114 lines
4 KiB
Python
114 lines
4 KiB
Python
"""
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Use this module to get and run all tk tests.
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Tkinter tests should live in a package inside the directory where this file
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lives, like test_tkinter.
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Extensions also should live in packages following the same rule as above.
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"""
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import os
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import sys
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import unittest
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import importlib
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import test.test_support
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this_dir_path = os.path.abspath(os.path.dirname(__file__))
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_tk_unavailable = None
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def check_tk_availability():
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"""Check that Tk is installed and available."""
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global _tk_unavailable
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if _tk_unavailable is None:
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_tk_unavailable = False
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if sys.platform == 'darwin':
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# The Aqua Tk implementations on OS X can abort the process if
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# being called in an environment where a window server connection
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# cannot be made, for instance when invoked by a buildbot or ssh
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# process not running under the same user id as the current console
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# user. To avoid that, raise an exception if the window manager
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# connection is not available.
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from ctypes import cdll, c_int, pointer, Structure
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from ctypes.util import find_library
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app_services = cdll.LoadLibrary(find_library("ApplicationServices"))
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if app_services.CGMainDisplayID() == 0:
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_tk_unavailable = "cannot run without OS X window manager"
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else:
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class ProcessSerialNumber(Structure):
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_fields_ = [("highLongOfPSN", c_int),
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("lowLongOfPSN", c_int)]
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psn = ProcessSerialNumber()
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psn_p = pointer(psn)
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if ( (app_services.GetCurrentProcess(psn_p) < 0) or
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(app_services.SetFrontProcess(psn_p) < 0) ):
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_tk_unavailable = "cannot run without OS X gui process"
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else: # not OS X
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import Tkinter
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try:
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Tkinter.Button()
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except Tkinter.TclError as msg:
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# assuming tk is not available
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_tk_unavailable = "tk not available: %s" % msg
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if _tk_unavailable:
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raise unittest.SkipTest(_tk_unavailable)
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return
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def is_package(path):
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for name in os.listdir(path):
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if name in ('__init__.py', '__init__.pyc', '__init.pyo'):
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return True
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return False
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def get_tests_modules(basepath=this_dir_path, gui=True, packages=None):
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"""This will import and yield modules whose names start with test_
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and are inside packages found in the path starting at basepath.
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If packages is specified it should contain package names that want
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their tests colleted.
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"""
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py_ext = '.py'
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for dirpath, dirnames, filenames in os.walk(basepath):
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for dirname in list(dirnames):
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if dirname[0] == '.':
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dirnames.remove(dirname)
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if is_package(dirpath) and filenames:
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pkg_name = dirpath[len(basepath) + len(os.sep):].replace('/', '.')
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if packages and pkg_name not in packages:
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continue
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filenames = filter(
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lambda x: x.startswith('test_') and x.endswith(py_ext),
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filenames)
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for name in filenames:
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try:
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yield importlib.import_module(
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".%s" % name[:-len(py_ext)], pkg_name)
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except test.test_support.ResourceDenied:
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if gui:
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raise
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def get_tests(text=True, gui=True, packages=None):
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"""Yield all the tests in the modules found by get_tests_modules.
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If nogui is True, only tests that do not require a GUI will be
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returned."""
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attrs = []
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if text:
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attrs.append('tests_nogui')
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if gui:
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attrs.append('tests_gui')
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for module in get_tests_modules(gui=gui, packages=packages):
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for attr in attrs:
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for test in getattr(module, attr, ()):
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yield test
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if __name__ == "__main__":
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test.test_support.use_resources = ['gui']
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test.test_support.run_unittest(*get_tests())
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