598 lines
24 KiB
C#
598 lines
24 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Http.Features;
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using Microsoft.AspNetCore.TestHost;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Net.Http.Headers;
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using Xunit;
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namespace Microsoft.AspNetCore.ResponseCaching.Tests
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{
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public class ResponseCachingTests
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{
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[Fact]
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public async void ServesCachedContent_IfAvailable()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfNotAvailable()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("/different");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryHeader_Matches()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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client.DefaultRequestHeaders.From = "user@example.com";
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfVaryHeader_Mismatches()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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client.DefaultRequestHeaders.From = "user@example.com";
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.From = "user2@example.com";
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryParams_Matches()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = "param";
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?param=value");
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var subsequentResponse = await client.GetAsync("?param=value");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryParamsExplicit_Matches_ParamNameCaseInsensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "ParamA", "paramb" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?parama=valuea¶mb=valueb");
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var subsequentResponse = await client.GetAsync("?ParamA=valuea&ParamB=valueb");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryParamsStar_Matches_ParamNameCaseInsensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "*" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?parama=valuea¶mb=valueb");
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var subsequentResponse = await client.GetAsync("?ParamA=valuea&ParamB=valueb");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryParamsExplicit_Matches_OrderInsensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "ParamB", "ParamA" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?ParamA=ValueA&ParamB=ValueB");
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var subsequentResponse = await client.GetAsync("?ParamB=ValueB&ParamA=ValueA");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfVaryParamsStar_Matches_OrderInsensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "*" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?ParamA=ValueA&ParamB=ValueB");
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var subsequentResponse = await client.GetAsync("?ParamB=ValueB&ParamA=ValueA");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfVaryParams_Mismatches()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = "param";
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?param=value");
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var subsequentResponse = await client.GetAsync("?param=value2");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfVaryParamsExplicit_Mismatch_ParamValueCaseSensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "ParamA", "ParamB" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?parama=valuea¶mb=valueb");
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var subsequentResponse = await client.GetAsync("?parama=ValueA¶mb=ValueB");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfVaryParamsStar_Mismatch_ParamValueCaseSensitive()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.GetResponseCachingFeature().VaryParams = new[] { "*" };
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("?parama=valuea¶mb=valueb");
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var subsequentResponse = await client.GetAsync("?parama=ValueA¶mb=ValueB");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfRequestRequirements_NotMet()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
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{
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MaxAge = TimeSpan.FromSeconds(0)
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};
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void Serves504_IfOnlyIfCachedHeader_IsSpecified()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
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{
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OnlyIfCached = true
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};
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var subsequentResponse = await client.GetAsync("/different");
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initialResponse.EnsureSuccessStatusCode();
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Assert.Equal(System.Net.HttpStatusCode.GatewayTimeout, subsequentResponse.StatusCode);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfSetCookie_IsSpecified()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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var headers = context.Response.Headers[HeaderNames.SetCookie] = "cookieName=cookieValue";
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfIHttpSendFileFeature_NotUsed()
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{
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var builder = CreateBuilderWithResponseCaching(app =>
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{
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app.Use(async (context, next) =>
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{
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context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
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await next.Invoke();
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});
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfIHttpSendFileFeature_Used()
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{
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var builder = CreateBuilderWithResponseCaching(
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app =>
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{
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app.Use(async (context, next) =>
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{
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context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
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await next.Invoke();
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});
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},
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async (context) =>
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{
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await context.Features.Get<IHttpSendFileFeature>().SendFileAsync("dummy", 0, 0, CancellationToken.None);
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfSubsequentRequest_ContainsNoStore()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
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{
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NoStore = true
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};
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfInitialRequestContains_NoStore()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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client.DefaultRequestHeaders.CacheControl = new System.Net.Http.Headers.CacheControlHeaderValue()
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{
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NoStore = true
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};
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void Serves304_IfIfModifiedSince_Satisfied()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.IfUnmodifiedSince = DateTimeOffset.MaxValue;
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var subsequentResponse = await client.GetAsync("");
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initialResponse.EnsureSuccessStatusCode();
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Assert.Equal(System.Net.HttpStatusCode.NotModified, subsequentResponse.StatusCode);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfIfModifiedSince_NotSatisfied()
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{
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var builder = CreateBuilderWithResponseCaching();
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.IfUnmodifiedSince = DateTimeOffset.MinValue;
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void Serves304_IfIfNoneMatch_Satisfied()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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var headers = context.Response.GetTypedHeaders().ETag = new EntityTagHeaderValue("\"E1\"");
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.IfNoneMatch.Add(new System.Net.Http.Headers.EntityTagHeaderValue("\"E1\""));
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var subsequentResponse = await client.GetAsync("");
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initialResponse.EnsureSuccessStatusCode();
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Assert.Equal(System.Net.HttpStatusCode.NotModified, subsequentResponse.StatusCode);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfIfNoneMatch_NotSatisfied()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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var headers = context.Response.GetTypedHeaders().ETag = new EntityTagHeaderValue("\"E1\"");
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.IfNoneMatch.Add(new System.Net.Http.Headers.EntityTagHeaderValue("\"E2\""));
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_IfBodySize_IsCacheable()
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{
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var builder = CreateBuilderWithResponseCaching(new ResponseCachingOptions()
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{
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MaximumCachedBodySize = 100
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesFreshContent_IfBodySize_IsNotCacheable()
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{
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var builder = CreateBuilderWithResponseCaching(new ResponseCachingOptions()
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{
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MaximumCachedBodySize = 1
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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var initialResponse = await client.GetAsync("");
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var subsequentResponse = await client.GetAsync("/different");
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await AssertResponseNotCachedAsync(initialResponse, subsequentResponse);
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}
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}
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[Fact]
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public async void ServesCachedContent_WithoutReplacingCachedVaryBy_OnCacheMiss()
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{
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var builder = CreateBuilderWithResponseCaching(async (context) =>
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{
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context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
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await DefaultRequestDelegate(context);
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});
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using (var server = new TestServer(builder))
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{
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var client = server.CreateClient();
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client.DefaultRequestHeaders.From = "user@example.com";
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var initialResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.From = "user2@example.com";
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var otherResponse = await client.GetAsync("");
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client.DefaultRequestHeaders.From = "user@example.com";
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var subsequentResponse = await client.GetAsync("");
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await AssertResponseCachedAsync(initialResponse, subsequentResponse);
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}
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}
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private static async Task AssertResponseCachedAsync(HttpResponseMessage initialResponse, HttpResponseMessage subsequentResponse)
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{
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initialResponse.EnsureSuccessStatusCode();
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subsequentResponse.EnsureSuccessStatusCode();
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foreach (var header in initialResponse.Headers)
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{
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Assert.Equal(initialResponse.Headers.GetValues(header.Key), subsequentResponse.Headers.GetValues(header.Key));
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}
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Assert.True(subsequentResponse.Headers.Contains(HeaderNames.Age));
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Assert.Equal(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
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}
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private static async Task AssertResponseNotCachedAsync(HttpResponseMessage initialResponse, HttpResponseMessage subsequentResponse)
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{
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initialResponse.EnsureSuccessStatusCode();
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subsequentResponse.EnsureSuccessStatusCode();
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Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
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Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
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}
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private static RequestDelegate DefaultRequestDelegate = async (context) =>
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{
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var uniqueId = Guid.NewGuid().ToString();
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var headers = context.Response.GetTypedHeaders();
|
|
headers.CacheControl = new CacheControlHeaderValue()
|
|
{
|
|
Public = true,
|
|
MaxAge = TimeSpan.FromSeconds(10)
|
|
};
|
|
headers.Date = DateTimeOffset.UtcNow;
|
|
headers.Headers["X-Value"] = uniqueId;
|
|
await context.Response.WriteAsync(uniqueId);
|
|
};
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching() =>
|
|
CreateBuilderWithResponseCaching(app => { }, new ResponseCachingOptions(), DefaultRequestDelegate);
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching(ResponseCachingOptions options) =>
|
|
CreateBuilderWithResponseCaching(app => { }, options, DefaultRequestDelegate);
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching(RequestDelegate requestDelegate) =>
|
|
CreateBuilderWithResponseCaching(app => { }, new ResponseCachingOptions(), requestDelegate);
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching(Action<IApplicationBuilder> configureDelegate) =>
|
|
CreateBuilderWithResponseCaching(configureDelegate, new ResponseCachingOptions(), DefaultRequestDelegate);
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching(Action<IApplicationBuilder> configureDelegate, RequestDelegate requestDelegate) =>
|
|
CreateBuilderWithResponseCaching(configureDelegate, new ResponseCachingOptions(), requestDelegate);
|
|
|
|
private static IWebHostBuilder CreateBuilderWithResponseCaching(Action<IApplicationBuilder> configureDelegate, ResponseCachingOptions options, RequestDelegate requestDelegate)
|
|
{
|
|
return new WebHostBuilder()
|
|
.ConfigureServices(services =>
|
|
{
|
|
services.AddDistributedResponseCache();
|
|
})
|
|
.Configure(app =>
|
|
{
|
|
configureDelegate(app);
|
|
app.UseResponseCaching(options);
|
|
app.Run(requestDelegate);
|
|
});
|
|
}
|
|
|
|
private class DummySendFileFeature : IHttpSendFileFeature
|
|
{
|
|
public Task SendFileAsync(string path, long offset, long? count, CancellationToken cancellation)
|
|
{
|
|
return Task.FromResult(0);
|
|
}
|
|
}
|
|
}
|
|
}
|