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

100 lines
3.8 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.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.AspNet.Cors.Infrastructure;
using Xunit;
namespace Microsoft.AspNet.Mvc.FunctionalTests
{
public class CorsMiddlewareTests : IClassFixture<MvcTestFixture<CorsMiddlewareWebSite.Startup>>
{
public CorsMiddlewareTests(MvcTestFixture<CorsMiddlewareWebSite.Startup> fixture)
{
Client = fixture.Client;
}
public HttpClient Client { get; }
[Theory]
[InlineData("GET")]
[InlineData("HEAD")]
[InlineData("POST")]
public async Task ResourceWithSimpleRequestPolicy_Allows_SimpleRequests(string method)
{
// Arrange
var origin = "http://example.com";
var request = new HttpRequestMessage(
new HttpMethod(method),
"http://localhost/CorsMiddleware/GetExclusiveContent");
request.Headers.Add(CorsConstants.Origin, origin);
// Act
var response = await Client.SendAsync(request);
// 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 request = new HttpRequestMessage(
new HttpMethod(CorsConstants.PreflightHttpMethod),
"http://localhost/CorsMiddleware/GetExclusiveContent");
// Adding a custom header makes it a non-simple request.
request.Headers.Add(CorsConstants.Origin, "http://example.com");
request.Headers.Add(CorsConstants.AccessControlRequestMethod, method);
request.Headers.Add(CorsConstants.AccessControlRequestHeaders, "Custom");
// Act
var response = await Client.SendAsync(request);
// 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 request = new HttpRequestMessage(HttpMethod.Put, "http://localhost/CorsMiddleware/GetExclusiveContent");
// Adding a custom header makes it a non simple request.
request.Headers.Add(CorsConstants.Origin, "http://example2.com");
// Act
var response = await Client.SendAsync(request);
// 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);
}
}
}