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subscription: add tests

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Signed-off-by: Skia <skia@libskia.so>
This commit is contained in:
Skia 2017-08-29 15:06:52 +02:00
parent 5e8ae83cf2
commit 9ee5c387c5
2 changed files with 66 additions and 2 deletions
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4
subscription/models.py
View File

@ -137,7 +137,7 @@ class Subscription(models.Model):
return 'No user - ' + str(self.pk)
@staticmethod
def compute_start(d=date.today(), duration=1):
def compute_start(d=None, duration=1):
"""
This function computes the start date of the subscription with respect to the given date (default is today),
and the start date given in settings.SITH_START_DATE.
@ -147,6 +147,8 @@ class Subscription(models.Model):
2015-03-17 -> 2015-02-15
2015-01-11 -> 2014-08-15
"""
if not d:
d = date.today()
if duration <= 2: # Sliding subscriptions for 1 or 2 semesters
return d
return get_start_of_semester(d)

64
subscription/tests.py
View File

@ -21,7 +21,69 @@
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
from datetime import date
from unittest import mock
from django.test import TestCase
from subscription.models import Subscription
class FakeDate(date):
"""A fake replacement for date that can be mocked for testing."""
def __new__(cls, *args, **kwargs):
return date.__new__(date, *args, **kwargs)
def date_mock_today(year, month, day):
FakeDate.today = classmethod(lambda cls: date(year, month, day))
class SubscribtionTest(TestCase):
@mock.patch('subscription.models.date', FakeDate)
def test_start_dates_sliding_without_start(self):
date_mock_today(2015, 9, 18)
d = Subscription.compute_start(duration=1)
self.assertTrue(d == date(2015, 9, 18))
self.assertTrue(Subscription.compute_start(duration=2) == date(2015, 9, 18))
def test_start_dates_sliding_with_start(self):
self.assertTrue(Subscription.compute_start(date(2015, 5, 17), 1) ==
date(2015, 5, 17))
self.assertTrue(Subscription.compute_start(date(2015, 5, 17), 2) ==
date(2015, 5, 17))
@mock.patch('subscription.models.date', FakeDate)
def test_start_dates_not_sliding_without_start(self):
date_mock_today(2015, 5, 17)
self.assertTrue(Subscription.compute_start(duration=3) == date(2015, 2, 15))
date_mock_today(2016, 1, 18)
self.assertTrue(Subscription.compute_start(duration=4) == date(2015, 8, 15))
date_mock_today(2015, 9, 18)
self.assertTrue(Subscription.compute_start(duration=4) == date(2015, 8, 15))
def test_start_dates_not_sliding_with_start(self):
self.assertTrue(Subscription.compute_start(date(2015, 5, 17), 3) ==
date(2015, 2, 15))
self.assertTrue(Subscription.compute_start(date(2015, 1, 11), 3) ==
date(2014, 8, 15))
@mock.patch('subscription.models.date', FakeDate)
def test_end_dates_sliding(self):
date_mock_today(2015, 9, 18)
d = Subscription.compute_end(2)
self.assertTrue(d == date(2016, 9, 18))
d = Subscription.compute_end(1)
self.assertTrue(d == date(2016, 3, 18))
@mock.patch('subscription.models.date', FakeDate)
def test_end_dates_not_sliding_without_start(self):
date_mock_today(2015, 9, 18)
d = Subscription.compute_end(duration=3)
self.assertTrue(d == date(2017, 2, 15))
d = Subscription.compute_end(duration=4)
self.assertTrue(d == date(2017, 8, 15))
def test_end_dates_not_sliding_with_start(self):
d = Subscription.compute_end(duration=3, start=date(2015, 9, 18))
self.assertTrue(d == date(2017, 3, 18))
d = Subscription.compute_end(duration=4, start=date(2015, 9, 18))
self.assertTrue(d == date(2017, 9, 18))
# Create your tests here.