def test_date_formats():
valid_dates = [
# %Y-%m-%d
'1994-12-29',
# %Y-%M-%d
'1994-December-29',
# %Y-%B-%d
'1994-Dec-29',
# %B-%d-%Y
'Dec-29-1994',
# %d-%B-%Y
'29-Dec-1994',
'29th December 1994',
'1st March 1999',
'2nd July 2000',
'3rd May 2000',
'November 29, 1971',
'Mar 29, 1971'
]
for date in valid_dates:
assert date_pattern.search(date.lower()), f'{date} is a valid format'
assert all_date_pattern.search(
date.lower()), f'{date} is a valid format'
def test_day_month():
cases = [
'29th of December', 'December 29', '29 December', '29th December',
'December 29th'
]
for case in cases:
assert day_month_pattern.search(case.lower()), f'{case} is valid'
assert all_date_pattern.search(case.lower()), f'{case} is valid'
invalids = [
'214 November',
'00 November',
'00th November',
'22rd January',
'3th February',
'september 00',
'2st march',
'1rd Dec',
'3nd April',
'may 3nd',
'june 2th',
'july 1th',
]
for inv in invalids:
assert not day_month_pattern.search(inv.lower()), f'{inv} is invalid'
assert not all_date_pattern.search(inv.lower()), f'{inv} is invalid'
def test_year_formats():
valid_years = [
'1700', '1123', '1500', '1643', '1809', '1888', '1999', '1994', '1543',
'2020', '2021', '2000', '2111', '2100'
]
invalid_years = [
'1', '', '000', '9900', '9999', '0000', '4500', '3402', '3111'
]
for valid in valid_years:
assert year_pattern.search(valid), f'{valid} is a valid year'
assert all_date_pattern.search(valid), f'{valid} is a valid year'
for invalid in invalid_years:
assert not year_pattern.search(
invalid), f'{invalid} is an invalid year'
assert not all_date_pattern.search(
invalid), f'{invalid} is an invalid year'
def test_misc():
dates = [
'213 BC',
'7th Century',
'5th century B.C.',
'29th December',
]
for d in dates:
assert all_date_pattern.search(d.lower()), f'{d} should be valid'
assert False, 'not implemented'
def test_days_verbose():
days = [
' Sunday ', ' Monday', 'last wednesday', 'next Saturday',
'This thursday', 'friday', 'Thursday'
]
for d in days:
assert verbose_days_pattern.search(
d.lower()), f'{d} is a valid verbose day'
assert all_date_pattern.search(
d.lower()), f'{d} is a valid verbose day'
def test_extra_dates():
verbose_dates = [
'today',
'yesterday',
'tomorrow',
'Today',
'year',
'month',
'decade',
'century',
'week',
'millenium',
'Last year',
'Next month',
'this Century',
'next millEnium',
]
for v in verbose_dates:
verbose_pattern.search(v.lower()), f'{v} is a valid verbose date'
all_date_pattern.search(v.lower()), f'{v} is a valid verbose date'
def test_x0s_years():
years = ['90s', '80s', '70s']
for y in years:
assert verbose_years_pattern.search(y), f'{y} is valid'
assert all_date_pattern.search(y), f'{y} is valid'