test_pytables.py 文件源码

def test_duplicate_column_name(self):
        df = DataFrame(columns=["a", "a"], data=[[0, 0]])

        with ensure_clean_path(self.path) as path:
            self.assertRaises(ValueError, df.to_hdf,
                              path, 'df', format='fixed')

            df.to_hdf(path, 'df', format='table')
            other = read_hdf(path, 'df')

            tm.assert_frame_equal(df, other)
            self.assertTrue(df.equals(other))
            self.assertTrue(other.equals(df))