def test_posix_backend_failed_write(self): """Test writing to a failed file.""" backend = PosixBackendArchive('/tmp/') # test failed write backend.open('1234', 'w') # easiest way to unit test is look at class variable # pylint: disable=protected-access backend._file.write = mock.MagicMock( side_effect=IOError('Unable to Write!')) # pylint: enable=protected-access with self.assertRaises(ArchiveInterfaceError) as exc: backend.write('write stuff') self.assertTrue( "Can't write posix file with error" in str(exc.exception)) backend.close()
def test_posix_backend_failed_stage(self): """Test reading a file from posix backend.""" backend = PosixBackendArchive('/tmp/') backend.open('1234', 'w') backend.close() backend.open('1234', 'r') # easiest way to unit test is look at class variable # pylint: disable=protected-access backend._file.stage = mock.MagicMock( side_effect=IOError('Unable to Stage!')) # pylint: enable=protected-access with self.assertRaises(ArchiveInterfaceError) as exc: backend.stage() self.assertTrue( 'Can\'t stage posix file with error' in str(exc.exception)) backend.close()