test_metadata.py 文件源码

def assert_equal_diff(self, received, expected):
        if received != expected:
            diff_string = '\n'.join(difflib.unified_diff(expected.split('\n'),
                                                         received.split('\n'),
                                                         'EXPECTED', 'RECEIVED',
                                                         lineterm=''))
            self.fail(diff_string)