Open Media Library Platform

Linux/lib/python2.7/site-packages/twisted/trial/test/__init__.py

@@ -0,0 +1,6 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Unit tests for the Trial unit-testing framework.
+"""

Linux/lib/python2.7/site-packages/twisted/trial/test/detests.py

@@ -0,0 +1,203 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for Deferred handling by L{twisted.trial.unittest.TestCase}.
+"""
+
+from __future__ import division, absolute_import
+
+from twisted.trial import unittest
+from twisted.internet import defer, threads, reactor
+
+
+class DeferredSetUpOK(unittest.TestCase):
+    def setUp(self):
+        d = defer.succeed('value')
+        d.addCallback(self._cb_setUpCalled)
+        return d
+
+    def _cb_setUpCalled(self, ignored):
+        self._setUpCalled = True
+
+    def test_ok(self):
+        self.failUnless(self._setUpCalled)
+
+
+class DeferredSetUpFail(unittest.TestCase):
+    testCalled = False
+
+    def setUp(self):
+        return defer.fail(unittest.FailTest('i fail'))
+
+    def test_ok(self):
+        DeferredSetUpFail.testCalled = True
+        self.fail("I should not get called")
+
+
+class DeferredSetUpCallbackFail(unittest.TestCase):
+    testCalled = False
+
+    def setUp(self):
+        d = defer.succeed('value')
+        d.addCallback(self._cb_setUpCalled)
+        return d
+
+    def _cb_setUpCalled(self, ignored):
+        self.fail('deliberate failure')
+
+    def test_ok(self):
+        DeferredSetUpCallbackFail.testCalled = True
+
+
+class DeferredSetUpError(unittest.TestCase):
+    testCalled = False
+
+    def setUp(self):
+        return defer.fail(RuntimeError('deliberate error'))
+
+    def test_ok(self):
+        DeferredSetUpError.testCalled = True
+
+
+class DeferredSetUpNeverFire(unittest.TestCase):
+    testCalled = False
+
+    def setUp(self):
+        return defer.Deferred()
+
+    def test_ok(self):
+        DeferredSetUpNeverFire.testCalled = True
+
+
+class DeferredSetUpSkip(unittest.TestCase):
+    testCalled = False
+
+    def setUp(self):
+        d = defer.succeed('value')
+        d.addCallback(self._cb1)
+        return d
+
+    def _cb1(self, ignored):
+        raise unittest.SkipTest("skip me")
+
+    def test_ok(self):
+        DeferredSetUpSkip.testCalled = True
+
+
+class DeferredTests(unittest.TestCase):
+    touched = False
+
+    def _cb_fail(self, reason):
+        self.fail(reason)
+
+    def _cb_error(self, reason):
+        raise RuntimeError(reason)
+
+    def _cb_skip(self, reason):
+        raise unittest.SkipTest(reason)
+
+    def _touchClass(self, ignored):
+        self.__class__.touched = True
+
+    def setUp(self):
+        self.__class__.touched = False
+
+    def test_pass(self):
+        return defer.succeed('success')
+
+    def test_passGenerated(self):
+        self._touchClass(None)
+        yield None
+    test_passGenerated = defer.deferredGenerator(test_passGenerated)
+
+    def test_fail(self):
+        return defer.fail(self.failureException('I fail'))
+
+    def test_failureInCallback(self):
+        d = defer.succeed('fail')
+        d.addCallback(self._cb_fail)
+        return d
+
+    def test_errorInCallback(self):
+        d = defer.succeed('error')
+        d.addCallback(self._cb_error)
+        return d
+
+    def test_skip(self):
+        d = defer.succeed('skip')
+        d.addCallback(self._cb_skip)
+        d.addCallback(self._touchClass)
+        return d
+
+    def test_thread(self):
+        return threads.deferToThread(lambda : None)
+
+    def test_expectedFailure(self):
+        d = defer.succeed('todo')
+        d.addCallback(self._cb_error)
+        return d
+    test_expectedFailure.todo = "Expected failure"
+
+
+class TimeoutTests(unittest.TestCase):
+    timedOut = None
+
+    def test_pass(self):
+        d = defer.Deferred()
+        reactor.callLater(0, d.callback, 'hoorj!')
+        return d
+    test_pass.timeout = 2
+
+    def test_passDefault(self):
+        # test default timeout
+        d = defer.Deferred()
+        reactor.callLater(0, d.callback, 'hoorj!')
+        return d
+
+    def test_timeout(self):
+        return defer.Deferred()
+    test_timeout.timeout = 0.1
+
+    def test_timeoutZero(self):
+        return defer.Deferred()
+    test_timeoutZero.timeout = 0
+
+    def test_expectedFailure(self):
+        return defer.Deferred()
+    test_expectedFailure.timeout = 0.1
+    test_expectedFailure.todo = "i will get it right, eventually"
+
+    def test_skip(self):
+        return defer.Deferred()
+    test_skip.timeout = 0.1
+    test_skip.skip = "i will get it right, eventually"
+
+    def test_errorPropagation(self):
+        def timedOut(err):
+            self.__class__.timedOut = err
+            return err
+        d = defer.Deferred()
+        d.addErrback(timedOut)
+        return d
+    test_errorPropagation.timeout = 0.1
+
+    def test_calledButNeverCallback(self):
+        d = defer.Deferred()
+        def neverFire(r):
+            return defer.Deferred()
+        d.addCallback(neverFire)
+        d.callback(1)
+        return d
+    test_calledButNeverCallback.timeout = 0.1
+
+
+class TestClassTimeoutAttribute(unittest.TestCase):
+    timeout = 0.2
+
+    def setUp(self):
+        self.d = defer.Deferred()
+
+    def testMethod(self):
+        self.methodCalled = True
+        return self.d

Linux/lib/python2.7/site-packages/twisted/trial/test/erroneous.py

@@ -0,0 +1,188 @@
+# -*- test-case-name: twisted.trial.test.test_tests -*-
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Definitions of test cases with various interesting error-related behaviors, to
+be used by test modules to exercise different features of trial's test runner.
+
+See the L{twisted.trial.test.test_tests} module docstring for details about how
+this code is arranged.
+"""
+
+from __future__ import division, absolute_import
+
+from twisted.trial import unittest, util
+from twisted.internet import reactor, protocol, defer
+
+
+class FoolishError(Exception):
+    pass
+
+
+
+class FailureInSetUpMixin(object):
+    def setUp(self):
+        raise FoolishError("I am a broken setUp method")
+
+    def test_noop(self):
+        pass
+
+
+
+class SynchronousTestFailureInSetUp(
+    FailureInSetUpMixin, unittest.SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTestFailureInSetUp(
+    FailureInSetUpMixin, unittest.TestCase):
+    pass
+
+
+
+class FailureInTearDownMixin(object):
+    def tearDown(self):
+        raise FoolishError("I am a broken tearDown method")
+
+    def test_noop(self):
+        pass
+
+
+
+class SynchronousTestFailureInTearDown(
+    FailureInTearDownMixin, unittest.SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTestFailureInTearDown(
+    FailureInTearDownMixin, unittest.TestCase):
+    pass
+
+
+
+class TestRegularFail(unittest.SynchronousTestCase):
+
+    def test_fail(self):
+        self.fail("I fail")
+
+
+    def test_subfail(self):
+        self.subroutine()
+
+
+    def subroutine(self):
+        self.fail("I fail inside")
+
+
+
+class TestAsynchronousFail(unittest.TestCase):
+    """
+    Test failures for L{unittest.TestCase} based classes.
+    """
+
+    def test_fail(self):
+        """
+        A test which fails in the callback of the returned L{defer.Deferred}.
+        """
+        d = defer.Deferred()
+        d.addCallback(self._later)
+        reactor.callLater(0, d.callback, None)
+        return d
+
+
+    def _later(self, res):
+        self.fail("I fail later")
+
+
+    def test_exception(self):
+        """
+        A test which raises an exception synchronously.
+        """
+        raise Exception("I fail")
+
+
+
+class ErrorTest(unittest.SynchronousTestCase):
+    """
+    A test case which has a L{test_foo} which will raise an error.
+
+    @ivar ran: boolean indicating whether L{test_foo} has been run.
+    """
+    ran = False
+
+    def test_foo(self):
+        """
+        Set C{self.ran} to True and raise a C{ZeroDivisionError}
+        """
+        self.ran = True
+        1/0
+
+
+
+class TestSkipTestCase(unittest.SynchronousTestCase):
+    pass
+
+TestSkipTestCase.skip = "skipping this test"
+
+
+class DelayedCall(unittest.TestCase):
+    hiddenExceptionMsg = "something blew up"
+
+    def go(self):
+        raise RuntimeError(self.hiddenExceptionMsg)
+
+    def testHiddenException(self):
+        """
+        What happens if an error is raised in a DelayedCall and an error is
+        also raised in the test?
+
+        L{test_reporter.TestErrorReporting.testHiddenException} checks that
+        both errors get reported.
+
+        Note that this behaviour is deprecated. A B{real} test would return a
+        Deferred that got triggered by the callLater. This would guarantee the
+        delayed call error gets reported.
+        """
+        reactor.callLater(0, self.go)
+        reactor.iterate(0.01)
+        self.fail("Deliberate failure to mask the hidden exception")
+    testHiddenException.suppress = [util.suppress(
+        message=r'reactor\.iterate cannot be used.*',
+        category=DeprecationWarning)]
+
+
+class ReactorCleanupTests(unittest.TestCase):
+    def test_leftoverPendingCalls(self):
+        def _():
+            print('foo!')
+        reactor.callLater(10000.0, _)
+
+class SocketOpenTest(unittest.TestCase):
+    def test_socketsLeftOpen(self):
+        f = protocol.Factory()
+        f.protocol = protocol.Protocol
+        reactor.listenTCP(0, f)
+
+class TimingOutDeferred(unittest.TestCase):
+    def test_alpha(self):
+        pass
+
+    def test_deferredThatNeverFires(self):
+        self.methodCalled = True
+        d = defer.Deferred()
+        return d
+
+    def test_omega(self):
+        pass
+
+
+def unexpectedException(self):
+    """i will raise an unexpected exception...
+    ... *CAUSE THAT'S THE KINDA GUY I AM*
+
+    >>> 1/0
+    """
+

Linux/lib/python2.7/site-packages/twisted/trial/test/mockcustomsuite.py

@@ -0,0 +1,21 @@
+# Copyright (c) 2006 Twisted Matrix Laboratories. See LICENSE for details
+
+"""
+Mock test module that contains a C{test_suite} method. L{runner.TestLoader}
+should load the tests from the C{test_suite}, not from the C{Foo} C{TestCase}.
+
+See {twisted.trial.test.test_loader.LoaderTest.test_loadModuleWith_test_suite}.
+"""
+
+
+from twisted.trial import unittest, runner
+
+class Foo(unittest.SynchronousTestCase):
+    def test_foo(self):
+        pass
+
+
+def test_suite():
+    ts = runner.TestSuite()
+    ts.name = "MyCustomSuite"
+    return ts

Linux/lib/python2.7/site-packages/twisted/trial/test/mockcustomsuite2.py

@@ -0,0 +1,21 @@
+# Copyright (c) 2006 Twisted Matrix Laboratories. See LICENSE for details
+
+"""
+Mock test module that contains a C{testSuite} method. L{runner.TestLoader}
+should load the tests from the C{testSuite}, not from the C{Foo} C{TestCase}.
+
+See L{twisted.trial.test.test_loader.LoaderTest.test_loadModuleWith_testSuite}.
+"""
+
+
+from twisted.trial import unittest, runner
+
+class Foo(unittest.SynchronousTestCase):
+    def test_foo(self):
+        pass
+
+
+def testSuite():
+    ts = runner.TestSuite()
+    ts.name = "MyCustomSuite"
+    return ts

Linux/lib/python2.7/site-packages/twisted/trial/test/mockcustomsuite3.py

@@ -0,0 +1,28 @@
+# Copyright (c) 2006 Twisted Matrix Laboratories. See LICENSE for details
+
+"""
+Mock test module that contains both a C{test_suite} and a C{testSuite} method.
+L{runner.TestLoader} should load the tests from the C{testSuite}, not from the
+C{Foo} C{TestCase} nor from the C{test_suite} method.
+
+See {twisted.trial.test.test_loader.LoaderTest.test_loadModuleWithBothCustom}.
+"""
+
+
+from twisted.trial import unittest, runner
+
+class Foo(unittest.SynchronousTestCase):
+    def test_foo(self):
+        pass
+
+
+def test_suite():
+    ts = runner.TestSuite()
+    ts.name = "test_suite"
+    return ts
+
+
+def testSuite():
+    ts = runner.TestSuite()
+    ts.name = "testSuite"
+    return ts

Linux/lib/python2.7/site-packages/twisted/trial/test/mockdoctest.py

@@ -0,0 +1,104 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+# this module is a trivial class with doctests to test trial's doctest
+# support.
+from __future__ import division, absolute_import
+
+class Counter(object):
+    """a simple counter object for testing trial's doctest support
+
+         >>> c = Counter()
+         >>> c.value()
+         0
+         >>> c += 3
+         >>> c.value()
+         3
+         >>> c.incr()
+         >>> c.value() == 4
+         True
+         >>> c == 4
+         True
+         >>> c != 9
+         True
+
+    """
+    _count = 0
+
+    def __init__(self, initialValue=0, maxval=None):
+        self._count = initialValue
+        self.maxval = maxval
+
+    def __iadd__(self, other):
+        """add other to my value and return self
+
+             >>> c = Counter(100)
+             >>> c += 333
+             >>> c == 433
+             True
+        """
+        if self.maxval is not None and ((self._count + other) > self.maxval):
+            raise ValueError, "sorry, counter got too big"
+        else:
+            self._count += other
+        return self
+
+    def __eq__(self, other):
+        """equality operator, compare other to my value()
+           
+           >>> c = Counter()
+           >>> c == 0
+           True
+           >>> c += 10
+           >>> c.incr()
+           >>> c == 10   # fail this test on purpose
+           True
+
+        """
+        return self._count == other
+
+    def __ne__(self, other):
+        """inequality operator
+
+             >>> c = Counter()
+             >>> c != 10
+             True
+        """
+        return not self.__eq__(other)
+
+    def incr(self):
+        """increment my value by 1
+
+             >>> from twisted.trial.test.mockdoctest import Counter
+             >>> c = Counter(10, 11)
+             >>> c.incr()
+             >>> c.value() == 11
+             True
+             >>> c.incr()
+             Traceback (most recent call last):
+               File "<stdin>", line 1, in ?
+               File "twisted/trial/test/mockdoctest.py", line 51, in incr
+                 self.__iadd__(1)
+               File "twisted/trial/test/mockdoctest.py", line 39, in __iadd__
+                 raise ValueError, "sorry, counter got too big"
+             ValueError: sorry, counter got too big
+        """
+        self.__iadd__(1)
+
+    def value(self):
+        """return this counter's value
+
+             >>> c = Counter(555)
+             >>> c.value() == 555
+             True
+        """
+        return self._count
+
+    def unexpectedException(self):
+        """i will raise an unexpected exception...
+        ... *CAUSE THAT'S THE KINDA GUY I AM*
+            
+              >>> 1/0
+        """
+
+

Linux/lib/python2.7/site-packages/twisted/trial/test/moduleself.py

@@ -0,0 +1,7 @@
+# -*- test-case-name: twisted.trial.test.moduleself -*-
+from twisted.trial import unittest
+
+class Foo(unittest.SynchronousTestCase):
+
+    def testFoo(self):
+        pass

Linux/lib/python2.7/site-packages/twisted/trial/test/moduletest.py

@@ -0,0 +1,11 @@
+# -*- test-case-name: twisted.trial.test.test_log -*-
+
+# fodder for test_script, which parses files for emacs local variable
+# declarations.  This one is supposed to have:
+#    test-case-name: twisted.trial.test.test_log.
+# in the first line
+# The class declaration is irrelevant
+
+class Foo(object):
+    pass
+

Linux/lib/python2.7/site-packages/twisted/trial/test/novars.py

@@ -0,0 +1,6 @@
+# fodder for test_script, which parses files for emacs local variable
+# declarations.  This one is supposed to have none.
+# The class declaration is irrelevant
+
+class Bar(object):
+    pass

Linux/lib/python2.7/site-packages/twisted/trial/test/ordertests.py

@@ -0,0 +1,50 @@
+# -*- test-case-name: twisted.trial.test.test_script -*-
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for handling of trial's --order option.
+"""
+
+from twisted.trial import unittest
+
+
+class FooTest(unittest.TestCase):
+    """
+    Used to make assertions about the order its tests will be run in.
+    """
+
+    def test_first(self):
+        pass
+
+
+    def test_second(self):
+        pass
+
+
+    def test_third(self):
+        pass
+
+
+    def test_fourth(self):
+        pass
+
+
+
+class BazTest(unittest.TestCase):
+    """
+    Used to make assertions about the order the test cases in this module are
+    run in.
+    """
+    def test_baz(self):
+        pass
+
+
+
+class BarTest(unittest.TestCase):
+    """
+    Used to make assertions about the order the test cases in this module are
+    run in.
+    """
+    def test_bar(self):
+        pass

Linux/lib/python2.7/site-packages/twisted/trial/test/packages.py

@@ -0,0 +1,181 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+#
+
+"""
+Classes and functions used by L{twisted.trial.test.test_util}
+and L{twisted.trial.test.test_loader}.
+"""
+
+from __future__ import division, absolute_import
+
+import sys, os
+from twisted.trial import unittest
+
+testModule = """
+from twisted.trial import unittest
+
+class FooTest(unittest.SynchronousTestCase):
+    def testFoo(self):
+        pass
+"""
+
+dosModule = testModule.replace('\n', '\r\n')
+
+
+testSample = """
+'''This module is used by test_loader to test the Trial test loading
+functionality. Do NOT change the number of tests in this module.
+Do NOT change the names the tests in this module.
+'''
+
+import unittest as pyunit
+from twisted.trial import unittest
+
+class FooTest(unittest.SynchronousTestCase):
+    def test_foo(self):
+        pass
+
+    def test_bar(self):
+        pass
+
+
+class PyunitTest(pyunit.TestCase):
+    def test_foo(self):
+        pass
+
+    def test_bar(self):
+        pass
+
+
+class NotATest(object):
+    def test_foo(self):
+        pass
+
+
+class AlphabetTest(unittest.SynchronousTestCase):
+    def test_a(self):
+        pass
+
+    def test_b(self):
+        pass
+
+    def test_c(self):
+        pass
+"""
+
+testInheritanceSample = """
+'''This module is used by test_loader to test the Trial test loading
+functionality. Do NOT change the number of tests in this module.
+Do NOT change the names the tests in this module.
+'''
+
+from twisted.trial import unittest
+
+class X(object):
+
+    def test_foo(self):
+        pass
+
+class A(unittest.SynchronousTestCase, X):
+    pass
+
+class B(unittest.SynchronousTestCase, X):
+    pass
+
+"""
+
+class PackageTest(unittest.SynchronousTestCase):
+    files = [
+        ('badpackage/__init__.py', 'frotz\n'),
+        ('badpackage/test_module.py', ''),
+        ('package2/__init__.py', ''),
+        ('package2/test_module.py', 'import frotz\n'),
+        ('package/__init__.py', ''),
+        ('package/frotz.py', 'frotz\n'),
+        ('package/test_bad_module.py',
+         'raise ZeroDivisionError("fake error")'),
+        ('package/test_dos_module.py', dosModule),
+        ('package/test_import_module.py', 'import frotz'),
+        ('package/test_module.py', testModule),
+        ('goodpackage/__init__.py', ''),
+        ('goodpackage/test_sample.py', testSample),
+        ('goodpackage/sub/__init__.py', ''),
+        ('goodpackage/sub/test_sample.py', testSample),
+        ('inheritancepackage/__init__.py', ''),
+        ('inheritancepackage/test_x.py', testInheritanceSample),
+        ]
+
+
+    def _toModuleName(self, filename):
+        name = os.path.splitext(filename)[0]
+        segs = name.split('/')
+        if segs[-1] == '__init__':
+            segs = segs[:-1]
+        return '.'.join(segs)
+
+
+    def getModules(self):
+        """
+        Return matching module names for files listed in C{self.files}.
+        """
+        return [self._toModuleName(filename) for (filename, code) in self.files]
+
+
+    def cleanUpModules(self):
+        modules = self.getModules()
+        modules.sort()
+        modules.reverse()
+        for module in modules:
+            try:
+                del sys.modules[module]
+            except KeyError:
+                pass
+
+
+    def createFiles(self, files, parentDir='.'):
+        for filename, contents in self.files:
+            filename = os.path.join(parentDir, filename)
+            self._createDirectory(filename)
+            fd = open(filename, 'w')
+            fd.write(contents)
+            fd.close()
+
+
+    def _createDirectory(self, filename):
+        directory = os.path.dirname(filename)
+        if not os.path.exists(directory):
+            os.makedirs(directory)
+
+
+    def setUp(self, parentDir=None):
+        if parentDir is None:
+            parentDir = self.mktemp()
+        self.parent = parentDir
+        self.createFiles(self.files, parentDir)
+
+
+    def tearDown(self):
+        self.cleanUpModules()
+
+
+
+class SysPathManglingTest(PackageTest):
+    def setUp(self, parent=None):
+        self.oldPath = sys.path[:]
+        self.newPath = sys.path[:]
+        if parent is None:
+            parent = self.mktemp()
+        PackageTest.setUp(self, parent)
+        self.newPath.append(self.parent)
+        self.mangleSysPath(self.newPath)
+
+
+    def tearDown(self):
+        PackageTest.tearDown(self)
+        self.mangleSysPath(self.oldPath)
+
+
+    def mangleSysPath(self, pathVar):
+        sys.path[:] = pathVar
+

Linux/lib/python2.7/site-packages/twisted/trial/test/sample.py

@@ -0,0 +1,108 @@
+"""This module is used by test_loader to test the Trial test loading
+functionality. Do NOT change the number of tests in this module.  Do NOT change
+the names the tests in this module.
+"""
+
+import unittest as pyunit
+from twisted.trial import unittest
+from twisted.python.util import mergeFunctionMetadata
+
+
+
+class FooTest(unittest.SynchronousTestCase):
+
+
+    def test_foo(self):
+        pass
+
+
+    def test_bar(self):
+        pass
+
+
+
+def badDecorator(fn):
+    """
+    Decorate a function without preserving the name of the original function.
+    Always return a function with the same name.
+    """
+    def nameCollision(*args, **kwargs):
+        return fn(*args, **kwargs)
+    return nameCollision
+
+
+
+def goodDecorator(fn):
+    """
+    Decorate a function and preserve the original name.
+    """
+    def nameCollision(*args, **kwargs):
+        return fn(*args, **kwargs)
+    return mergeFunctionMetadata(fn, nameCollision)
+
+
+
+class DecorationTest(unittest.SynchronousTestCase):
+    def test_badDecorator(self):
+        """
+        This test method is decorated in a way that gives it a confusing name
+        that collides with another method.
+        """
+    test_badDecorator = badDecorator(test_badDecorator)
+
+
+    def test_goodDecorator(self):
+        """
+        This test method is decorated in a way that preserves its name.
+        """
+    test_goodDecorator = goodDecorator(test_goodDecorator)
+
+
+    def renamedDecorator(self):
+        """
+        This is secretly a test method and will be decorated and then renamed so
+        test discovery can find it.
+        """
+    test_renamedDecorator = goodDecorator(renamedDecorator)
+
+
+    def nameCollision(self):
+        """
+        This isn't a test, it's just here to collide with tests.
+        """
+
+
+
+class PyunitTest(pyunit.TestCase):
+
+
+    def test_foo(self):
+        pass
+
+
+    def test_bar(self):
+        pass
+
+
+
+class NotATest(object):
+
+
+    def test_foo(self):
+        pass
+
+
+
+class AlphabetTest(unittest.SynchronousTestCase):
+
+
+    def test_a(self):
+        pass
+
+
+    def test_b(self):
+        pass
+
+
+    def test_c(self):
+        pass

Linux/lib/python2.7/site-packages/twisted/trial/test/scripttest.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+# -*- test-case-name: twisted.trial.test.test_log,twisted.trial.test.test_class -*-
+
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+# fodder for test_script, which parses files for emacs local variable
+# declarations.  This one is supposed to have:
+#    test-case-name: twisted.trial.test.test_log,twisted.trial.test.test_class
+# in the second line
+# The class declaration is irrelevant
+
+class Foo(object):
+    pass

Linux/lib/python2.7/site-packages/twisted/trial/test/skipping.py

@@ -0,0 +1,270 @@
+# -*- test-case-name: twisted.trial.test.test_tests -*-
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Definitions of test cases with various interesting behaviors, to be used by
+L{twisted.trial.test.test_tests} and other test modules to exercise different
+features of trial's test runner.
+
+See the L{twisted.trial.test.test_tests} module docstring for details about how
+this code is arranged.
+"""
+
+from __future__ import division, absolute_import
+
+from twisted.trial.unittest import (
+    SynchronousTestCase, TestCase, SkipTest, FailTest)
+
+
+class SkippingMixin(object):
+    def test_skip1(self):
+        raise SkipTest('skip1')
+
+    def test_skip2(self):
+        raise RuntimeError("I should not get raised")
+    test_skip2.skip = 'skip2'
+
+    def test_skip3(self):
+        self.fail('I should not fail')
+    test_skip3.skip = 'skip3'
+
+
+
+class SynchronousSkipping(SkippingMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousSkipping(SkippingMixin, TestCase):
+    pass
+
+
+
+class SkippingSetUpMixin(object):
+    def setUp(self):
+        raise SkipTest('skipSetUp')
+
+    def test_1(self):
+        pass
+
+    def test_2(self):
+        pass
+
+
+class SynchronousSkippingSetUp(SkippingSetUpMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousSkippingSetUp(SkippingSetUpMixin, TestCase):
+    pass
+
+
+
+class DeprecatedReasonlessSkipMixin(object):
+    def test_1(self):
+        raise SkipTest()
+
+
+
+class SynchronousDeprecatedReasonlessSkip(
+    DeprecatedReasonlessSkipMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousDeprecatedReasonlessSkip(
+    DeprecatedReasonlessSkipMixin, TestCase):
+    pass
+
+
+
+class SkippedClassMixin(object):
+    skip = 'class'
+    def setUp(self):
+        self.__class__._setUpRan = True
+    def test_skip1(self):
+        raise SkipTest('skip1')
+    def test_skip2(self):
+        raise RuntimeError("Ought to skip me")
+    test_skip2.skip = 'skip2'
+    def test_skip3(self):
+        pass
+    def test_skip4(self):
+        raise RuntimeError("Skip me too")
+
+
+
+class SynchronousSkippedClass(SkippedClassMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousSkippedClass(SkippedClassMixin, TestCase):
+    pass
+
+
+
+class TodoMixin(object):
+    def test_todo1(self):
+        self.fail("deliberate failure")
+    test_todo1.todo = "todo1"
+
+    def test_todo2(self):
+        raise RuntimeError("deliberate error")
+    test_todo2.todo = "todo2"
+
+    def test_todo3(self):
+        """unexpected success"""
+    test_todo3.todo = 'todo3'
+
+
+
+
+class SynchronousTodo(TodoMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTodo(TodoMixin, TestCase):
+    pass
+
+
+
+class SetUpTodoMixin(object):
+    def setUp(self):
+        raise RuntimeError("deliberate error")
+
+    def test_todo1(self):
+        pass
+    test_todo1.todo = "setUp todo1"
+
+
+
+class SynchronousSetUpTodo(SetUpTodoMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousSetUpTodo(SetUpTodoMixin, TestCase):
+    pass
+
+
+
+class TearDownTodoMixin(object):
+    def tearDown(self):
+        raise RuntimeError("deliberate error")
+
+    def test_todo1(self):
+        pass
+    test_todo1.todo = "tearDown todo1"
+
+
+
+class SynchronousTearDownTodo(TearDownTodoMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTearDownTodo(TearDownTodoMixin, TestCase):
+    pass
+
+
+
+class TodoClassMixin(object):
+    todo = "class"
+    def test_todo1(self):
+        pass
+    test_todo1.todo = "method"
+    def test_todo2(self):
+        pass
+    def test_todo3(self):
+        self.fail("Deliberate Failure")
+    test_todo3.todo = "method"
+    def test_todo4(self):
+        self.fail("Deliberate Failure")
+
+
+
+class SynchronousTodoClass(TodoClassMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTodoClass(TodoClassMixin, TestCase):
+    pass
+
+
+
+class StrictTodoMixin(object):
+    def test_todo1(self):
+        raise RuntimeError("expected failure")
+    test_todo1.todo = (RuntimeError, "todo1")
+
+    def test_todo2(self):
+        raise RuntimeError("expected failure")
+    test_todo2.todo = ((RuntimeError, OSError), "todo2")
+
+    def test_todo3(self):
+        raise RuntimeError("we had no idea!")
+    test_todo3.todo = (OSError, "todo3")
+
+    def test_todo4(self):
+        raise RuntimeError("we had no idea!")
+    test_todo4.todo = ((OSError, SyntaxError), "todo4")
+
+    def test_todo5(self):
+        self.fail("deliberate failure")
+    test_todo5.todo = (FailTest, "todo5")
+
+    def test_todo6(self):
+        self.fail("deliberate failure")
+    test_todo6.todo = (RuntimeError, "todo6")
+
+    def test_todo7(self):
+        pass
+    test_todo7.todo = (RuntimeError, "todo7")
+
+
+
+class SynchronousStrictTodo(StrictTodoMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousStrictTodo(StrictTodoMixin, TestCase):
+    pass
+
+
+
+class AddCleanupMixin(object):
+    def setUp(self):
+        self.log = ['setUp']
+
+    def brokenSetUp(self):
+        self.log = ['setUp']
+        raise RuntimeError("Deliberate failure")
+
+    def skippingSetUp(self):
+        self.log = ['setUp']
+        raise SkipTest("Don't do this")
+
+    def append(self, thing):
+        self.log.append(thing)
+
+    def tearDown(self):
+        self.log.append('tearDown')
+
+    def runTest(self):
+        self.log.append('runTest')
+
+
+
+class SynchronousAddCleanup(AddCleanupMixin, SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousAddCleanup(AddCleanupMixin, TestCase):
+    pass

Linux/lib/python2.7/site-packages/twisted/trial/test/suppression.py

@@ -0,0 +1,115 @@
+# -*- test-case-name: twisted.trial.test.test_tests -*-
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Test cases used to make sure that warning supression works at the module,
+method, and class levels.
+
+See the L{twisted.trial.test.test_tests} module docstring for details about how
+this code is arranged.
+"""
+
+from __future__ import division, absolute_import
+
+import warnings
+
+from twisted.python.compat import _PY3
+from twisted.trial import unittest, util
+
+
+
+METHOD_WARNING_MSG = "method warning message"
+CLASS_WARNING_MSG = "class warning message"
+MODULE_WARNING_MSG = "module warning message"
+
+class MethodWarning(Warning):
+    pass
+
+class ClassWarning(Warning):
+    pass
+
+class ModuleWarning(Warning):
+    pass
+
+class EmitMixin:
+    def _emit(self):
+        warnings.warn(METHOD_WARNING_MSG, MethodWarning)
+        warnings.warn(CLASS_WARNING_MSG, ClassWarning)
+        warnings.warn(MODULE_WARNING_MSG, ModuleWarning)
+
+
+class SuppressionMixin(EmitMixin):
+    suppress = [util.suppress(message=CLASS_WARNING_MSG)]
+
+    def testSuppressMethod(self):
+        self._emit()
+    testSuppressMethod.suppress = [util.suppress(message=METHOD_WARNING_MSG)]
+
+    def testSuppressClass(self):
+        self._emit()
+
+    def testOverrideSuppressClass(self):
+        self._emit()
+    testOverrideSuppressClass.suppress = []
+
+
+
+class SetUpSuppressionMixin(object):
+    def setUp(self):
+        self._emit()
+
+
+
+class TearDownSuppressionMixin(object):
+    def tearDown(self):
+        self._emit()
+
+
+
+class TestSuppression2Mixin(EmitMixin):
+    def testSuppressModule(self):
+        self._emit()
+
+
+
+suppress = [util.suppress(message=MODULE_WARNING_MSG)]
+
+
+class SynchronousTestSuppression(SuppressionMixin, unittest.SynchronousTestCase):
+    pass
+
+
+
+class SynchronousTestSetUpSuppression(SetUpSuppressionMixin, SynchronousTestSuppression):
+    pass
+
+
+
+class SynchronousTestTearDownSuppression(TearDownSuppressionMixin, SynchronousTestSuppression):
+    pass
+
+
+
+class SynchronousTestSuppression2(TestSuppression2Mixin, unittest.SynchronousTestCase):
+    pass
+
+
+
+class AsynchronousTestSuppression(SuppressionMixin, unittest.TestCase):
+    pass
+
+
+
+class AsynchronousTestSetUpSuppression(SetUpSuppressionMixin, AsynchronousTestSuppression):
+    pass
+
+
+
+class AsynchronousTestTearDownSuppression(TearDownSuppressionMixin, AsynchronousTestSuppression):
+    pass
+
+
+
+class AsynchronousTestSuppression2(TestSuppression2Mixin, unittest.TestCase):
+    pass

Linux/lib/python2.7/site-packages/twisted/trial/test/test_asyncassertions.py

@@ -0,0 +1,83 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for async assertions provided by C{twisted.trial.unittest.TestCase}.
+"""
+
+from __future__ import division, absolute_import
+
+import unittest as pyunit
+
+from twisted.python import failure
+from twisted.internet import defer
+from twisted.trial import unittest
+
+
+class TestAsynchronousAssertions(unittest.TestCase):
+    """
+    Tests for L{TestCase}'s asynchronous extensions to L{SynchronousTestCase}.
+    That is, assertFailure.
+    """
+    def test_assertFailure(self):
+        d = defer.maybeDeferred(lambda: 1/0)
+        return self.assertFailure(d, ZeroDivisionError)
+
+
+    def test_assertFailure_wrongException(self):
+        d = defer.maybeDeferred(lambda: 1/0)
+        self.assertFailure(d, OverflowError)
+        d.addCallbacks(lambda x: self.fail('Should have failed'),
+                       lambda x: x.trap(self.failureException))
+        return d
+
+
+    def test_assertFailure_noException(self):
+        d = defer.succeed(None)
+        self.assertFailure(d, ZeroDivisionError)
+        d.addCallbacks(lambda x: self.fail('Should have failed'),
+                       lambda x: x.trap(self.failureException))
+        return d
+
+
+    def test_assertFailure_moreInfo(self):
+        """
+        In the case of assertFailure failing, check that we get lots of
+        information about the exception that was raised.
+        """
+        try:
+            1/0
+        except ZeroDivisionError:
+            f = failure.Failure()
+            d = defer.fail(f)
+        d = self.assertFailure(d, RuntimeError)
+        d.addErrback(self._checkInfo, f)
+        return d
+
+
+    def _checkInfo(self, assertionFailure, f):
+        assert assertionFailure.check(self.failureException)
+        output = assertionFailure.getErrorMessage()
+        self.assertIn(f.getErrorMessage(), output)
+        self.assertIn(f.getBriefTraceback(), output)
+
+
+    def test_assertFailure_masked(self):
+        """
+        A single wrong assertFailure should fail the whole test.
+        """
+        class ExampleFailure(Exception):
+            pass
+
+        class TC(unittest.TestCase):
+            failureException = ExampleFailure
+            def test_assertFailure(self):
+                d = defer.maybeDeferred(lambda: 1/0)
+                self.assertFailure(d, OverflowError)
+                self.assertFailure(d, ZeroDivisionError)
+                return d
+
+        test = TC('test_assertFailure')
+        result = pyunit.TestResult()
+        test.run(result)
+        self.assertEqual(1, len(result.failures))

Linux/lib/python2.7/site-packages/twisted/trial/test/test_deferred.py

@@ -0,0 +1,236 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for returning Deferreds from a TestCase.
+"""
+
+from __future__ import division, absolute_import
+
+import unittest as pyunit
+
+from twisted.internet import defer
+from twisted.trial import unittest, reporter
+from twisted.trial import util
+from twisted.trial.test import detests
+
+
+class TestSetUp(unittest.TestCase):
+    def _loadSuite(self, klass):
+        loader = pyunit.TestLoader()
+        r = reporter.TestResult()
+        s = loader.loadTestsFromTestCase(klass)
+        return r, s
+
+    def test_success(self):
+        result, suite = self._loadSuite(detests.DeferredSetUpOK)
+        suite(result)
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+
+    def test_fail(self):
+        self.failIf(detests.DeferredSetUpFail.testCalled)
+        result, suite = self._loadSuite(detests.DeferredSetUpFail)
+        suite(result)
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.errors), 1)
+        self.failIf(detests.DeferredSetUpFail.testCalled)
+
+    def test_callbackFail(self):
+        self.failIf(detests.DeferredSetUpCallbackFail.testCalled)
+        result, suite = self._loadSuite(detests.DeferredSetUpCallbackFail)
+        suite(result)
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.errors), 1)
+        self.failIf(detests.DeferredSetUpCallbackFail.testCalled)
+
+    def test_error(self):
+        self.failIf(detests.DeferredSetUpError.testCalled)
+        result, suite = self._loadSuite(detests.DeferredSetUpError)
+        suite(result)
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.errors), 1)
+        self.failIf(detests.DeferredSetUpError.testCalled)
+
+    def test_skip(self):
+        self.failIf(detests.DeferredSetUpSkip.testCalled)
+        result, suite = self._loadSuite(detests.DeferredSetUpSkip)
+        suite(result)
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.errors), 0)
+        self.assertEqual(len(result.skips), 1)
+        self.failIf(detests.DeferredSetUpSkip.testCalled)
+
+
+class TestNeverFire(unittest.TestCase):
+    def setUp(self):
+        self._oldTimeout = util.DEFAULT_TIMEOUT_DURATION
+        util.DEFAULT_TIMEOUT_DURATION = 0.1
+
+    def tearDown(self):
+        util.DEFAULT_TIMEOUT_DURATION = self._oldTimeout
+
+    def _loadSuite(self, klass):
+        loader = pyunit.TestLoader()
+        r = reporter.TestResult()
+        s = loader.loadTestsFromTestCase(klass)
+        return r, s
+
+    def test_setUp(self):
+        self.failIf(detests.DeferredSetUpNeverFire.testCalled)
+        result, suite = self._loadSuite(detests.DeferredSetUpNeverFire)
+        suite(result)
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.errors), 1)
+        self.failIf(detests.DeferredSetUpNeverFire.testCalled)
+        self.failUnless(result.errors[0][1].check(defer.TimeoutError))
+
+
+class TestTester(unittest.TestCase):
+    def getTest(self, name):
+        raise NotImplementedError("must override me")
+
+    def runTest(self, name):
+        result = reporter.TestResult()
+        self.getTest(name).run(result)
+        return result
+
+
+class TestDeferred(TestTester):
+    def getTest(self, name):
+        return detests.DeferredTests(name)
+
+    def test_pass(self):
+        result = self.runTest('test_pass')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+
+    def test_passGenerated(self):
+        result = self.runTest('test_passGenerated')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.failUnless(detests.DeferredTests.touched)
+
+    def test_fail(self):
+        result = self.runTest('test_fail')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 1)
+
+    def test_failureInCallback(self):
+        result = self.runTest('test_failureInCallback')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 1)
+
+    def test_errorInCallback(self):
+        result = self.runTest('test_errorInCallback')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.errors), 1)
+
+    def test_skip(self):
+        result = self.runTest('test_skip')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.skips), 1)
+        self.failIf(detests.DeferredTests.touched)
+
+    def test_todo(self):
+        result = self.runTest('test_expectedFailure')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.errors), 0)
+        self.assertEqual(len(result.failures), 0)
+        self.assertEqual(len(result.expectedFailures), 1)
+
+    def test_thread(self):
+        result = self.runTest('test_thread')
+        self.assertEqual(result.testsRun, 1)
+        self.failUnless(result.wasSuccessful(), result.errors)
+
+
+
+class TestTimeout(TestTester):
+    def getTest(self, name):
+        return detests.TimeoutTests(name)
+
+    def _wasTimeout(self, error):
+        self.assertEqual(error.check(defer.TimeoutError),
+                             defer.TimeoutError)
+
+    def test_pass(self):
+        result = self.runTest('test_pass')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+
+    def test_passDefault(self):
+        result = self.runTest('test_passDefault')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+
+    def test_timeout(self):
+        result = self.runTest('test_timeout')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.errors), 1)
+        self._wasTimeout(result.errors[0][1])
+
+    def test_timeoutZero(self):
+        result = self.runTest('test_timeoutZero')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.errors), 1)
+        self._wasTimeout(result.errors[0][1])
+
+    def test_skip(self):
+        result = self.runTest('test_skip')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.skips), 1)
+
+    def test_todo(self):
+        result = self.runTest('test_expectedFailure')
+        self.failUnless(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.expectedFailures), 1)
+        self._wasTimeout(result.expectedFailures[0][1])
+
+    def test_errorPropagation(self):
+        result = self.runTest('test_errorPropagation')
+        self.failIf(result.wasSuccessful())
+        self.assertEqual(result.testsRun, 1)
+        self._wasTimeout(detests.TimeoutTests.timedOut)
+
+    def test_classTimeout(self):
+        loader = pyunit.TestLoader()
+        suite = loader.loadTestsFromTestCase(detests.TestClassTimeoutAttribute)
+        result = reporter.TestResult()
+        suite.run(result)
+        self.assertEqual(len(result.errors), 1)
+        self._wasTimeout(result.errors[0][1])
+
+    def test_callbackReturnsNonCallingDeferred(self):
+        #hacky timeout
+        # raises KeyboardInterrupt because Trial sucks
+        from twisted.internet import reactor
+        call = reactor.callLater(2, reactor.crash)
+        result = self.runTest('test_calledButNeverCallback')
+        if call.active():
+            call.cancel()
+        self.failIf(result.wasSuccessful())
+        self._wasTimeout(result.errors[0][1])
+
+
+# The test loader erroneously attempts to run this:
+del TestTester

Linux/lib/python2.7/site-packages/twisted/trial/test/test_doctest.py

@@ -0,0 +1,62 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Test Twisted's doctest support.
+"""
+
+from twisted.trial import itrial, runner, unittest, reporter
+from twisted.trial.test import mockdoctest
+
+
+class TestRunners(unittest.SynchronousTestCase):
+    """
+    Tests for Twisted's doctest support.
+    """
+
+    def test_id(self):
+        """
+        Check that the id() of the doctests' case object contains the FQPN of
+        the actual tests.
+        """
+        loader = runner.TestLoader()
+        suite = loader.loadDoctests(mockdoctest)
+        idPrefix = 'twisted.trial.test.mockdoctest.Counter'
+        for test in suite._tests:
+            self.assertIn(idPrefix, itrial.ITestCase(test).id())
+
+
+    def test_basicTrialIntegration(self):
+        """
+        L{loadDoctests} loads all of the doctests in the given module.
+        """
+        loader = runner.TestLoader()
+        suite = loader.loadDoctests(mockdoctest)
+        self.assertEqual(7, suite.countTestCases())
+
+
+    def _testRun(self, suite):
+        """
+        Run C{suite} and check the result.
+        """
+        result = reporter.TestResult()
+        suite.run(result)
+        self.assertEqual(5, result.successes)
+        self.assertEqual(2, len(result.failures))
+
+
+    def test_expectedResults(self, count=1):
+        """
+        Trial can correctly run doctests with its xUnit test APIs.
+        """
+        suite = runner.TestLoader().loadDoctests(mockdoctest)
+        self._testRun(suite)
+
+
+    def test_repeatable(self):
+        """
+        Doctests should be runnable repeatably.
+        """
+        suite = runner.TestLoader().loadDoctests(mockdoctest)
+        self._testRun(suite)
+        self._testRun(suite)

Linux/lib/python2.7/site-packages/twisted/trial/test/test_keyboard.py

@@ -0,0 +1,119 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for interrupting tests with Control-C.
+"""
+
+import StringIO
+
+from twisted.trial import unittest
+from twisted.trial import reporter, runner
+
+
+class TrialTest(unittest.SynchronousTestCase):
+    def setUp(self):
+        self.output = StringIO.StringIO()
+        self.reporter = reporter.TestResult()
+        self.loader = runner.TestLoader()
+
+
+class TestInterruptInTest(TrialTest):
+    class InterruptedTest(unittest.TestCase):
+        def test_02_raiseInterrupt(self):
+            raise KeyboardInterrupt
+
+        def test_01_doNothing(self):
+            pass
+
+        def test_03_doNothing(self):
+            TestInterruptInTest.test_03_doNothing_run = True
+
+    def setUp(self):
+        super(TestInterruptInTest, self).setUp()
+        self.suite = self.loader.loadClass(TestInterruptInTest.InterruptedTest)
+        TestInterruptInTest.test_03_doNothing_run = None
+
+    def test_setUpOK(self):
+        self.assertEqual(3, self.suite.countTestCases())
+        self.assertEqual(0, self.reporter.testsRun)
+        self.failIf(self.reporter.shouldStop)
+
+    def test_interruptInTest(self):
+        runner.TrialSuite([self.suite]).run(self.reporter)
+        self.failUnless(self.reporter.shouldStop)
+        self.assertEqual(2, self.reporter.testsRun)
+        self.failIf(TestInterruptInTest.test_03_doNothing_run,
+                    "test_03_doNothing ran.")
+
+
+class TestInterruptInSetUp(TrialTest):
+    testsRun = 0
+
+    class InterruptedTest(unittest.TestCase):
+        def setUp(self):
+            if TestInterruptInSetUp.testsRun > 0:
+                raise KeyboardInterrupt
+
+        def test_01(self):
+            TestInterruptInSetUp.testsRun += 1
+
+        def test_02(self):
+            TestInterruptInSetUp.testsRun += 1
+            TestInterruptInSetUp.test_02_run = True
+
+    def setUp(self):
+        super(TestInterruptInSetUp, self).setUp()
+        self.suite = self.loader.loadClass(
+            TestInterruptInSetUp.InterruptedTest)
+        TestInterruptInSetUp.test_02_run = False
+        TestInterruptInSetUp.testsRun = 0
+
+    def test_setUpOK(self):
+        self.assertEqual(0, TestInterruptInSetUp.testsRun)
+        self.assertEqual(2, self.suite.countTestCases())
+        self.assertEqual(0, self.reporter.testsRun)
+        self.failIf(self.reporter.shouldStop)
+
+    def test_interruptInSetUp(self):
+        runner.TrialSuite([self.suite]).run(self.reporter)
+        self.failUnless(self.reporter.shouldStop)
+        self.assertEqual(2, self.reporter.testsRun)
+        self.failIf(TestInterruptInSetUp.test_02_run,
+                    "test_02 ran")
+
+
+class TestInterruptInTearDown(TrialTest):
+    testsRun = 0
+
+    class InterruptedTest(unittest.TestCase):
+        def tearDown(self):
+            if TestInterruptInTearDown.testsRun > 0:
+                raise KeyboardInterrupt
+
+        def test_01(self):
+            TestInterruptInTearDown.testsRun += 1
+
+        def test_02(self):
+            TestInterruptInTearDown.testsRun += 1
+            TestInterruptInTearDown.test_02_run = True
+
+    def setUp(self):
+        super(TestInterruptInTearDown, self).setUp()
+        self.suite = self.loader.loadClass(
+            TestInterruptInTearDown.InterruptedTest)
+        TestInterruptInTearDown.testsRun = 0
+        TestInterruptInTearDown.test_02_run = False
+
+    def test_setUpOK(self):
+        self.assertEqual(0, TestInterruptInTearDown.testsRun)
+        self.assertEqual(2, self.suite.countTestCases())
+        self.assertEqual(0, self.reporter.testsRun)
+        self.failIf(self.reporter.shouldStop)
+
+    def test_interruptInTearDown(self):
+        runner.TrialSuite([self.suite]).run(self.reporter)
+        self.assertEqual(1, self.reporter.testsRun)
+        self.failUnless(self.reporter.shouldStop)
+        self.failIf(TestInterruptInTearDown.test_02_run,
+                    "test_02 ran")

Linux/lib/python2.7/site-packages/twisted/trial/test/test_loader.py

@@ -0,0 +1,656 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for loading tests by name.
+"""
+
+import os
+import sys
+
+import unittest as pyunit
+from hashlib import md5
+
+from twisted.python import util, filepath
+from twisted.trial.test import packages
+from twisted.trial import runner, reporter, unittest
+from twisted.trial.itrial import ITestCase
+
+from twisted.python.modules import getModule
+
+
+
+def testNames(tests):
+    """
+    Return the id of each test within the given test suite or case.
+    """
+    names = []
+    for test in unittest._iterateTests(tests):
+        names.append(test.id())
+    return names
+
+
+
+class FinderTest(packages.PackageTest):
+    """
+    Tests for L{runner.TestLoader.findByName}.
+    """
+    def setUp(self):
+        packages.PackageTest.setUp(self)
+        self.loader = runner.TestLoader()
+
+    def tearDown(self):
+        packages.PackageTest.tearDown(self)
+
+    def test_findPackage(self):
+        sample1 = self.loader.findByName('twisted')
+        import twisted as sample2
+        self.assertEqual(sample1, sample2)
+
+    def test_findModule(self):
+        sample1 = self.loader.findByName('twisted.trial.test.sample')
+        import sample as sample2
+        self.assertEqual(sample1, sample2)
+
+    def test_findFile(self):
+        path = util.sibpath(__file__, 'sample.py')
+        sample1 = self.loader.findByName(path)
+        import sample as sample2
+        self.assertEqual(sample1, sample2)
+
+    def test_findObject(self):
+        sample1 = self.loader.findByName('twisted.trial.test.sample.FooTest')
+        import sample
+        self.assertEqual(sample.FooTest, sample1)
+
+    def test_findNonModule(self):
+        self.failUnlessRaises(AttributeError,
+                              self.loader.findByName,
+                              'twisted.trial.test.nonexistent')
+
+    def test_findNonPackage(self):
+        self.failUnlessRaises(ValueError,
+                              self.loader.findByName,
+                              'nonextant')
+
+    def test_findNonFile(self):
+        path = util.sibpath(__file__, 'nonexistent.py')
+        self.failUnlessRaises(ValueError, self.loader.findByName, path)
+
+
+
+class FileTest(packages.SysPathManglingTest):
+    """
+    Tests for L{runner.filenameToModule}.
+    """
+    def test_notFile(self):
+        """
+        L{runner.filenameToModule} raises a C{ValueError} when a non-existing
+        file is passed.
+        """
+        err = self.assertRaises(ValueError, runner.filenameToModule, 'it')
+        self.assertEqual(str(err), "'it' doesn't exist")
+
+
+    def test_moduleInPath(self):
+        """
+        If the file in question is a module on the Python path, then it should
+        properly import and return that module.
+        """
+        sample1 = runner.filenameToModule(util.sibpath(__file__, 'sample.py'))
+        import sample as sample2
+        self.assertEqual(sample2, sample1)
+
+
+    def test_moduleNotInPath(self):
+        """
+        If passed the path to a file containing the implementation of a
+        module within a package which is not on the import path,
+        L{runner.filenameToModule} returns a module object loosely
+        resembling the module defined by that file anyway.
+        """
+        # "test_sample" isn't actually the name of this module.  However,
+        # filenameToModule can't seem to figure that out.  So clean up this
+        # mis-named module.  It would be better if this weren't necessary
+        # and filenameToModule either didn't exist or added a correctly
+        # named module to sys.modules.
+        self.addCleanup(sys.modules.pop, 'test_sample', None)
+
+        self.mangleSysPath(self.oldPath)
+        sample1 = runner.filenameToModule(
+            os.path.join(self.parent, 'goodpackage', 'test_sample.py'))
+        self.mangleSysPath(self.newPath)
+        from goodpackage import test_sample as sample2
+        self.assertEqual(os.path.splitext(sample2.__file__)[0],
+                             os.path.splitext(sample1.__file__)[0])
+
+
+    def test_packageInPath(self):
+        """
+        If the file in question is a package on the Python path, then it should
+        properly import and return that package.
+        """
+        package1 = runner.filenameToModule(os.path.join(self.parent,
+                                                        'goodpackage'))
+        import goodpackage
+        self.assertEqual(goodpackage, package1)
+
+
+    def test_packageNotInPath(self):
+        """
+        If passed the path to a directory which represents a package which
+        is not on the import path, L{runner.filenameToModule} returns a
+        module object loosely resembling the package defined by that
+        directory anyway.
+        """
+        # "__init__" isn't actually the name of the package!  However,
+        # filenameToModule is pretty stupid and decides that is its name
+        # after all.  Make sure it gets cleaned up.  See the comment in
+        # test_moduleNotInPath for possible courses of action related to
+        # this.
+        self.addCleanup(sys.modules.pop, "__init__")
+
+        self.mangleSysPath(self.oldPath)
+        package1 = runner.filenameToModule(
+            os.path.join(self.parent, 'goodpackage'))
+        self.mangleSysPath(self.newPath)
+        import goodpackage
+        self.assertEqual(os.path.splitext(goodpackage.__file__)[0],
+                         os.path.splitext(package1.__file__)[0])
+
+
+    def test_directoryNotPackage(self):
+        """
+        L{runner.filenameToModule} raises a C{ValueError} when the name of an
+        empty directory is passed that isn't considered a valid Python package
+        because it doesn't contain a C{__init__.py} file.
+        """
+        emptyDir = filepath.FilePath(self.parent).child("emptyDirectory")
+        emptyDir.createDirectory()
+
+        err = self.assertRaises(ValueError, runner.filenameToModule,
+            emptyDir.path)
+        self.assertEqual(str(err), "%r is not a package directory" % (
+            emptyDir.path,))
+
+
+    def test_filenameNotPython(self):
+        """
+        L{runner.filenameToModule} raises a C{SyntaxError} when a non-Python
+        file is passed.
+        """
+        filename = filepath.FilePath(self.parent).child('notpython')
+        filename.setContent("This isn't python")
+        self.failUnlessRaises(
+            SyntaxError, runner.filenameToModule, filename.path)
+
+
+    def test_filenameMatchesPackage(self):
+        """
+        The C{__file__} attribute of the module should match the package name.
+        """
+        filename = filepath.FilePath(self.parent).child('goodpackage.py')
+        filename.setContent(packages.testModule)
+
+        try:
+            module = runner.filenameToModule(filename.path)
+            self.assertEqual(filename.path, module.__file__)
+        finally:
+            filename.remove()
+
+
+    def test_directory(self):
+        """
+        Test loader against a filesystem directory containing an empty
+        C{__init__.py} file. It should handle 'path' and 'path/' the same way.
+        """
+        goodDir = filepath.FilePath(self.parent).child('goodDirectory')
+        goodDir.createDirectory()
+        goodDir.child('__init__.py').setContent('')
+
+        try:
+            module = runner.filenameToModule(goodDir.path)
+            self.assert_(module.__name__.endswith('goodDirectory'))
+            module = runner.filenameToModule(goodDir.path + os.path.sep)
+            self.assert_(module.__name__.endswith('goodDirectory'))
+        finally:
+            goodDir.remove()
+
+
+
+class LoaderTest(packages.SysPathManglingTest):
+    """
+    Tests for L{trial.TestLoader}.
+    """
+
+    def setUp(self):
+        self.loader = runner.TestLoader()
+        packages.SysPathManglingTest.setUp(self)
+
+
+    def test_sortCases(self):
+        import sample
+        suite = self.loader.loadClass(sample.AlphabetTest)
+        self.assertEqual(['test_a', 'test_b', 'test_c'],
+                             [test._testMethodName for test in suite._tests])
+        newOrder = ['test_b', 'test_c', 'test_a']
+        sortDict = dict(zip(newOrder, range(3)))
+        self.loader.sorter = lambda x : sortDict.get(x.shortDescription(), -1)
+        suite = self.loader.loadClass(sample.AlphabetTest)
+        self.assertEqual(newOrder,
+                             [test._testMethodName for test in suite._tests])
+
+
+    def test_loadMethod(self):
+        import sample
+        suite = self.loader.loadMethod(sample.FooTest.test_foo)
+        self.assertEqual(1, suite.countTestCases())
+        self.assertEqual('test_foo', suite._testMethodName)
+
+
+    def test_loadFailingMethod(self):
+        # test added for issue1353
+        import erroneous
+        suite = self.loader.loadMethod(erroneous.TestRegularFail.test_fail)
+        result = reporter.TestResult()
+        suite.run(result)
+        self.assertEqual(result.testsRun, 1)
+        self.assertEqual(len(result.failures), 1)
+
+
+    def test_loadNonMethod(self):
+        import sample
+        self.failUnlessRaises(TypeError, self.loader.loadMethod, sample)
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadMethod, sample.FooTest)
+        self.failUnlessRaises(TypeError, self.loader.loadMethod, "string")
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadMethod, ('foo', 'bar'))
+
+
+    def test_loadBadDecorator(self):
+        """
+        A decorated test method for which the decorator has failed to set the
+        method's __name__ correctly is loaded and its name in the class scope
+        discovered.
+        """
+        import sample
+        suite = self.loader.loadMethod(sample.DecorationTest.test_badDecorator)
+        self.assertEqual(1, suite.countTestCases())
+        self.assertEqual('test_badDecorator', suite._testMethodName)
+
+
+    def test_loadGoodDecorator(self):
+        """
+        A decorated test method for which the decorator has set the method's
+        __name__ correctly is loaded and the only name by which it goes is used.
+        """
+        import sample
+        suite = self.loader.loadMethod(
+            sample.DecorationTest.test_goodDecorator)
+        self.assertEqual(1, suite.countTestCases())
+        self.assertEqual('test_goodDecorator', suite._testMethodName)
+
+
+    def test_loadRenamedDecorator(self):
+        """
+        Load a decorated method which has been copied to a new name inside the
+        class.  Thus its __name__ and its key in the class's __dict__ no
+        longer match.
+        """
+        import sample
+        suite = self.loader.loadMethod(
+            sample.DecorationTest.test_renamedDecorator)
+        self.assertEqual(1, suite.countTestCases())
+        self.assertEqual('test_renamedDecorator', suite._testMethodName)
+
+
+    def test_loadClass(self):
+        import sample
+        suite = self.loader.loadClass(sample.FooTest)
+        self.assertEqual(2, suite.countTestCases())
+        self.assertEqual(['test_bar', 'test_foo'],
+                             [test._testMethodName for test in suite._tests])
+
+
+    def test_loadNonClass(self):
+        import sample
+        self.failUnlessRaises(TypeError, self.loader.loadClass, sample)
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadClass, sample.FooTest.test_foo)
+        self.failUnlessRaises(TypeError, self.loader.loadClass, "string")
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadClass, ('foo', 'bar'))
+
+
+    def test_loadNonTestCase(self):
+        import sample
+        self.failUnlessRaises(ValueError, self.loader.loadClass,
+                              sample.NotATest)
+
+
+    def test_loadModule(self):
+        import sample
+        suite = self.loader.loadModule(sample)
+        self.assertEqual(10, suite.countTestCases())
+
+
+    def test_loadNonModule(self):
+        import sample
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadModule, sample.FooTest)
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadModule, sample.FooTest.test_foo)
+        self.failUnlessRaises(TypeError, self.loader.loadModule, "string")
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadModule, ('foo', 'bar'))
+
+
+    def test_loadPackage(self):
+        import goodpackage
+        suite = self.loader.loadPackage(goodpackage)
+        self.assertEqual(7, suite.countTestCases())
+
+
+    def test_loadNonPackage(self):
+        import sample
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadPackage, sample.FooTest)
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadPackage, sample.FooTest.test_foo)
+        self.failUnlessRaises(TypeError, self.loader.loadPackage, "string")
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadPackage, ('foo', 'bar'))
+
+
+    def test_loadModuleAsPackage(self):
+        import sample
+        ## XXX -- should this instead raise a ValueError? -- jml
+        self.failUnlessRaises(TypeError, self.loader.loadPackage, sample)
+
+
+    def test_loadPackageRecursive(self):
+        import goodpackage
+        suite = self.loader.loadPackage(goodpackage, recurse=True)
+        self.assertEqual(14, suite.countTestCases())
+
+
+    def test_loadAnythingOnModule(self):
+        import sample
+        suite = self.loader.loadAnything(sample)
+        self.assertEqual(sample.__name__,
+                             suite._tests[0]._tests[0].__class__.__module__)
+
+
+    def test_loadAnythingOnClass(self):
+        import sample
+        suite = self.loader.loadAnything(sample.FooTest)
+        self.assertEqual(2, suite.countTestCases())
+
+
+    def test_loadAnythingOnMethod(self):
+        import sample
+        suite = self.loader.loadAnything(sample.FooTest.test_foo)
+        self.assertEqual(1, suite.countTestCases())
+
+
+    def test_loadAnythingOnPackage(self):
+        import goodpackage
+        suite = self.loader.loadAnything(goodpackage)
+        self.failUnless(isinstance(suite, self.loader.suiteFactory))
+        self.assertEqual(7, suite.countTestCases())
+
+
+    def test_loadAnythingOnPackageRecursive(self):
+        import goodpackage
+        suite = self.loader.loadAnything(goodpackage, recurse=True)
+        self.failUnless(isinstance(suite, self.loader.suiteFactory))
+        self.assertEqual(14, suite.countTestCases())
+
+
+    def test_loadAnythingOnString(self):
+        # the important thing about this test is not the string-iness
+        # but the non-handledness.
+        self.failUnlessRaises(TypeError,
+                              self.loader.loadAnything, "goodpackage")
+
+
+    def test_importErrors(self):
+        import package
+        suite = self.loader.loadPackage(package, recurse=True)
+        result = reporter.Reporter()
+        suite.run(result)
+        self.assertEqual(False, result.wasSuccessful())
+        self.assertEqual(2, len(result.errors))
+        errors = [test.id() for test, error in result.errors]
+        errors.sort()
+        self.assertEqual(errors, ['package.test_bad_module',
+                                      'package.test_import_module'])
+
+
+    def test_differentInstances(self):
+        """
+        L{TestLoader.loadClass} returns a suite with each test method
+        represented by a different instances of the L{TestCase} they are
+        defined on.
+        """
+        class DistinctInstances(pyunit.TestCase):
+            def test_1(self):
+                self.first = 'test1Run'
+
+            def test_2(self):
+                self.assertFalse(hasattr(self, 'first'))
+
+        suite = self.loader.loadClass(DistinctInstances)
+        result = reporter.Reporter()
+        suite.run(result)
+        self.assertTrue(result.wasSuccessful())
+
+
+    def test_loadModuleWith_test_suite(self):
+        """
+        Check that C{test_suite} is used when present and other L{TestCase}s are
+        not included.
+        """
+        from twisted.trial.test import mockcustomsuite
+        suite = self.loader.loadModule(mockcustomsuite)
+        self.assertEqual(0, suite.countTestCases())
+        self.assertEqual("MyCustomSuite", getattr(suite, 'name', None))
+
+
+    def test_loadModuleWith_testSuite(self):
+        """
+        Check that C{testSuite} is used when present and other L{TestCase}s are
+        not included.
+        """
+        from twisted.trial.test import mockcustomsuite2
+        suite = self.loader.loadModule(mockcustomsuite2)
+        self.assertEqual(0, suite.countTestCases())
+        self.assertEqual("MyCustomSuite", getattr(suite, 'name', None))
+
+
+    def test_loadModuleWithBothCustom(self):
+        """
+        Check that if C{testSuite} and C{test_suite} are both present in a
+        module then C{testSuite} gets priority.
+        """
+        from twisted.trial.test import mockcustomsuite3
+        suite = self.loader.loadModule(mockcustomsuite3)
+        self.assertEqual('testSuite', getattr(suite, 'name', None))
+
+
+    def test_customLoadRaisesAttributeError(self):
+        """
+        Make sure that any C{AttributeError}s raised by C{testSuite} are not
+        swallowed by L{TestLoader}.
+        """
+        def testSuite():
+            raise AttributeError('should be reraised')
+        from twisted.trial.test import mockcustomsuite2
+        mockcustomsuite2.testSuite, original = (testSuite,
+                                                mockcustomsuite2.testSuite)
+        try:
+            self.assertRaises(AttributeError, self.loader.loadModule,
+                              mockcustomsuite2)
+        finally:
+            mockcustomsuite2.testSuite = original
+
+
+    # XXX - duplicated and modified from test_script
+    def assertSuitesEqual(self, test1, test2):
+        names1 = testNames(test1)
+        names2 = testNames(test2)
+        names1.sort()
+        names2.sort()
+        self.assertEqual(names1, names2)
+
+
+    def test_loadByNamesDuplicate(self):
+        """
+        Check that loadByNames ignores duplicate names
+        """
+        module = 'twisted.trial.test.test_log'
+        suite1 = self.loader.loadByNames([module, module], True)
+        suite2 = self.loader.loadByName(module, True)
+        self.assertSuitesEqual(suite1, suite2)
+
+
+    def test_loadByNamesPreservesOrder(self):
+        """
+        L{TestLoader.loadByNames} preserves the order of tests provided to it.
+        """
+        modules = [
+            "inheritancepackage.test_x.A.test_foo",
+            "twisted.trial.test.sample",
+            "goodpackage",
+            "twisted.trial.test.test_log",
+            "twisted.trial.test.sample.FooTest",
+            "package.test_module"]
+        suite1 = self.loader.loadByNames(modules)
+        suite2 = runner.TestSuite(map(self.loader.loadByName, modules))
+        self.assertEqual(testNames(suite1), testNames(suite2))
+
+
+    def test_loadDifferentNames(self):
+        """
+        Check that loadByNames loads all the names that it is given
+        """
+        modules = ['goodpackage', 'package.test_module']
+        suite1 = self.loader.loadByNames(modules)
+        suite2 = runner.TestSuite(map(self.loader.loadByName, modules))
+        self.assertSuitesEqual(suite1, suite2)
+
+    def test_loadInheritedMethods(self):
+        """
+        Check that test methods names which are inherited from are all
+        loaded rather than just one.
+        """
+        methods = ['inheritancepackage.test_x.A.test_foo',
+                   'inheritancepackage.test_x.B.test_foo']
+        suite1 = self.loader.loadByNames(methods)
+        suite2 = runner.TestSuite(map(self.loader.loadByName, methods))
+        self.assertSuitesEqual(suite1, suite2)
+
+
+
+class ZipLoadingTest(LoaderTest):
+    def setUp(self):
+        from twisted.python.test.test_zippath import zipit
+        LoaderTest.setUp(self)
+        zipit(self.parent, self.parent+'.zip')
+        self.parent += '.zip'
+        self.mangleSysPath(self.oldPath+[self.parent])
+
+
+
+class PackageOrderingTest(packages.SysPathManglingTest):
+
+    def setUp(self):
+        self.loader = runner.TestLoader()
+        self.topDir = self.mktemp()
+        parent = os.path.join(self.topDir, "uberpackage")
+        os.makedirs(parent)
+        open(os.path.join(parent, "__init__.py"), "wb").close()
+        packages.SysPathManglingTest.setUp(self, parent)
+        self.mangleSysPath(self.oldPath + [self.topDir])
+
+    def _trialSortAlgorithm(self, sorter):
+        """
+        Right now, halfway by accident, trial sorts like this:
+
+            1. all modules are grouped together in one list and sorted.
+
+            2. within each module, the classes are grouped together in one list
+               and sorted.
+
+            3. finally within each class, each test method is grouped together
+               in a list and sorted.
+
+        This attempts to return a sorted list of testable thingies following
+        those rules, so that we can compare the behavior of loadPackage.
+
+        The things that show as 'cases' are errors from modules which failed to
+        import, and test methods.  Let's gather all those together.
+        """
+        pkg = getModule('uberpackage')
+        testModules = []
+        for testModule in pkg.walkModules():
+            if testModule.name.split(".")[-1].startswith("test_"):
+                testModules.append(testModule)
+        sortedModules = sorted(testModules, key=sorter) # ONE
+        for modinfo in sortedModules:
+            # Now let's find all the classes.
+            module = modinfo.load(None)
+            if module is None:
+                yield modinfo
+            else:
+                testClasses = []
+                for attrib in modinfo.iterAttributes():
+                    if runner.isTestCase(attrib.load()):
+                        testClasses.append(attrib)
+                sortedClasses = sorted(testClasses, key=sorter) # TWO
+                for clsinfo in sortedClasses:
+                    testMethods = []
+                    for attr in clsinfo.iterAttributes():
+                        if attr.name.split(".")[-1].startswith('test'):
+                            testMethods.append(attr)
+                    sortedMethods = sorted(testMethods, key=sorter) # THREE
+                    for methinfo in sortedMethods:
+                        yield methinfo
+
+
+    def loadSortedPackages(self, sorter=runner.name):
+        """
+        Verify that packages are loaded in the correct order.
+        """
+        import uberpackage
+        self.loader.sorter = sorter
+        suite = self.loader.loadPackage(uberpackage, recurse=True)
+        # XXX: Work around strange, unexplained Zope crap.
+        # jml, 2007-11-15.
+        suite = unittest.decorate(suite, ITestCase)
+        resultingTests = list(unittest._iterateTests(suite))
+        manifest = list(self._trialSortAlgorithm(sorter))
+        for number, (manifestTest, actualTest) in enumerate(
+            zip(manifest, resultingTests)):
+            self.assertEqual(
+                 manifestTest.name, actualTest.id(),
+                 "#%d: %s != %s" %
+                 (number, manifestTest.name, actualTest.id()))
+        self.assertEqual(len(manifest), len(resultingTests))
+
+
+    def test_sortPackagesDefaultOrder(self):
+        self.loadSortedPackages()
+
+
+    def test_sortPackagesSillyOrder(self):
+        def sillySorter(s):
+            # This has to work on fully-qualified class names and class
+            # objects, which is silly, but it's the "spec", such as it is.
+#             if isinstance(s, type) or isinstance(s, types.ClassType):
+#                 return s.__module__+'.'+s.__name__
+            n = runner.name(s)
+            d = md5(n).hexdigest()
+            return d
+        self.loadSortedPackages(sillySorter)

Linux/lib/python2.7/site-packages/twisted/trial/test/test_log.py

@@ -0,0 +1,235 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Test the interaction between trial and errors logged during test run.
+"""
+from __future__ import division
+
+import time
+
+from twisted.internet import reactor, task
+from twisted.python import failure, log
+from twisted.trial import unittest, reporter
+
+
+def makeFailure():
+    """
+    Return a new, realistic failure.
+    """
+    try:
+        1/0
+    except ZeroDivisionError:
+        f = failure.Failure()
+    return f
+
+
+
+class Mask(object):
+    """
+    Hide C{MockTest}s from Trial's automatic test finder.
+    """
+    class FailureLoggingMixin(object):
+        def test_silent(self):
+            """
+            Don't log any errors.
+            """
+
+        def test_single(self):
+            """
+            Log a single error.
+            """
+            log.err(makeFailure())
+
+        def test_double(self):
+            """
+            Log two errors.
+            """
+            log.err(makeFailure())
+            log.err(makeFailure())
+
+
+    class SynchronousFailureLogging(FailureLoggingMixin, unittest.SynchronousTestCase):
+        pass
+
+
+    class AsynchronousFailureLogging(FailureLoggingMixin, unittest.TestCase):
+        def test_inCallback(self):
+            """
+            Log an error in an asynchronous callback.
+            """
+            return task.deferLater(reactor, 0, lambda: log.err(makeFailure()))
+
+
+
+class TestObserver(unittest.SynchronousTestCase):
+    """
+    Tests for L{unittest._LogObserver}, a helper for the implementation of
+    L{SynchronousTestCase.flushLoggedErrors}.
+    """
+    def setUp(self):
+        self.result = reporter.TestResult()
+        self.observer = unittest._LogObserver()
+
+
+    def test_msg(self):
+        """
+        Test that a standard log message doesn't go anywhere near the result.
+        """
+        self.observer.gotEvent({'message': ('some message',),
+                                'time': time.time(), 'isError': 0,
+                                'system': '-'})
+        self.assertEqual(self.observer.getErrors(), [])
+
+
+    def test_error(self):
+        """
+        Test that an observed error gets added to the result
+        """
+        f = makeFailure()
+        self.observer.gotEvent({'message': (),
+                                'time': time.time(), 'isError': 1,
+                                'system': '-', 'failure': f,
+                                'why': None})
+        self.assertEqual(self.observer.getErrors(), [f])
+
+
+    def test_flush(self):
+        """
+        Check that flushing the observer with no args removes all errors.
+        """
+        self.test_error()
+        flushed = self.observer.flushErrors()
+        self.assertEqual(self.observer.getErrors(), [])
+        self.assertEqual(len(flushed), 1)
+        self.assertTrue(flushed[0].check(ZeroDivisionError))
+
+
+    def _makeRuntimeFailure(self):
+        return failure.Failure(RuntimeError('test error'))
+
+
+    def test_flushByType(self):
+        """
+        Check that flushing the observer remove all failures of the given type.
+        """
+        self.test_error() # log a ZeroDivisionError to the observer
+        f = self._makeRuntimeFailure()
+        self.observer.gotEvent(dict(message=(), time=time.time(), isError=1,
+                                    system='-', failure=f, why=None))
+        flushed = self.observer.flushErrors(ZeroDivisionError)
+        self.assertEqual(self.observer.getErrors(), [f])
+        self.assertEqual(len(flushed), 1)
+        self.assertTrue(flushed[0].check(ZeroDivisionError))
+
+
+    def test_ignoreErrors(self):
+        """
+        Check that C{_ignoreErrors} actually causes errors to be ignored.
+        """
+        self.observer._ignoreErrors(ZeroDivisionError)
+        f = makeFailure()
+        self.observer.gotEvent({'message': (),
+                                'time': time.time(), 'isError': 1,
+                                'system': '-', 'failure': f,
+                                'why': None})
+        self.assertEqual(self.observer.getErrors(), [])
+
+
+    def test_clearIgnores(self):
+        """
+        Check that C{_clearIgnores} ensures that previously ignored errors
+        get captured.
+        """
+        self.observer._ignoreErrors(ZeroDivisionError)
+        self.observer._clearIgnores()
+        f = makeFailure()
+        self.observer.gotEvent({'message': (),
+                                'time': time.time(), 'isError': 1,
+                                'system': '-', 'failure': f,
+                                'why': None})
+        self.assertEqual(self.observer.getErrors(), [f])
+
+
+
+class LogErrorsMixin(object):
+    """
+    High-level tests demonstrating the expected behaviour of logged errors
+    during tests.
+    """
+
+    def setUp(self):
+        self.result = reporter.TestResult()
+
+    def tearDown(self):
+        self.flushLoggedErrors(ZeroDivisionError)
+
+
+    def test_singleError(self):
+        """
+        Test that a logged error gets reported as a test error.
+        """
+        test = self.MockTest('test_single')
+        test(self.result)
+        self.assertEqual(len(self.result.errors), 1)
+        self.assertTrue(self.result.errors[0][1].check(ZeroDivisionError),
+                        self.result.errors[0][1])
+        self.assertEqual(0, self.result.successes)
+
+
+    def test_twoErrors(self):
+        """
+        Test that when two errors get logged, they both get reported as test
+        errors.
+        """
+        test = self.MockTest('test_double')
+        test(self.result)
+        self.assertEqual(len(self.result.errors), 2)
+        self.assertEqual(0, self.result.successes)
+
+
+    def test_errorsIsolated(self):
+        """
+        Check that an error logged in one test doesn't fail the next test.
+        """
+        t1 = self.MockTest('test_single')
+        t2 = self.MockTest('test_silent')
+        t1(self.result)
+        t2(self.result)
+        self.assertEqual(len(self.result.errors), 1)
+        self.assertEqual(self.result.errors[0][0], t1)
+        self.assertEqual(1, self.result.successes)
+
+
+    def test_boundedObservers(self):
+        """
+        There are no extra log observers after a test runs.
+        """
+        # XXX trial is *all about* global log state.  It should really be fixed.
+        observer = unittest._LogObserver()
+        self.patch(unittest, '_logObserver', observer)
+        observers = log.theLogPublisher.observers[:]
+        test = self.MockTest()
+        test(self.result)
+        self.assertEqual(observers, log.theLogPublisher.observers)
+
+
+
+class SynchronousLogErrorsTests(LogErrorsMixin, unittest.SynchronousTestCase):
+    MockTest = Mask.SynchronousFailureLogging
+
+
+
+class AsynchronousLogErrorsTests(LogErrorsMixin, unittest.TestCase):
+    MockTest = Mask.AsynchronousFailureLogging
+
+    def test_inCallback(self):
+        """
+        Test that errors logged in callbacks get reported as test errors.
+        """
+        test = self.MockTest('test_inCallback')
+        test(self.result)
+        self.assertEqual(len(self.result.errors), 1)
+        self.assertTrue(self.result.errors[0][1].check(ZeroDivisionError),
+                        self.result.errors[0][1])
+

Linux/lib/python2.7/site-packages/twisted/trial/test/test_output.py

@@ -0,0 +1,179 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for the output generated by trial.
+"""
+
+import os, StringIO
+
+from twisted.scripts import trial
+from twisted.trial import runner
+from twisted.trial.test import packages
+
+
+def runTrial(*args):
+    from twisted.trial import reporter
+    config = trial.Options()
+    config.parseOptions(args)
+    output = StringIO.StringIO()
+    myRunner = runner.TrialRunner(
+        reporter.VerboseTextReporter,
+        stream=output,
+        workingDirectory=config['temp-directory'])
+    suite = trial._getSuite(config)
+    result = myRunner.run(suite)
+    return output.getvalue()
+
+
+class TestImportErrors(packages.SysPathManglingTest):
+    """Actually run trial as if on the command line and check that the output
+    is what we expect.
+    """
+
+    debug = False
+    parent = "_testImportErrors"
+    def runTrial(self, *args):
+        return runTrial('--temp-directory', self.mktemp(), *args)
+
+
+    def _print(self, stuff):
+        print stuff
+        return stuff
+
+
+    def assertIn(self, container, containee, *args, **kwargs):
+        # redefined to be useful in callbacks
+        super(TestImportErrors, self).assertIn(
+            containee, container, *args, **kwargs)
+        return container
+
+
+    def assertNotIn(self, container, containee, *args, **kwargs):
+        # redefined to be useful in callbacks
+        super(TestImportErrors, self).assertNotIn(
+            containee, container, *args, **kwargs)
+        return container
+
+
+    def test_trialRun(self):
+        self.runTrial()
+
+
+    def test_nonexistentModule(self):
+        d = self.runTrial('twisted.doesntexist')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'twisted.doesntexist')
+        return d
+
+
+    def test_nonexistentPackage(self):
+        d = self.runTrial('doesntexist')
+        self.assertIn(d, 'doesntexist')
+        self.assertIn(d, 'ModuleNotFound')
+        self.assertIn(d, '[ERROR]')
+        return d
+
+
+    def test_nonexistentPackageWithModule(self):
+        d = self.runTrial('doesntexist.barney')
+        self.assertIn(d, 'doesntexist.barney')
+        self.assertIn(d, 'ObjectNotFound')
+        self.assertIn(d, '[ERROR]')
+        return d
+
+
+    def test_badpackage(self):
+        d = self.runTrial('badpackage')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'badpackage')
+        self.assertNotIn(d, 'IOError')
+        return d
+
+
+    def test_moduleInBadpackage(self):
+        d = self.runTrial('badpackage.test_module')
+        self.assertIn(d, "[ERROR]")
+        self.assertIn(d, "badpackage.test_module")
+        self.assertNotIn(d, 'IOError')
+        return d
+
+
+    def test_badmodule(self):
+        d = self.runTrial('package.test_bad_module')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'package.test_bad_module')
+        self.assertNotIn(d, 'IOError')
+        self.assertNotIn(d, '<module ')
+        return d
+
+
+    def test_badimport(self):
+        d = self.runTrial('package.test_import_module')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'package.test_import_module')
+        self.assertNotIn(d, 'IOError')
+        self.assertNotIn(d, '<module ')
+        return d
+
+
+    def test_recurseImport(self):
+        d = self.runTrial('package')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'test_bad_module')
+        self.assertIn(d, 'test_import_module')
+        self.assertNotIn(d, '<module ')
+        self.assertNotIn(d, 'IOError')
+        return d
+
+
+    def test_recurseImportErrors(self):
+        d = self.runTrial('package2')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, 'package2')
+        self.assertIn(d, 'test_module')
+        self.assertIn(d, "No module named frotz")
+        self.assertNotIn(d, '<module ')
+        self.assertNotIn(d, 'IOError')
+        return d
+
+
+    def test_nonRecurseImportErrors(self):
+        d = self.runTrial('-N', 'package2')
+        self.assertIn(d, '[ERROR]')
+        self.assertIn(d, "No module named frotz")
+        self.assertNotIn(d, '<module ')
+        return d
+
+
+    def test_regularRun(self):
+        d = self.runTrial('package.test_module')
+        self.assertNotIn(d, '[ERROR]')
+        self.assertNotIn(d, 'IOError')
+        self.assertIn(d, 'OK')
+        self.assertIn(d, 'PASSED (successes=1)')
+        return d
+
+
+    def test_filename(self):
+        self.mangleSysPath(self.oldPath)
+        d = self.runTrial(
+            os.path.join(self.parent, 'package', 'test_module.py'))
+        self.assertNotIn(d, '[ERROR]')
+        self.assertNotIn(d, 'IOError')
+        self.assertIn(d, 'OK')
+        self.assertIn(d, 'PASSED (successes=1)')
+        return d
+
+
+    def test_dosFile(self):
+        ## XXX -- not really an output test, more of a script test
+        self.mangleSysPath(self.oldPath)
+        d = self.runTrial(
+            os.path.join(self.parent,
+                         'package', 'test_dos_module.py'))
+        self.assertNotIn(d, '[ERROR]')
+        self.assertNotIn(d, 'IOError')
+        self.assertIn(d, 'OK')
+        self.assertIn(d, 'PASSED (successes=1)')
+        return d

Linux/lib/python2.7/site-packages/twisted/trial/test/test_plugins.py

@@ -0,0 +1,46 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+#
+# Maintainer: Jonathan Lange
+
+"""
+Tests for L{twisted.plugins.twisted_trial}.
+"""
+
+from twisted.plugin import getPlugins
+from twisted.trial import unittest
+from twisted.trial.itrial import IReporter
+
+
+class TestPlugins(unittest.SynchronousTestCase):
+    """
+    Tests for Trial's reporter plugins.
+    """
+
+    def getPluginsByLongOption(self, longOption):
+        """
+        Return the Trial reporter plugin with the given long option.
+
+        If more than one is found, raise ValueError. If none are found, raise
+        IndexError.
+        """
+        plugins = [
+            plugin for plugin in getPlugins(IReporter)
+            if plugin.longOpt == longOption]
+        if len(plugins) > 1:
+            raise ValueError(
+                "More than one plugin found with long option %r: %r"
+                % (longOption, plugins))
+        return plugins[0]
+
+
+    def test_subunitPlugin(self):
+        """
+        One of the reporter plugins is the subunit reporter plugin.
+        """
+        subunitPlugin = self.getPluginsByLongOption('subunit')
+        self.assertEqual('Subunit Reporter', subunitPlugin.name)
+        self.assertEqual('twisted.trial.reporter', subunitPlugin.module)
+        self.assertEqual('subunit', subunitPlugin.longOpt)
+        self.assertIdentical(None, subunitPlugin.shortOpt)
+        self.assertEqual('SubunitReporter', subunitPlugin.klass)

Linux/lib/python2.7/site-packages/twisted/trial/test/test_pyunitcompat.py

@@ -0,0 +1,287 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+from __future__ import division, absolute_import
+
+import sys
+import traceback
+
+from zope.interface import implementer
+
+from twisted.python.compat import _PY3
+from twisted.python.failure import Failure
+from twisted.trial.unittest import SynchronousTestCase, PyUnitResultAdapter
+from twisted.trial.itrial import IReporter, ITestCase
+
+import unittest as pyunit
+
+
+class TestPyUnitTestCase(SynchronousTestCase):
+
+    class PyUnitTest(pyunit.TestCase):
+
+        def test_pass(self):
+            pass
+
+
+    def setUp(self):
+        self.original = self.PyUnitTest('test_pass')
+        self.test = ITestCase(self.original)
+
+
+    def test_callable(self):
+        """
+        Tests must be callable in order to be used with Python's unittest.py.
+        """
+        self.assertTrue(callable(self.test),
+                        "%r is not callable." % (self.test,))
+
+# Remove this when we port twisted.trial._synctest to Python 3:
+if _PY3:
+    del TestPyUnitTestCase
+
+
+
+class TestPyUnitResult(SynchronousTestCase):
+    """
+    Tests to show that PyUnitResultAdapter wraps TestResult objects from the
+    standard library 'unittest' module in such a way as to make them usable and
+    useful from Trial.
+    """
+
+    # Once erroneous is ported to Python 3 this can be replaced with
+    # erroneous.ErrorTest:
+    class ErrorTest(SynchronousTestCase):
+        """
+        A test case which has a L{test_foo} which will raise an error.
+
+        @ivar ran: boolean indicating whether L{test_foo} has been run.
+        """
+        ran = False
+
+        def test_foo(self):
+            """
+            Set C{self.ran} to True and raise a C{ZeroDivisionError}
+            """
+            self.ran = True
+            1/0
+
+
+    def test_dontUseAdapterWhenReporterProvidesIReporter(self):
+        """
+        The L{PyUnitResultAdapter} is only used when the result passed to
+        C{run} does *not* provide L{IReporter}.
+        """
+        @implementer(IReporter)
+        class StubReporter(object):
+            """
+            A reporter which records data about calls made to it.
+
+            @ivar errors: Errors passed to L{addError}.
+            @ivar failures: Failures passed to L{addFailure}.
+            """
+
+            def __init__(self):
+                self.errors = []
+                self.failures = []
+
+            def startTest(self, test):
+                """
+                Do nothing.
+                """
+
+            def stopTest(self, test):
+                """
+                Do nothing.
+                """
+
+            def addError(self, test, error):
+                """
+                Record the error.
+                """
+                self.errors.append(error)
+
+        test = self.ErrorTest("test_foo")
+        result = StubReporter()
+        test.run(result)
+        self.assertIsInstance(result.errors[0], Failure)
+
+
+    def test_success(self):
+        class SuccessTest(SynchronousTestCase):
+            ran = False
+            def test_foo(s):
+                s.ran = True
+        test = SuccessTest('test_foo')
+        result = pyunit.TestResult()
+        test.run(result)
+
+        self.failUnless(test.ran)
+        self.assertEqual(1, result.testsRun)
+        self.failUnless(result.wasSuccessful())
+
+    def test_failure(self):
+        class FailureTest(SynchronousTestCase):
+            ran = False
+            def test_foo(s):
+                s.ran = True
+                s.fail('boom!')
+        test = FailureTest('test_foo')
+        result = pyunit.TestResult()
+        test.run(result)
+
+        self.failUnless(test.ran)
+        self.assertEqual(1, result.testsRun)
+        self.assertEqual(1, len(result.failures))
+        self.failIf(result.wasSuccessful())
+
+    def test_error(self):
+        test = self.ErrorTest('test_foo')
+        result = pyunit.TestResult()
+        test.run(result)
+
+        self.failUnless(test.ran)
+        self.assertEqual(1, result.testsRun)
+        self.assertEqual(1, len(result.errors))
+        self.failIf(result.wasSuccessful())
+
+    def test_setUpError(self):
+        class ErrorTest(SynchronousTestCase):
+            ran = False
+            def setUp(self):
+                1/0
+            def test_foo(s):
+                s.ran = True
+        test = ErrorTest('test_foo')
+        result = pyunit.TestResult()
+        test.run(result)
+
+        self.failIf(test.ran)
+        self.assertEqual(1, result.testsRun)
+        self.assertEqual(1, len(result.errors))
+        self.failIf(result.wasSuccessful())
+
+    def test_tracebackFromFailure(self):
+        """
+        Errors added through the L{PyUnitResultAdapter} have the same traceback
+        information as if there were no adapter at all.
+        """
+        try:
+            1/0
+        except ZeroDivisionError:
+            exc_info = sys.exc_info()
+            f = Failure()
+        pyresult = pyunit.TestResult()
+        result = PyUnitResultAdapter(pyresult)
+        result.addError(self, f)
+        self.assertEqual(pyresult.errors[0][1],
+                         ''.join(traceback.format_exception(*exc_info)))
+
+
+    def test_traceback(self):
+        """
+        As test_tracebackFromFailure, but covering more code.
+        """
+        class ErrorTest(SynchronousTestCase):
+            exc_info = None
+            def test_foo(self):
+                try:
+                    1/0
+                except ZeroDivisionError:
+                    self.exc_info = sys.exc_info()
+                    raise
+        test = ErrorTest('test_foo')
+        result = pyunit.TestResult()
+        test.run(result)
+
+        # We can't test that the tracebacks are equal, because Trial's
+        # machinery inserts a few extra frames on the top and we don't really
+        # want to trim them off without an extremely good reason.
+        #
+        # So, we just test that the result's stack ends with the the
+        # exception's stack.
+
+        expected_stack = ''.join(traceback.format_tb(test.exc_info[2]))
+        observed_stack = '\n'.join(result.errors[0][1].splitlines()[:-1])
+
+        self.assertEqual(expected_stack.strip(),
+                         observed_stack[-len(expected_stack):].strip())
+
+
+    def test_tracebackFromCleanFailure(self):
+        """
+        Errors added through the L{PyUnitResultAdapter} have the same
+        traceback information as if there were no adapter at all, even
+        if the Failure that held the information has been cleaned.
+        """
+        try:
+            1/0
+        except ZeroDivisionError:
+            exc_info = sys.exc_info()
+            f = Failure()
+        f.cleanFailure()
+        pyresult = pyunit.TestResult()
+        result = PyUnitResultAdapter(pyresult)
+        result.addError(self, f)
+        self.assertEqual(pyresult.errors[0][1],
+                         ''.join(traceback.format_exception(*exc_info)))
+
+
+    def test_trialSkip(self):
+        """
+        Skips using trial's skipping functionality are reported as skips in
+        the L{pyunit.TestResult}.
+        """
+        class SkipTest(SynchronousTestCase):
+            def test_skip(self):
+                1/0
+            test_skip.skip = "Let's skip!"
+
+        test = SkipTest('test_skip')
+        result = pyunit.TestResult()
+        test.run(result)
+        self.assertEqual(result.skipped, [(test, "Let's skip!")])
+
+
+    def test_pyunitSkip(self):
+        """
+        Skips using pyunit's skipping functionality are reported as skips in
+        the L{pyunit.TestResult}.
+        """
+        class SkipTest(SynchronousTestCase):
+            @pyunit.skip("skippy")
+            def test_skip(self):
+                1/0
+
+        test = SkipTest('test_skip')
+        result = pyunit.TestResult()
+        test.run(result)
+        self.assertEqual(result.skipped, [(test, "skippy")])
+
+
+    def test_skip26(self):
+        """
+        On Python 2.6, pyunit doesn't support skipping, so it gets added as a
+        failure to the L{pyunit.TestResult}.
+        """
+        class SkipTest(SynchronousTestCase):
+            def test_skip(self):
+                1/0
+            test_skip.skip = "Let's skip!"
+
+        test = SkipTest('test_skip')
+        result = pyunit.TestResult()
+        test.run(result)
+        self.assertEqual(len(result.failures), 1)
+        test2, reason = result.failures[0]
+        self.assertIdentical(test, test2)
+        self.assertIn("UnsupportedTrialFeature", reason)
+
+    if sys.version_info[:2] < (2, 7):
+        message = "pyunit doesn't support skipping in Python 2.6"
+        test_trialSkip.skip = message
+        test_pyunitSkip.skip = message
+        del message
+    else:
+        test_skip26.skip = "This test is only relevant to Python 2.6"
+

Linux/lib/python2.7/site-packages/twisted/trial/test/test_script.py

@@ -0,0 +1,867 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+import StringIO
+import gc
+import re
+import sys
+import textwrap
+import types
+
+from twisted.trial import unittest
+from twisted.trial.runner import (
+    TrialRunner, TestSuite, DestructiveTestSuite, TestLoader)
+from twisted.trial._dist.disttrial import DistTrialRunner
+from twisted.scripts import trial
+from twisted.python import util
+from twisted.python.usage import UsageError
+from twisted.python.filepath import FilePath
+
+from twisted.trial.test.test_loader import testNames
+
+pyunit = __import__('unittest')
+
+
+def sibpath(filename):
+    """
+    For finding files in twisted/trial/test
+    """
+    return util.sibpath(__file__, filename)
+
+
+
+class ForceGarbageCollection(unittest.SynchronousTestCase):
+    """
+    Tests for the --force-gc option.
+    """
+
+    def setUp(self):
+        self.config = trial.Options()
+        self.log = []
+        self.patch(gc, 'collect', self.collect)
+        test = pyunit.FunctionTestCase(self.simpleTest)
+        self.test = TestSuite([test, test])
+
+
+    def simpleTest(self):
+        """
+        A simple test method that records that it was run.
+        """
+        self.log.append('test')
+
+
+    def collect(self):
+        """
+        A replacement for gc.collect that logs calls to itself.
+        """
+        self.log.append('collect')
+
+
+    def makeRunner(self):
+        """
+        Return a L{TrialRunner} object that is safe to use in tests.
+        """
+        runner = trial._makeRunner(self.config)
+        runner.stream = StringIO.StringIO()
+        return runner
+
+
+    def test_forceGc(self):
+        """
+        Passing the --force-gc option to the trial script forces the garbage
+        collector to run before and after each test.
+        """
+        self.config['force-gc'] = True
+        self.config.postOptions()
+        runner = self.makeRunner()
+        runner.run(self.test)
+        self.assertEqual(self.log, ['collect', 'test', 'collect',
+                                    'collect', 'test', 'collect'])
+
+
+    def test_unforceGc(self):
+        """
+        By default, no garbage collection is forced.
+        """
+        self.config.postOptions()
+        runner = self.makeRunner()
+        runner.run(self.test)
+        self.assertEqual(self.log, ['test', 'test'])
+
+
+
+class TestSuiteUsed(unittest.SynchronousTestCase):
+    """
+    Check the category of tests suite used by the loader.
+    """
+
+    def setUp(self):
+        """
+        Create a trial configuration object.
+        """
+        self.config = trial.Options()
+
+
+    def test_defaultSuite(self):
+        """
+        By default, the loader should use L{DestructiveTestSuite}
+        """
+        loader = trial._getLoader(self.config)
+        self.assertEqual(loader.suiteFactory, DestructiveTestSuite)
+
+
+    def test_untilFailureSuite(self):
+        """
+        The C{until-failure} configuration uses the L{TestSuite} to keep
+        instances alive across runs.
+        """
+        self.config['until-failure'] = True
+        loader = trial._getLoader(self.config)
+        self.assertEqual(loader.suiteFactory, TestSuite)
+
+
+
+class TestModuleTest(unittest.SynchronousTestCase):
+    def setUp(self):
+        self.config = trial.Options()
+
+    def tearDown(self):
+        self.config = None
+
+    def test_testNames(self):
+        """
+        Check that the testNames helper method accurately collects the
+        names of tests in suite.
+        """
+        self.assertEqual(testNames(self), [self.id()])
+
+    def assertSuitesEqual(self, test1, names):
+        loader = TestLoader()
+        names1 = testNames(test1)
+        names2 = testNames(TestSuite(map(loader.loadByName, names)))
+        names1.sort()
+        names2.sort()
+        self.assertEqual(names1, names2)
+
+    def test_baseState(self):
+        self.assertEqual(0, len(self.config['tests']))
+
+    def test_testmoduleOnModule(self):
+        """
+        Check that --testmodule loads a suite which contains the tests
+        referred to in test-case-name inside its parameter.
+        """
+        self.config.opt_testmodule(sibpath('moduletest.py'))
+        self.assertSuitesEqual(trial._getSuite(self.config),
+                               ['twisted.trial.test.test_log'])
+
+    def test_testmoduleTwice(self):
+        """
+        When the same module is specified with two --testmodule flags, it
+        should only appear once in the suite.
+        """
+        self.config.opt_testmodule(sibpath('moduletest.py'))
+        self.config.opt_testmodule(sibpath('moduletest.py'))
+        self.assertSuitesEqual(trial._getSuite(self.config),
+                               ['twisted.trial.test.test_log'])
+
+    def test_testmoduleOnSourceAndTarget(self):
+        """
+        If --testmodule is specified twice, once for module A and once for
+        a module which refers to module A, then make sure module A is only
+        added once.
+        """
+        self.config.opt_testmodule(sibpath('moduletest.py'))
+        self.config.opt_testmodule(sibpath('test_log.py'))
+        self.assertSuitesEqual(trial._getSuite(self.config),
+                               ['twisted.trial.test.test_log'])
+
+    def test_testmoduleOnSelfModule(self):
+        """
+        When given a module that refers to *itself* in the test-case-name
+        variable, check that --testmodule only adds the tests once.
+        """
+        self.config.opt_testmodule(sibpath('moduleself.py'))
+        self.assertSuitesEqual(trial._getSuite(self.config),
+                               ['twisted.trial.test.moduleself'])
+
+    def test_testmoduleOnScript(self):
+        """
+        Check that --testmodule loads tests referred to in test-case-name
+        buffer variables.
+        """
+        self.config.opt_testmodule(sibpath('scripttest.py'))
+        self.assertSuitesEqual(trial._getSuite(self.config),
+                               ['twisted.trial.test.test_log',
+                                'twisted.trial.test.test_class'])
+
+    def test_testmoduleOnNonexistentFile(self):
+        """
+        Check that --testmodule displays a meaningful error message when
+        passed a non-existent filename.
+        """
+        buffy = StringIO.StringIO()
+        stderr, sys.stderr = sys.stderr, buffy
+        filename = 'test_thisbetternoteverexist.py'
+        try:
+            self.config.opt_testmodule(filename)
+            self.assertEqual(0, len(self.config['tests']))
+            self.assertEqual("File %r doesn't exist\n" % (filename,),
+                                 buffy.getvalue())
+        finally:
+            sys.stderr = stderr
+
+    def test_testmoduleOnEmptyVars(self):
+        """
+        Check that --testmodule adds no tests to the suite for modules
+        which lack test-case-name buffer variables.
+        """
+        self.config.opt_testmodule(sibpath('novars.py'))
+        self.assertEqual(0, len(self.config['tests']))
+
+    def test_testmoduleOnModuleName(self):
+        """
+        Check that --testmodule does *not* support module names as arguments
+        and that it displays a meaningful error message.
+        """
+        buffy = StringIO.StringIO()
+        stderr, sys.stderr = sys.stderr, buffy
+        moduleName = 'twisted.trial.test.test_script'
+        try:
+            self.config.opt_testmodule(moduleName)
+            self.assertEqual(0, len(self.config['tests']))
+            self.assertEqual("File %r doesn't exist\n" % (moduleName,),
+                                 buffy.getvalue())
+        finally:
+            sys.stderr = stderr
+
+    def test_parseLocalVariable(self):
+        declaration = '-*- test-case-name: twisted.trial.test.test_tests -*-'
+        localVars = trial._parseLocalVariables(declaration)
+        self.assertEqual({'test-case-name':
+                              'twisted.trial.test.test_tests'},
+                             localVars)
+
+    def test_trailingSemicolon(self):
+        declaration = '-*- test-case-name: twisted.trial.test.test_tests; -*-'
+        localVars = trial._parseLocalVariables(declaration)
+        self.assertEqual({'test-case-name':
+                              'twisted.trial.test.test_tests'},
+                             localVars)
+
+    def test_parseLocalVariables(self):
+        declaration = ('-*- test-case-name: twisted.trial.test.test_tests; '
+                       'foo: bar -*-')
+        localVars = trial._parseLocalVariables(declaration)
+        self.assertEqual({'test-case-name':
+                              'twisted.trial.test.test_tests',
+                              'foo': 'bar'},
+                             localVars)
+
+    def test_surroundingGuff(self):
+        declaration = ('## -*- test-case-name: '
+                       'twisted.trial.test.test_tests -*- #')
+        localVars = trial._parseLocalVariables(declaration)
+        self.assertEqual({'test-case-name':
+                              'twisted.trial.test.test_tests'},
+                             localVars)
+
+    def test_invalidLine(self):
+        self.failUnlessRaises(ValueError, trial._parseLocalVariables,
+                              'foo')
+
+    def test_invalidDeclaration(self):
+        self.failUnlessRaises(ValueError, trial._parseLocalVariables,
+                              '-*- foo -*-')
+        self.failUnlessRaises(ValueError, trial._parseLocalVariables,
+                              '-*- foo: bar; qux -*-')
+        self.failUnlessRaises(ValueError, trial._parseLocalVariables,
+                              '-*- foo: bar: baz; qux: qax -*-')
+
+    def test_variablesFromFile(self):
+        localVars = trial.loadLocalVariables(sibpath('moduletest.py'))
+        self.assertEqual({'test-case-name':
+                              'twisted.trial.test.test_log'},
+                             localVars)
+
+    def test_noVariablesInFile(self):
+        localVars = trial.loadLocalVariables(sibpath('novars.py'))
+        self.assertEqual({}, localVars)
+
+    def test_variablesFromScript(self):
+        localVars = trial.loadLocalVariables(sibpath('scripttest.py'))
+        self.assertEqual(
+            {'test-case-name': ('twisted.trial.test.test_log,'
+                                'twisted.trial.test.test_class')},
+            localVars)
+
+    def test_getTestModules(self):
+        modules = trial.getTestModules(sibpath('moduletest.py'))
+        self.assertEqual(modules, ['twisted.trial.test.test_log'])
+
+    def test_getTestModules_noVars(self):
+        modules = trial.getTestModules(sibpath('novars.py'))
+        self.assertEqual(len(modules), 0)
+
+    def test_getTestModules_multiple(self):
+        modules = trial.getTestModules(sibpath('scripttest.py'))
+        self.assertEqual(set(modules),
+                             set(['twisted.trial.test.test_log',
+                                  'twisted.trial.test.test_class']))
+
+    def test_looksLikeTestModule(self):
+        for filename in ['test_script.py', 'twisted/trial/test/test_script.py']:
+            self.failUnless(trial.isTestFile(filename),
+                            "%r should be a test file" % (filename,))
+        for filename in ['twisted/trial/test/moduletest.py',
+                         sibpath('scripttest.py'), sibpath('test_foo.bat')]:
+            self.failIf(trial.isTestFile(filename),
+                        "%r should *not* be a test file" % (filename,))
+
+
+class WithoutModuleTests(unittest.SynchronousTestCase):
+    """
+    Test the C{without-module} flag.
+    """
+
+    def setUp(self):
+        """
+        Create a L{trial.Options} object to be used in the tests, and save
+        C{sys.modules}.
+        """
+        self.config = trial.Options()
+        self.savedModules = dict(sys.modules)
+
+
+    def tearDown(self):
+        """
+        Restore C{sys.modules}.
+        """
+        for module in ('imaplib', 'smtplib'):
+            if module in self.savedModules:
+                sys.modules[module] = self.savedModules[module]
+            else:
+                sys.modules.pop(module, None)
+
+
+    def _checkSMTP(self):
+        """
+        Try to import the C{smtplib} module, and return it.
+        """
+        import smtplib
+        return smtplib
+
+
+    def _checkIMAP(self):
+        """
+        Try to import the C{imaplib} module, and return it.
+        """
+        import imaplib
+        return imaplib
+
+
+    def test_disableOneModule(self):
+        """
+        Check that after disabling a module, it can't be imported anymore.
+        """
+        self.config.parseOptions(["--without-module", "smtplib"])
+        self.assertRaises(ImportError, self._checkSMTP)
+        # Restore sys.modules
+        del sys.modules["smtplib"]
+        # Then the function should succeed
+        self.assertIsInstance(self._checkSMTP(), types.ModuleType)
+
+
+    def test_disableMultipleModules(self):
+        """
+        Check that several modules can be disabled at once.
+        """
+        self.config.parseOptions(["--without-module", "smtplib,imaplib"])
+        self.assertRaises(ImportError, self._checkSMTP)
+        self.assertRaises(ImportError, self._checkIMAP)
+        # Restore sys.modules
+        del sys.modules["smtplib"]
+        del sys.modules["imaplib"]
+        # Then the functions should succeed
+        self.assertIsInstance(self._checkSMTP(), types.ModuleType)
+        self.assertIsInstance(self._checkIMAP(), types.ModuleType)
+
+
+    def test_disableAlreadyImportedModule(self):
+        """
+        Disabling an already imported module should produce a warning.
+        """
+        self.assertIsInstance(self._checkSMTP(), types.ModuleType)
+        self.assertWarns(RuntimeWarning,
+                "Module 'smtplib' already imported, disabling anyway.",
+                trial.__file__,
+                self.config.parseOptions, ["--without-module", "smtplib"])
+        self.assertRaises(ImportError, self._checkSMTP)
+
+
+
+class CoverageTests(unittest.SynchronousTestCase):
+    """
+    Tests for the I{coverage} option.
+    """
+    if getattr(sys, 'gettrace', None) is None:
+        skip = (
+            "Cannot test trace hook installation without inspection API.")
+
+    def setUp(self):
+        """
+        Arrange for the current trace hook to be restored when the
+        test is complete.
+        """
+        self.addCleanup(sys.settrace, sys.gettrace())
+
+
+    def test_tracerInstalled(self):
+        """
+        L{trial.Options} handles C{"--coverage"} by installing a trace
+        hook to record coverage information.
+        """
+        options = trial.Options()
+        options.parseOptions(["--coverage"])
+        self.assertEqual(sys.gettrace(), options.tracer.globaltrace)
+
+
+    def test_coverdirDefault(self):
+        """
+        L{trial.Options.coverdir} returns a L{FilePath} based on the default
+        for the I{temp-directory} option if that option is not specified.
+        """
+        options = trial.Options()
+        self.assertEqual(
+            options.coverdir(),
+            FilePath(".").descendant([options["temp-directory"], "coverage"]))
+
+
+    def test_coverdirOverridden(self):
+        """
+        If a value is specified for the I{temp-directory} option,
+        L{trial.Options.coverdir} returns a child of that path.
+        """
+        path = self.mktemp()
+        options = trial.Options()
+        options.parseOptions(["--temp-directory", path])
+        self.assertEqual(
+            options.coverdir(), FilePath(path).child("coverage"))
+
+
+
+class OptionsTestCase(unittest.TestCase):
+    """
+    Tests for L{trial.Options}.
+    """
+
+    def setUp(self):
+        """
+        Build an L{Options} object to be used in the tests.
+        """
+        self.options = trial.Options()
+
+
+    def test_getWorkerArguments(self):
+        """
+        C{_getWorkerArguments} discards options like C{random} as they only
+        matter in the manager, and forwards options like C{recursionlimit} or
+        C{disablegc}.
+        """
+        self.addCleanup(sys.setrecursionlimit, sys.getrecursionlimit())
+        if gc.isenabled():
+            self.addCleanup(gc.enable)
+
+        self.options.parseOptions(["--recursionlimit", "2000", "--random",
+                                   "4", "--disablegc"])
+        args = self.options._getWorkerArguments()
+        self.assertIn("--disablegc", args)
+        args.remove("--disablegc")
+        self.assertEqual(["--recursionlimit", "2000"], args)
+
+
+    def test_jobsConflictWithDebug(self):
+        """
+        C{parseOptions} raises a C{UsageError} when C{--debug} is passed along
+        C{--jobs} as it's not supported yet.
+
+        @see: U{http://twistedmatrix.com/trac/ticket/5825}
+        """
+        error = self.assertRaises(
+            UsageError, self.options.parseOptions, ["--jobs", "4", "--debug"])
+        self.assertEqual("You can't specify --debug when using --jobs",
+                         str(error))
+
+
+    def test_jobsConflictWithProfile(self):
+        """
+        C{parseOptions} raises a C{UsageError} when C{--profile} is passed
+        along C{--jobs} as it's not supported yet.
+
+        @see: U{http://twistedmatrix.com/trac/ticket/5827}
+        """
+        error = self.assertRaises(
+            UsageError, self.options.parseOptions,
+            ["--jobs", "4", "--profile"])
+        self.assertEqual("You can't specify --profile when using --jobs",
+                         str(error))
+
+
+    def test_jobsConflictWithDebugStackTraces(self):
+        """
+        C{parseOptions} raises a C{UsageError} when C{--debug-stacktraces} is
+        passed along C{--jobs} as it's not supported yet.
+
+        @see: U{http://twistedmatrix.com/trac/ticket/5826}
+        """
+        error = self.assertRaises(
+            UsageError, self.options.parseOptions,
+            ["--jobs", "4", "--debug-stacktraces"])
+        self.assertEqual(
+            "You can't specify --debug-stacktraces when using --jobs",
+            str(error))
+
+
+    def test_jobsConflictWithExitFirst(self):
+        """
+        C{parseOptions} raises a C{UsageError} when C{--exitfirst} is passed
+        along C{--jobs} as it's not supported yet.
+
+        @see: U{http://twistedmatrix.com/trac/ticket/6436}
+        """
+        error = self.assertRaises(
+            UsageError, self.options.parseOptions,
+            ["--jobs", "4", "--exitfirst"])
+        self.assertEqual(
+            "You can't specify --exitfirst when using --jobs",
+            str(error))
+
+
+    def test_orderConflictWithRandom(self):
+        """
+        C{parseOptions} raises a C{UsageError} when C{--order} is passed along
+        with C{--random}.
+        """
+        error = self.assertRaises(
+            UsageError,
+            self.options.parseOptions,
+            ["--order", "alphabetical", "--random", "1234"])
+        self.assertEqual("You can't specify --random when using --order",
+                         str(error))
+
+
+
+class MakeRunnerTestCase(unittest.TestCase):
+    """
+    Tests for the L{_makeRunner} helper.
+    """
+
+    def setUp(self):
+        self.options = trial.Options()
+
+    def test_jobs(self):
+        """
+        L{_makeRunner} returns a L{DistTrialRunner} instance when the C{--jobs}
+        option is passed, and passes the C{workerNumber} and C{workerArguments}
+        parameters to it.
+        """
+        self.options.parseOptions(["--jobs", "4", "--force-gc"])
+        runner = trial._makeRunner(self.options)
+        self.assertIsInstance(runner, DistTrialRunner)
+        self.assertEqual(4, runner._workerNumber)
+        self.assertEqual(["--force-gc"], runner._workerArguments)
+
+
+    def test_dryRunWithJobs(self):
+        """
+        L{_makeRunner} returns a L{TrialRunner} instance in C{DRY_RUN} mode
+        when the C{--dry-run} option is passed, even if C{--jobs} is set.
+        """
+        self.options.parseOptions(["--jobs", "4", "--dry-run"])
+        runner = trial._makeRunner(self.options)
+        self.assertIsInstance(runner, TrialRunner)
+        self.assertEqual(TrialRunner.DRY_RUN, runner.mode)
+
+
+    def test_DebuggerNotFound(self):
+        namedAny = trial.reflect.namedAny
+
+        def namedAnyExceptdoNotFind(fqn):
+            if fqn == "doNotFind":
+                raise trial.reflect.ModuleNotFound(fqn)
+            return namedAny(fqn)
+
+        self.patch(trial.reflect, "namedAny", namedAnyExceptdoNotFind)
+
+        options = trial.Options()
+        options.parseOptions(["--debug", "--debugger", "doNotFind"])
+
+        self.assertRaises(trial._DebuggerNotFound, trial._makeRunner, options)
+
+
+    def test_exitfirst(self):
+        """
+        Passing C{--exitfirst} wraps the reporter with a
+        L{reporter._ExitWrapper} that stops on any non-success.
+        """
+        self.options.parseOptions(["--exitfirst"])
+        runner = trial._makeRunner(self.options)
+        self.assertTrue(runner._exitFirst)
+
+
+class TestRun(unittest.TestCase):
+    """
+    Tests for the L{run} function.
+    """
+
+    def setUp(self):
+        # don't re-parse cmdline options, because if --reactor was passed to
+        # the test run trial will try to restart the (already running) reactor
+        self.patch(trial.Options, "parseOptions", lambda self: None)
+
+
+    def test_debuggerNotFound(self):
+        """
+        When a debugger is not found, an error message is printed to the user.
+
+        """
+
+        def _makeRunner(*args, **kwargs):
+            raise trial._DebuggerNotFound('foo')
+        self.patch(trial, "_makeRunner", _makeRunner)
+
+        try:
+            trial.run()
+        except SystemExit as e:
+            self.assertIn("foo", str(e))
+        else:
+            self.fail("Should have exited due to non-existent debugger!")
+
+
+
+class TestArgumentOrderTests(unittest.TestCase):
+    """
+    Tests for the order-preserving behavior on provided command-line tests.
+    """
+
+    def setUp(self):
+        self.config = trial.Options()
+        self.loader = TestLoader()
+
+
+    def test_preserveArgumentOrder(self):
+        """
+        Multiple tests passed on the command line are not reordered.
+        """
+        tests = [
+            "twisted.trial.test.test_tests",
+            "twisted.trial.test.test_assertions",
+            "twisted.trial.test.test_deferreds",
+            ]
+        self.config.parseOptions(tests)
+
+        suite = trial._getSuite(self.config)
+        names = testNames(suite)
+
+        expectedSuite = TestSuite(map(self.loader.loadByName, tests))
+        expectedNames = testNames(expectedSuite)
+
+        self.assertEqual(names, expectedNames)
+
+
+
+class OrderTests(unittest.TestCase):
+    """
+    Tests for the --order option.
+    """
+    def setUp(self):
+        self.config = trial.Options()
+
+
+    def test_alphabetical(self):
+        """
+        --order=alphabetical causes trial to run tests alphabetically within
+        each test case.
+        """
+        self.config.parseOptions([
+            "--order", "alphabetical",
+            "twisted.trial.test.ordertests.FooTest"])
+
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        self.assertEqual(
+            testNames(suite), [
+            'twisted.trial.test.ordertests.FooTest.test_first',
+            'twisted.trial.test.ordertests.FooTest.test_fourth',
+            'twisted.trial.test.ordertests.FooTest.test_second',
+            'twisted.trial.test.ordertests.FooTest.test_third'])
+
+
+    def test_alphabeticalModule(self):
+        """
+        --order=alphabetical causes trial to run test classes within a given
+        module alphabetically.
+        """
+        self.config.parseOptions([
+            "--order", "alphabetical", "twisted.trial.test.ordertests"])
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        self.assertEqual(
+            testNames(suite), [
+            'twisted.trial.test.ordertests.BarTest.test_bar',
+            'twisted.trial.test.ordertests.BazTest.test_baz',
+            'twisted.trial.test.ordertests.FooTest.test_first',
+            'twisted.trial.test.ordertests.FooTest.test_fourth',
+            'twisted.trial.test.ordertests.FooTest.test_second',
+            'twisted.trial.test.ordertests.FooTest.test_third'])
+
+
+    def test_alphabeticalPackage(self):
+        """
+        --order=alphabetical causes trial to run test modules within a given
+        package alphabetically, with tests within each module alphabetized.
+        """
+        self.config.parseOptions([
+            "--order", "alphabetical", "twisted.trial.test"])
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        names = testNames(suite)
+        self.assertTrue(names, msg="Failed to load any tests!")
+        self.assertEqual(names, sorted(names))
+
+
+    def test_toptobottom(self):
+        """
+        --order=toptobottom causes trial to run test methods within a given
+        test case from top to bottom as they are defined in the body of the
+        class.
+        """
+        self.config.parseOptions([
+            "--order", "toptobottom",
+            "twisted.trial.test.ordertests.FooTest"])
+
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        self.assertEqual(
+            testNames(suite), [
+            'twisted.trial.test.ordertests.FooTest.test_first',
+            'twisted.trial.test.ordertests.FooTest.test_second',
+            'twisted.trial.test.ordertests.FooTest.test_third',
+            'twisted.trial.test.ordertests.FooTest.test_fourth'])
+
+
+    def test_toptobottomModule(self):
+        """
+        --order=toptobottom causes trial to run test classes within a given
+        module from top to bottom as they are defined in the module's source.
+        """
+        self.config.parseOptions([
+            "--order", "toptobottom", "twisted.trial.test.ordertests"])
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        self.assertEqual(
+            testNames(suite), [
+            'twisted.trial.test.ordertests.FooTest.test_first',
+            'twisted.trial.test.ordertests.FooTest.test_second',
+            'twisted.trial.test.ordertests.FooTest.test_third',
+            'twisted.trial.test.ordertests.FooTest.test_fourth',
+            'twisted.trial.test.ordertests.BazTest.test_baz',
+            'twisted.trial.test.ordertests.BarTest.test_bar'])
+
+
+    def test_toptobottomPackage(self):
+        """
+        --order=toptobottom causes trial to run test modules within a given
+        package alphabetically, with tests within each module run top to
+        bottom.
+        """
+        self.config.parseOptions([
+            "--order", "toptobottom", "twisted.trial.test"])
+        loader = trial._getLoader(self.config)
+        suite = loader.loadByNames(self.config['tests'])
+
+        names = testNames(suite)
+        # twisted.trial.test.test_module, so split and key on the first 4 to
+        # get stable alphabetical sort on those
+        self.assertEqual(
+            names, sorted(names, key=lambda name : name.split(".")[:4]),
+        )
+
+
+    def test_toptobottomMissingSource(self):
+        """
+        --order=toptobottom detects the source line of methods from modules
+        whose source file is missing.
+        """
+        tempdir = self.mktemp().encode('utf-8')
+        package = FilePath(tempdir).child(b'twisted_toptobottom_temp')
+        package.makedirs()
+        package.child(b'__init__.py').setContent(b'')
+        package.child(b'test_missing.py').setContent(textwrap.dedent(b'''
+        from twisted.trial.unittest import TestCase
+        class TestMissing(TestCase):
+            def test_second(self): pass
+            def test_third(self): pass
+            def test_fourth(self): pass
+            def test_first(self): pass
+        '''))
+        pathEntry = package.parent().path.decode('utf-8')
+        sys.path.insert(0, pathEntry)
+        self.addCleanup(sys.path.remove, pathEntry)
+        from twisted_toptobottom_temp import test_missing
+        self.addCleanup(sys.modules.pop, 'twisted_toptobottom_temp')
+        self.addCleanup(sys.modules.pop, test_missing.__name__)
+        package.child(b'test_missing.py').remove()
+
+        self.config.parseOptions([
+            "--order", "toptobottom", "twisted.trial.test.ordertests"])
+        loader = trial._getLoader(self.config)
+        suite = loader.loadModule(test_missing)
+
+        self.assertEqual(
+            testNames(suite), [
+            'twisted_toptobottom_temp.test_missing.TestMissing.test_second',
+            'twisted_toptobottom_temp.test_missing.TestMissing.test_third',
+            'twisted_toptobottom_temp.test_missing.TestMissing.test_fourth',
+            'twisted_toptobottom_temp.test_missing.TestMissing.test_first'])
+
+
+    def test_unknownOrder(self):
+        """
+        An unknown order passed to --order raises a L{UsageError}.
+        """
+
+        self.assertRaises(
+            UsageError, self.config.parseOptions, ["--order", "I don't exist"])
+
+
+
+class HelpOrderTests(unittest.TestCase):
+    """
+    Tests for the --help-orders flag.
+    """
+    def test_help_ordersPrintsSynopsisAndQuits(self):
+        """
+        --help-orders prints each of the available orders and then exits.
+        """
+        self.patch(sys, "stdout", StringIO.StringIO())
+
+        exc = self.assertRaises(
+            SystemExit, trial.Options().parseOptions, ["--help-orders"])
+        self.assertEqual(exc.code, 0)
+
+        output = sys.stdout.getvalue()
+
+        msg = "%r with its description not properly described in %r"
+        for orderName, (orderDesc, _) in trial._runOrders.items():
+            match = re.search(
+                "%s.*%s" % (re.escape(orderName), re.escape(orderDesc)),
+                output,
+            )
+
+            self.assertTrue(match, msg=msg % (orderName, output))

Linux/lib/python2.7/site-packages/twisted/trial/test/test_suppression.py

@@ -0,0 +1,162 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for warning suppression features of Trial.
+"""
+
+from __future__ import division, absolute_import
+
+import unittest as pyunit
+
+from twisted.trial import unittest
+from twisted.trial.test import suppression
+
+
+class SuppressionMixin(object):
+    """
+    Tests for the warning suppression features of
+    L{twisted.trial.unittest.SynchronousTestCase}.
+    """
+    def runTests(self, suite):
+        suite.run(pyunit.TestResult())
+
+
+    def _load(self, cls, methodName):
+        """
+        Return a new L{unittest.TestSuite} with a single test method in it.
+
+        @param cls: A L{TestCase} subclass defining a test method.
+
+        @param methodName: The name of the test method from C{cls}.
+        """
+        return pyunit.TestSuite([cls(methodName)])
+
+
+    def _assertWarnings(self, warnings, which):
+        """
+        Assert that a certain number of warnings with certain messages were
+        emitted in a certain order.
+
+        @param warnings: A list of emitted warnings, as returned by
+            C{flushWarnings}.
+
+        @param which: A list of strings giving warning messages that should
+            appear in C{warnings}.
+
+        @raise self.failureException: If the warning messages given by C{which}
+            do not match the messages in the warning information in C{warnings},
+            or if they do not appear in the same order.
+        """
+        self.assertEqual(
+            [warning['message'] for warning in warnings],
+            which)
+
+
+    def test_setUpSuppression(self):
+        """
+        Suppressions defined by the test method being run are applied to any
+        warnings emitted while running the C{setUp} fixture.
+        """
+        self.runTests(
+            self._load(self.TestSetUpSuppression, "testSuppressMethod"))
+        warningsShown = self.flushWarnings([
+                self.TestSetUpSuppression._emit])
+        self._assertWarnings(
+            warningsShown,
+            [suppression.CLASS_WARNING_MSG, suppression.MODULE_WARNING_MSG,
+             suppression.CLASS_WARNING_MSG, suppression.MODULE_WARNING_MSG])
+
+
+    def test_tearDownSuppression(self):
+        """
+        Suppressions defined by the test method being run are applied to any
+        warnings emitted while running the C{tearDown} fixture.
+        """
+        self.runTests(
+            self._load(self.TestTearDownSuppression, "testSuppressMethod"))
+        warningsShown = self.flushWarnings([
+                self.TestTearDownSuppression._emit])
+        self._assertWarnings(
+            warningsShown,
+            [suppression.CLASS_WARNING_MSG, suppression.MODULE_WARNING_MSG,
+             suppression.CLASS_WARNING_MSG, suppression.MODULE_WARNING_MSG])
+
+
+    def test_suppressMethod(self):
+        """
+        A suppression set on a test method prevents warnings emitted by that
+        test method which the suppression matches from being emitted.
+        """
+        self.runTests(
+            self._load(self.TestSuppression, "testSuppressMethod"))
+        warningsShown = self.flushWarnings([
+                self.TestSuppression._emit])
+        self._assertWarnings(
+            warningsShown,
+            [suppression.CLASS_WARNING_MSG, suppression.MODULE_WARNING_MSG])
+
+
+    def test_suppressClass(self):
+        """
+        A suppression set on a L{SynchronousTestCase} subclass prevents warnings
+        emitted by any test methods defined on that class which match the
+        suppression from being emitted.
+        """
+        self.runTests(
+            self._load(self.TestSuppression, "testSuppressClass"))
+        warningsShown = self.flushWarnings([
+                self.TestSuppression._emit])
+        self.assertEqual(
+            warningsShown[0]['message'], suppression.METHOD_WARNING_MSG)
+        self.assertEqual(
+            warningsShown[1]['message'], suppression.MODULE_WARNING_MSG)
+        self.assertEqual(len(warningsShown), 2)
+
+
+    def test_suppressModule(self):
+        """
+        A suppression set on a module prevents warnings emitted by any test
+        mewthods defined in that module which match the suppression from being
+        emitted.
+        """
+        self.runTests(
+            self._load(self.TestSuppression2, "testSuppressModule"))
+        warningsShown = self.flushWarnings([
+                self.TestSuppression._emit])
+        self.assertEqual(
+            warningsShown[0]['message'], suppression.METHOD_WARNING_MSG)
+        self.assertEqual(
+            warningsShown[1]['message'], suppression.CLASS_WARNING_MSG)
+        self.assertEqual(len(warningsShown), 2)
+
+
+    def test_overrideSuppressClass(self):
+        """
+        The suppression set on a test method completely overrides a suppression
+        with wider scope; if it does not match a warning emitted by that test
+        method, the warning is emitted, even if a wider suppression matches.
+        """
+        self.runTests(
+            self._load(self.TestSuppression, "testOverrideSuppressClass"))
+        warningsShown = self.flushWarnings([
+                self.TestSuppression._emit])
+        self.assertEqual(
+            warningsShown[0]['message'], suppression.METHOD_WARNING_MSG)
+        self.assertEqual(
+            warningsShown[1]['message'], suppression.CLASS_WARNING_MSG)
+        self.assertEqual(
+            warningsShown[2]['message'], suppression.MODULE_WARNING_MSG)
+        self.assertEqual(len(warningsShown), 3)
+
+
+
+class SynchronousSuppressionTest(SuppressionMixin, unittest.SynchronousTestCase):
+    """
+    @see: L{twisted.trial.test.test_tests}
+    """
+    from twisted.trial.test.suppression import (
+        SynchronousTestSetUpSuppression as TestSetUpSuppression,
+        SynchronousTestTearDownSuppression as TestTearDownSuppression,
+        SynchronousTestSuppression as TestSuppression,
+        SynchronousTestSuppression2 as TestSuppression2)

Linux/lib/python2.7/site-packages/twisted/trial/test/test_testcase.py

@@ -0,0 +1,70 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Direct unit tests for L{twisted.trial.unittest.SynchronousTestCase} and
+L{twisted.trial.unittest.TestCase}.
+"""
+
+from __future__ import division, absolute_import
+
+from twisted.trial.unittest import SynchronousTestCase, TestCase
+
+
+class TestCaseMixin(object):
+    """
+    L{TestCase} tests.
+    """
+    def setUp(self):
+        """
+        Create a couple instances of C{MyTestCase}, each for the same test
+        method, to be used in the test methods of this class.
+        """
+        self.first = self.MyTestCase('test_1')
+        self.second = self.MyTestCase('test_1')
+
+
+    def test_equality(self):
+        """
+        In order for one test method to be runnable twice, two TestCase
+        instances with the same test method name must not compare as equal.
+        """
+        self.assertTrue(self.first == self.first)
+        self.assertTrue(self.first != self.second)
+        self.assertFalse(self.first == self.second)
+
+
+    def test_hashability(self):
+        """
+        In order for one test method to be runnable twice, two TestCase
+        instances with the same test method name should not have the same
+        hash value.
+        """
+        container = {}
+        container[self.first] = None
+        container[self.second] = None
+        self.assertEqual(len(container), 2)
+
+
+
+class SynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
+    class MyTestCase(SynchronousTestCase):
+        """
+        Some test methods which can be used to test behaviors of
+        L{SynchronousTestCase}.
+        """
+        def test_1(self):
+            pass
+
+
+
+# Yes, subclass SynchronousTestCase again.  There are no interesting behaviors
+# of self being tested below, only of self.MyTestCase.
+class AsynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
+    class MyTestCase(TestCase):
+        """
+        Some test methods which can be used to test behaviors of
+        L{TestCase}.
+        """
+        def test_1(self):
+            pass

Linux/lib/python2.7/site-packages/twisted/trial/test/test_util.py

@@ -0,0 +1,780 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+#
+
+"""
+Tests for L{twisted.trial.util}
+"""
+
+from __future__ import division, absolute_import
+
+import os, sys
+
+from zope.interface import implementer
+
+from twisted.python.compat import _PY3, NativeStringIO
+from twisted.python import filepath
+from twisted.internet.interfaces import IProcessTransport
+from twisted.internet import defer
+from twisted.internet.base import DelayedCall
+from twisted.python.failure import Failure
+
+from twisted.trial.unittest import SynchronousTestCase
+from twisted.trial import util
+from twisted.trial.util import (
+    DirtyReactorAggregateError, _Janitor, excInfoOrFailureToExcInfo,
+    acquireAttribute)
+from twisted.trial.test import suppression
+
+
+
+class TestMktemp(SynchronousTestCase):
+    """
+    Tests for L{TestCase.mktemp}, a helper function for creating temporary file
+    or directory names.
+    """
+    def test_name(self):
+        """
+        The path name returned by C{mktemp} is directly beneath a directory
+        which identifies the test method which created the name.
+        """
+        name = self.mktemp()
+        dirs = os.path.dirname(name).split(os.sep)[:-1]
+        self.assertEqual(
+            dirs, ['twisted.trial.test.test_util', 'TestMktemp', 'test_name'])
+
+
+    def test_unique(self):
+        """
+        Repeated calls to C{mktemp} return different values.
+        """
+        name = self.mktemp()
+        self.assertNotEqual(name, self.mktemp())
+
+
+    def test_created(self):
+        """
+        The directory part of the path name returned by C{mktemp} exists.
+        """
+        name = self.mktemp()
+        dirname = os.path.dirname(name)
+        self.assertTrue(os.path.exists(dirname))
+        self.assertFalse(os.path.exists(name))
+
+
+    def test_location(self):
+        """
+        The path returned by C{mktemp} is beneath the current working directory.
+        """
+        path = os.path.abspath(self.mktemp())
+        self.assertTrue(path.startswith(os.getcwd()))
+
+
+
+class TestIntrospection(SynchronousTestCase):
+    def test_containers(self):
+        """
+        When pased a test case, L{util.getPythonContainers} returns a list
+        including the test case and the module the test case is defined in.
+        """
+        parents = util.getPythonContainers(
+            suppression.SynchronousTestSuppression2.testSuppressModule)
+        expected = [suppression.SynchronousTestSuppression2, suppression]
+        for a, b in zip(parents, expected):
+            self.assertEqual(a, b)
+        # Also, the function is deprecated.
+        warnings = self.flushWarnings([self.test_containers])
+        self.assertEqual(DeprecationWarning, warnings[0]['category'])
+        self.assertEqual(
+            "twisted.trial.util.getPythonContainers was deprecated in "
+            "Twisted 12.3.0: This function never worked correctly.  "
+            "Implement lookup on your own.",
+            warnings[0]['message'])
+        self.assertEqual(1, len(warnings))
+    if _PY3:
+        test_containers.skip = "getPythonContainers is unsupported on Python 3."
+
+
+
+class TestRunSequentially(SynchronousTestCase):
+    """
+    Sometimes it is useful to be able to run an arbitrary list of callables,
+    one after the other.
+
+    When some of those callables can return Deferreds, things become complex.
+    """
+
+    def assertDeferredResult(self, deferred, assertFunction, *args, **kwargs):
+        """
+        Call the given assertion function against the current result of a
+        Deferred.
+        """
+        result = []
+        deferred.addCallback(result.append)
+        assertFunction(result[0], *args, **kwargs)
+
+    def test_emptyList(self):
+        """
+        When asked to run an empty list of callables, runSequentially returns a
+        successful Deferred that fires an empty list.
+        """
+        d = util._runSequentially([])
+        self.assertDeferredResult(d, self.assertEqual, [])
+
+
+    def test_singleSynchronousSuccess(self):
+        """
+        When given a callable that succeeds without returning a Deferred,
+        include the return value in the results list, tagged with a SUCCESS
+        flag.
+        """
+        d = util._runSequentially([lambda: None])
+        self.assertDeferredResult(d, self.assertEqual, [(defer.SUCCESS, None)])
+
+
+    def test_singleSynchronousFailure(self):
+        """
+        When given a callable that raises an exception, include a Failure for
+        that exception in the results list, tagged with a FAILURE flag.
+        """
+        d = util._runSequentially([lambda: self.fail('foo')])
+        def check(results):
+            [(flag, fail)] = results
+            fail.trap(self.failureException)
+            self.assertEqual(fail.getErrorMessage(), 'foo')
+            self.assertEqual(flag, defer.FAILURE)
+        self.assertDeferredResult(d, check)
+
+
+    def test_singleAsynchronousSuccess(self):
+        """
+        When given a callable that returns a successful Deferred, include the
+        result of the Deferred in the results list, tagged with a SUCCESS flag.
+        """
+        d = util._runSequentially([lambda: defer.succeed(None)])
+        self.assertDeferredResult(d, self.assertEqual, [(defer.SUCCESS, None)])
+
+
+    def test_singleAsynchronousFailure(self):
+        """
+        When given a callable that returns a failing Deferred, include the
+        failure the results list, tagged with a FAILURE flag.
+        """
+        d = util._runSequentially([lambda: defer.fail(ValueError('foo'))])
+        def check(results):
+            [(flag, fail)] = results
+            fail.trap(ValueError)
+            self.assertEqual(fail.getErrorMessage(), 'foo')
+            self.assertEqual(flag, defer.FAILURE)
+        self.assertDeferredResult(d, check)
+
+
+    def test_callablesCalledInOrder(self):
+        """
+        Check that the callables are called in the given order, one after the
+        other.
+        """
+        log = []
+        deferreds = []
+
+        def append(value):
+            d = defer.Deferred()
+            log.append(value)
+            deferreds.append(d)
+            return d
+
+        util._runSequentially([lambda: append('foo'),
+                               lambda: append('bar')])
+
+        # runSequentially should wait until the Deferred has fired before
+        # running the second callable.
+        self.assertEqual(log, ['foo'])
+        deferreds[-1].callback(None)
+        self.assertEqual(log, ['foo', 'bar'])
+
+
+    def test_continuesAfterError(self):
+        """
+        If one of the callables raises an error, then runSequentially continues
+        to run the remaining callables.
+        """
+        d = util._runSequentially([lambda: self.fail('foo'), lambda: 'bar'])
+        def check(results):
+            [(flag1, fail), (flag2, result)] = results
+            fail.trap(self.failureException)
+            self.assertEqual(flag1, defer.FAILURE)
+            self.assertEqual(fail.getErrorMessage(), 'foo')
+            self.assertEqual(flag2, defer.SUCCESS)
+            self.assertEqual(result, 'bar')
+        self.assertDeferredResult(d, check)
+
+
+    def test_stopOnFirstError(self):
+        """
+        If the C{stopOnFirstError} option is passed to C{runSequentially}, then
+        no further callables are called after the first exception is raised.
+        """
+        d = util._runSequentially([lambda: self.fail('foo'), lambda: 'bar'],
+                                  stopOnFirstError=True)
+        def check(results):
+            [(flag1, fail)] = results
+            fail.trap(self.failureException)
+            self.assertEqual(flag1, defer.FAILURE)
+            self.assertEqual(fail.getErrorMessage(), 'foo')
+        self.assertDeferredResult(d, check)
+
+
+
+class DirtyReactorAggregateErrorTest(SynchronousTestCase):
+    """
+    Tests for the L{DirtyReactorAggregateError}.
+    """
+
+    def test_formatDelayedCall(self):
+        """
+        Delayed calls are formatted nicely.
+        """
+        error = DirtyReactorAggregateError(["Foo", "bar"])
+        self.assertEqual(str(error),
+                          """\
+Reactor was unclean.
+DelayedCalls: (set twisted.internet.base.DelayedCall.debug = True to debug)
+Foo
+bar""")
+
+
+    def test_formatSelectables(self):
+        """
+        Selectables are formatted nicely.
+        """
+        error = DirtyReactorAggregateError([], ["selectable 1", "selectable 2"])
+        self.assertEqual(str(error),
+                          """\
+Reactor was unclean.
+Selectables:
+selectable 1
+selectable 2""")
+
+
+    def test_formatDelayedCallsAndSelectables(self):
+        """
+        Both delayed calls and selectables can appear in the same error.
+        """
+        error = DirtyReactorAggregateError(["bleck", "Boozo"],
+                                           ["Sel1", "Sel2"])
+        self.assertEqual(str(error),
+                          """\
+Reactor was unclean.
+DelayedCalls: (set twisted.internet.base.DelayedCall.debug = True to debug)
+bleck
+Boozo
+Selectables:
+Sel1
+Sel2""")
+
+
+
+class StubReactor(object):
+    """
+    A reactor stub which contains enough functionality to be used with the
+    L{_Janitor}.
+
+    @ivar iterations: A list of the arguments passed to L{iterate}.
+    @ivar removeAllCalled: Number of times that L{removeAll} was called.
+    @ivar selectables: The value that will be returned from L{removeAll}.
+    @ivar delayedCalls: The value to return from L{getDelayedCalls}.
+    """
+
+    def __init__(self, delayedCalls, selectables=None):
+        """
+        @param delayedCalls: See L{StubReactor.delayedCalls}.
+        @param selectables: See L{StubReactor.selectables}.
+        """
+        self.delayedCalls = delayedCalls
+        self.iterations = []
+        self.removeAllCalled = 0
+        if not selectables:
+            selectables = []
+        self.selectables = selectables
+
+
+    def iterate(self, timeout=None):
+        """
+        Increment C{self.iterations}.
+        """
+        self.iterations.append(timeout)
+
+
+    def getDelayedCalls(self):
+        """
+        Return C{self.delayedCalls}.
+        """
+        return self.delayedCalls
+
+
+    def removeAll(self):
+        """
+        Increment C{self.removeAllCalled} and return C{self.selectables}.
+        """
+        self.removeAllCalled += 1
+        return self.selectables
+
+
+
+class StubErrorReporter(object):
+    """
+    A subset of L{twisted.trial.itrial.IReporter} which records L{addError}
+    calls.
+
+    @ivar errors: List of two-tuples of (test, error) which were passed to
+        L{addError}.
+    """
+
+    def __init__(self):
+        self.errors = []
+
+
+    def addError(self, test, error):
+        """
+        Record parameters in C{self.errors}.
+        """
+        self.errors.append((test, error))
+
+
+
+class JanitorTests(SynchronousTestCase):
+    """
+    Tests for L{_Janitor}!
+    """
+
+    def test_cleanPendingSpinsReactor(self):
+        """
+        During pending-call cleanup, the reactor will be spun twice with an
+        instant timeout. This is not a requirement, it is only a test for
+        current behavior. Hopefully Trial will eventually not do this kind of
+        reactor stuff.
+        """
+        reactor = StubReactor([])
+        jan = _Janitor(None, None, reactor=reactor)
+        jan._cleanPending()
+        self.assertEqual(reactor.iterations, [0, 0])
+
+
+    def test_cleanPendingCancelsCalls(self):
+        """
+        During pending-call cleanup, the janitor cancels pending timed calls.
+        """
+        def func():
+            return "Lulz"
+        cancelled = []
+        delayedCall = DelayedCall(300, func, (), {},
+                                  cancelled.append, lambda x: None)
+        reactor = StubReactor([delayedCall])
+        jan = _Janitor(None, None, reactor=reactor)
+        jan._cleanPending()
+        self.assertEqual(cancelled, [delayedCall])
+
+
+    def test_cleanPendingReturnsDelayedCallStrings(self):
+        """
+        The Janitor produces string representations of delayed calls from the
+        delayed call cleanup method. It gets the string representations
+        *before* cancelling the calls; this is important because cancelling the
+        call removes critical debugging information from the string
+        representation.
+        """
+        delayedCall = DelayedCall(300, lambda: None, (), {},
+                                  lambda x: None, lambda x: None,
+                                  seconds=lambda: 0)
+        delayedCallString = str(delayedCall)
+        reactor = StubReactor([delayedCall])
+        jan = _Janitor(None, None, reactor=reactor)
+        strings = jan._cleanPending()
+        self.assertEqual(strings, [delayedCallString])
+
+
+    def test_cleanReactorRemovesSelectables(self):
+        """
+        The Janitor will remove selectables during reactor cleanup.
+        """
+        reactor = StubReactor([])
+        jan = _Janitor(None, None, reactor=reactor)
+        jan._cleanReactor()
+        self.assertEqual(reactor.removeAllCalled, 1)
+
+
+    def test_cleanReactorKillsProcesses(self):
+        """
+        The Janitor will kill processes during reactor cleanup.
+        """
+        @implementer(IProcessTransport)
+        class StubProcessTransport(object):
+            """
+            A stub L{IProcessTransport} provider which records signals.
+            @ivar signals: The signals passed to L{signalProcess}.
+            """
+
+            def __init__(self):
+                self.signals = []
+
+            def signalProcess(self, signal):
+                """
+                Append C{signal} to C{self.signals}.
+                """
+                self.signals.append(signal)
+
+        pt = StubProcessTransport()
+        reactor = StubReactor([], [pt])
+        jan = _Janitor(None, None, reactor=reactor)
+        jan._cleanReactor()
+        self.assertEqual(pt.signals, ["KILL"])
+
+
+    def test_cleanReactorReturnsSelectableStrings(self):
+        """
+        The Janitor returns string representations of the selectables that it
+        cleaned up from the reactor cleanup method.
+        """
+        class Selectable(object):
+            """
+            A stub Selectable which only has an interesting string
+            representation.
+            """
+            def __repr__(self):
+                return "(SELECTABLE!)"
+
+        reactor = StubReactor([], [Selectable()])
+        jan = _Janitor(None, None, reactor=reactor)
+        self.assertEqual(jan._cleanReactor(), ["(SELECTABLE!)"])
+
+
+    def test_postCaseCleanupNoErrors(self):
+        """
+        The post-case cleanup method will return True and not call C{addError}
+        on the result if there are no pending calls.
+        """
+        reactor = StubReactor([])
+        test = object()
+        reporter = StubErrorReporter()
+        jan = _Janitor(test, reporter, reactor=reactor)
+        self.assertTrue(jan.postCaseCleanup())
+        self.assertEqual(reporter.errors, [])
+
+
+    def test_postCaseCleanupWithErrors(self):
+        """
+        The post-case cleanup method will return False and call C{addError} on
+        the result with a L{DirtyReactorAggregateError} Failure if there are
+        pending calls.
+        """
+        delayedCall = DelayedCall(300, lambda: None, (), {},
+                                  lambda x: None, lambda x: None,
+                                  seconds=lambda: 0)
+        delayedCallString = str(delayedCall)
+        reactor = StubReactor([delayedCall], [])
+        test = object()
+        reporter = StubErrorReporter()
+        jan = _Janitor(test, reporter, reactor=reactor)
+        self.assertFalse(jan.postCaseCleanup())
+        self.assertEqual(len(reporter.errors), 1)
+        self.assertEqual(reporter.errors[0][1].value.delayedCalls,
+                          [delayedCallString])
+
+
+    def test_postClassCleanupNoErrors(self):
+        """
+        The post-class cleanup method will not call C{addError} on the result
+        if there are no pending calls or selectables.
+        """
+        reactor = StubReactor([])
+        test = object()
+        reporter = StubErrorReporter()
+        jan = _Janitor(test, reporter, reactor=reactor)
+        jan.postClassCleanup()
+        self.assertEqual(reporter.errors, [])
+
+
+    def test_postClassCleanupWithPendingCallErrors(self):
+        """
+        The post-class cleanup method call C{addError} on the result with a
+        L{DirtyReactorAggregateError} Failure if there are pending calls.
+        """
+        delayedCall = DelayedCall(300, lambda: None, (), {},
+                                  lambda x: None, lambda x: None,
+                                  seconds=lambda: 0)
+        delayedCallString = str(delayedCall)
+        reactor = StubReactor([delayedCall], [])
+        test = object()
+        reporter = StubErrorReporter()
+        jan = _Janitor(test, reporter, reactor=reactor)
+        jan.postClassCleanup()
+        self.assertEqual(len(reporter.errors), 1)
+        self.assertEqual(reporter.errors[0][1].value.delayedCalls,
+                          [delayedCallString])
+
+
+    def test_postClassCleanupWithSelectableErrors(self):
+        """
+        The post-class cleanup method call C{addError} on the result with a
+        L{DirtyReactorAggregateError} Failure if there are selectables.
+        """
+        selectable = "SELECTABLE HERE"
+        reactor = StubReactor([], [selectable])
+        test = object()
+        reporter = StubErrorReporter()
+        jan = _Janitor(test, reporter, reactor=reactor)
+        jan.postClassCleanup()
+        self.assertEqual(len(reporter.errors), 1)
+        self.assertEqual(reporter.errors[0][1].value.selectables,
+                          [repr(selectable)])
+
+
+
+class RemoveSafelyTests(SynchronousTestCase):
+    """
+    Tests for L{util._removeSafely}.
+    """
+    def test_removeSafelyNoTrialMarker(self):
+        """
+        If a path doesn't contain a node named C{"_trial_marker"}, that path is
+        not removed by L{util._removeSafely} and a L{util._NoTrialMarker}
+        exception is raised instead.
+        """
+        directory = self.mktemp().encode("utf-8")
+        os.mkdir(directory)
+        dirPath = filepath.FilePath(directory)
+        self.assertRaises(util._NoTrialMarker, util._removeSafely, dirPath)
+
+
+    def test_removeSafelyRemoveFailsMoveSucceeds(self):
+        """
+        If an L{OSError} is raised while removing a path in
+        L{util._removeSafely}, an attempt is made to move the path to a new
+        name.
+        """
+        def dummyRemove():
+            """
+            Raise an C{OSError} to emulate the branch of L{util._removeSafely}
+            in which path removal fails.
+            """
+            raise OSError()
+
+        # Patch stdout so we can check the print statements in _removeSafely
+        out = NativeStringIO()
+        self.patch(sys, 'stdout', out)
+
+        # Set up a trial directory with a _trial_marker
+        directory = self.mktemp().encode("utf-8")
+        os.mkdir(directory)
+        dirPath = filepath.FilePath(directory)
+        dirPath.child(b'_trial_marker').touch()
+        # Ensure that path.remove() raises an OSError
+        dirPath.remove = dummyRemove
+
+        util._removeSafely(dirPath)
+        self.assertIn("could not remove FilePath", out.getvalue())
+
+
+    def test_removeSafelyRemoveFailsMoveFails(self):
+        """
+        If an L{OSError} is raised while removing a path in
+        L{util._removeSafely}, an attempt is made to move the path to a new
+        name. If that attempt fails, the L{OSError} is re-raised.
+        """
+        def dummyRemove():
+            """
+            Raise an C{OSError} to emulate the branch of L{util._removeSafely}
+            in which path removal fails.
+            """
+            raise OSError("path removal failed")
+
+        def dummyMoveTo(path):
+            """
+            Raise an C{OSError} to emulate the branch of L{util._removeSafely}
+            in which path movement fails.
+            """
+            raise OSError("path movement failed")
+
+        # Patch stdout so we can check the print statements in _removeSafely
+        out = NativeStringIO()
+        self.patch(sys, 'stdout', out)
+
+        # Set up a trial directory with a _trial_marker
+        directory = self.mktemp().encode("utf-8")
+        os.mkdir(directory)
+        dirPath = filepath.FilePath(directory)
+        dirPath.child(b'_trial_marker').touch()
+
+        # Ensure that path.remove() and path.moveTo() both raise OSErrors
+        dirPath.remove = dummyRemove
+        dirPath.moveTo = dummyMoveTo
+
+        error = self.assertRaises(OSError, util._removeSafely, dirPath)
+        self.assertEqual(str(error), "path movement failed")
+        self.assertIn("could not remove FilePath", out.getvalue())
+
+
+
+class ExcInfoTests(SynchronousTestCase):
+    """
+    Tests for L{excInfoOrFailureToExcInfo}.
+    """
+    def test_excInfo(self):
+        """
+        L{excInfoOrFailureToExcInfo} returns exactly what it is passed, if it is
+        passed a tuple like the one returned by L{sys.exc_info}.
+        """
+        info = (ValueError, ValueError("foo"), None)
+        self.assertTrue(info is excInfoOrFailureToExcInfo(info))
+
+
+    def test_failure(self):
+        """
+        When called with a L{Failure} instance, L{excInfoOrFailureToExcInfo}
+        returns a tuple like the one returned by L{sys.exc_info}, with the
+        elements taken from the type, value, and traceback of the failure.
+        """
+        try:
+            1 / 0
+        except:
+            f = Failure()
+        self.assertEqual((f.type, f.value, f.tb), excInfoOrFailureToExcInfo(f))
+
+
+
+class AcquireAttributeTests(SynchronousTestCase):
+    """
+    Tests for L{acquireAttribute}.
+    """
+    def test_foundOnEarlierObject(self):
+        """
+        The value returned by L{acquireAttribute} is the value of the requested
+        attribute on the first object in the list passed in which has that
+        attribute.
+        """
+        self.value = value = object()
+        self.assertTrue(value is acquireAttribute([self, object()], "value"))
+
+
+    def test_foundOnLaterObject(self):
+        """
+        The same as L{test_foundOnEarlierObject}, but for the case where the 2nd
+        element in the object list has the attribute and the first does not.
+        """
+        self.value = value = object()
+        self.assertTrue(value is acquireAttribute([object(), self], "value"))
+
+
+    def test_notFoundException(self):
+        """
+        If none of the objects passed in the list to L{acquireAttribute} have
+        the requested attribute, L{AttributeError} is raised.
+        """
+        self.assertRaises(AttributeError, acquireAttribute, [object()], "foo")
+
+
+    def test_notFoundDefault(self):
+        """
+        If none of the objects passed in the list to L{acquireAttribute} have
+        the requested attribute and a default value is given, the default value
+        is returned.
+        """
+        default = object()
+        self.assertTrue(default is acquireAttribute([object()], "foo", default))
+
+
+
+class TestListToPhrase(SynchronousTestCase):
+    """
+    Input is transformed into a string representation of the list,
+    with each item separated by delimiter (defaulting to a comma) and the final
+    two being separated by a final delimiter.
+    """
+
+    def test_empty(self):
+        """
+        If things is empty, an empty string is returned.
+        """
+        sample = []
+        expected = ''
+        result = util._listToPhrase(sample, 'and')
+        self.assertEqual(expected, result)
+
+
+    def test_oneWord(self):
+        """
+        With a single item, the item is returned.
+        """
+        sample = ['One']
+        expected = 'One'
+        result = util._listToPhrase(sample, 'and')
+        self.assertEqual(expected, result)
+
+
+    def test_twoWords(self):
+        """
+        Two words are separated by the final delimiter.
+        """
+        sample = ['One', 'Two']
+        expected = 'One and Two'
+        result = util._listToPhrase(sample, 'and')
+        self.assertEqual(expected, result)
+
+
+    def test_threeWords(self):
+        """
+        With more than two words, the first two are separated by the delimiter.
+        """
+        sample = ['One', 'Two', 'Three']
+        expected = 'One, Two, and Three'
+        result = util._listToPhrase(sample, 'and')
+        self.assertEqual(expected, result)
+
+
+    def test_fourWords(self):
+        """
+        If a delimiter is specified, it is used instead of the default comma.
+        """
+        sample = ['One', 'Two', 'Three', 'Four']
+        expected = 'One; Two; Three; or Four'
+        result = util._listToPhrase(sample, 'or', delimiter='; ')
+        self.assertEqual(expected, result)
+
+
+    def test_notString(self):
+        """
+        If something in things is not a string, it is converted into one.
+        """
+        sample = [1, 2, 'three']
+        expected = '1, 2, and three'
+        result = util._listToPhrase(sample, 'and')
+        self.assertEqual(expected, result)
+
+
+    def test_stringTypeError(self):
+        """
+        If things is a string, a TypeError is raised.
+        """
+        sample = "One, two, three"
+        error = self.assertRaises(TypeError, util._listToPhrase, sample, 'and')
+        self.assertEqual(str(error), "Things must be a list or a tuple")
+
+
+    def test_iteratorTypeError(self):
+        """
+        If things is an iterator, a TypeError is raised.
+        """
+        sample = iter([1, 2, 3])
+        error = self.assertRaises(TypeError, util._listToPhrase, sample, 'and')
+        self.assertEqual(str(error), "Things must be a list or a tuple")
+
+
+    def test_generatorTypeError(self):
+        """
+        If things is a generator, a TypeError is raised.
+        """
+        def sample():
+            for i in range(2):
+                yield i
+        error = self.assertRaises(TypeError, util._listToPhrase, sample, 'and')
+        self.assertEqual(str(error), "Things must be a list or a tuple")

Linux/lib/python2.7/site-packages/twisted/trial/test/test_warning.py

@@ -0,0 +1,491 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Tests for Trial's interaction with the Python warning system.
+"""
+
+from __future__ import division, absolute_import
+
+import sys, warnings
+
+from unittest import TestResult
+
+from twisted.python.compat import NativeStringIO as StringIO
+from twisted.python.filepath import FilePath
+from twisted.trial.unittest import (
+    SynchronousTestCase, _collectWarnings, _setWarningRegistryToNone)
+
+class Mask(object):
+    """
+    Hide a test case definition from trial's automatic discovery mechanism.
+    """
+    class MockTests(SynchronousTestCase):
+        """
+        A test case which is used by L{FlushWarningsTests} to verify behavior
+        which cannot be verified by code inside a single test method.
+        """
+        message = "some warning text"
+        category = UserWarning
+
+        def test_unflushed(self):
+            """
+            Generate a warning and don't flush it.
+            """
+            warnings.warn(self.message, self.category)
+
+
+        def test_flushed(self):
+            """
+            Generate a warning and flush it.
+            """
+            warnings.warn(self.message, self.category)
+            self.assertEqual(len(self.flushWarnings()), 1)
+
+
+
+class FlushWarningsTests(SynchronousTestCase):
+    """
+    Tests for C{flushWarnings}, an API for examining the warnings
+    emitted so far in a test.
+    """
+
+    def assertDictSubset(self, set, subset):
+        """
+        Assert that all the keys present in C{subset} are also present in
+        C{set} and that the corresponding values are equal.
+        """
+        for k, v in subset.items():
+            self.assertEqual(set[k], v)
+
+
+    def assertDictSubsets(self, sets, subsets):
+        """
+        For each pair of corresponding elements in C{sets} and C{subsets},
+        assert that the element from C{subsets} is a subset of the element from
+        C{sets}.
+        """
+        self.assertEqual(len(sets), len(subsets))
+        for a, b in zip(sets, subsets):
+            self.assertDictSubset(a, b)
+
+
+    def test_none(self):
+        """
+        If no warnings are emitted by a test, C{flushWarnings} returns an empty
+        list.
+        """
+        self.assertEqual(self.flushWarnings(), [])
+
+
+    def test_several(self):
+        """
+        If several warnings are emitted by a test, C{flushWarnings} returns a
+        list containing all of them.
+        """
+        firstMessage = "first warning message"
+        firstCategory = UserWarning
+        warnings.warn(message=firstMessage, category=firstCategory)
+
+        secondMessage = "second warning message"
+        secondCategory = RuntimeWarning
+        warnings.warn(message=secondMessage, category=secondCategory)
+
+        self.assertDictSubsets(
+            self.flushWarnings(),
+            [{'category': firstCategory, 'message': firstMessage},
+             {'category': secondCategory, 'message': secondMessage}])
+
+
+    def test_repeated(self):
+        """
+        The same warning triggered twice from the same place is included twice
+        in the list returned by C{flushWarnings}.
+        """
+        message = "the message"
+        category = RuntimeWarning
+        for i in range(2):
+            warnings.warn(message=message, category=category)
+
+        self.assertDictSubsets(
+            self.flushWarnings(),
+            [{'category': category, 'message': message}] * 2)
+
+
+    def test_cleared(self):
+        """
+        After a particular warning event has been returned by C{flushWarnings},
+        it is not returned by subsequent calls.
+        """
+        message = "the message"
+        category = RuntimeWarning
+        warnings.warn(message=message, category=category)
+        self.assertDictSubsets(
+            self.flushWarnings(),
+            [{'category': category, 'message': message}])
+        self.assertEqual(self.flushWarnings(), [])
+
+
+    def test_unflushed(self):
+        """
+        Any warnings emitted by a test which are not flushed are emitted to the
+        Python warning system.
+        """
+        result = TestResult()
+        case = Mask.MockTests('test_unflushed')
+        case.run(result)
+        warningsShown = self.flushWarnings([Mask.MockTests.test_unflushed])
+        self.assertEqual(warningsShown[0]['message'], 'some warning text')
+        self.assertIdentical(warningsShown[0]['category'], UserWarning)
+
+        where = type(case).test_unflushed.__code__
+        filename = where.co_filename
+        # If someone edits MockTests.test_unflushed, the value added to
+        # firstlineno might need to change.
+        lineno = where.co_firstlineno + 4
+
+        self.assertEqual(warningsShown[0]['filename'], filename)
+        self.assertEqual(warningsShown[0]['lineno'], lineno)
+
+        self.assertEqual(len(warningsShown), 1)
+
+
+    def test_flushed(self):
+        """
+        Any warnings emitted by a test which are flushed are not emitted to the
+        Python warning system.
+        """
+        result = TestResult()
+        case = Mask.MockTests('test_flushed')
+        output = StringIO()
+        monkey = self.patch(sys, 'stdout', output)
+        case.run(result)
+        monkey.restore()
+        self.assertEqual(output.getvalue(), "")
+
+
+    def test_warningsConfiguredAsErrors(self):
+        """
+        If a warnings filter has been installed which turns warnings into
+        exceptions, tests have an error added to the reporter for them for each
+        unflushed warning.
+        """
+        class CustomWarning(Warning):
+            pass
+
+        result = TestResult()
+        case = Mask.MockTests('test_unflushed')
+        case.category = CustomWarning
+
+        originalWarnings = warnings.filters[:]
+        try:
+            warnings.simplefilter('error')
+            case.run(result)
+            self.assertEqual(len(result.errors), 1)
+            self.assertIdentical(result.errors[0][0], case)
+            self.assertTrue(
+                # Different python versions differ in whether they report the
+                # fully qualified class name or just the class name.
+                result.errors[0][1].splitlines()[-1].endswith(
+                    "CustomWarning: some warning text"))
+        finally:
+            warnings.filters[:] = originalWarnings
+
+
+    def test_flushedWarningsConfiguredAsErrors(self):
+        """
+        If a warnings filter has been installed which turns warnings into
+        exceptions, tests which emit those warnings but flush them do not have
+        an error added to the reporter.
+        """
+        class CustomWarning(Warning):
+            pass
+
+        result = TestResult()
+        case = Mask.MockTests('test_flushed')
+        case.category = CustomWarning
+
+        originalWarnings = warnings.filters[:]
+        try:
+            warnings.simplefilter('error')
+            case.run(result)
+            self.assertEqual(result.errors, [])
+        finally:
+            warnings.filters[:] = originalWarnings
+
+
+    def test_multipleFlushes(self):
+        """
+        Any warnings emitted after a call to C{flushWarnings} can be flushed by
+        another call to C{flushWarnings}.
+        """
+        warnings.warn("first message")
+        self.assertEqual(len(self.flushWarnings()), 1)
+        warnings.warn("second message")
+        self.assertEqual(len(self.flushWarnings()), 1)
+
+
+    def test_filterOnOffendingFunction(self):
+        """
+        The list returned by C{flushWarnings} includes only those
+        warnings which refer to the source of the function passed as the value
+        for C{offendingFunction}, if a value is passed for that parameter.
+        """
+        firstMessage = "first warning text"
+        firstCategory = UserWarning
+        def one():
+            warnings.warn(firstMessage, firstCategory, stacklevel=1)
+
+        secondMessage = "some text"
+        secondCategory = RuntimeWarning
+        def two():
+            warnings.warn(secondMessage, secondCategory, stacklevel=1)
+
+        one()
+        two()
+
+        self.assertDictSubsets(
+            self.flushWarnings(offendingFunctions=[one]),
+            [{'category': firstCategory, 'message': firstMessage}])
+        self.assertDictSubsets(
+            self.flushWarnings(offendingFunctions=[two]),
+            [{'category': secondCategory, 'message': secondMessage}])
+
+
+    def test_functionBoundaries(self):
+        """
+        Verify that warnings emitted at the very edges of a function are still
+        determined to be emitted from that function.
+        """
+        def warner():
+            warnings.warn("first line warning")
+            warnings.warn("internal line warning")
+            warnings.warn("last line warning")
+
+        warner()
+        self.assertEqual(
+            len(self.flushWarnings(offendingFunctions=[warner])), 3)
+
+
+    def test_invalidFilter(self):
+        """
+        If an object which is neither a function nor a method is included in the
+        C{offendingFunctions} list, C{flushWarnings} raises L{ValueError}.  Such
+        a call flushes no warnings.
+        """
+        warnings.warn("oh no")
+        self.assertRaises(ValueError, self.flushWarnings, [None])
+        self.assertEqual(len(self.flushWarnings()), 1)
+
+
+    def test_missingSource(self):
+        """
+        Warnings emitted by a function the source code of which is not
+        available can still be flushed.
+        """
+        package = FilePath(self.mktemp().encode('utf-8')).child(b'twisted_private_helper')
+        package.makedirs()
+        package.child(b'__init__.py').setContent(b'')
+        package.child(b'missingsourcefile.py').setContent(b'''
+import warnings
+def foo():
+    warnings.warn("oh no")
+''')
+        pathEntry = package.parent().path.decode('utf-8')
+        sys.path.insert(0, pathEntry)
+        self.addCleanup(sys.path.remove, pathEntry)
+        from twisted_private_helper import missingsourcefile
+        self.addCleanup(sys.modules.pop, 'twisted_private_helper')
+        self.addCleanup(sys.modules.pop, missingsourcefile.__name__)
+        package.child(b'missingsourcefile.py').remove()
+
+        missingsourcefile.foo()
+        self.assertEqual(len(self.flushWarnings([missingsourcefile.foo])), 1)
+
+
+    def test_renamedSource(self):
+        """
+        Warnings emitted by a function defined in a file which has been renamed
+        since it was initially compiled can still be flushed.
+
+        This is testing the code which specifically supports working around the
+        unfortunate behavior of CPython to write a .py source file name into
+        the .pyc files it generates and then trust that it is correct in
+        various places.  If source files are renamed, .pyc files may not be
+        regenerated, but they will contain incorrect filenames.
+        """
+        package = FilePath(self.mktemp().encode('utf-8')).child(b'twisted_private_helper')
+        package.makedirs()
+        package.child(b'__init__.py').setContent(b'')
+        package.child(b'module.py').setContent(b'''
+import warnings
+def foo():
+    warnings.warn("oh no")
+''')
+        pathEntry = package.parent().path.decode('utf-8')
+        sys.path.insert(0, pathEntry)
+        self.addCleanup(sys.path.remove, pathEntry)
+
+        # Import it to cause pycs to be generated
+        from twisted_private_helper import module
+
+        # Clean up the state resulting from that import; we're not going to use
+        # this module, so it should go away.
+        del sys.modules['twisted_private_helper']
+        del sys.modules[module.__name__]
+
+        # Some Python versions have extra state related to the just
+        # imported/renamed package.  Clean it up too.  See also
+        # http://bugs.python.org/issue15912
+        try:
+            from importlib import invalidate_caches
+        except ImportError:
+            pass
+        else:
+            invalidate_caches()
+
+        # Rename the source directory
+        package.moveTo(package.sibling(b'twisted_renamed_helper'))
+
+        # Import the newly renamed version
+        from twisted_renamed_helper import module
+        self.addCleanup(sys.modules.pop, 'twisted_renamed_helper')
+        self.addCleanup(sys.modules.pop, module.__name__)
+
+        # Generate the warning
+        module.foo()
+
+        # Flush it
+        self.assertEqual(len(self.flushWarnings([module.foo])), 1)
+
+
+
+class FakeWarning(Warning):
+    pass
+
+
+
+class CollectWarningsTests(SynchronousTestCase):
+    """
+    Tests for L{_collectWarnings}.
+    """
+    def test_callsObserver(self):
+        """
+        L{_collectWarnings} calls the observer with each emitted warning.
+        """
+        firstMessage = "dummy calls observer warning"
+        secondMessage = firstMessage[::-1]
+        events = []
+        def f():
+            events.append('call')
+            warnings.warn(firstMessage)
+            warnings.warn(secondMessage)
+            events.append('returning')
+
+        _collectWarnings(events.append, f)
+
+        self.assertEqual(events[0], 'call')
+        self.assertEqual(events[1].message, firstMessage)
+        self.assertEqual(events[2].message, secondMessage)
+        self.assertEqual(events[3], 'returning')
+        self.assertEqual(len(events), 4)
+
+
+    def test_suppresses(self):
+        """
+        Any warnings emitted by a call to a function passed to
+        L{_collectWarnings} are not actually emitted to the warning system.
+        """
+        output = StringIO()
+        self.patch(sys, 'stdout', output)
+        _collectWarnings(lambda x: None, warnings.warn, "text")
+        self.assertEqual(output.getvalue(), "")
+
+
+    def test_callsFunction(self):
+        """
+        L{_collectWarnings} returns the result of calling the callable passed to
+        it with the parameters given.
+        """
+        arguments = []
+        value = object()
+
+        def f(*args, **kwargs):
+            arguments.append((args, kwargs))
+            return value
+
+        result = _collectWarnings(lambda x: None, f, 1, 'a', b=2, c='d')
+        self.assertEqual(arguments, [((1, 'a'), {'b': 2, 'c': 'd'})])
+        self.assertIdentical(result, value)
+
+
+    def test_duplicateWarningCollected(self):
+        """
+        Subsequent emissions of a warning from a particular source site can be
+        collected by L{_collectWarnings}.  In particular, the per-module
+        emitted-warning cache should be bypassed (I{__warningregistry__}).
+        """
+        # Make sure the worst case is tested: if __warningregistry__ isn't in a
+        # module's globals, then the warning system will add it and start using
+        # it to avoid emitting duplicate warnings.  Delete __warningregistry__
+        # to ensure that even modules which are first imported as a test is
+        # running still interact properly with the warning system.
+        global __warningregistry__
+        del __warningregistry__
+
+        def f():
+            warnings.warn("foo")
+        warnings.simplefilter('default')
+        f()
+        events = []
+        _collectWarnings(events.append, f)
+        self.assertEqual(len(events), 1)
+        self.assertEqual(events[0].message, "foo")
+        self.assertEqual(len(self.flushWarnings()), 1)
+
+
+    def test_immutableObject(self):
+        """
+        L{_collectWarnings}'s behavior is not altered by the presence of an
+        object which cannot have attributes set on it as a value in
+        C{sys.modules}.
+        """
+        key = object()
+        sys.modules[key] = key
+        self.addCleanup(sys.modules.pop, key)
+        self.test_duplicateWarningCollected()
+
+
+    def test_setWarningRegistryChangeWhileIterating(self):
+        """
+        If the dictionary passed to L{_setWarningRegistryToNone} changes size
+        partway through the process, C{_setWarningRegistryToNone} continues to
+        set C{__warningregistry__} to C{None} on the rest of the values anyway.
+
+
+        This might be caused by C{sys.modules} containing something that's not
+        really a module and imports things on setattr.  py.test does this, as
+        does L{twisted.python.deprecate.deprecatedModuleAttribute}.
+        """
+        d = {}
+
+        class A(object):
+            def __init__(self, key):
+                self.__dict__['_key'] = key
+
+            def __setattr__(self, value, item):
+                d[self._key] = None
+
+        key1 = object()
+        key2 = object()
+        d[key1] = A(key2)
+
+        key3 = object()
+        key4 = object()
+        d[key3] = A(key4)
+
+        _setWarningRegistryToNone(d)
+
+        # If both key2 and key4 were added, then both A instanced were
+        # processed.
+        self.assertEqual(set([key1, key2, key3, key4]), set(d.keys()))

Linux/lib/python2.7/site-packages/twisted/trial/test/weird.py

@@ -0,0 +1,23 @@
+from __future__ import division, absolute_import
+
+import unittest
+
+from twisted.internet import defer
+
+# Used in test_tests.TestUnhandledDeferred
+
+class TestBleeding(unittest.TestCase):
+    """This test creates an unhandled Deferred and leaves it in a cycle.
+
+    The Deferred is left in a cycle so that the garbage collector won't pick it
+    up immediately.  We were having some problems where unhandled Deferreds in
+    one test were failing random other tests. (See #1507, #1213)
+    """
+    def test_unhandledDeferred(self):
+        try:
+            1/0
+        except ZeroDivisionError:
+            f = defer.fail()
+        # these two lines create the cycle. don't remove them
+        l = [f]
+        l.append(l)