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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Formatting;
using System.Net.Http.Headers;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Microsoft.TestCommon;
using Moq;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Http.WebHost
{
public class HttpControllerHandlerTest
{
[Fact]
public void ConvertResponse_IfResponseHasNoCacheControlDefined_SetsNoCacheCacheabilityOnAspNetResponse()
{
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
HttpResponseMessage response = new HttpResponseMessage();
HttpRequestMessage request = new HttpRequestMessage();
// Act
HttpControllerHandler.ConvertResponse(contextMock.Object, response, request);
// Assert
contextMock.Verify(c => c.Response.Cache.SetCacheability(HttpCacheability.NoCache));
}
[Fact]
public void ConvertResponse_IfResponseHasCacheControlDefined_DoesNotSetCacheCacheabilityOnAspNetResponse()
{
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
HttpResponseMessage response = new HttpResponseMessage();
HttpRequestMessage request = new HttpRequestMessage();
response.Headers.CacheControl = new CacheControlHeaderValue { Public = true };
// Act
HttpControllerHandler.ConvertResponse(contextMock.Object, response, request);
// Assert
contextMock.Verify(c => c.Response.Cache.SetCacheability(HttpCacheability.NoCache), Times.Never());
}
[Fact]
public Task ConvertResponse_DisposesRequestAndResponse()
{
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
contextMock.SetupGet((hcb) => hcb.Response.OutputStream).Returns(Stream.Null);
HttpRequestMessage request = new HttpRequestMessage();
HttpResponseMessage response = new HttpResponseMessage();
// Act
return HttpControllerHandler.ConvertResponse(contextMock.Object, response, request).ContinueWith(
_ =>
{
// Assert
Assert.ThrowsObjectDisposed(() => request.Method = HttpMethod.Get, typeof(HttpRequestMessage).FullName);
Assert.ThrowsObjectDisposed(() => response.StatusCode = HttpStatusCode.OK, typeof(HttpResponseMessage).FullName);
});
}
[Fact]
public Task ConvertResponse_DisposesRequestAndResponseWithContent()
{
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
contextMock.SetupGet((hcb) => hcb.Response.OutputStream).Returns(Stream.Null);
HttpRequestMessage request = new HttpRequestMessage() { Content = new StringContent("request") };
HttpResponseMessage response = new HttpResponseMessage() { Content = new StringContent("response") };
// Act
return HttpControllerHandler.ConvertResponse(contextMock.Object, response, request).ContinueWith(
_ =>
{
// Assert
Assert.ThrowsObjectDisposed(() => request.Method = HttpMethod.Get, typeof(HttpRequestMessage).FullName);
Assert.ThrowsObjectDisposed(() => response.StatusCode = HttpStatusCode.OK, typeof(HttpResponseMessage).FullName);
});
}
[Fact]
public void SuppressFormsAuthenticationRedirect_DoesntRequireSuppressRedirect() {
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
IDictionary contextItems = new Hashtable();
contextMock.SetupGet(hcb => hcb.Response.StatusCode).Returns(200);
contextMock.SetupGet(hcb => hcb.Items).Returns(contextItems);
PropertyInfo suppressRedirect = typeof(HttpResponseBase).GetProperty(SuppressFormsAuthRedirectModule.SuppressFormsAuthenticationRedirectPropertyName, BindingFlags.Instance | BindingFlags.Public);
// Act
HttpControllerHandler.EnsureSuppressFormsAuthenticationRedirect(contextMock.Object);
// Assert
if (suppressRedirect == null) {
// .NET 4.0
Assert.False(contextItems.Contains(SuppressFormsAuthRedirectModule.DisableAuthenticationRedirectKey));
}
else {
// .NET 4.5
Assert.False((bool)suppressRedirect.GetValue(contextMock.Object, null));
}
}
[Fact]
public void SuppressFormsAuthenticationRedirect_RequireSuppressRedirect() {
// Arrange
Mock<HttpContextBase> contextMock = new Mock<HttpContextBase>() { DefaultValue = DefaultValue.Mock };
IDictionary contextItems = new Hashtable();
contextMock.SetupGet(hcb => hcb.Response.StatusCode).Returns(401);
contextMock.SetupGet(hcb => hcb.Items).Returns(contextItems);
PropertyInfo suppressRedirect = typeof(HttpResponseBase).GetProperty(SuppressFormsAuthRedirectModule.SuppressFormsAuthenticationRedirectPropertyName, BindingFlags.Instance | BindingFlags.Public);
// Act
HttpControllerHandler.EnsureSuppressFormsAuthenticationRedirect(contextMock.Object);
// Assert
if (suppressRedirect == null) {
// .NET 4.0
Assert.True(contextItems.Contains(SuppressFormsAuthRedirectModule.DisableAuthenticationRedirectKey));
Assert.True((bool)contextItems[SuppressFormsAuthRedirectModule.DisableAuthenticationRedirectKey]);
}
else {
// .NET 4.5
Assert.True((bool)suppressRedirect.GetValue(contextMock.Object, null));
}
}
[Theory]
[PropertyData("OutputBufferingTestData")]
public void IsOutputBufferingNecessary_Returns_Correct_Value(HttpContent content, bool isBuffered)
{
// Arrange & Act & Assert
Assert.Equal(isBuffered, HttpControllerHandler.IsOutputBufferingNecessary(content));
}
[Theory]
[PropertyData("OutputBufferingTestData")]
public void IsOutputBufferingNecessary_Causes_Content_Length_Header_To_Be_Set(HttpContent content, bool isBuffered)
{
// Arrange & Act
HttpControllerHandler.IsOutputBufferingNecessary(content);
IEnumerable<string> contentLengthEnumerable;
bool isContentLengthInHeaders = content.Headers.TryGetValues("Content-Length", out contentLengthEnumerable);
string[] contentLengthStrings = isContentLengthInHeaders ? contentLengthEnumerable.ToArray() : new string[0];
long? contentLength = content.Headers.ContentLength;
// Assert
if (contentLength.HasValue && contentLength.Value >= 0)
{
// Setting the header is HttpContentHeader's responsibility, but we assert
// it has happened because it is IsOutputBufferingNecessary's responsibility
// to cause that to happen. HttpControllerHandler relies on this.
Assert.True(isContentLengthInHeaders);
Assert.Equal(contentLength.Value, long.Parse(contentLengthStrings[0]));
}
}
public static IEnumerable<object[]> OutputBufferingTestData
{
get
{
string testString = "testString";
Mock<Stream> mockStream = new Mock<Stream>() { CallBase = true };
return new TheoryDataSet<HttpContent, bool>()
{
// Known length HttpContents other than OC should not buffer
{ new StringContent(testString), false },
{ new ByteArrayContent(Encoding.UTF8.GetBytes(testString)), false },
{ new StreamContent(new MemoryStream(Encoding.UTF8.GetBytes(testString))), false},
// StreamContent (unknown length) should not buffer
{ new StreamContent(mockStream.Object), false},
// ObjectContent (unknown length) should buffer
{ new ObjectContent<string>(testString, new XmlMediaTypeFormatter()), true }
};
}
}
}
}
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