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Copy pathtest_add.py
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75 lines (52 loc) · 2.1 KB
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# -*- coding: utf-8 -*-
from datetime import timedelta
from pendulum import Date
from .. import AbstractTestCase
class AddTest(AbstractTestCase):
def test_add_years_positive(self):
self.assertEqual(1976, Date.create(1975).add(years=1).year)
def test_add_years_zero(self):
self.assertEqual(1975, Date.create(1975).add(years=0).year)
def test_add_years_negative(self):
self.assertEqual(1974, Date.create(1975).add(years=-1).year)
def test_add_months_positive(self):
self.assertEqual(1, Date.create(1975, 12).add(months=1).month)
def test_add_months_zero(self):
self.assertEqual(12, Date.create(1975, 12).add(months=0).month)
def test_add_months_negative(self):
self.assertEqual(11, Date.create(1975, 12).add(months=-1).month)
def test_add_month_with_overflow(self):
self.assertEqual(2, Date(2012, 1, 31).add(months=1).month)
def test_add_days_positive(self):
self.assertEqual(1, Date(1975, 5, 31).add(days=1).day)
def test_add_days_zero(self):
self.assertEqual(31, Date(1975, 5, 31).add(days=0).day)
def test_add_days_negative(self):
self.assertEqual(30, Date(1975, 5, 31).add(days=-1).day)
def test_add_weeks_positive(self):
self.assertEqual(28, Date(1975, 5, 21).add(weeks=1).day)
def test_add_weeks_zero(self):
self.assertEqual(21, Date(1975, 5, 21).add(weeks=0).day)
def test_add_weeks_negative(self):
self.assertEqual(14, Date(1975, 5, 21).add(weeks=-1).day)
def test_add_timedelta(self):
delta = timedelta(days=18)
d = Date.create(2015, 3, 14)
new = d.add_timedelta(delta)
self.assertIsInstanceOfDate(new)
self.assertDate(new, 2015, 4, 1)
new = d + delta
self.assertIsInstanceOfDate(new)
self.assertDate(new, 2015, 4, 1)
def test_addition_invalid_type(self):
d = Date.create(2015, 3, 14)
try:
d + 3
self.fail()
except TypeError:
pass
try:
3 + d
self.fail()
except TypeError:
pass