def test_not_time_unit(self):
unit = Unit('K')
result = unit.is_long_time_interval()
self.assertFalse(result)
def test_long_time_interval(self):
# A long time interval is a time interval of months or years.
unit = Unit('months since epoch')
result = unit.is_long_time_interval()
self.assertTrue(result)
def test_calendar(self):
# Check that a different calendar does not affect the result.
unit = Unit('months since epoch', calendar=cf_units.CALENDAR_360_DAY)
result = unit.is_long_time_interval()
self.assertTrue(result)
def test_short_time_interval(self):
# A short time interval is a time interval from seconds to days.
unit = Unit('seconds since epoch')
result = unit.is_long_time_interval()
self.assertFalse(result)
