Class TestCacheControlRequest

tests/test_cache_control.py:225–307

class TestCacheControlRequest:
    url = "http://foo.com/bar"

    def setup_method(self):
        self.c = CacheController(DictCache(), serializer=NullSerializer())

    def req(self, headers):
        mock_request = Mock(url=self.url, headers=headers)
        return self.c.cached_request(mock_request)

    def test_cache_request_no_headers(self):
        cached_resp = Mock(
            headers={"ETag": "jfd9094r808", "Content-Length": 100}, status=200
        )
        self.c.cache = DictCache({self.url: cached_resp})
        resp = self.req({})
        assert not resp

    def test_cache_request_no_cache(self):
        resp = self.req({"cache-control": "no-cache"})
        assert not resp

    def test_cache_request_pragma_no_cache(self):
        resp = self.req({"pragma": "no-cache"})
        assert not resp

    def test_cache_request_no_store(self):
        resp = self.req({"cache-control": "no-store"})
        assert not resp

    def test_cache_request_max_age_0(self):
        resp = self.req({"cache-control": "max-age=0"})
        assert not resp

    def test_cache_request_not_in_cache(self):
        resp = self.req({})
        assert not resp

    def test_cache_request_fresh_max_age(self):
        now = time.strftime(TIME_FMT, time.gmtime())
        resp = Mock(headers={"cache-control": "max-age=3600", "date": now}, status=200)

        cache = DictCache({self.url: resp})
        self.c.cache = cache
        r = self.req({})
        assert r == resp

    def test_cache_request_unfresh_max_age(self):
        earlier = time.time() - 3700  # epoch - 1h01m40s
        now = time.strftime(TIME_FMT, time.gmtime(earlier))
        resp = Mock(headers={"cache-control": "max-age=3600", "date": now}, status=200)
        self.c.cache = DictCache({self.url: resp})
        r = self.req({})
        assert not r

    def test_cache_request_fresh_expires(self):
        later = time.time() + 86400  # GMT + 1 day
        expires = time.strftime(TIME_FMT, time.gmtime(later))