def test_get_or_create_tags_should_return_tags(self):
books_tag = get_or_create_tag('Book', self.user)
movies_tag = get_or_create_tag('Movie', self.user)
tags = get_or_create_tags(['book', 'movie'], self.user)
self.assertEqual(len(tags), 2)
self.assertListEqual(tags, [books_tag, movies_tag])
def test_get_or_create_tag_should_ignore_casing_when_looking_for_existing_tag(self):
first_tag = get_or_create_tag('Book', self.user)
second_tag = get_or_create_tag('book', self.user)
tags = Tag.objects.all()
self.assertEqual(len(tags), 1)
self.assertEqual(first_tag.id, second_tag.id)
def test_get_or_create_tag_should_return_existing_tag(self):
first_tag = get_or_create_tag('Book', self.user)
second_tag = get_or_create_tag('Book', self.user)
tags = Tag.objects.all()
self.assertEqual(len(tags), 1)
self.assertEqual(first_tag.id, second_tag.id)
def test_get_or_create_tag_should_create_new_tag(self):
get_or_create_tag('Book', self.user)
tags = Tag.objects.all()
self.assertEqual(len(tags), 1)
self.assertEqual(tags[0].name, 'Book')
self.assertEqual(tags[0].owner, self.user)
self.assertTrue(abs(tags[0].date_added - timezone.now()) < datetime.timedelta(seconds=10))
def test_get_or_create_tags_should_deduplicate_tags(self):
books_tag = get_or_create_tag('Book', self.user)
tags = get_or_create_tags(['book', 'Book', 'BOOK'], self.user)
self.assertEqual(len(tags), 1)
self.assertListEqual(tags, [books_tag])
def test_get_or_create_tag_should_handle_legacy_dbs_with_existing_duplicates(self):
first_tag = Tag.objects.create(name='book', date_added=timezone.now(), owner=self.user)
Tag.objects.create(name='Book', date_added=timezone.now(), owner=self.user)
retrieved_tag = get_or_create_tag('Book', self.user)
self.assertEqual(first_tag.id, retrieved_tag.id)
def create(self, validated_data):
return get_or_create_tag(validated_data['name'], self.context['user'])
