public static void TestPutIfUnmodifiedReturnsNullIfVerbNotPut()
{
// setup
var request = new HttpRequestMessage(HttpMethod.Get, TestUrl);
var entityTagHandler = new CachingHandler();
var getRule = entityTagHandler.PutIfUnmodifiedSince();
// run
var task = getRule(request);
// verify
Assert.IsNull(task);
}
public static void PutIfUnmodifiedTest(
bool resourceHasChanged,
bool expectReturnNull,
HttpStatusCode expectedStatus = HttpStatusCode.Unused)
{
// setup
var mocks = new MockRepository();
var entityTagStore = mocks.StrictMock<IEntityTagStore>();
var entityTagHandler = new CachingHandler(entityTagStore);
var request = new HttpRequestMessage(HttpMethod.Put, TestUrl);
DateTimeOffset lastChanged = DateTimeOffset.Now.Subtract(TimeSpan.FromDays(7));
DateTimeOffset lastModifiedInQuestion = resourceHasChanged
? lastChanged.Subtract(TimeSpan.FromDays(1))
: lastChanged.Add(TimeSpan.FromDays(1));
request.Headers.Add(HttpHeaderNames.IfUnmodifiedSince, lastModifiedInQuestion.ToString("r"));
TimedEntityTagHeaderValue entityTagHeaderValue = new TimedEntityTagHeaderValue("\"12345678\"") { LastModified = lastChanged };
entityTagStore.Expect(x => x.TryGetValue(Arg<CacheKey>.Matches(etg => etg.ResourceUri == entityTagHandler.UriTrimmer(new Uri(TestUrl))),
out Arg<TimedEntityTagHeaderValue>.Out(entityTagHeaderValue).Dummy)).Return(true);
mocks.ReplayAll();
// run
var modifiedUnmodifiedSince = entityTagHandler.PutIfUnmodifiedSince();
var task = modifiedUnmodifiedSince(request);
HttpResponseMessage response = task == null ? null : task.Result;
// verify
Assert.That(expectReturnNull ^ task != null, "result was not as expected");
if (task != null && expectedStatus != HttpStatusCode.Unused)
{
Assert.AreEqual(expectedStatus, response.StatusCode, "Status code");
}
mocks.VerifyAll();
}