test_timedeltas.py 文件源码

def test_to_timedelta_invalid(self):

        # these will error
        self.assertRaises(ValueError, lambda: to_timedelta([1, 2], unit='foo'))
        self.assertRaises(ValueError, lambda: to_timedelta(1, unit='foo'))

        # time not supported ATM
        self.assertRaises(ValueError, lambda: to_timedelta(time(second=1)))
        self.assertTrue(to_timedelta(
            time(second=1), errors='coerce') is pd.NaT)

        self.assertRaises(ValueError, lambda: to_timedelta(['foo', 'bar']))
        tm.assert_index_equal(TimedeltaIndex([pd.NaT, pd.NaT]),
                              to_timedelta(['foo', 'bar'], errors='coerce'))

        tm.assert_index_equal(TimedeltaIndex(['1 day', pd.NaT, '1 min']),
                              to_timedelta(['1 day', 'bar', '1 min'],
                                           errors='coerce'))