text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """Tests for the fake file entry implementation."""
  
  import unittest
  
  from dfvfs.lib import definitions
  from dfvfs.path import fake_path_spec
  from dfvfs.resolver import context
  from dfvfs.vfs import fake_file_entry
  from dfvfs.vfs import fake_file_system
  
  from tests import test_lib as shared_test_lib
  
  
  class FakeDirectoryTest(shared_test_lib.BaseTestCase):
    """Tests the fake directory."""
  
    def setUp(self):
      """Sets up the needed objects used throughout the test."""
      self._resolver_context = context.Context()
      self._fake_path_spec = fake_path_spec.FakePathSpec(location='/')
  
      self._file_system = fake_file_system.FakeFileSystem(
          self._resolver_context, self._fake_path_spec)
  
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake',
          file_entry_type=definitions.FILE_ENTRY_TYPE_DIRECTORY)
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file1.txt', file_data=b'FILE1')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file2.txt', file_data=b'FILE2')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file3.txt', file_data=b'FILE3')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file4.txt', file_data=b'FILE4')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file5.txt', file_data=b'FILE5')
  
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/link1.txt',
          file_entry_type=definitions.FILE_ENTRY_TYPE_LINK,
          link_data='/test_data/testdir_fake/file1.txt')
  
      self._test_file = '/test_data/testdir_fake'
  
      self._file_system.Open()
  
    def tearDown(self):
      """Cleans up the needed objects used throughout the test."""
      self._resolver_context.Empty()
  
    def testInitialize(self):
      """Tests the __init__ function."""
      directory = fake_file_entry.FakeDirectory(
          self._file_system, self._fake_path_spec)
  
      self.assertIsNotNone(directory)
  
    def testEntriesGenerator(self):
      """Tests the _EntriesGenerator function."""
      directory = fake_file_entry.FakeDirectory(
          self._file_system, self._fake_path_spec)
  
      self.assertIsNotNone(directory)
  
      entries = list(directory.entries)
      self.assertEqual(len(entries), 0)
  
  
  class FakeFileEntryTest(shared_test_lib.BaseTestCase):
    """Tests for the fake file entry."""
  
    def setUp(self):
      """Sets up the needed objects used throughout the test."""
      self._resolver_context = context.Context()
      self._fake_path_spec = fake_path_spec.FakePathSpec(location='/')
      self._file_system = fake_file_system.FakeFileSystem(
          self._resolver_context, self._fake_path_spec)
  
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake',
          file_entry_type=definitions.FILE_ENTRY_TYPE_DIRECTORY)
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file1.txt', file_data=b'FILE1')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file2.txt', file_data=b'FILE2')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file3.txt', file_data=b'FILE3')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file4.txt', file_data=b'FILE4')
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/file5.txt', file_data=b'FILE5')
  
      self._file_system.AddFileEntry(
          '/test_data/testdir_fake/link1.txt',
          file_entry_type=definitions.FILE_ENTRY_TYPE_LINK,
          link_data='/test_data/testdir_fake/file1.txt')
  
      self._test_file = '/test_data/testdir_fake'
  
      self._file_system.Open()
  
    def tearDown(self):
      """Cleans up the needed objects used throughout the test."""
      self._resolver_context.Empty()
  
    def testIntialize(self):
      """Test the __init__ function."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
  
    # TODO: add tests for _GetDirectory
    # TODO: add tests for _GetLink
    # TODO: add tests for _GetSubFileEntries
  
    def testAccessTime(self):
      """Test the access_time property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertIsNotNone(file_entry.access_time)
  
    def testChangeTime(self):
      """Test the change_time property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertIsNotNone(file_entry.change_time)
  
    def testCreationTime(self):
      """Test the creation_time property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertIsNone(file_entry.creation_time)
  
    def testModificationTime(self):
      """Test the modification_time property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertIsNotNone(file_entry.modification_time)
  
    def testName(self):
      """Test the name property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertEqual(file_entry.name, 'testdir_fake')
  
    def testSize(self):
      """Test the size property."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = fake_file_entry.FakeFileEntry(
          self._resolver_context, self._file_system, path_spec)
  
      self.assertIsNotNone(file_entry)
      self.assertIsNone(file_entry.size)
  
    def testGetFileEntryByPathSpec(self):
      """Test the get a file entry by path specification functionality."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
  
      self.assertIsNotNone(file_entry)
  
    def testGetFileObject(self):
      """Test the get file object functionality."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      file_object = file_entry.GetFileObject()
  
      self.assertIsNotNone(file_object)
  
      file_data = file_object.read()
      self.assertEqual(file_data, b'FILE1')
  
    def testGetParentFileEntry(self):
      """Tests the GetParentFileEntry function."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      parent_file_entry = file_entry.GetParentFileEntry()
  
      self.assertIsNotNone(parent_file_entry)
  
      self.assertEqual(parent_file_entry.name, 'testdir_fake')
  
    def testGetStat(self):
      """Tests the GetStat function."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      stat_object = file_entry.GetStat()
  
      self.assertIsNotNone(stat_object)
      self.assertEqual(stat_object.type, stat_object.TYPE_FILE)
      self.assertEqual(stat_object.size, 5)
  
      # The date and time values are in a seconds precision and
      # cannot be predetermined.
      self.assertNotEqual(stat_object.atime, 0)
      self.assertNotEqual(stat_object.ctime, 0)
      self.assertNotEqual(stat_object.mtime, 0)
  
    def testIsFunctions(self):
      """Test the Is? functions."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertFalse(file_entry.IsRoot())
      self.assertTrue(file_entry.IsVirtual())
      self.assertTrue(file_entry.IsAllocated())
  
      self.assertFalse(file_entry.IsDevice())
      self.assertFalse(file_entry.IsDirectory())
      self.assertTrue(file_entry.IsFile())
      self.assertFalse(file_entry.IsLink())
      self.assertFalse(file_entry.IsPipe())
      self.assertFalse(file_entry.IsSocket())
  
      test_file = '/test_data/testdir_fake'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertFalse(file_entry.IsRoot())
      self.assertTrue(file_entry.IsVirtual())
      self.assertTrue(file_entry.IsAllocated())
  
      self.assertFalse(file_entry.IsDevice())
      self.assertTrue(file_entry.IsDirectory())
      self.assertFalse(file_entry.IsFile())
      self.assertFalse(file_entry.IsLink())
      self.assertFalse(file_entry.IsPipe())
      self.assertFalse(file_entry.IsSocket())
  
      test_file = '/test_data/testdir_fake/link1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertFalse(file_entry.IsRoot())
      self.assertTrue(file_entry.IsVirtual())
      self.assertTrue(file_entry.IsAllocated())
  
      self.assertFalse(file_entry.IsDevice())
      self.assertFalse(file_entry.IsDirectory())
      self.assertFalse(file_entry.IsFile())
      self.assertTrue(file_entry.IsLink())
      self.assertFalse(file_entry.IsPipe())
      self.assertFalse(file_entry.IsSocket())
  
    def testLink(self):
      """Test the link property functionality."""
      test_file = '/test_data/testdir_fake/link1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertEqual(file_entry.link, '/test_data/testdir_fake/file1.txt')
  
    def testSubFileEntries(self):
      """Test the sub file entries iteration functionality."""
      path_spec = fake_path_spec.FakePathSpec(location=self._test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertEqual(file_entry.number_of_sub_file_entries, 6)
  
      expected_sub_file_entry_names = [
          'file1.txt', 'file2.txt', 'file3.txt', 'file4.txt', 'file5.txt',
          'link1.txt']
  
      sub_file_entry_names = []
      for sub_file_entry in file_entry.sub_file_entries:
        sub_file_entry_names.append(sub_file_entry.name)
  
      self.assertEqual(
          len(sub_file_entry_names), len(expected_sub_file_entry_names))
      self.assertEqual(
          sorted(sub_file_entry_names), expected_sub_file_entry_names)
  
    def testDataStreams(self):
      """Test the data streams functionality."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertEqual(file_entry.number_of_data_streams, 1)
  
      data_stream_names = []
      for data_stream in file_entry.data_streams:
        data_stream_names.append(data_stream.name)
  
      self.assertEqual(data_stream_names, [''])
  
      test_file = '/test_data/testdir_fake'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertEqual(file_entry.number_of_data_streams, 0)
  
      data_stream_names = []
      for data_stream in file_entry.data_streams:
        data_stream_names.append(data_stream.name)
  
      self.assertEqual(data_stream_names, [])
  
      test_file = '/test_data/testdir_fake/link1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      self.assertEqual(file_entry.number_of_data_streams, 0)
  
      data_stream_names = []
      for data_stream in file_entry.data_streams:
        data_stream_names.append(data_stream.name)
  
      self.assertEqual(data_stream_names, [])
  
    def testGetDataStream(self):
      """Tests the GetDataStream function."""
      test_file = '/test_data/testdir_fake/file1.txt'
      path_spec = fake_path_spec.FakePathSpec(location=test_file)
      file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
      self.assertIsNotNone(file_entry)
  
      data_stream_name = ''
      data_stream = file_entry.GetDataStream(data_stream_name)
      self.assertIsNotNone(data_stream)
      self.assertEqual(data_stream.name, data_stream_name)
  
      data_stream = file_entry.GetDataStream('bogus')
      self.assertIsNone(data_stream)
  
  
  if __name__ == '__main__':
    unittest.main()
  