267 lines
11 KiB
C#
267 lines
11 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.Collections.Generic;
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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.ResponseCaching.Internal;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Internal;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Testing;
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using Microsoft.Extensions.ObjectPool;
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using Microsoft.Extensions.Options;
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using Microsoft.Extensions.Primitives;
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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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internal class TestUtils
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{
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static TestUtils()
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{
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// Force sharding in tests
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StreamUtilities.BodySegmentSize = 10;
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}
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internal static RequestDelegate TestRequestDelegate = async (context) =>
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{
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var uniqueId = Guid.NewGuid().ToString();
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var headers = context.Response.GetTypedHeaders();
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headers.CacheControl = new CacheControlHeaderValue()
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{
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Public = true,
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MaxAge = TimeSpan.FromSeconds(10)
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};
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headers.Date = DateTimeOffset.UtcNow;
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headers.Headers["X-Value"] = uniqueId;
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await context.Response.WriteAsync(uniqueId);
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};
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internal static IResponseCacheKeyProvider CreateTestKeyProvider()
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{
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return CreateTestKeyProvider(new ResponseCacheOptions());
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}
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internal static IResponseCacheKeyProvider CreateTestKeyProvider(ResponseCacheOptions options)
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{
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return new ResponseCacheKeyProvider(new DefaultObjectPoolProvider(), Options.Create(options));
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}
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internal static IEnumerable<IWebHostBuilder> CreateBuildersWithResponseCache(
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Action<IApplicationBuilder> configureDelegate = null,
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ResponseCacheOptions options = null,
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RequestDelegate requestDelegate = null)
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{
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if (configureDelegate == null)
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{
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configureDelegate = app => { };
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}
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if (options == null)
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{
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options = new ResponseCacheOptions();
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}
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if (requestDelegate == null)
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{
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requestDelegate = TestRequestDelegate;
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}
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// Test with MemoryResponseCacheStore
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yield return new WebHostBuilder()
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.ConfigureServices(services =>
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{
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services.AddMemoryResponseCacheStore();
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})
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.Configure(app =>
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{
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configureDelegate(app);
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app.UseResponseCache(options);
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app.Run(requestDelegate);
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});
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}
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internal static ResponseCacheMiddleware CreateTestMiddleware(
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IResponseCacheStore store = null,
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ResponseCacheOptions options = null,
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TestSink testSink = null,
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IResponseCacheKeyProvider keyProvider = null,
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IResponseCachePolicyProvider policyProvider = null)
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{
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if (store == null)
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{
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store = new TestResponseCacheStore();
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}
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if (options == null)
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{
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options = new ResponseCacheOptions();
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}
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if (keyProvider == null)
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{
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keyProvider = new ResponseCacheKeyProvider(new DefaultObjectPoolProvider(), Options.Create(options));
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}
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if (policyProvider == null)
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{
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policyProvider = new TestResponseCachePolicyProvider();
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}
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return new ResponseCacheMiddleware(
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httpContext => TaskCache.CompletedTask,
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Options.Create(options),
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testSink == null ? (ILoggerFactory)NullLoggerFactory.Instance : new TestLoggerFactory(testSink, true),
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policyProvider,
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store,
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keyProvider);
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}
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internal static ResponseCacheContext CreateTestContext()
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{
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return new ResponseCacheContext(new DefaultHttpContext(), NullLogger.Instance)
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{
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ResponseTime = DateTimeOffset.UtcNow
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};
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}
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internal static ResponseCacheContext CreateTestContext(ITestSink testSink)
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{
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return new ResponseCacheContext(new DefaultHttpContext(), new TestLogger("ResponseCachingTests", testSink, true))
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{
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ResponseTime = DateTimeOffset.UtcNow
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};
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}
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internal static void AssertLoggedMessages(List<WriteContext> messages, params LoggedMessage[] expectedMessages)
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{
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Assert.Equal(messages.Count, expectedMessages.Length);
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for (var i = 0; i < messages.Count; i++)
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{
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Assert.Equal(expectedMessages[i].EventId, messages[i].EventId);
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Assert.Equal(expectedMessages[i].LogLevel, messages[i].LogLevel);
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}
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}
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}
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internal class LoggedMessage
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{
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internal static LoggedMessage RequestMethodNotCacheable => new LoggedMessage(1, LogLevel.Debug);
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internal static LoggedMessage RequestWithAuthorizationNotCacheable => new LoggedMessage(2, LogLevel.Debug);
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internal static LoggedMessage RequestWithNoCacheNotCacheable => new LoggedMessage(3, LogLevel.Debug);
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internal static LoggedMessage RequestWithPragmaNoCacheNotCacheable => new LoggedMessage(4, LogLevel.Debug);
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internal static LoggedMessage ExpirationMinFreshAdded => new LoggedMessage(5, LogLevel.Debug);
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internal static LoggedMessage ExpirationSharedMaxAgeExceeded => new LoggedMessage(6, LogLevel.Debug);
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internal static LoggedMessage ExpirationMustRevalidate => new LoggedMessage(7, LogLevel.Debug);
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internal static LoggedMessage ExpirationMaxStaleSatisfied => new LoggedMessage(8, LogLevel.Debug);
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internal static LoggedMessage ExpirationMaxAgeExceeded => new LoggedMessage(9, LogLevel.Debug);
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internal static LoggedMessage ExpirationExpiresExceeded => new LoggedMessage(10, LogLevel.Debug);
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internal static LoggedMessage ResponseWithoutPublicNotCacheable => new LoggedMessage(11, LogLevel.Debug);
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internal static LoggedMessage ResponseWithNoStoreNotCacheable => new LoggedMessage(12, LogLevel.Debug);
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internal static LoggedMessage ResponseWithNoCacheNotCacheable => new LoggedMessage(13, LogLevel.Debug);
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internal static LoggedMessage ResponseWithSetCookieNotCacheable => new LoggedMessage(14, LogLevel.Debug);
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internal static LoggedMessage ResponseWithVaryStarNotCacheable => new LoggedMessage(15, LogLevel.Debug);
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internal static LoggedMessage ResponseWithPrivateNotCacheable => new LoggedMessage(16, LogLevel.Debug);
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internal static LoggedMessage ResponseWithUnsuccessfulStatusCodeNotCacheable => new LoggedMessage(17, LogLevel.Debug);
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internal static LoggedMessage NotModifiedIfNoneMatchStar => new LoggedMessage(18, LogLevel.Debug);
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internal static LoggedMessage NotModifiedIfNoneMatchMatched => new LoggedMessage(19, LogLevel.Debug);
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internal static LoggedMessage NotModifiedIfUnmodifiedSinceSatisfied => new LoggedMessage(20, LogLevel.Debug);
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internal static LoggedMessage NotModifiedServed => new LoggedMessage(21, LogLevel.Information);
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internal static LoggedMessage CachedResponseServed => new LoggedMessage(22, LogLevel.Information);
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internal static LoggedMessage GatewayTimeoutServed => new LoggedMessage(23, LogLevel.Information);
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internal static LoggedMessage NoResponseServed => new LoggedMessage(24, LogLevel.Information);
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internal static LoggedMessage VaryByRulesUpdated => new LoggedMessage(25, LogLevel.Debug);
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internal static LoggedMessage ResponseCached => new LoggedMessage(26, LogLevel.Information);
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internal static LoggedMessage ResponseNotCached => new LoggedMessage(27, LogLevel.Information);
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internal static LoggedMessage ResponseContentLengthMismatchNotCached => new LoggedMessage(28, LogLevel.Warning);
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private LoggedMessage(int evenId, LogLevel logLevel)
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{
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EventId = evenId;
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LogLevel = logLevel;
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}
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internal int EventId { get; }
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internal LogLevel LogLevel { get; }
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}
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internal class DummySendFileFeature : IHttpSendFileFeature
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{
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public Task SendFileAsync(string path, long offset, long? count, CancellationToken cancellation)
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{
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return TaskCache.CompletedTask;
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}
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}
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internal class TestResponseCachePolicyProvider : IResponseCachePolicyProvider
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{
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public bool IsCachedEntryFresh(ResponseCacheContext context) => true;
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public bool IsRequestCacheable(ResponseCacheContext context) => true;
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public bool IsResponseCacheable(ResponseCacheContext context) => true;
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}
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internal class TestResponseCacheKeyProvider : IResponseCacheKeyProvider
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{
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private readonly string _baseKey;
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private readonly StringValues _varyKey;
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public TestResponseCacheKeyProvider(string lookupBaseKey = null, StringValues? lookupVaryKey = null)
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{
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_baseKey = lookupBaseKey;
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if (lookupVaryKey.HasValue)
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{
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_varyKey = lookupVaryKey.Value;
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}
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}
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public IEnumerable<string> CreateLookupVaryByKeys(ResponseCacheContext context)
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{
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foreach (var varyKey in _varyKey)
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{
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yield return _baseKey + varyKey;
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}
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}
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public string CreateBaseKey(ResponseCacheContext context)
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{
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return _baseKey;
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}
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public string CreateStorageVaryByKey(ResponseCacheContext context)
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{
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throw new NotImplementedException();
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}
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}
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internal class TestResponseCacheStore : IResponseCacheStore
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{
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private readonly IDictionary<string, IResponseCacheEntry> _storage = new Dictionary<string, IResponseCacheEntry>();
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public int GetCount { get; private set; }
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public int SetCount { get; private set; }
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public Task<IResponseCacheEntry> GetAsync(string key)
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{
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GetCount++;
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try
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{
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return Task.FromResult(_storage[key]);
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}
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catch
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{
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return Task.FromResult<IResponseCacheEntry>(null);
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}
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}
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public Task SetAsync(string key, IResponseCacheEntry entry, TimeSpan validFor)
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{
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SetCount++;
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_storage[key] = entry;
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return TaskCache.CompletedTask;
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}
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}
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}
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