public static void AddCaching(string method,
bool existsInStore,
bool addVaryHeader,
bool addLastModifiedHeader,
bool alreadyHasLastModified,
string[] varyByHeader)
{
// setup
var mocks = new MockRepository();
var request = new HttpRequestMessage(new HttpMethod(method), TestUrl);
request.Headers.Add(HttpHeaderNames.Accept, "text/xml");
request.Headers.Add(HttpHeaderNames.AcceptLanguage, "en-GB");
var entityTagStore = mocks.StrictMock<IEntityTagStore>();
var entityTagHeaderValue = new TimedEntityTagHeaderValue("\"12345678\"");
var cachingHandler = new CachingHandler(entityTagStore, varyByHeader)
{
AddLastModifiedHeader = addLastModifiedHeader,
AddVaryHeader = addVaryHeader,
ETagValueGenerator = (x,y) => entityTagHeaderValue
};
var entityTagKey = new CacheKey(TestUrl, new[] {"text/xml", "en-GB"}, TestUrl + "/*");
entityTagStore.Expect(x => x.TryGetValue(Arg<CacheKey>.Matches(etg => etg.ResourceUri == TestUrl),
out Arg<TimedEntityTagHeaderValue>.Out(entityTagHeaderValue).Dummy)).Return(existsInStore);
if (!existsInStore)
{
entityTagStore.Expect(
x => x.AddOrUpdate(Arg<CacheKey>.Matches(etk => etk == entityTagKey),
Arg<TimedEntityTagHeaderValue>.Matches(ethv => ethv.Tag == entityTagHeaderValue.Tag)));
}
var response = new HttpResponseMessage();
response.Content = new ByteArrayContent(new byte[0]);
if (alreadyHasLastModified)
response.Content.Headers.Add(HttpHeaderNames.LastModified, DateTimeOffset.Now.ToString("r"));
var cachingContinuation = cachingHandler.AddCaching(entityTagKey, request, response, request.Headers);
mocks.ReplayAll();
// run
cachingContinuation();
// verify
// test kast modified only if it is GET and PUT
if (addLastModifiedHeader && method.IsIn("PUT", "GET"))
{
Assert.That(response.Content.Headers.Any(x => x.Key == HttpHeaderNames.LastModified),
"LastModified does not exist");
}
if (!addLastModifiedHeader && !alreadyHasLastModified)
{
Assert.That(!response.Content.Headers.Any(x => x.Key == HttpHeaderNames.LastModified),
"LastModified exists");
}
mocks.VerifyAll();
}
public void Test_NoStore_ResultsIn_ExpiredResourceAndPragmaNoCache()
{
var request = new HttpRequestMessage(HttpMethod.Get, TestUrl);
request.Headers.Add(HttpHeaderNames.Accept, "text/xml");
var entityTagHeaderValue = new TimedEntityTagHeaderValue("\"12345678\"");
var cachingHandler = new CachingHandler(new HttpConfiguration())
{
ETagValueGenerator = (x, y) => entityTagHeaderValue,
CacheControlHeaderProvider = (r, c) =>
{
return new CacheControlHeaderValue()
{
NoStore = true,
NoCache = true
};
}
};
var response = request.CreateResponse(HttpStatusCode.Accepted);
cachingHandler.AddCaching(new CacheKey(TestUrl, new string[0]), request, response)();
Assert.IsTrue(response.Headers.Pragma.Any(x=>x.Name == "no-cache"), "no-cache not in pragma");
}