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

453 lines
19 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.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.TestHost;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Net.Http.Headers;
using Xunit;
namespace Microsoft.AspNetCore.ResponseCaching.Tests
{
public class ResponseCachingTests
{
[Fact]
public async void ServesCachedContentIfAvailable()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
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());
}
}
[Fact]
public async void ServesFreshContentIfNotAvailable()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("/different");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
[Fact]
public async void ServesCachedContentIfVaryByMatches()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
var headers = context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(10)
};
headers.Date = DateTimeOffset.UtcNow;
headers.Headers["X-Value"] = uniqueId;
context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
await context.Response.WriteAsync(uniqueId);
});
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("");
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());
}
}
[Fact]
public async void ServesFreshContentIfRequestRequirementsNotMet()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
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("");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
[Fact]
public async void ServesFreshContentIfVaryByMismatches()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
var headers = context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(10)
};
headers.Date = DateTimeOffset.UtcNow;
headers.Headers["X-Value"] = uniqueId;
context.Response.Headers[HeaderNames.Vary] = HeaderNames.From;
await context.Response.WriteAsync(uniqueId);
});
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("");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
[Fact]
public async void Serves504IfOnlyIfCachedHeaderIsSpecified()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
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 ServesCachedContentWithoutSetCookie()
{
var builder = CreateBuilderWithResponseCaching(async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
var headers = context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue()
{
Public = true,
MaxAge = TimeSpan.FromSeconds(10)
};
headers.Date = DateTimeOffset.UtcNow;
headers.Headers["X-Value"] = uniqueId;
headers.Headers[HeaderNames.SetCookie] = "cookieName=cookieValue";
await context.Response.WriteAsync(uniqueId);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
foreach (var header in initialResponse.Headers)
{
if (!string.Equals(HeaderNames.SetCookie, header.Key, StringComparison.OrdinalIgnoreCase))
{
Assert.Equal(initialResponse.Headers.GetValues(header.Key), subsequentResponse.Headers.GetValues(header.Key));
}
}
Assert.True(initialResponse.Headers.Contains(HeaderNames.SetCookie));
Assert.True(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.SetCookie));
Assert.Equal(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
[Fact]
public async void ServesCachedContentIfIHttpSendFileFeatureNotUsed()
{
var builder = CreateBuilderWithResponseCaching(
app =>
{
app.Use(async (context, next) =>
{
context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
await next.Invoke();
});
},
async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
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());
}
}
[Fact]
public async void ServesFreshContentIfIHttpSendFileFeatureUsed()
{
var builder = CreateBuilderWithResponseCaching(
app =>
{
app.Use(async (context, next) =>
{
context.Features.Set<IHttpSendFileFeature>(new DummySendFileFeature());
await next.Invoke();
});
},
async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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.Features.Get<IHttpSendFileFeature>().SendFileAsync("dummy", 0, 0, CancellationToken.None);
await context.Response.WriteAsync(uniqueId);
});
using (var server = new TestServer(builder))
{
var client = server.CreateClient();
var initialResponse = await client.GetAsync("");
var subsequentResponse = await client.GetAsync("");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
[Fact]
public async void ServesCachedContentIfSubsequentRequestContainsNoStore()
{
var builder = CreateBuilderWithResponseCaching(
async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
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("");
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());
}
}
[Fact]
public async void ServesFreshContentIfInitialRequestContainsNoStore()
{
var builder = CreateBuilderWithResponseCaching(
async (context) =>
{
var uniqueId = Guid.NewGuid().ToString();
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);
});
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("");
initialResponse.EnsureSuccessStatusCode();
subsequentResponse.EnsureSuccessStatusCode();
Assert.False(subsequentResponse.Headers.Contains(HeaderNames.Age));
Assert.NotEqual(await initialResponse.Content.ReadAsStringAsync(), await subsequentResponse.Content.ReadAsStringAsync());
}
}
private static IWebHostBuilder CreateBuilderWithResponseCaching(RequestDelegate requestDelegate) =>
CreateBuilderWithResponseCaching(app => { }, requestDelegate);
private static IWebHostBuilder CreateBuilderWithResponseCaching(Action<IApplicationBuilder> configureDelegate, RequestDelegate requestDelegate)
{
return new WebHostBuilder()
.ConfigureServices(services =>
{
services.AddDistributedResponseCache();
})
.Configure(app =>
{
configureDelegate(app);
app.UseResponseCaching();
app.Run(requestDelegate);
});
}
private class DummySendFileFeature : IHttpSendFileFeature
{
public Task SendFileAsync(string path, long offset, long? count, CancellationToken cancellation)
{
return Task.FromResult(0);
}
}
}
}