public void OnLargeRequests_IsAsync()
{
// Arrange
var requests = new List <ParallelHttpRequest>();
var responses = new List <int>();
for (var i = 0; i < 8; i++)
{
var httpReq = new HttpRequestMessage()
{
Method = HttpMethod.Get,
RequestUri = new Uri(UnitTestUrlString + $"/{i}"),
};
var parallelReq = new ParallelHttpRequest(httpReq, Callback, i);
requests.Add(parallelReq);
}
var mockHttpMessageHandler = new MockHttpMessageHandler();
mockHttpMessageHandler.When(UnitTestUrlString + '*')
.Respond(Response);
var testClient = new ParallelHttpClient(mockHttpMessageHandler.ToHttpClient());
// Act
testClient.AwaitRequests(3, requests.ToArray()).GetAwaiter().GetResult();
// Assert
var actual = responses.ToArray();
var shouldNotBe = responses.OrderBy(x => x).ToArray();
Assert.NotEqual(shouldNotBe, actual);
// Misc
Task Callback(ParallelHttpResponse res)
{
responses.Add((int)res.Reference);
return(Task.CompletedTask);
}
async Task <HttpResponseMessage> Response(HttpRequestMessage msg)
{
var reference = int.Parse(msg.RequestUri.PathAndQuery.Last().ToString());
await Task.Delay(reference % 3 == 0? 4000 : 200);
responses.Add(reference);
return(new HttpResponseMessage(HttpStatusCode.OK));
}
}
public void OnCallbackException_PassExceptionToEvent()
{
// Arrange
const string thisShouldBeCaughtAndHandled = "This should be caught and handled";
var testRequestMessage = new HttpRequestMessage()
{
Method = HttpMethod.Get,
RequestUri = new Uri(UnitTestUrlString),
};
Task Callback(ParallelHttpResponse response) => throw new Exception(thisShouldBeCaughtAndHandled);
var testRequest = new ParallelHttpRequest(testRequestMessage, Callback);
var mockHttpMessageHandler = new MockHttpMessageHandler();
mockHttpMessageHandler.When(HttpMethod.Get, UnitTestUrlString)
.Respond("application/json", "{ }");
var mockHttpClient = mockHttpMessageHandler.ToHttpClient();
var testClient = new ParallelHttpClient(mockHttpClient, 1);
var exceptionHandled = false;
testClient.ExceptionInHttpRequest += (s, e) => { exceptionHandled = true; return(Task.CompletedTask); };
// Act
testClient.AwaitRequests(testRequest).GetAwaiter().GetResult();
// Assert
Assert.True(exceptionHandled, "Exception is never thrown");
}
