def test_apply_timedelta_to_Orgmode_timestamp(self): self.assertEqual( OrgFormat.apply_timedelta_to_Orgmode_timestamp(u"<1980-12-31 Wed 23:59>", +2), u"<1981-01-01 Thu 01:59>" ) self.assertEqual( OrgFormat.apply_timedelta_to_Orgmode_timestamp(u"<1981-01-01 Thu 01:59>", -2), u"<1980-12-31 Wed 23:59>" ) self.assertEqual( OrgFormat.apply_timedelta_to_Orgmode_timestamp(u"<2009-12-07 Mon 12:25>-<2009-12-07 Mon 12:26>", -2), u"<2009-12-07 Mon 10:25>-<2009-12-07 Mon 10:26>" )