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Feature/dont validate cached content headers (#406)
* #372 use period timespan to decide when client can make requests again * #400 dont validate cached body headers
This commit is contained in:
Tom Pallister
@@ -1,124 +1,140 @@
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namespace Ocelot.UnitTests.Cache
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{
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using System;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Moq;
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using Ocelot.Cache;
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using Ocelot.Cache.Middleware;
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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 TestStack.BDDfy;
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using Xunit;
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using System.Net;
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using Ocelot.Middleware;
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using Ocelot.Middleware.Multiplexer;
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public class OutputCacheMiddlewareTests
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{
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private readonly Mock<IOcelotCache<CachedResponse>> _cacheManager;
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private readonly Mock<IOcelotLoggerFactory> _loggerFactory;
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private Mock<IOcelotLogger> _logger;
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private OutputCacheMiddleware _middleware;
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private readonly DownstreamContext _downstreamContext;
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private readonly OcelotRequestDelegate _next;
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private CachedResponse _response;
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private readonly IRegionCreator _regionCreator;
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public OutputCacheMiddlewareTests()
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{
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_cacheManager = new Mock<IOcelotCache<CachedResponse>>();
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_regionCreator = new RegionCreator();
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_downstreamContext = new DownstreamContext(new DefaultHttpContext());
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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<OutputCacheMiddleware>()).Returns(_logger.Object);
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_next = context => Task.CompletedTask;
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_downstreamContext.DownstreamRequest = new Ocelot.Request.Middleware.DownstreamRequest(new HttpRequestMessage(HttpMethod.Get, "https://some.url/blah?abcd=123"));
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}
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[Fact]
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public void should_returned_cached_item_when_it_is_in_cache()
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{
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var headers = new Dictionary<string, IEnumerable<string>>
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{
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{ "test", new List<string> { "test" } }
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};
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var contentHeaders = new Dictionary<string, IEnumerable<string>>
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{
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{ "content-type", new List<string> { "application/json" } }
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};
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var cachedResponse = new CachedResponse(HttpStatusCode.OK, headers, "", contentHeaders);
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this.Given(x => x.GivenThereIsACachedResponse(cachedResponse))
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.And(x => x.GivenTheDownstreamRouteIs())
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.When(x => x.WhenICallTheMiddleware())
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.Then(x => x.ThenTheCacheGetIsCalledCorrectly())
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.BDDfy();
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}
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[Fact]
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public void should_continue_with_pipeline_and_cache_response()
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{
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this.Given(x => x.GivenResponseIsNotCached())
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.And(x => x.GivenTheDownstreamRouteIs())
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.When(x => x.WhenICallTheMiddleware())
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.Then(x => x.ThenTheCacheAddIsCalledCorrectly())
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.BDDfy();
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}
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private void WhenICallTheMiddleware()
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{
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_middleware = new OutputCacheMiddleware(_next, _loggerFactory.Object, _cacheManager.Object, _regionCreator);
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_middleware.Invoke(_downstreamContext).GetAwaiter().GetResult();
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}
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private void GivenThereIsACachedResponse(CachedResponse response)
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{
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_response = response;
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_cacheManager
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.Setup(x => x.Get(It.IsAny<string>(), It.IsAny<string>()))
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.Returns(_response);
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}
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private void GivenResponseIsNotCached()
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{
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_downstreamContext.DownstreamResponse = new DownstreamResponse(new HttpResponseMessage());
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}
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private void GivenTheDownstreamRouteIs()
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{
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var reRoute = new ReRouteBuilder()
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.WithDownstreamReRoute(new DownstreamReRouteBuilder()
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.WithIsCached(true)
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.WithCacheOptions(new CacheOptions(100, "kanken"))
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.WithUpstreamHttpMethod(new List<string> { "Get" })
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.Build())
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.WithUpstreamHttpMethod(new List<string> { "Get" })
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.Build();
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var downstreamRoute = new DownstreamRoute(new List<PlaceholderNameAndValue>(), reRoute);
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_downstreamContext.TemplatePlaceholderNameAndValues = downstreamRoute.TemplatePlaceholderNameAndValues;
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_downstreamContext.DownstreamReRoute = downstreamRoute.ReRoute.DownstreamReRoute[0];
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}
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private void ThenTheCacheGetIsCalledCorrectly()
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{
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_cacheManager
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.Verify(x => x.Get(It.IsAny<string>(), It.IsAny<string>()), Times.Once);
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}
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private void ThenTheCacheAddIsCalledCorrectly()
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{
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_cacheManager
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.Verify(x => x.Add(It.IsAny<string>(), It.IsAny<CachedResponse>(), It.IsAny<TimeSpan>(), It.IsAny<string>()), Times.Once);
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}
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}
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}
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namespace Ocelot.UnitTests.Cache
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{
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using System;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Moq;
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using Ocelot.Cache;
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using Ocelot.Cache.Middleware;
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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 TestStack.BDDfy;
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using Xunit;
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using System.Net;
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using Ocelot.Middleware;
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using Ocelot.Middleware.Multiplexer;
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public class OutputCacheMiddlewareTests
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{
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private readonly Mock<IOcelotCache<CachedResponse>> _cacheManager;
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private readonly Mock<IOcelotLoggerFactory> _loggerFactory;
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private Mock<IOcelotLogger> _logger;
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private OutputCacheMiddleware _middleware;
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private readonly DownstreamContext _downstreamContext;
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private readonly OcelotRequestDelegate _next;
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private CachedResponse _response;
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private readonly IRegionCreator _regionCreator;
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public OutputCacheMiddlewareTests()
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{
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_cacheManager = new Mock<IOcelotCache<CachedResponse>>();
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_regionCreator = new RegionCreator();
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_downstreamContext = new DownstreamContext(new DefaultHttpContext());
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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<OutputCacheMiddleware>()).Returns(_logger.Object);
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_next = context => Task.CompletedTask;
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_downstreamContext.DownstreamRequest = new Ocelot.Request.Middleware.DownstreamRequest(new HttpRequestMessage(HttpMethod.Get, "https://some.url/blah?abcd=123"));
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}
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[Fact]
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public void should_returned_cached_item_when_it_is_in_cache()
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{
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var headers = new Dictionary<string, IEnumerable<string>>
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{
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{ "test", new List<string> { "test" } }
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};
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var contentHeaders = new Dictionary<string, IEnumerable<string>>
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{
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{ "content-type", new List<string> { "application/json" } }
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};
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var cachedResponse = new CachedResponse(HttpStatusCode.OK, headers, "", contentHeaders);
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this.Given(x => x.GivenThereIsACachedResponse(cachedResponse))
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.And(x => x.GivenTheDownstreamRouteIs())
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.When(x => x.WhenICallTheMiddleware())
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.Then(x => x.ThenTheCacheGetIsCalledCorrectly())
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.BDDfy();
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}
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[Fact]
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public void should_returned_cached_item_when_it_is_in_cache_expires_header()
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{
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var contentHeaders = new Dictionary<string, IEnumerable<string>>
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{
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{ "Expires", new List<string> { "-1" } }
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};
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var cachedResponse = new CachedResponse(HttpStatusCode.OK, new Dictionary<string, IEnumerable<string>>(), "", contentHeaders);
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this.Given(x => x.GivenThereIsACachedResponse(cachedResponse))
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.And(x => x.GivenTheDownstreamRouteIs())
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.When(x => x.WhenICallTheMiddleware())
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.Then(x => x.ThenTheCacheGetIsCalledCorrectly())
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.BDDfy();
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}
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[Fact]
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public void should_continue_with_pipeline_and_cache_response()
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{
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this.Given(x => x.GivenResponseIsNotCached(new HttpResponseMessage()))
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.And(x => x.GivenTheDownstreamRouteIs())
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.When(x => x.WhenICallTheMiddleware())
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.Then(x => x.ThenTheCacheAddIsCalledCorrectly())
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.BDDfy();
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}
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private void WhenICallTheMiddleware()
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{
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_middleware = new OutputCacheMiddleware(_next, _loggerFactory.Object, _cacheManager.Object, _regionCreator);
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_middleware.Invoke(_downstreamContext).GetAwaiter().GetResult();
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}
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private void GivenThereIsACachedResponse(CachedResponse response)
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{
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_response = response;
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_cacheManager
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.Setup(x => x.Get(It.IsAny<string>(), It.IsAny<string>()))
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.Returns(_response);
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}
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private void GivenResponseIsNotCached(HttpResponseMessage responseMessage)
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{
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_downstreamContext.DownstreamResponse = new DownstreamResponse(responseMessage);
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}
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private void GivenTheDownstreamRouteIs()
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{
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var reRoute = new ReRouteBuilder()
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.WithDownstreamReRoute(new DownstreamReRouteBuilder()
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.WithIsCached(true)
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.WithCacheOptions(new CacheOptions(100, "kanken"))
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.WithUpstreamHttpMethod(new List<string> { "Get" })
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.Build())
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.WithUpstreamHttpMethod(new List<string> { "Get" })
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.Build();
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var downstreamRoute = new DownstreamRoute(new List<PlaceholderNameAndValue>(), reRoute);
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_downstreamContext.TemplatePlaceholderNameAndValues = downstreamRoute.TemplatePlaceholderNameAndValues;
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_downstreamContext.DownstreamReRoute = downstreamRoute.ReRoute.DownstreamReRoute[0];
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}
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private void ThenTheCacheGetIsCalledCorrectly()
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{
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_cacheManager
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.Verify(x => x.Get(It.IsAny<string>(), It.IsAny<string>()), Times.Once);
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}
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private void ThenTheCacheAddIsCalledCorrectly()
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{
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_cacheManager
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.Verify(x => x.Add(It.IsAny<string>(), It.IsAny<CachedResponse>(), It.IsAny<TimeSpan>(), It.IsAny<string>()), Times.Once);
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}
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}
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}
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