aspnetcore/test/Microsoft.AspNetCore.Respon.../ResponseCacheTests.cs

608 lines
25 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Net.Http.Headers;
using Xunit;
namespace Microsoft.AspNetCore.ResponseCaching.Tests
{
public class ResponseCacheTests
{
[Fact]
public async void ServesCachedContent_IfAvailable()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfNotAvailable()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("/different");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryHeader_Matches()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.From = "user@example.com";
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfVaryHeader_Mismatches()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.From = "user@example.com";
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user2@example.com";
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryParams_Matches()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = "param";
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?param=value");
var subsequentResponse = await client.GetAsync("?param=value");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryParamsExplicit_Matches_ParamNameCaseInsensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "ParamA", "paramb" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?parama=valuea&paramb=valueb");
var subsequentResponse = await client.GetAsync("?ParamA=valuea&ParamB=valueb");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryParamsStar_Matches_ParamNameCaseInsensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "*" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?parama=valuea&paramb=valueb");
var subsequentResponse = await client.GetAsync("?ParamA=valuea&ParamB=valueb");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryParamsExplicit_Matches_OrderInsensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "ParamB", "ParamA" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?ParamA=ValueA&ParamB=ValueB");
var subsequentResponse = await client.GetAsync("?ParamB=ValueB&ParamA=ValueA");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfVaryParamsStar_Matches_OrderInsensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "*" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?ParamA=ValueA&ParamB=ValueB");
var subsequentResponse = await client.GetAsync("?ParamB=ValueB&ParamA=ValueA");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfVaryParams_Mismatches()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = "param";
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?param=value");
var subsequentResponse = await client.GetAsync("?param=value2");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfVaryParamsExplicit_Mismatch_ParamValueCaseSensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "ParamA", "ParamB" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?parama=valuea&paramb=valueb");
var subsequentResponse = await client.GetAsync("?parama=ValueA&paramb=ValueB");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfVaryParamsStar_Mismatch_ParamValueCaseSensitive()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.GetResponseCacheFeature().VaryByParams = new[] { "*" };
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("?parama=valuea&paramb=valueb");
var subsequentResponse = await client.GetAsync("?parama=ValueA&paramb=ValueB");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfRequestRequirements_NotMet()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
{
MaxAge = TimeSpan.FromSeconds(0)
};
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void Serves504_IfOnlyIfCachedHeader_IsSpecified()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
{
OnlyIfCached = true
};
var subsequentResponse = await client.GetAsync("/different");
initialResponse.EnsureSuccessStatusCode();
Assert.Equal(System.Net.HttpStatusCode.GatewayTimeout, subsequentResponse.StatusCode);
}
}
[Fact]
public async void ServesFreshContent_IfSetCookie_IsSpecified()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
var headers = context.Response.Headers[HeaderNames.SetCookie] = "cookieName=cookieValue";
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfIHttpSendFileFeature_NotUsed()
{
var builder = TestUtils.CreateBuilderWithResponseCache(app =>
{
app.Use(async (context, next) =>
{
context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
await next.Invoke();
});
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfIHttpSendFileFeature_Used()
{
var builder = TestUtils.CreateBuilderWithResponseCache(
app =>
{
app.Use(async (context, next) =>
{
context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
await next.Invoke();
});
},
requestDelegate: async (context) =>
{
await context.Features.Get<IHttpSendFileFeature>().SendFileAsync("dummy", 0, 0, CancellationToken.None);
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfSubsequentRequest_ContainsNoStore()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
{
NoStore = true
};
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfInitialRequestContains_NoStore()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
{
NoStore = true
};
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void Serves304_IfIfModifiedSince_Satisfied()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.IfUnmodifiedSince = DateTimeOffset.MaxValue;
var subsequentResponse = await client.GetAsync("");
initialResponse.EnsureSuccessStatusCode();
Assert.Equal(System.Net.HttpStatusCode.NotModified, subsequentResponse.StatusCode);
}
}
[Fact]
public async void ServesCachedContent_IfIfModifiedSince_NotSatisfied()
{
var builder = TestUtils.CreateBuilderWithResponseCache();
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.IfUnmodifiedSince = DateTimeOffset.MinValue;
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void Serves304_IfIfNoneMatch_Satisfied()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
var headers = context.Response.GetTypedHeaders().ETag = new EntityTagHeaderValue("\"E1\"");
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.IfNoneMatch.Add(new System.Net.Http.Headers.EntityTagHeaderValue("\"E1\""));
var subsequentResponse = await client.GetAsync("");
initialResponse.EnsureSuccessStatusCode();
Assert.Equal(System.Net.HttpStatusCode.NotModified, subsequentResponse.StatusCode);
}
}
[Fact]
public async void ServesCachedContent_IfIfNoneMatch_NotSatisfied()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
var headers = context.Response.GetTypedHeaders().ETag = new EntityTagHeaderValue("\"E1\"");
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.IfNoneMatch.Add(new System.Net.Http.Headers.EntityTagHeaderValue("\"E2\""));
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfBodySize_IsCacheable()
{
var builder = TestUtils.CreateBuilderWithResponseCache(options: new ResponseCacheOptions()
{
MaximumCachedBodySize = 100
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfBodySize_IsNotCacheable()
{
var builder = TestUtils.CreateBuilderWithResponseCache(options: new ResponseCacheOptions()
{
MaximumCachedBodySize = 1
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("/different");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_WithoutReplacingCachedVaryBy_OnCacheMiss()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.From = "user@example.com";
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user2@example.com";
var otherResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user@example.com";
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesFreshContent_IfCachedVaryByUpdated_OnCacheMiss()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.Response.Headers[HeaderNames.Vary] = context.Request.Headers[HeaderNames.Pragma];
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.From = "user@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("From"));
client.DefaultRequestHeaders.MaxForwards = 1;
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user2@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("Max-Forwards"));
client.DefaultRequestHeaders.MaxForwards = 2;
var otherResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("From"));
client.DefaultRequestHeaders.MaxForwards = 1;
var subsequentResponse = await client.GetAsync("");
await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
}
}
[Fact]
public async void ServesCachedContent_IfCachedVaryByNotUpdated_OnCacheMiss()
{
var builder = TestUtils.CreateBuilderWithResponseCache(requestDelegate: async (context) =>
{
context.Response.Headers[HeaderNames.Vary] = context.Request.Headers[HeaderNames.Pragma];
await TestUtils.TestRequestDelegate(context);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
client.DefaultRequestHeaders.From = "user@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("From"));
client.DefaultRequestHeaders.MaxForwards = 1;
var initialResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user2@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("From"));
client.DefaultRequestHeaders.MaxForwards = 2;
var otherResponse = await client.GetAsync("");
client.DefaultRequestHeaders.From = "user@example.com";
client.DefaultRequestHeaders.Pragma.Clear();
client.DefaultRequestHeaders.Pragma.Add(new System.Net.Http.Headers.NameValueHeaderValue("From"));
client.DefaultRequestHeaders.MaxForwards = 1;
var subsequentResponse = await client.GetAsync("");
await AssertResponseCachedAsync(initialResponse, subsequentResponse);
}
}
private static async Task AssertResponseCachedAsync(HttpResponseMessage initialResponse, HttpResponseMessage subsequentResponse)
{
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
foreach (var header in initialResponse.Headers)
{
Assert.Equal(initialResponse.Headers.GetValues(header.Key), subsequentResponse.Headers.GetValues(header.Key));
}
Assert.True(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.Equal(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
private static async Task AssertResponseNotCachedAsync(HttpResponseMessage initialResponse, HttpResponseMessage subsequentResponse)
{
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
}