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Feature/timeout for http client (#319)

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* #318 http client obeys Qos timeout or defaults to 90 seconds, which is think is default for http client anyway but zero docs....

* #318 updated docs to specify default timeout and make it clear how to set it on a ReRoute basis

* #318 missed this

* #318 missed this
This commit is contained in:
Tom Pallister
2018-04-18 15:24:16 +01:00
committed by GitHub
parent f9dc8659c0
commit 5e1605882b
11 changed files with 236 additions and 51 deletions
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66
test/Ocelot.UnitTests/Requester/HttpClientHttpRequesterTest.cs
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@ -21,7 +21,7 @@ namespace Ocelot.UnitTests.Requester
public class HttpClientHttpRequesterTest
{
private readonly Mock<IHttpClientCache> _cacheHandlers;
private Mock<IDelegatingHandlerHandlerFactory> _factory;
private readonly Mock<IDelegatingHandlerHandlerFactory> _factory;
private Response<HttpResponseMessage> _response;
private readonly HttpClientHttpRequester _httpClientRequester;
private DownstreamContext _request;
@ -47,8 +47,12 @@ namespace Ocelot.UnitTests.Requester
[Fact]
public void should_call_request_correctly()
{
var reRoute = new DownstreamReRouteBuilder().WithIsQos(false)
.WithHttpHandlerOptions(new HttpHandlerOptions(false, false, false)).WithReRouteKey("").Build();
var reRoute = new DownstreamReRouteBuilder()
.WithIsQos(false)
.WithHttpHandlerOptions(new HttpHandlerOptions(false, false, false))
.WithReRouteKey("")
.WithQosOptions(new QoSOptionsBuilder().Build())
.Build();
var context = new DownstreamContext(new DefaultHttpContext())
{
@ -66,8 +70,12 @@ namespace Ocelot.UnitTests.Requester
[Fact]
public void should_call_request_unable_to_complete_request()
{
var reRoute = new DownstreamReRouteBuilder().WithIsQos(false)
.WithHttpHandlerOptions(new HttpHandlerOptions(false, false, false)).WithReRouteKey("").Build();
var reRoute = new DownstreamReRouteBuilder()
.WithIsQos(false)
.WithHttpHandlerOptions(new HttpHandlerOptions(false, false, false))
.WithReRouteKey("")
.WithQosOptions(new QoSOptionsBuilder().Build())
.Build();
var context = new DownstreamContext(new DefaultHttpContext())
{
@ -81,6 +89,30 @@ namespace Ocelot.UnitTests.Requester
.BDDfy();
}
[Fact]
public void http_client_request_times_out()
{
var reRoute = new DownstreamReRouteBuilder()
.WithIsQos(false)
.WithHttpHandlerOptions(new HttpHandlerOptions(false, false, false))
.WithReRouteKey("")
.WithQosOptions(new QoSOptionsBuilder().WithTimeoutValue(1).Build())
.Build();
var context = new DownstreamContext(new DefaultHttpContext())
{
DownstreamReRoute = reRoute,
DownstreamRequest = new DownstreamRequest(new HttpRequestMessage() { RequestUri = new Uri("http://localhost:60080") }),
};
this.Given(_ => GivenTheRequestIs(context))
.And(_ => GivenTheHouseReturnsTimeoutHandler())
.When(_ => WhenIGetResponse())
.Then(_ => ThenTheResponseIsCalledError())
.And(_ => ThenTheErrorIsTimeout())
.BDDfy();
}
private void GivenTheRequestIs(DownstreamContext request)
{
_request = request;
@ -101,6 +133,11 @@ namespace Ocelot.UnitTests.Requester
_response.IsError.ShouldBeTrue();
}
private void ThenTheErrorIsTimeout()
{
_response.Errors[0].ShouldBeOfType<RequestTimedOutError>();
}
private void GivenTheHouseReturnsOkHandler()
{
var handlers = new List<Func<DelegatingHandler>>
@ -111,6 +148,16 @@ namespace Ocelot.UnitTests.Requester
_factory.Setup(x => x.Get(It.IsAny<DownstreamReRoute>())).Returns(new OkResponse<List<Func<DelegatingHandler>>>(handlers));
}
private void GivenTheHouseReturnsTimeoutHandler()
{
var handlers = new List<Func<DelegatingHandler>>
{
() => new TimeoutDelegatingHandler()
};
_factory.Setup(x => x.Get(It.IsAny<DownstreamReRoute>())).Returns(new OkResponse<List<Func<DelegatingHandler>>>(handlers));
}
class OkDelegatingHandler : DelegatingHandler
{
protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
@ -118,5 +165,14 @@ namespace Ocelot.UnitTests.Requester
return Task.FromResult(new HttpResponseMessage());
}
}
class TimeoutDelegatingHandler : DelegatingHandler
{
protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
await Task.Delay(100000, cancellationToken);
return new HttpResponseMessage();
}
}
}
}