def test_basic_functions(self):
test_date = Date(2015, 7, 11)
cal = Calendar('China.SSE')
self.assertTrue(cal.is_weekend(test_date.weekday()),
"{0} is expected to be a weekend".format(test_date))
test_date = Date(2015, 7, 13)
self.assertTrue(
not cal.is_weekend(test_date.weekday()),
"{0} is expected not to be a weekend".format(test_date))
test_date = Date(2015, 5, 29)
cal = Calendar('China.SSE')
self.assertTrue(
cal.is_end_of_month(test_date),
"{0} is expected to be a end of month".format(test_date))
test_date = Date(2015, 5, 1)
cal = Calendar('China.SSE')
end_of_month = cal.end_of_month(test_date)
self.assertEqual(
end_of_month, Date(2015, 5, 29),
"The month end of 2015/5 is expected to be {0}".format(
Date(2015, 5, 29)))
biz_dates1 = cal.biz_days_between(Date(2015, 1, 1), Date(2015, 12, 31),
True, False)
biz_dates2 = cal.biz_days_between(Date(2015, 12, 31), Date(2015, 1, 1),
False, True)
self.assertEqual(biz_dates1, biz_dates2)
def test_basic_functions(self):
year = 2015
month = 7
day = 24
str_repr = "{0}-{1:02d}-{2:02d}".format(year, month, day)
inner_repr = "Date({0}, {1}, {2})".format(year, month, day)
test_date = Date(year, month, day)
self.assertEqual(
str(test_date), str_repr, "date string:\n"
"expected: {0:s}\n"
"calculated: {1:s}".format(str_repr, str(test_date)))
self.assertEqual(
repr(test_date), inner_repr, "date representation:\n"
"expected: {0:s}\n"
"calculated: {1:s}".format(inner_repr, repr(test_date)))
self.assertEqual(
test_date.year(), year, "date year:\n"
"expected: {0:d}\n"
"calculated: {1:d}".format(year, test_date.year()))
self.assertEqual(
test_date.month(), month, "date month:\n"
"expected: {0:d}\n"
"calculated: {1:d}".format(month, test_date.month()))
self.assertEqual(
test_date.day_of_month(), day, "date day:\n"
"expected: {0:d}\n"
"calculated: {1:d}".format(day, test_date.day_of_month()))
self.assertEqual(
test_date.day_of_year(), test_date - Date(2015, 1, 1) + 1,
"date day:\n"
"expected: {0:d}\n"
"calculated: {1:d}".format(test_date - Date(2015, 1, 1) + 1,
test_date.day_of_year()))
self.assertEqual(
test_date.weekday(), 6, "date weekday:\n"
"expected: {0:d}\n"
"calculated: {1:d}".format(5, test_date.weekday()))
self.assertEqual(
test_date.to_datetime(), dt.datetime(year, month, day),
"date datetime representation\n"
"expected: {0}\n"
"calculated: {1}".format(dt.datetime(year, month, day),
test_date.to_datetime()))
serial_number = test_date.serial_number
serial_date = Date(serial_number=serial_number)
self.assertEqual(
serial_date, test_date, "date excel serial number representation\n"
"expected: {0:d}"
"calculated: {1:d}".format(serial_date.serial_number,
test_date.serial_number))
# test comparisons
previous_date = test_date - 1
self.assertTrue(
previous_date < test_date,
"{0} is not earlier than {1}".format(previous_date, test_date))
self.assertFalse(
previous_date >= test_date,
"{0} should not be later than or equal to {1}".format(
previous_date, test_date))
self.assertTrue((previous_date + 1) == test_date,
"{0} plus one day should be equal to {1}".format(
previous_date, test_date))
# check static members
self.assertEqual(Date.min_date(), Date(1901, 1, 1),
"min date is wrong")
self.assertEqual(Date.max_date(), Date(2199, 12, 31),
"max date is wrong")
self.assertEqual(Date.end_of_month(test_date), Date(year, month, 31),
"end of month is wrong")
self.assertTrue(Date.is_end_of_month(Date(year, month, 31)),
"{0} should be the end of month")
self.assertEqual(
Date.next_weekday(test_date, test_date.weekday()), test_date,
"{0}'s next same week day should be {1}".format(
test_date, test_date))
expected_date = dt.date.today()
expected_date = dt.datetime(expected_date.year, expected_date.month,
expected_date.day)
self.assertEqual(
Date.today_date().to_datetime(), expected_date, "today's date\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, Date.today_date()))
# nth-week day
with self.assertRaises(ValueError):
_ = Date.nth_weekday(0, Weekdays.Friday, 1, 2015)
with self.assertRaises(ValueError):
_ = Date.nth_weekday(6, Weekdays.Friday, 1, 2015)
self.assertEqual(Date.nth_weekday(3, Weekdays.Wednesday, 8, 2015),
Date(2015, 8, 19))
# check plus/sub
three_weeks_after = test_date + '3W'
expected_date = test_date + 21
self.assertEqual(
three_weeks_after, expected_date, "date + 3w period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_weeks_after))
three_months_before = test_date - "3M"
expected_date = Date(year, month - 3, day)
self.assertEqual(
three_months_before, expected_date, "date - 3m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_months_before))
three_months_before = test_date - Period("3M")
expected_date = Date(year, month - 3, day)
self.assertEqual(
three_months_before, expected_date, "date - 3m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_months_before))
three_months_after = test_date + "3m"
expected_date = Date(year, month + 3, day)
self.assertEqual(
three_months_after, expected_date, "date + 3m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_months_after))
one_year_and_two_months_before = test_date - "14m"
expected_date = Date(year - 1, month - 2, day)
self.assertEqual(
one_year_and_two_months_before, expected_date,
"date - 14m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_months_before))
one_year_and_two_months_before = test_date + "14m"
expected_date = Date(year + 1, month + 2, day)
self.assertEqual(
one_year_and_two_months_before, expected_date,
"date + 14m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, three_months_before))
five_months_after = test_date + "5m"
expected_date = Date(year, month + 5, day)
self.assertEqual(
five_months_after, expected_date, "date + 5m period\n"
"expected: {0}\n"
"calculated: {1}".format(expected_date, five_months_after))