public async Task ClientRequest_CachedValueForUserAndShared_ReturnsUserValue()
{
// arrange
var state = new TestState();
var sharedResponse = state.AddToCache(DateTime.UtcNow.AddDays(1), addResponseContent: 1);
var userResponse = state.AddToCache(DateTime.UtcNow.AddDays(1), addResponseContent: 2, user: "******");
var serverResponse = state.AddHttpRequest(3);
// act
var response = await state.ExecuteRequest(user : "******");
// assert
await CustomAssert.AssertResponse(2, response);
}
public async Task ClientRequest_WithPreviouslyCachedValue_ReturnsCachedValue()
{
// arrange
var state = new TestState();
var cachedResponse = state.AddToCache(DateTime.UtcNow.AddDays(1), addResponseContent: 1);
var serverResponse = state.AddHttpRequest(2);
// act
var response = await state.ExecuteRequest();
// assert
await CustomAssert.AssertResponse(1, response);
state.Dependencies
.Verify(x => x.Send(It.IsAny <Tuple <HttpRequestMessage, CancellationToken> >()), Times.Never);
}
private static TestState SetUpWeakETagScenario(string secondResponseETag)
{
var state = new TestState();
state.AddToCache(
DateTime.MinValue,
addResponseContent: 4,
customHeaders: new[] { KeyValuePair.Create("x-custom-header", new[] { "cached value" }) },
expiry: NewSoft(new CacheSettings.RevalidationSettings(
DateTime.MinValue,
CacheSettings.Validator.NewETag(CacheSettings.EntityTag.NewWeak("\"etg 1\"")))));
var expectedResponse = state.AddHttpRequest(null, responseCode: 304);
expectedResponse.Headers.Add("x-custom-header", new[] { "server value" });
if (secondResponseETag != null)
{
expectedResponse.Headers.ETag = new EntityTagHeaderValue(secondResponseETag, true);
}
return(state);
}
public async Task ClientRequest_WithStrongETag_ServerReturns304_ConstructsResponseCorrectly()
{
// arrange
var state = new TestState();
state.AddToCache(
DateTime.MinValue,
addResponseContent: 4,
customHeaders: new[] { KeyValuePair.Create("x-custom-header", new[] { "cached value" }) },
expiry: NewSoft(new CacheSettings.RevalidationSettings(
DateTime.MinValue,
CacheSettings.Validator.NewETag(CacheSettings.EntityTag.NewStrong("\"etg 1\"")))));
var expectedResponse = state.AddHttpRequest(null, responseCode: 304);
expectedResponse.Headers.Add("x-custom-header", new[] { "server value" });
// act
var response = await state.ExecuteRequest();
// assert
await CustomAssert.AssertResponse(4, response);
state.Dependencies
.Verify(x => x.Cache.Put(It.IsAny <Tuple <string, CachingHttpClient.CachedValues> >()), Times.Never);
Assert.AreEqual("cached value", response.Headers.GetValues("x-custom-header").First());
Predicate <Tuple <HttpRequestMessage, CancellationToken> > assertHttpSend = AssertHttpSend;
state.Dependencies
.Verify(x => x.Send(Match.Create(assertHttpSend)), Times.Once);
bool AssertHttpSend(Tuple <HttpRequestMessage, CancellationToken> input)
{
Assert.AreEqual(@"""etg 1""", input.Item1.Headers.IfNoneMatch.First().Tag);
Assert.False(input.Item1.Headers.IfNoneMatch.First().IsWeak);
return(true);
}
}
