def test_file_permissions(self):
     mock_files = {'foo': '', 'bar': '', 'a': ''}
     filesystem = MockFileSystem(files=mock_files)
     filesystem.make_executable('foo')
     self.assertEquals(filesystem.executable_files, set(['foo']))
 def test_file_permissions(self):
     mock_files = {'foo': '', 'bar': '', 'a': ''}
     filesystem = MockFileSystem(files=mock_files)
     filesystem.make_executable('foo')
     self.assertEquals(filesystem.executable_files, set(['foo']))