def test_cache_miss_slow_database_read(admin_client, international_root_page):
class SlowSerializer(Serializer):
def to_representation(self, instance):
time.sleep(3)
return {}
service_name = cms.GREAT_INTERNATIONAL
page = InternationalArticlePageFactory.create(
parent=international_root_page, live=True)
url = reverse('api:lookup-by-slug', kwargs={'slug': page.slug})
# given the page is very slow to read
with mock.patch.dict(serializer_mapping.MODELS_SERIALIZERS_MAPPING,
{page.__class__: SlowSerializer}):
response = admin_client.get(url, {'service_name': service_name})
# then the response results in 501
assert response.status_code == 501
def test_cache_etags_mismatch(admin_client, international_root_page):
service_name = cms.GREAT_INTERNATIONAL
# given there exists a page that is cached
page = InternationalArticlePageFactory.create(
parent=international_root_page, live=True)
# when the page is retrieved
url = reverse('api:lookup-by-slug', kwargs={'slug': page.slug})
admin_client.get(url, {'service_name': service_name})
# then exposing the same etag in subsequent responses results in 304
response_two = admin_client.get(
url,
{'service_name': service_name},
HTTP_IF_NONE_MATCH='something-123',
)
assert isinstance(response_two, CachedResponse)
assert response_two.status_code == 200
assert response_two.content
def test_cache_etags_match(admin_client, international_root_page):
service_name = cms.GREAT_INTERNATIONAL
# given there exists a page that is cached
page = InternationalArticlePageFactory.create(
parent=international_root_page, live=True)
url = reverse('api:lookup-by-slug', kwargs={'slug': page.slug})
admin_client.get(url, {'service_name': service_name})
# and the cached page is retrieved
response_two = admin_client.get(url, {'service_name': service_name})
# then exposing the same etag in subsequent responses results in 304
response_three = admin_client.get(
url,
{'service_name': service_name},
HTTP_IF_NONE_MATCH=response_two['ETag'],
)
assert response_three.status_code == 304
assert response_three.content == b''