def test_Date_as_date():
dd = Date()
assert isinstance(dd.as_date(), datetime.date)
assert not isinstance(dd.as_date(), Date)
def test_Date_default():
today = datetime.date.today()
dd = Date()
dd.to_string()
for key in 'year', 'month', 'day':
assert getattr(dd, key) == getattr(today, key)
def test_Date_fromordinal(dd):
dd2 = Date.fromordinal(dd.toordinal())
assert dd2 == dd
def test_DateTime_date():
dt = DateTime()
assert isinstance(dt.date(), Date)
assert dt.date() == Date.today()