aspnetcore/test/Microsoft.AspNet.Mvc.Functi.../CorsMiddlewareTests.cs

105 lines
4.3 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.Linq;
using System.Net;
using System.Threading.Tasks;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.Cors.Core;
using Microsoft.Framework.DependencyInjection;
using Xunit;
namespace Microsoft.AspNet.Mvc.FunctionalTests
{
public class CorsMiddlewareTests
{
private const string SiteName = nameof(CorsMiddlewareWebSite);
private readonly Action<IApplicationBuilder> _app = new CorsMiddlewareWebSite.Startup().Configure;
private readonly Action<IServiceCollection> _configureServices = new CorsMiddlewareWebSite.Startup().ConfigureServices;
[Theory]
[InlineData("GET")]
[InlineData("HEAD")]
[InlineData("POST")]
public async Task ResourceWithSimpleRequestPolicy_Allows_SimpleRequests(string method)
{
// Arrange
var server = TestHelper.CreateServer(_app, SiteName, _configureServices);
var client = server.CreateClient();
var origin = "http://example.com";
var requestBuilder = server
.CreateRequest("http://localhost/CorsMiddleware/GetExclusiveContent")
.AddHeader(CorsConstants.Origin, origin);
// Act
var response = await requestBuilder.SendAsync(method);
// Assert
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
var content = await response.Content.ReadAsStringAsync();
Assert.Equal("exclusive", content);
var responseHeaders = response.Headers;
var header = Assert.Single(response.Headers);
Assert.Equal(CorsConstants.AccessControlAllowOrigin, header.Key);
Assert.Equal(new[] { "http://example.com" }, header.Value.ToArray());
}
[Theory]
[InlineData("GET")]
[InlineData("HEAD")]
[InlineData("POST")]
[InlineData("PUT")]
public async Task PolicyFailed_Disallows_PreFlightRequest(string method)
{
// Arrange
var server = TestHelper.CreateServer(_app, SiteName, _configureServices);
var client = server.CreateClient();
// Adding a custom header makes it a non simple request.
var requestBuilder = server
.CreateRequest("http://localhost/CorsMiddleware/GetExclusiveContent")
.AddHeader(CorsConstants.Origin, "http://example.com")
.AddHeader(CorsConstants.AccessControlRequestMethod, method)
.AddHeader(CorsConstants.AccessControlRequestHeaders, "Custom");
// Act
var response = await requestBuilder.SendAsync(CorsConstants.PreflightHttpMethod);
// Assert
// Middleware applied the policy and since that did not pass, there were no access control headers.
Assert.Equal(HttpStatusCode.NoContent, response.StatusCode);
Assert.Empty(response.Headers);
// It should short circuit and hence no result.
var content = await response.Content.ReadAsStringAsync();
Assert.Equal(string.Empty, content);
}
[Fact]
public async Task PolicyFailed_Allows_ActualRequest_WithMissingResponseHeaders()
{
// Arrange
var server = TestHelper.CreateServer(_app, SiteName, _configureServices);
var client = server.CreateClient();
// Adding a custom header makes it a non simple request.
var requestBuilder = server
.CreateRequest("http://localhost/CorsMiddleware/GetExclusiveContent")
.AddHeader(CorsConstants.Origin, "http://example2.com");
// Act
var response = await requestBuilder.SendAsync("PUT");
// Assert
// Middleware applied the policy and since that did not pass, there were no access control headers.
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
Assert.Empty(response.Headers);
// It still has executed the action.
var content = await response.Content.ReadAsStringAsync();
Assert.Equal("exclusive", content);
}
}
}