def test_date_between(self):
today = date.today()
_30_years_ago = change_year(today, -30)
_20_years_ago = change_year(today, -20)
random_date = self.fake.date_between(start_date='-30y', end_date='-20y')
assert isinstance(random_date, date)
self.assertBetween(random_date, _30_years_ago, _20_years_ago)
def test_date_time_between(self):
now = datetime.now()
_30_years_ago = change_year(now, -30)
_20_years_ago = change_year(now, -20)
random_datetime = self.fake.date_time_between(start_date='-30y', end_date='-20y')
assert isinstance(random_datetime, datetime)
self.assertBetween(random_datetime, _30_years_ago, _20_years_ago)
def test_distant_age_range(self):
for _ in range(100):
now = datetime.now(utc).date()
days_since_one_hundred_years_ago = now - change_year(now, -100)
days_since_one_hundred_eleven_years_ago = now - change_year(now, -111)
dob = self.fake.date_of_birth(minimum_age=100, maximum_age=110)
days_since_dob = now - dob
assert isinstance(dob, date)
assert days_since_one_hundred_eleven_years_ago > days_since_dob >= days_since_one_hundred_years_ago
def test_identical_age_range(self):
for _ in range(100):
now = datetime.now(utc).date()
days_since_five_years_ago = now - change_year(now, -5)
days_since_six_years_ago = now - change_year(now, -6)
dob = self.fake.date_of_birth(tzinfo=utc, minimum_age=5, maximum_age=5)
days_since_dob = now - dob
assert isinstance(dob, date)
assert days_since_six_years_ago > days_since_dob >= days_since_five_years_ago
def test_change_year(self):
_2020_06_01 = datetime.strptime("2020-06-01", "%Y-%m-%d")
_20_years_ago = change_year(_2020_06_01, -20)
self.assertEqual(_20_years_ago.strftime("%Y-%m-%d"), "2000-06-01")
# Verify a leap day
today = datetime.strptime("2020-02-29", "%Y-%m-%d")
with self.assertRaises(ValueError):
_11_years_ago = today.replace(year=11)
_11_years_ago = change_year(today, -11)
self.assertEqual(_11_years_ago.strftime("%Y-%m-%d"), "2009-03-01")
# 0 is an invalid year, so it should still raise a ValueError
with self.assertRaises(ValueError):
change_year(today, -today.year)
def test_date_time_between(self):
now = datetime.now()
_30_years_ago = change_year(now, -30)
_20_years_ago = change_year(now, -20)
random_datetime = self.fake.date_time_between(start_date="-30y",
end_date="-20y")
assert isinstance(random_datetime, datetime)
self.assertBetween(random_datetime, _30_years_ago, _20_years_ago)
now = datetime.now(tz=utc)
_30_years_ago = change_year(now, -30)
_20_years_ago = change_year(now, -20)
random_datetime = self.fake.date_time_between(start_date="-30y",
end_date="-20y",
tzinfo=utc)
assert isinstance(random_datetime, datetime)
self.assertBetween(random_datetime, _30_years_ago, _20_years_ago)
def test_acceptable_age_range_eighteen_years(self):
for _ in range(100):
now = datetime.now(utc).date()
days_since_now = now - now
days_since_nineteen_years_ago = now - change_year(now, -19)
dob = self.fake.date_of_birth(tzinfo=utc, minimum_age=0, maximum_age=18)
days_since_dob = now - dob
assert isinstance(dob, date)
assert days_since_nineteen_years_ago > days_since_dob >= days_since_now