update windows build to Python 3.7

Lib/distutils/tests/test_dir_util.py

@@ -0,0 +1,139 @@
+"""Tests for distutils.dir_util."""
+import unittest
+import os
+import stat
+import sys
+from unittest.mock import patch
+
+from distutils import dir_util, errors
+from distutils.dir_util import (mkpath, remove_tree, create_tree, copy_tree,
+                                ensure_relative)
+
+from distutils import log
+from distutils.tests import support
+from test.support import run_unittest
+
+
+class DirUtilTestCase(support.TempdirManager, unittest.TestCase):
+
+    def _log(self, msg, *args):
+        if len(args) > 0:
+            self._logs.append(msg % args)
+        else:
+            self._logs.append(msg)
+
+    def setUp(self):
+        super(DirUtilTestCase, self).setUp()
+        self._logs = []
+        tmp_dir = self.mkdtemp()
+        self.root_target = os.path.join(tmp_dir, 'deep')
+        self.target = os.path.join(self.root_target, 'here')
+        self.target2 = os.path.join(tmp_dir, 'deep2')
+        self.old_log = log.info
+        log.info = self._log
+
+    def tearDown(self):
+        log.info = self.old_log
+        super(DirUtilTestCase, self).tearDown()
+
+    def test_mkpath_remove_tree_verbosity(self):
+
+        mkpath(self.target, verbose=0)
+        wanted = []
+        self.assertEqual(self._logs, wanted)
+        remove_tree(self.root_target, verbose=0)
+
+        mkpath(self.target, verbose=1)
+        wanted = ['creating %s' % self.root_target,
+                  'creating %s' % self.target]
+        self.assertEqual(self._logs, wanted)
+        self._logs = []
+
+        remove_tree(self.root_target, verbose=1)
+        wanted = ["removing '%s' (and everything under it)" % self.root_target]
+        self.assertEqual(self._logs, wanted)
+
+    @unittest.skipIf(sys.platform.startswith('win'),
+        "This test is only appropriate for POSIX-like systems.")
+    def test_mkpath_with_custom_mode(self):
+        # Get and set the current umask value for testing mode bits.
+        umask = os.umask(0o002)
+        os.umask(umask)
+        mkpath(self.target, 0o700)
+        self.assertEqual(
+            stat.S_IMODE(os.stat(self.target).st_mode), 0o700 & ~umask)
+        mkpath(self.target2, 0o555)
+        self.assertEqual(
+            stat.S_IMODE(os.stat(self.target2).st_mode), 0o555 & ~umask)
+
+    def test_create_tree_verbosity(self):
+
+        create_tree(self.root_target, ['one', 'two', 'three'], verbose=0)
+        self.assertEqual(self._logs, [])
+        remove_tree(self.root_target, verbose=0)
+
+        wanted = ['creating %s' % self.root_target]
+        create_tree(self.root_target, ['one', 'two', 'three'], verbose=1)
+        self.assertEqual(self._logs, wanted)
+
+        remove_tree(self.root_target, verbose=0)
+
+    def test_copy_tree_verbosity(self):
+
+        mkpath(self.target, verbose=0)
+
+        copy_tree(self.target, self.target2, verbose=0)
+        self.assertEqual(self._logs, [])
+
+        remove_tree(self.root_target, verbose=0)
+
+        mkpath(self.target, verbose=0)
+        a_file = os.path.join(self.target, 'ok.txt')
+        with open(a_file, 'w') as f:
+            f.write('some content')
+
+        wanted = ['copying %s -> %s' % (a_file, self.target2)]
+        copy_tree(self.target, self.target2, verbose=1)
+        self.assertEqual(self._logs, wanted)
+
+        remove_tree(self.root_target, verbose=0)
+        remove_tree(self.target2, verbose=0)
+
+    def test_copy_tree_skips_nfs_temp_files(self):
+        mkpath(self.target, verbose=0)
+
+        a_file = os.path.join(self.target, 'ok.txt')
+        nfs_file = os.path.join(self.target, '.nfs123abc')
+        for f in a_file, nfs_file:
+            with open(f, 'w') as fh:
+                fh.write('some content')
+
+        copy_tree(self.target, self.target2)
+        self.assertEqual(os.listdir(self.target2), ['ok.txt'])
+
+        remove_tree(self.root_target, verbose=0)
+        remove_tree(self.target2, verbose=0)
+
+    def test_ensure_relative(self):
+        if os.sep == '/':
+            self.assertEqual(ensure_relative('/home/foo'), 'home/foo')
+            self.assertEqual(ensure_relative('some/path'), 'some/path')
+        else:   # \\
+            self.assertEqual(ensure_relative('c:\\home\\foo'), 'c:home\\foo')
+            self.assertEqual(ensure_relative('home\\foo'), 'home\\foo')
+
+    def test_copy_tree_exception_in_listdir(self):
+        """
+        An exception in listdir should raise a DistutilsFileError
+        """
+        with patch("os.listdir", side_effect=OSError()), \
+             self.assertRaises(errors.DistutilsFileError):
+            src = self.tempdirs[-1]
+            dir_util.copy_tree(src, None)
+
+
+def test_suite():
+    return unittest.makeSuite(DirUtilTestCase)
+
+if __name__ == "__main__":
+    run_unittest(test_suite())