class TestJulianCalendar(CalendarTest):
def setUp(self):
self.calendar = JulianCalendar()
self.setUpDateEquality()
def test_display_string(self):
""" The display string for a date gives the correct date and specifies the calendar. """
d = self.calendar.date(1415, 10, 25)
self.assertEqual(str(d), "25th October 1415 (Julian Calendar)")
@given(datetimes(timezones=[]))
@example(datetime(2100, 3, 1, 0, 0, 0))
@example(datetime(4500, 4, 1, 0, 0, 0))
@example(datetime(8200, 3, 1, 0, 0, 0))
def test_make_julian_date_directly_and_via_year_month_day(self, dt):
d = dt.date()
julian_date_from_date = self.calendar.from_date(d)
julian_representation = self.calendar.julian_representation(d)
year, month, day = julian_representation
julian_date_from_representation = self.calendar.date(year, month, day)
self.calendar.bless(julian_date_from_representation)
self.assertEqual(julian_date_from_date, julian_date_from_representation)
def test_julian_number(self):
d = self.calendar.date(1415, 10, 25)
self.assertEqual(self.calendar.julian_day_number(d), 2238184)
def test_julian_representation(self):
d = date(8200, 3, 1)
self.assertEqual(self.calendar.julian_representation(d), (8200, 1, 1))
def test_making_a_tricky_date_correctly(self):
julian_date = self.calendar.date(8200, 1, 1)
self.assertEqual(julian_date.to_date(), date(8200, 3, 1))
@given(datetimes(timezones=[]))
@example(datetime(8200, 3, 1, 0, 0, 0))
@example(datetime(8200, 2, 28, 0, 0, 0))
@example(datetime(8199, 12, 31, 0, 0, 0))
def test_julian_representation_round_trips_with_conversion(self, dt):
d = dt.date()
y, m, day = self.calendar.julian_representation(d)
julian_date = self.calendar.date(y, m, day)
self.assertEqual(julian_date.to_date(), d)
