test_multi.py 文件源码

def test_legacy_v2_unpickle(self):

        # 0.7.3 -> 0.8.0 format manage
        path = tm.get_data_path('mindex_073.pickle')
        obj = pd.read_pickle(path)

        obj2 = MultiIndex.from_tuples(obj.values)
        self.assertTrue(obj.equals(obj2))

        res = obj.get_indexer(obj)
        exp = np.arange(len(obj))
        assert_almost_equal(res, exp)

        res = obj.get_indexer(obj2[::-1])
        exp = obj.get_indexer(obj[::-1])
        exp2 = obj2.get_indexer(obj2[::-1])
        assert_almost_equal(res, exp)
        assert_almost_equal(exp, exp2)