def test_cacheable(self):
req = HttpRequest()
req.path = "/some/path"
req.method = "GET"
self.assertTrue(request_is_cacheable(req))
req.user = AnonymousUser()
self.assertTrue(request_is_cacheable(req))
req.method = "POST"
self.assertFalse(request_is_cacheable(req))
req.method = "GET"
self.assertTrue(request_is_cacheable(req))
# TODO: ensure that messages works
res = HttpResponse("fun times")
self.assertTrue(response_is_cacheable(res))
redirect = HttpResponseRedirect("someurl")
self.assertFalse(response_is_cacheable(redirect))
res['Pragma'] = "no-cache"
self.assertFalse(response_is_cacheable(res))
def test_cacheable(self):
req = HttpRequest()
req.path = "/some/path"
req.method = "GET"
self.assertTrue(request_is_cacheable(req))
req.user = AnonymousUser()
self.assertTrue(request_is_cacheable(req))
req.method = "POST"
self.assertFalse(request_is_cacheable(req))
req.method = "GET"
self.assertTrue(request_is_cacheable(req))
# TODO: ensure that messages works
res = HttpResponse("fun times")
self.assertTrue(response_is_cacheable(res))
redirect = HttpResponseRedirect("someurl")
self.assertFalse(response_is_cacheable(redirect))
res['Pragma'] = "no-cache"
self.assertFalse(response_is_cacheable(res))
def decorated(self, request, *args, **kwargs):
debug("starting")
try:
if not settings.CACHES['default']['JOHNNY_CACHE']:
raise KeyError
except KeyError:
raise ImproperlyConfigured('Not using johnny cache backend')
if request_is_cacheable(request):
key = get_cache_key(request)
debug("Retrievable.")
cached = cache.get(key)
if cached is not None:
debug("serving from cache")
res = HttpResponse(cached)
res["ETag"] = key
return res
debug("generating!")
response = self.f(request, *args, **kwargs)
if response_is_cacheable(request, response):
debug("storing!")
cache.set(key, response.content, self.time)
response["ETag"] = key
else:
debug("Not storable.")
return response
debug("Not retrievable.")
debug("generating!")
return self.f(request, *args, **kwargs)
def decorated(self, request, *args, **kwargs):
debug("starting")
try:
if not settings.CACHES['default']['JOHNNY_CACHE']:
raise KeyError
except KeyError:
raise ImproperlyConfigured('Not using johnny cache backend')
if request_is_cacheable(request):
key = get_cache_key(request)
debug("Retrievable.")
cached = cache.get(key)
if cached is not None:
debug("serving from cache")
res = HttpResponse(cached)
res["ETag"] = key
return res
debug("generating!")
response = self.f(request, *args, **kwargs)
if response_is_cacheable(request, response):
debug("storing!")
cache.set(key, response.content, self.time)
response["ETag"] = key
else:
debug("Not storable.")
return response
debug("Not retrievable.")
debug("generating!")
return self.f(request, *args, **kwargs)
def test_dont_cache_if_vary_is_cookie(self):
request = self.factory.get("/")
response = HttpResponse()
response['Vary'] = "Cookie"
self.assertFalse(response_is_cacheable(request, response))
def test_dont_cache_if_pragma_says_so(self):
request = self.factory.get("/")
response = HttpResponse()
response['Pragma'] = "no-cache"
self.assertFalse(response_is_cacheable(request, response))
def test_dont_cache_redirects(self):
request = self.factory.get("/")
response = HttpResponseRedirect("/other/")
self.assertFalse(response_is_cacheable(request, response))
def test_dont_cache_responses_that_include_messages(self):
request = self.factory.get("/")
response = self.client.get("/test_messages/")
self.assertFalse(response_is_cacheable(request, response))
def test_cache_simple_responses(self):
request = self.factory.get("/")
response = HttpResponse("foo")
self.assertTrue(response_is_cacheable(request, response))
