def test_multi_month(self):
task = CourseActivityMonthlyTask(end_date=datetime.date(2014, 1, 31),
months=2)
self.assertEquals(task.interval,
date_interval.Custom.parse('2013-11-01-2014-01-01'))
def test_leap_year(self):
task = CourseActivityMonthlyTask(end_date=datetime.date(2012, 2, 29),
months=12)
self.assertEquals(task.interval,
date_interval.Custom.parse('2011-02-01-2012-02-01'))
def test_zero_months(self):
task = CourseActivityMonthlyTask(end_date=datetime.date(2014, 1, 31),
months=0)
with self.assertRaises(ValueError):
task.interval