def test_past_years(self):
nums = [random.randint(1, 1000) for range_index in xrange(1000)]
for num in nums:
past = when.past(years=num)
leap_days = when.how_many_leap_days(past, self.now)
now_plus = when.now() - self.one_day * (num * 365 + leap_days)
self.assertTrue(past - now_plus < self.one_second)
def test_future_years(self):
nums = [random.randint(1, 1000) for range_index in xrange(1000)]
for num in nums:
future = when.future(years=num)
leap_days = when.how_many_leap_days(self.now, future)
now_plus = when.now() + self.one_day * (num * 365 + leap_days)
self.assertTrue(now_plus - future < self.one_second)
def test_how_many_leap_days(self):
date1 = datetime.datetime(2012, 2, 28)
date2 = datetime.datetime(2012, 2, 29)
self.assertEqual(when.how_many_leap_days(date1, date2), 1)
date1 = datetime.datetime(2012, 2, 28)
date2 = datetime.datetime(2016, 2, 28)
self.assertEqual(when.how_many_leap_days(date1, date2), 1)
date1 = datetime.datetime(2012, 2, 28)
date2 = datetime.datetime(2020, 2, 28)
self.assertEqual(when.how_many_leap_days(date1, date2), 2)
date1 = datetime.datetime(2012, 2, 28)
date2 = datetime.datetime(2020, 2, 29)
self.assertEqual(when.how_many_leap_days(date1, date2), 3)
date1 = datetime.datetime(2011, 2, 28)
date2 = datetime.datetime(2011, 3, 22)
self.assertEqual(when.how_many_leap_days(date1, date2), 0)
date1 = datetime.datetime(2012, 2, 28)
date2 = datetime.datetime(2026, 2, 28)
self.assertEqual(when.how_many_leap_days(date1, date2), 4)
def test_how_many_leap_days(self):
"""Test when.how_many_leap_days()"""
# Tests with just years
self.assertEqual(when.how_many_leap_days(2012, 2012), 0)
self.assertEqual(when.how_many_leap_days(2012, 2013), 1)
self.assertEqual(when.how_many_leap_days(2012, 2017), 2)
# Simple tests using `datetime.date`
d1 = datetime.date(2012, 1, 1)
d2 = datetime.date(2012, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 1, 1)
d2 = datetime.date(2012, 3, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 1)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2012, 4, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2016, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2017, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 1)
# Simple tests using `datetime.datetime`
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2012, 2, 29)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 1)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2016, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 1)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2020, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 2)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2020, 2, 29)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 3)
dt1 = datetime.datetime(2011, 2, 28)
dt2 = datetime.datetime(2011, 3, 22)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 0)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2026, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 4)
# And a few using mixed types
d1 = datetime.date(1970, 1, 1)
dt2 = datetime.datetime(1980, 1, 1)
self.assertEqual(when.how_many_leap_days(d1, dt2), 2)
dt1 = datetime.date(1970, 1, 1)
d2 = datetime.datetime(1990, 1, 1)
self.assertEqual(when.how_many_leap_days(dt1, d2), 5)
dt1 = datetime.date(2000, 1, 1)
d2 = datetime.datetime(3000, 1, 1)
# At first glance it would appear this should be 250, except that
# years divisible by 100 are not leap years, of which there are 10,
# unless they are also divisible by 400. The years 2000, 2400,
# and 2800 need to be added back in. 250 - (10 - 3) = 243
self.assertEqual(when.how_many_leap_days(dt1, d2), 243)
def test_how_many_leap_days(self):
"""Test when.how_many_leap_days()"""
# Tests with just years
self.assertEqual(when.how_many_leap_days(2012, 2012), 0)
self.assertEqual(when.how_many_leap_days(2012, 2013), 1)
self.assertEqual(when.how_many_leap_days(2012, 2017), 2)
# Simple tests using `datetime.date`
d1 = datetime.date(2012, 1, 1)
d2 = datetime.date(2012, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 1, 1)
d2 = datetime.date(2012, 3, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 1)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2012, 4, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2016, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 0)
d1 = datetime.date(2012, 3, 1)
d2 = datetime.date(2017, 2, 1)
self.assertEqual(when.how_many_leap_days(d1, d2), 1)
# Simple tests using `datetime.datetime`
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2012, 2, 29)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 1)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2016, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 1)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2020, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 2)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2020, 2, 29)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 3)
dt1 = datetime.datetime(2011, 2, 28)
dt2 = datetime.datetime(2011, 3, 22)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 0)
dt1 = datetime.datetime(2012, 2, 28)
dt2 = datetime.datetime(2026, 2, 28)
self.assertEqual(when.how_many_leap_days(dt1, dt2), 4)
# And a few using mixed types
d1 = datetime.date(1970, 1, 1)
dt2 = datetime.datetime(1980, 1, 1)
self.assertEqual(when.how_many_leap_days(d1, dt2), 2)
dt1 = datetime.date(1970, 1, 1)
d2 = datetime.datetime(1990, 1, 1)
self.assertEqual(when.how_many_leap_days(dt1, d2), 5)
dt1 = datetime.date(2000, 1, 1)
d2 = datetime.datetime(3000, 1, 1)
# At first glance it would appear this should be 250, except that
# years divisible by 100 are not leap years, of which there are 10,
# unless they are also divisible by 400. The years 2000, 2400,
# and 2800 need to be added back in. 250 - (10 - 3) = 243
self.assertEqual(when.how_many_leap_days(dt1, d2), 243)