test_categorical.py 文件源码

def test_sequence_like(self):

        # GH 7839
        # make sure can iterate
        df = DataFrame({"id": [1, 2, 3, 4, 5, 6],
                        "raw_grade": ['a', 'b', 'b', 'a', 'a', 'e']})
        df['grade'] = Categorical(df['raw_grade'])

        # basic sequencing testing
        result = list(df.grade.values)
        expected = np.array(df.grade.values).tolist()
        tm.assert_almost_equal(result, expected)

        # iteration
        for t in df.itertuples(index=False):
            str(t)

        for row, s in df.iterrows():
            str(s)

        for c, col in df.iteritems():
            str(s)