[Telemetry] Add pyfakefs to telemetry/third_party

tools/telemetry/third_party/pyfakefs/pyfakefs/fake_filesystem_glob_test.py

+#! /usr/bin/env python
+#
+# Copyright 2009 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Test for fake_filesystem_glob."""
+
+import doctest
+import sys
+if sys.version_info < (2, 7):
+    import unittest2 as unittest
+else:
+    import unittest
+
+import fake_filesystem
+import fake_filesystem_glob
+
+
+class FakeGlobUnitTest(unittest.TestCase):
+
+  def setUp(self):
+    self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
+    self.glob = fake_filesystem_glob.FakeGlobModule(self.filesystem)
+    directory = './xyzzy'
+    self.filesystem.CreateDirectory(directory)
+    self.filesystem.CreateDirectory('%s/subdir' % directory)
+    self.filesystem.CreateDirectory('%s/subdir2' % directory)
+    self.filesystem.CreateFile('%s/subfile' % directory)
+    self.filesystem.CreateFile('[Temp]')
+
+  def testGlobEmpty(self):
+    self.assertEqual(self.glob.glob(''), [])
+
+  def testGlobStar(self):
+    self.assertEqual(['/xyzzy/subdir', '/xyzzy/subdir2', '/xyzzy/subfile'],
+                     self.glob.glob('/xyzzy/*'))
+
+  def testGlobExact(self):
+    self.assertEqual(['/xyzzy'], self.glob.glob('/xyzzy'))
+    self.assertEqual(['/xyzzy/subfile'], self.glob.glob('/xyzzy/subfile'))
+
+  def testGlobQuestion(self):
+    self.assertEqual(['/xyzzy/subdir', '/xyzzy/subdir2', '/xyzzy/subfile'],
+                     self.glob.glob('/x?zz?/*'))
+
+  def testGlobNoMagic(self):
+    self.assertEqual(['/xyzzy'], self.glob.glob('/xyzzy'))
+    self.assertEqual(['/xyzzy/subdir'], self.glob.glob('/xyzzy/subdir'))
+
+  def testNonExistentPath(self):
+    self.assertEqual([], self.glob.glob('nonexistent'))
+
+  def testDocTest(self):
+    self.assertFalse(doctest.testmod(fake_filesystem_glob)[0])
+
+  def testMagicDir(self):
+    self.assertEqual(['/[Temp]'], self.glob.glob('/*emp*'))
+
+  def testRootGlob(self):
+    self.assertEqual(['[Temp]', 'xyzzy'], self.glob.glob('*'))
+
+  def testGlob1(self):
+    self.assertEqual(['[Temp]'], self.glob.glob1('/', '*Tem*'))
+
+  def testHasMagic(self):
+    self.assertTrue(self.glob.has_magic('['))
+    self.assertFalse(self.glob.has_magic('a'))
+
+
+if __name__ == '__main__':
+  unittest.main()