test_metadata.py 文件源码

def test_index_and_column_names(self):
        md1 = qiime2.Metadata(pd.DataFrame(
            {'a': [1, 2]},
            index=pd.Index(['id1', 'id2'], name='foo'),
            columns=pd.Index(['a'], name='abc')))
        md2 = qiime2.Metadata(pd.DataFrame(
            {'b': [3, 4]},
            index=pd.Index(['id1', 'id2'], name='bar'),
            columns=pd.Index(['b'], name='def')))

        obs = md1.merge(md2)

        exp = qiime2.Metadata(pd.DataFrame(
            {'a': [1, 2], 'b': [3, 4]}, index=['id1', 'id2']))
        self.assertEqual(obs, exp)
        self.assertIsNone(obs._dataframe.index.name)
        self.assertIsNone(obs._dataframe.columns.name)