def test_jdn_to_julian(self):
calendar = JulianDayNumber()
d = calendar.date(5373524)
converted = d.convert_to(ProlepticJulianCalendar())
self.assertIsNotNone(converted)
expected = DateWithCalendar(ProlepticJulianCalendar, DistantDate(10000, 2, 12))
self.assertEqual(converted, expected)
def setUp(self):
self.calendar = JulianDayNumber()
self.setUpDateEquality()
class TestJulianDayNumber(CalendarTest):
def setUp(self):
self.calendar = JulianDayNumber()
self.setUpDateEquality()
def test_make_date(self):
vd = vanilla_date(2010, 8, 1)
d = self.calendar.from_date(vd)
self.assertIsNotNone(d)
def test_first_date(self):
vd = vanilla_date(1, 1, 1)
d = self.calendar.from_date(vd)
self.assertEqual(str(d), 'Day 1721423 (Julian Day Number)')
def test_make_bce_date(self):
bd = BCEDate(-4713, 1, 1)
d = self.calendar.from_date(bd)
self.assertIsNotNone(d)
self.assertEqual(d.to_date(), bd)
def test_make_bce_date_check_calendar(self):
bd = BCEDate(-4713, 1, 1)
d = self.calendar.from_date(bd)
self.assertEqual(d.calendar, self.calendar.__class__)
def compare_date_and_number(self, year, month, day, number):
vd = vanilla_date(year, month, day)
d = self.calendar.from_date(vd)
self.assertEqual(d.native_representation(), {'day_number': number})
def test_every_400_years(self):
days_in_400_years = 400 * 365 + 97
for i in range(25):
self.compare_date_and_number(1 + 400 * i, 1, 1, 1721423 + days_in_400_years * i)
def test_first_jan_2000s(self):
first_jan_2001 = 2451908
self.compare_date_and_number(2001, 1, 1, first_jan_2001)
self.compare_date_and_number(2002, 1, 1, first_jan_2001 + 365)
self.compare_date_and_number(2003, 1, 1, first_jan_2001 + 365 * 2)
self.compare_date_and_number(2004, 1, 1, first_jan_2001 + 365 * 3)
self.compare_date_and_number(2005, 1, 1, first_jan_2001 + 365 * 4 + 1)
self.compare_date_and_number(2006, 1, 1, first_jan_2001 + 365 * 5 + 1)
self.compare_date_and_number(2007, 1, 1, first_jan_2001 + 365 * 6 + 1)
self.compare_date_and_number(2008, 1, 1, first_jan_2001 + 365 * 7 + 1)
self.compare_date_and_number(2009, 1, 1, first_jan_2001 + 365 * 8 + 2)
self.compare_date_and_number(2010, 1, 1, first_jan_2001 + 365 * 9 + 2)
self.compare_date_and_number(2011, 1, 1, first_jan_2001 + 365 * 10 + 2)
self.compare_date_and_number(2012, 1, 1, first_jan_2001 + 365 * 11 + 2)
self.compare_date_and_number(2013, 1, 1, first_jan_2001 + 365 * 12 + 3)
def test_another_date(self):
self.compare_date_and_number(2013, 1, 1, 2456291)
@given(integers(max_value=julian_day_number_of_last_vanilla_date))
def test_construct_from_day_number(self, x):
d = self.calendar.date(x)
self.assertIsNotNone(d)
@given(integers(max_value=julian_day_number_of_last_vanilla_date))
def test_constructed_date_has_right_calendar(self, x):
d = self.calendar.date(x)
self.assertEqual(d.calendar, self.calendar.__class__)
def test_construct_from_specific_day_number(self):
d = self.calendar.date(0)
self.assertEqual(d, self.calendar.from_date(BCEDate(-4713, 1, 1)))
@example(-998278577)
@given(integers(max_value=julian_day_number_of_last_vanilla_date))
def test_round_trip_from_day_number(self, x):
d = self.calendar.date(x)
rep = d.native_representation()
self.assertTrue('day_number' in rep)
@given(datetimes(timezones=[]))
def test_round_trip_from_date(self, dt):
vd = dt.date()
d = self.calendar.from_date(vd)
dn = d.native_representation()['day_number']
new_d = self.calendar.date(dn)
self.assertEqual(d, new_d)