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Remove Ocelot specific Middleware to make Ocelot more compatible with kestrel middleware and get ready for YARP
This commit is contained in:
Tom Pallister
@ -0,0 +1,86 @@
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using Microsoft.Extensions.DependencyInjection;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.Multiplexer;
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using Ocelot.Responses;
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using Shouldly;
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using TestStack.BDDfy;
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using Xunit;
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using static Ocelot.UnitTests.Multiplexing.UserDefinedResponseAggregatorTests;
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namespace Ocelot.UnitTests.Multiplexing
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{
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public class DefinedAggregatorProviderTests
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{
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private ServiceLocatorDefinedAggregatorProvider _provider;
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private Response<IDefinedAggregator> _aggregator;
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private ReRoute _reRoute;
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[Fact]
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public void should_find_aggregator()
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{
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var reRoute = new ReRouteBuilder()
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.WithAggregator("TestDefinedAggregator")
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.Build();
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this.Given(_ => GivenDefinedAggregator())
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.And(_ => GivenReRoute(reRoute))
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.When(_ => WhenIGet())
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.Then(_ => ThenTheAggregatorIsReturned())
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.BDDfy();
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}
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[Fact]
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public void should_not_find_aggregator()
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{
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var reRoute = new ReRouteBuilder()
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.WithAggregator("TestDefinedAggregator")
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.Build();
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this.Given(_ => GivenNoDefinedAggregator())
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.And(_ => GivenReRoute(reRoute))
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.When(_ => WhenIGet())
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.Then(_ => ThenAnErrorIsReturned())
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.BDDfy();
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}
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private void GivenDefinedAggregator()
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{
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var serviceCollection = new ServiceCollection();
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serviceCollection.AddSingleton<IDefinedAggregator, TestDefinedAggregator>();
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var services = serviceCollection.BuildServiceProvider();
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_provider = new ServiceLocatorDefinedAggregatorProvider(services);
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}
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private void ThenTheAggregatorIsReturned()
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{
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_aggregator.Data.ShouldNotBeNull();
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_aggregator.Data.ShouldBeOfType<TestDefinedAggregator>();
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_aggregator.IsError.ShouldBeFalse();
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}
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private void GivenNoDefinedAggregator()
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{
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var serviceCollection = new ServiceCollection();
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var services = serviceCollection.BuildServiceProvider();
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_provider = new ServiceLocatorDefinedAggregatorProvider(services);
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}
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private void GivenReRoute(ReRoute reRoute)
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{
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_reRoute = reRoute;
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}
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private void WhenIGet()
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{
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_aggregator = _provider.Get(_reRoute);
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}
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private void ThenAnErrorIsReturned()
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{
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_aggregator.IsError.ShouldBeTrue();
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_aggregator.Errors[0].Message.ShouldBe("Could not find Aggregator: TestDefinedAggregator");
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_aggregator.Errors[0].ShouldBeOfType<CouldNotFindAggregatorError>();
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}
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}
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}
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@ -0,0 +1,81 @@
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namespace Ocelot.UnitTests.Multiplexing
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{
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using Microsoft.AspNetCore.Http;
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using Moq;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.DownstreamRouteFinder;
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using Ocelot.DownstreamRouteFinder.UrlMatcher;
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using Ocelot.Logging;
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using Ocelot.Middleware;
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using Ocelot.Multiplexer;
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using Shouldly;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using TestStack.BDDfy;
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using Xunit;
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public class MultiplexingMiddlewareTests
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{
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private readonly MultiplexingMiddleware _middleware;
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private DownstreamRoute _downstreamRoute;
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private int _count;
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private Mock<IResponseAggregator> _aggregator;
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private Mock<IResponseAggregatorFactory> _factory;
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private HttpContext _httpContext;
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private RequestDelegate _next;
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private Mock<IOcelotLoggerFactory> _loggerFactory;
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private Mock<IOcelotLogger> _logger;
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public MultiplexingMiddlewareTests()
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{
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_httpContext = new DefaultHttpContext();
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_factory = new Mock<IResponseAggregatorFactory>();
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_aggregator = new Mock<IResponseAggregator>();
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_factory.Setup(x => x.Get(It.IsAny<ReRoute>())).Returns(_aggregator.Object);
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_loggerFactory = new Mock<IOcelotLoggerFactory>();
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_logger = new Mock<IOcelotLogger>();
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_loggerFactory.Setup(x => x.CreateLogger<MultiplexingMiddleware>()).Returns(_logger.Object);
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_next = context => Task.FromResult(_count++);
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_middleware = new MultiplexingMiddleware(_next, _loggerFactory.Object, _factory.Object);
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}
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[Fact]
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public void should_multiplex()
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{
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var reRoute = new ReRouteBuilder().WithDownstreamReRoute(new DownstreamReRouteBuilder().Build()).WithDownstreamReRoute(new DownstreamReRouteBuilder().Build()).Build();
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this.Given(x => GivenTheFollowing(reRoute))
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.When(x => WhenIMultiplex())
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.Then(x => ThePipelineIsCalled(2))
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.BDDfy();
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}
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[Fact]
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public void should_not_multiplex()
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{
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var reRoute = new ReRouteBuilder().WithDownstreamReRoute(new DownstreamReRouteBuilder().Build()).Build();
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this.Given(x => GivenTheFollowing(reRoute))
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.When(x => WhenIMultiplex())
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.Then(x => ThePipelineIsCalled(1))
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.BDDfy();
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}
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private void GivenTheFollowing(ReRoute reRoute)
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{
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_downstreamRoute = new DownstreamRoute(new List<PlaceholderNameAndValue>(), reRoute);
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_httpContext.Items.UpsertDownstreamRoute(_downstreamRoute);
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}
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private void WhenIMultiplex()
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{
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_middleware.Invoke(_httpContext).GetAwaiter().GetResult();
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}
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private void ThePipelineIsCalled(int expected)
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{
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_count.ShouldBe(expected);
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}
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}
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}
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@ -0,0 +1,65 @@
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namespace Ocelot.UnitTests.Multiplexing
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{
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using Moq;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.Multiplexer;
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using Shouldly;
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using TestStack.BDDfy;
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using Xunit;
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public class ResponseAggregatorFactoryTests
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{
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private readonly InMemoryResponseAggregatorFactory _factory;
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private Mock<IDefinedAggregatorProvider> _provider;
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private ReRoute _reRoute;
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private IResponseAggregator _aggregator;
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public ResponseAggregatorFactoryTests()
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{
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_provider = new Mock<IDefinedAggregatorProvider>();
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_aggregator = new SimpleJsonResponseAggregator();
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_factory = new InMemoryResponseAggregatorFactory(_provider.Object, _aggregator);
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}
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[Fact]
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public void should_return_simple_json_aggregator()
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{
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var reRoute = new ReRouteBuilder()
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.Build();
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this.Given(_ => GivenReRoute(reRoute))
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.When(_ => WhenIGet())
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.Then(_ => ThenTheAggregatorIs<SimpleJsonResponseAggregator>())
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.BDDfy();
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}
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[Fact]
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public void should_return_user_defined_aggregator()
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{
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var reRoute = new ReRouteBuilder()
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.WithAggregator("doesntmatter")
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.Build();
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this.Given(_ => GivenReRoute(reRoute))
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.When(_ => WhenIGet())
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.Then(_ => ThenTheAggregatorIs<UserDefinedResponseAggregator>())
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.BDDfy();
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}
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private void GivenReRoute(ReRoute reRoute)
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{
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_reRoute = reRoute;
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}
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private void WhenIGet()
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{
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_aggregator = _factory.Get(_reRoute);
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}
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private void ThenTheAggregatorIs<T>()
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{
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_aggregator.ShouldBeOfType<T>();
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}
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}
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}
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@ -0,0 +1,211 @@
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using Castle.Components.DictionaryAdapter;
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using Microsoft.AspNetCore.Http;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.Configuration.File;
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using Ocelot.Middleware;
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using Ocelot.Multiplexer;
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using Ocelot.UnitTests.Responder;
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using Ocelot.Values;
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using Shouldly;
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Http;
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using System.Text;
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using TestStack.BDDfy;
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using Xunit;
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namespace Ocelot.UnitTests.Multiplexing
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{
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public class SimpleJsonResponseAggregatorTests
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{
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private readonly SimpleJsonResponseAggregator _aggregator;
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private List<HttpContext> _downstreamContexts;
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private HttpContext _upstreamContext;
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private ReRoute _reRoute;
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public SimpleJsonResponseAggregatorTests()
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{
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_aggregator = new SimpleJsonResponseAggregator();
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}
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[Fact]
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public void should_aggregate_n_responses_and_set_response_content_on_upstream_context_withConfig()
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{
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var commentsDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("Comments").Build();
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var userDetailsDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("UserDetails")
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.WithUpstreamPathTemplate(new UpstreamPathTemplate("", 0, false, "/v1/users/{userId}"))
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.Build();
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var downstreamReRoutes = new List<DownstreamReRoute>
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{
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commentsDownstreamReRoute,
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userDetailsDownstreamReRoute
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};
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var reRoute = new ReRouteBuilder()
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.WithDownstreamReRoutes(downstreamReRoutes)
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.WithAggregateReRouteConfig(new List<AggregateReRouteConfig>()
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{
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new AggregateReRouteConfig(){ReRouteKey = "UserDetails",JsonPath = "$[*].writerId",Parameter = "userId"}
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})
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.Build();
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var commentsResponseContent = @"[{""id"":1,""writerId"":1,""postId"":1,""text"":""text1""},{""id"":2,""writerId"":2,""postId"":2,""text"":""text2""},{""id"":3,""writerId"":2,""postId"":1,""text"":""text21""}]";
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var commentsDownstreamContext = new DefaultHttpContext();
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commentsDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent(commentsResponseContent, Encoding.UTF8, "application/json"), HttpStatusCode.OK, new EditableList<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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commentsDownstreamContext.Items.UpsertDownstreamReRoute(commentsDownstreamReRoute);
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var userDetailsResponseContent = @"[{""id"":1,""firstName"":""abolfazl"",""lastName"":""rajabpour""},{""id"":2,""firstName"":""reza"",""lastName"":""rezaei""}]";
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var userDetailsDownstreamContext = new DefaultHttpContext();
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userDetailsDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent(userDetailsResponseContent, Encoding.UTF8, "application/json"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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userDetailsDownstreamContext.Items.UpsertDownstreamReRoute(userDetailsDownstreamReRoute);
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var downstreamContexts = new List<HttpContext> { commentsDownstreamContext, userDetailsDownstreamContext };
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var expected = "{\"Comments\":" + commentsResponseContent + ",\"UserDetails\":" + userDetailsResponseContent + "}";
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this.Given(x => GivenTheUpstreamContext(new DefaultHttpContext()))
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.And(x => GivenTheReRoute(reRoute))
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.And(x => GivenTheDownstreamContext(downstreamContexts))
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.When(x => WhenIAggregate())
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.Then(x => ThenTheContentIs(expected))
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.And(x => ThenTheContentTypeIs("application/json"))
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.And(x => ThenTheReasonPhraseIs("cannot return from aggregate..which reason phrase would you use?"))
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.BDDfy();
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}
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[Fact]
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public void should_aggregate_n_responses_and_set_response_content_on_upstream_context()
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{
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var billDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("Bill").Build();
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var georgeDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("George").Build();
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var downstreamReRoutes = new List<DownstreamReRoute>
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{
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billDownstreamReRoute,
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georgeDownstreamReRoute
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};
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var reRoute = new ReRouteBuilder()
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.WithDownstreamReRoutes(downstreamReRoutes)
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.Build();
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var billDownstreamContext = new DefaultHttpContext();
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billDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Bill says hi"), HttpStatusCode.OK, new EditableList<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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billDownstreamContext.Items.UpsertDownstreamReRoute(billDownstreamReRoute);
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var georgeDownstreamContext = new DefaultHttpContext();
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georgeDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("George says hi"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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georgeDownstreamContext.Items.UpsertDownstreamReRoute(georgeDownstreamReRoute);
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var downstreamContexts = new List<HttpContext> { billDownstreamContext, georgeDownstreamContext };
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var expected = "{\"Bill\":Bill says hi,\"George\":George says hi}";
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this.Given(x => GivenTheUpstreamContext(new DefaultHttpContext()))
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.And(x => GivenTheReRoute(reRoute))
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.And(x => GivenTheDownstreamContext(downstreamContexts))
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.When(x => WhenIAggregate())
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.Then(x => ThenTheContentIs(expected))
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.And(x => ThenTheContentTypeIs("application/json"))
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.And(x => ThenTheReasonPhraseIs("cannot return from aggregate..which reason phrase would you use?"))
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.BDDfy();
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}
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[Fact]
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public void should_return_error_if_any_downstreams_have_errored()
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{
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var billDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("Bill").Build();
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var georgeDownstreamReRoute = new DownstreamReRouteBuilder().WithKey("George").Build();
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var downstreamReRoutes = new List<DownstreamReRoute>
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{
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billDownstreamReRoute,
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georgeDownstreamReRoute
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};
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|
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var reRoute = new ReRouteBuilder()
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.WithDownstreamReRoutes(downstreamReRoutes)
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.Build();
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var billDownstreamContext = new DefaultHttpContext();
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billDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Bill says hi"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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billDownstreamContext.Items.UpsertDownstreamReRoute(billDownstreamReRoute);
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var georgeDownstreamContext = new DefaultHttpContext();
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georgeDownstreamContext.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Error"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
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georgeDownstreamContext.Items.UpsertDownstreamReRoute(georgeDownstreamReRoute);
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georgeDownstreamContext.Items.SetError(new AnyError());
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var downstreamContexts = new List<HttpContext> { billDownstreamContext, georgeDownstreamContext };
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var expected = "Error";
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this.Given(x => GivenTheUpstreamContext(new DefaultHttpContext()))
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.And(x => GivenTheReRoute(reRoute))
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.And(x => GivenTheDownstreamContext(downstreamContexts))
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.When(x => WhenIAggregate())
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.Then(x => ThenTheContentIs(expected))
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.And(x => ThenTheErrorIsMapped())
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.BDDfy();
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}
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|
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private void ThenTheReasonPhraseIs(string expected)
|
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{
|
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_upstreamContext.Items.DownstreamResponse().ReasonPhrase.ShouldBe(expected);
|
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}
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||||
|
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private void ThenTheErrorIsMapped()
|
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{
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_upstreamContext.Items.Errors().ShouldBe(_downstreamContexts[1].Items.Errors());
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_upstreamContext.Items.DownstreamResponse().ShouldBe(_downstreamContexts[1].Items.DownstreamResponse());
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}
|
||||
|
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private void GivenTheReRoute(ReRoute reRoute)
|
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{
|
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_reRoute = reRoute;
|
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}
|
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|
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private void GivenTheUpstreamContext(HttpContext upstreamContext)
|
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{
|
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_upstreamContext = upstreamContext;
|
||||
}
|
||||
|
||||
private void GivenTheDownstreamContext(List<HttpContext> downstreamContexts)
|
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{
|
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_downstreamContexts = downstreamContexts;
|
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}
|
||||
|
||||
private void WhenIAggregate()
|
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{
|
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_aggregator.Aggregate(_reRoute, _upstreamContext, _downstreamContexts).GetAwaiter().GetResult();
|
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}
|
||||
|
||||
private void ThenTheContentIs(string expected)
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{
|
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var content = _upstreamContext.Items.DownstreamResponse().Content.ReadAsStringAsync()
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.GetAwaiter()
|
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.GetResult();
|
||||
|
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content.ShouldBe(expected);
|
||||
}
|
||||
|
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private void ThenTheContentTypeIs(string expected)
|
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{
|
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_upstreamContext.Items.DownstreamResponse().Content.Headers.ContentType.MediaType.ShouldBe(expected);
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}
|
||||
|
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private void ThenTheUpstreamContextIsMappedForNonAggregate()
|
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{
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_upstreamContext.Items.DownstreamRequest().ShouldBe(_downstreamContexts[0].Items.DownstreamRequest());
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||||
_upstreamContext.Items.DownstreamRequest().ShouldBe(_downstreamContexts[0].Items.DownstreamRequest());
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_upstreamContext.Items.Errors().ShouldBe(_downstreamContexts[0].Items.Errors());
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}
|
||||
}
|
||||
}
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@ -0,0 +1,152 @@
|
||||
namespace Ocelot.UnitTests.Multiplexing
|
||||
{
|
||||
using Microsoft.AspNetCore.Http;
|
||||
using Moq;
|
||||
using Ocelot.Configuration;
|
||||
using Ocelot.Configuration.Builder;
|
||||
using Ocelot.Middleware;
|
||||
using Ocelot.Multiplexer;
|
||||
using Ocelot.Responses;
|
||||
using Ocelot.UnitTests.Responder;
|
||||
using Shouldly;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Net;
|
||||
using System.Net.Http;
|
||||
using System.Threading.Tasks;
|
||||
using TestStack.BDDfy;
|
||||
using Xunit;
|
||||
|
||||
public class UserDefinedResponseAggregatorTests
|
||||
{
|
||||
private readonly UserDefinedResponseAggregator _aggregator;
|
||||
private readonly Mock<IDefinedAggregatorProvider> _provider;
|
||||
private ReRoute _reRoute;
|
||||
private List<HttpContext> _contexts;
|
||||
private HttpContext _context;
|
||||
|
||||
public UserDefinedResponseAggregatorTests()
|
||||
{
|
||||
_provider = new Mock<IDefinedAggregatorProvider>();
|
||||
_aggregator = new UserDefinedResponseAggregator(_provider.Object);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void should_call_aggregator()
|
||||
{
|
||||
var reRoute = new ReRouteBuilder().Build();
|
||||
|
||||
var context = new DefaultHttpContext();
|
||||
|
||||
var contextA = new DefaultHttpContext();
|
||||
contextA.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Tom"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
|
||||
|
||||
var contextB = new DefaultHttpContext();
|
||||
contextB.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Laura"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
|
||||
|
||||
var contexts = new List<HttpContext>()
|
||||
{
|
||||
contextA,
|
||||
contextB,
|
||||
};
|
||||
|
||||
this.Given(_ => GivenTheProviderReturnsAggregator())
|
||||
.And(_ => GivenReRoute(reRoute))
|
||||
.And(_ => GivenContexts(contexts))
|
||||
.And(_ => GivenContext(context))
|
||||
.When(_ => WhenIAggregate())
|
||||
.Then(_ => ThenTheProviderIsCalled())
|
||||
.And(_ => ThenTheContentIsCorrect())
|
||||
.BDDfy();
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void should_not_find_aggregator()
|
||||
{
|
||||
var reRoute = new ReRouteBuilder().Build();
|
||||
|
||||
var context = new DefaultHttpContext();
|
||||
|
||||
var contextA = new DefaultHttpContext();
|
||||
contextA.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Tom"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
|
||||
|
||||
var contextB = new DefaultHttpContext();
|
||||
contextB.Items.UpsertDownstreamResponse(new DownstreamResponse(new StringContent("Laura"), HttpStatusCode.OK, new List<KeyValuePair<string, IEnumerable<string>>>(), "some reason"));
|
||||
|
||||
var contexts = new List<HttpContext>()
|
||||
{
|
||||
contextA,
|
||||
contextB,
|
||||
};
|
||||
|
||||
this.Given(_ => GivenTheProviderReturnsError())
|
||||
.And(_ => GivenReRoute(reRoute))
|
||||
.And(_ => GivenContexts(contexts))
|
||||
.And(_ => GivenContext(context))
|
||||
.When(_ => WhenIAggregate())
|
||||
.Then(_ => ThenTheProviderIsCalled())
|
||||
.And(_ => ThenTheErrorIsReturned())
|
||||
.BDDfy();
|
||||
}
|
||||
|
||||
private void ThenTheErrorIsReturned()
|
||||
{
|
||||
_context.Items.Errors().Count.ShouldBeGreaterThan(0);
|
||||
_context.Items.Errors().Count.ShouldBe(1);
|
||||
}
|
||||
|
||||
private void GivenTheProviderReturnsError()
|
||||
{
|
||||
_provider.Setup(x => x.Get(It.IsAny<ReRoute>())).Returns(new ErrorResponse<IDefinedAggregator>(new AnyError()));
|
||||
}
|
||||
|
||||
private async Task ThenTheContentIsCorrect()
|
||||
{
|
||||
var content = await _context.Items.DownstreamResponse().Content.ReadAsStringAsync();
|
||||
content.ShouldBe("Tom, Laura");
|
||||
}
|
||||
|
||||
private void ThenTheProviderIsCalled()
|
||||
{
|
||||
_provider.Verify(x => x.Get(_reRoute), Times.Once);
|
||||
}
|
||||
|
||||
private void GivenContext(HttpContext context)
|
||||
{
|
||||
_context = context;
|
||||
}
|
||||
|
||||
private void GivenContexts(List<HttpContext> contexts)
|
||||
{
|
||||
_contexts = contexts;
|
||||
}
|
||||
|
||||
private async Task WhenIAggregate()
|
||||
{
|
||||
await _aggregator.Aggregate(_reRoute, _context, _contexts);
|
||||
}
|
||||
|
||||
private void GivenTheProviderReturnsAggregator()
|
||||
{
|
||||
var aggregator = new TestDefinedAggregator();
|
||||
_provider.Setup(x => x.Get(It.IsAny<ReRoute>())).Returns(new OkResponse<IDefinedAggregator>(aggregator));
|
||||
}
|
||||
|
||||
private void GivenReRoute(ReRoute reRoute)
|
||||
{
|
||||
_reRoute = reRoute;
|
||||
}
|
||||
|
||||
public class TestDefinedAggregator : IDefinedAggregator
|
||||
{
|
||||
public async Task<DownstreamResponse> Aggregate(List<HttpContext> responses)
|
||||
{
|
||||
var tom = await responses[0].Items.DownstreamResponse().Content.ReadAsStringAsync();
|
||||
var laura = await responses[1].Items.DownstreamResponse().Content.ReadAsStringAsync();
|
||||
var content = $"{tom}, {laura}";
|
||||
var headers = responses.SelectMany(x => x.Items.DownstreamResponse().Headers).ToList();
|
||||
return new DownstreamResponse(new StringContent(content), HttpStatusCode.OK, headers, "some reason");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user