def test_should_not_create_waitlist_item_and_raise_exception_if_there_are_no_copies(self):
self.copy.delete()
with self.assertRaises(ValueError):
item = WaitlistItem.create_item(
self.library, self.book, self.user,
)
def test_should_create_and_return_waitlist_item_if_theres_only_unavailable_copies(
self, _):
item = WaitlistItem.create_item(
self.library,
self.book,
self.user,
)
self.assertIsInstance(item, WaitlistItem)
def test_serialize_all_fields(self):
waitlist_item = WaitlistItem(id=1, **self.waitlist_item_attributes)
with patch.object(serializers, 'LibrarySerializer', return_value='library'), \
patch.object(serializers, 'BookCompactSerializer', return_value='book'), \
patch.object(serializers, 'UserSerializer', return_value='user'):
serializer = WaitlistItemSerializer(instance=waitlist_item)
data = serializer.data
self.assertEqual(set(data.keys()),
set(['id', 'library', 'book', 'user', 'added_date']))
def test_that_a_creation_of_waitlist_item_starts_a_notification_task(
self, notification_task):
borrower1 = User.objects.create(username="******",
email="*****@*****.**")
self.book.bookcopy_set.create(library=self.library, user=borrower1)
self.waitlist_item = WaitlistItem.create_item(
book=self.book,
library=self.library,
user=self.user,
)
notification_task.delay.assert_called_with(self.waitlist_item.id)
def test_should_not_create_waitlist_item_and_raise_exception_if_there_are_available_copies(
self, _):
self.copy.user = None
self.copy.save()
with self.assertRaises(ValueError):
item = WaitlistItem.create_item(
self.library,
self.book,
self.user,
)
def test_should_create_waitlist_item_and_return_its_value(self):
initialCount = WaitlistItem.objects.all().count()
item = WaitlistItem.create_item(
self.library, self.book, self.user,
)
finalCount = WaitlistItem.objects.all().count()
self.assertEqual(initialCount + 1, finalCount)
self.assertEqual(item.book, self.book)
self.assertEqual(item.user, self.user)
self.assertEqual(item.library, self.library)
self.assertIsNotNone(item.added_date)
def test_should_return_response_with_waitlist_item_when_create_item_is_successful(self):
created_item = WaitlistItem(
book=self.book,
library=self.library,
user=self.user,
added_date=timezone.now())
with patch.object(WaitlistItem, 'create_item', return_value=created_item):
response = self.client.post(self.base_url)
waitlist_item = response.data['waitlist_item']
self.assertEqual(waitlist_item['user']['username'], 'claudia')
self.assertIsNotNone(waitlist_item['added_date'])
self.assertEqual(waitlist_item['library']['slug'], self.library.slug)
self.assertEqual(waitlist_item['book']['id'], self.book.id)