def test_multiple_years(self):
now = datetime(2000, 1, 1, 0, 0, 0, 0)
datetimes = [
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1997, 12, 1, 0, 0, 0, 0),
]
# 12 months back ignores datetime(1999, 1, 1, 0, 0, 0, 0)
self.assertEqual(
Months.filter(datetimes, number=12, now=now),
set([
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)
]))
# But 13 months back gets it
self.assertEqual(
Months.filter(datetimes, number=13, now=now),
set([
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)
]))
# But 14 months back gets datetime(1998, 12, 1, 0, 0, 0, 0)
self.assertEqual(
Months.filter(datetimes, number=14, now=now),
set([
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)
]))
# As does 24 months back
self.assertEqual(
Months.filter(datetimes, number=24, now=now),
set([
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)
]))
# 36 months back should get datetime(1997, 12, 1, 0, 0, 0, 0)
self.assertEqual(
Months.filter(datetimes, number=36, now=now),
set([
datetime(1997, 12, 1, 0, 0, 0, 0),
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)
]))
def test_all_input(self):
self.assertEqual(Months.filter(self.datetimes, number=5, now=self.now),
set([datetime(1999, 10, 1, 0, 0, 0, 0),
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)]))
self.assertEqual(Months.filter(self.datetimes, number=6, now=self.now),
set([datetime(1999, 10, 1, 0, 0, 0, 0),
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_before_start(self):
# datetime(1999, 10, 1, 0, 0, 0, 0) is too old to show up
# in the results
self.assertEqual(Months.filter(self.datetimes, number=4, now=self.now),
set([datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_new_year(self):
self.assertEqual(
Months.filter(self.datetimes, number=3, now=self.now),
set([
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)
]))
def test_all_input(self):
self.assertEqual(
Months.filter(self.datetimes, number=5, now=self.now),
set([
datetime(1999, 10, 1, 0, 0, 0, 0),
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)
]))
self.assertEqual(
Months.filter(self.datetimes, number=6, now=self.now),
set([
datetime(1999, 10, 1, 0, 0, 0, 0),
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)
]))
def test_duplicates(self):
# Ensure we get the oldest per-month datetime when there are
# duplicates: i.e. not datetime(2000, 1, 1, 1, 0, 0, 0)
self.assertEqual(
Months.filter(self.datetimes, number=2, now=self.now),
set([
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)
]))
def test_before_start(self):
# datetime(1999, 10, 1, 0, 0, 0, 0) is too old to show up
# in the results
self.assertEqual(
Months.filter(self.datetimes, number=4, now=self.now),
set([
datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)
]))
def test_multiple_years(self):
now = datetime(2000, 1, 1, 0, 0, 0, 0)
datetimes = [
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1997, 12, 1, 0, 0, 0, 0),
]
# 12 months back ignores datetime(1999, 1, 1, 0, 0, 0, 0)
self.assertEqual(Months.filter(datetimes, number=12, now=now),
set([datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)]))
# But 13 months back gets it
self.assertEqual(Months.filter(datetimes, number=13, now=now),
set([datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)]))
# But 14 months back gets datetime(1998, 12, 1, 0, 0, 0, 0)
self.assertEqual(Months.filter(datetimes, number=14, now=now),
set([datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)]))
# As does 24 months back
self.assertEqual(Months.filter(datetimes, number=24, now=now),
set([datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)]))
# 36 months back should get datetime(1997, 12, 1, 0, 0, 0, 0)
self.assertEqual(Months.filter(datetimes, number=36, now=now),
set([datetime(1997, 12, 1, 0, 0, 0, 0),
datetime(1998, 12, 1, 0, 0, 0, 0),
datetime(1999, 1, 1, 0, 0, 0, 0),
datetime(1999, 12, 1, 0, 0, 0, 0),
datetime(2000, 1, 1, 0, 0, 0, 0)]))
def test_no_input(self):
self.assertEqual(Months.filter([], number=1, now=self.now),
set())
def test_current(self):
self.assertEqual(Months.filter(self.datetimes, number=1, now=self.now),
set([datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_no_results(self):
self.assertEqual(Months.filter([self.now], number=0, now=self.now),
set())
self.assertEqual(Months.filter(self.datetimes, number=0, now=self.now),
set())
def test_no_input(self):
self.assertEqual(Months.filter([], number=1, now=self.now), set())
def test_no_results(self):
self.assertEqual(Months.filter([self.now], number=0, now=self.now),
set())
self.assertEqual(Months.filter(self.datetimes, number=0, now=self.now),
set())
def test_future(self):
datetimes = [datetime(2010, 1, 15, 0, 0, 0, 0)] # Wikipedia
self.assertEqual(Months.filter(datetimes, number=0, now=self.now),
set(datetimes))
self.assertEqual(Months.filter(datetimes, number=1, now=self.now),
set(datetimes))
def test_future(self):
datetimes = [datetime(2010, 1, 15, 0, 0, 0, 0)] # Wikipedia
self.assertEqual(Months.filter(datetimes, number=0, now=self.now),
set(datetimes))
self.assertEqual(Months.filter(datetimes, number=1, now=self.now),
set(datetimes))
def test_current(self):
self.assertEqual(Months.filter(self.datetimes, number=1, now=self.now),
set([datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_duplicates(self):
# Ensure we get the oldest per-month datetime when there are
# duplicates: i.e. not datetime(2000, 1, 1, 1, 0, 0, 0)
self.assertEqual(Months.filter(self.datetimes, number=2, now=self.now),
set([datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_new_year(self):
self.assertEqual(Months.filter(self.datetimes, number=3, now=self.now),
set([datetime(1999, 12, 31, 23, 59, 59, 999999),
datetime(2000, 1, 1, 0, 0, 0, 0),
datetime(2000, 2, 1, 0, 0, 0, 0)]))
def test_mask(self):
self.assertEqual(
Months.mask(datetime(1999, 12, 31, 23, 59, 59, 999999)),
datetime(1999, 12, 1, 0, 0, 0, 0))
def test_mask(self):
self.assertEqual(
Months.mask(datetime(1999, 12, 31, 23, 59, 59, 999999)),
datetime(1999, 12, 1, 0, 0, 0, 0)
)
