test_datetime.py 文件源码

def test_datetime_array_str(self):
        a = np.array(['2011-03-16', '1920-01-01', '2013-05-19'], dtype='M')
        assert_equal(str(a), "['2011-03-16' '1920-01-01' '2013-05-19']")

        a = np.array(['2011-03-16T13:55', '1920-01-01T03:12'], dtype='M')
        assert_equal(np.array2string(a, separator=', ',
                    formatter={'datetime': lambda x:
                            "'%s'" % np.datetime_as_string(x, timezone='UTC')}),
                     "['2011-03-16T13:55Z', '1920-01-01T03:12Z']")

        # Check that one NaT doesn't corrupt subsequent entries
        a = np.array(['2010', 'NaT', '2030']).astype('M')
        assert_equal(str(a), "['2010' 'NaT' '2030']")