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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Net;
using System.Net.Http;
using System.Security.Principal;
using System.Threading;
using System.Threading.Tasks;
using System.Web.Http.Dispatcher;
using Microsoft.TestCommon;
using Moq;
using Moq.Protected;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Http
{
public class HttpServerTest
{
[Fact]
public void IsCorrectType()
{
Assert.Type.HasProperties<HttpServer, DelegatingHandler>(TypeAssert.TypeProperties.IsPublicVisibleClass | TypeAssert.TypeProperties.IsDisposable);
}
[Fact]
public void DefaultConstructor()
{
Assert.NotNull(new HttpServer());
}
[Fact]
public void ConstructorConfigThrowsOnNull()
{
Assert.ThrowsArgumentNull(() => new HttpServer((HttpConfiguration)null), "configuration");
}
[Fact]
public void ConstructorConfigSetsUpProperties()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
// Act
HttpServer server = new HttpServer(config);
// Assert
Assert.Same(config, server.Configuration);
}
[Fact]
public void ConstructorDispatcherThrowsOnNull()
{
Assert.ThrowsArgumentNull(() => new HttpServer((HttpControllerDispatcher)null), "dispatcher");
}
[Fact]
public void ConstructorDispatcherSetsUpProperties()
{
// Arrange
Mock<HttpControllerDispatcher> controllerDispatcherMock = new Mock<HttpControllerDispatcher>();
// Act
HttpServer server = new HttpServer(controllerDispatcherMock.Object);
// Assert
Assert.Same(controllerDispatcherMock.Object, server.Dispatcher);
}
[Fact]
public void ConstructorThrowsOnNull()
{
Mock<HttpControllerDispatcher> controllerDispatcherMock = new Mock<HttpControllerDispatcher>();
Assert.ThrowsArgumentNull(() => new HttpServer((HttpConfiguration)null, controllerDispatcherMock.Object), "configuration");
Assert.ThrowsArgumentNull(() => new HttpServer(new HttpConfiguration(), null), "dispatcher");
}
[Fact]
public void ConstructorSetsUpProperties()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
Mock<HttpControllerDispatcher> controllerDispatcherMock = new Mock<HttpControllerDispatcher>();
// Act
HttpServer server = new HttpServer(config, controllerDispatcherMock.Object);
// Assert
Assert.Same(config, server.Configuration);
Assert.Same(controllerDispatcherMock.Object, server.Dispatcher);
}
[Fact]
public Task<HttpResponseMessage> DisposedReturnsServiceUnavailable()
{
// Arrange
Mock<HttpControllerDispatcher> dispatcherMock = new Mock<HttpControllerDispatcher>();
HttpServer server = new HttpServer(dispatcherMock.Object);
HttpMessageInvoker invoker = new HttpMessageInvoker(server);
server.Dispose();
HttpRequestMessage request = new HttpRequestMessage();
// Act
return invoker.SendAsync(request, CancellationToken.None).ContinueWith(
(reqTask) =>
{
// Assert
dispatcherMock.Protected().Verify<Task<HttpResponseMessage>>("SendAsync", Times.Never(), request, CancellationToken.None);
Assert.Equal(HttpStatusCode.ServiceUnavailable, reqTask.Result.StatusCode);
return reqTask.Result;
}
);
}
[Fact]
public Task<HttpResponseMessage> RequestGetsConfigurationAsParameter()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
Mock<HttpControllerDispatcher> dispatcherMock = new Mock<HttpControllerDispatcher>();
dispatcherMock.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", request, CancellationToken.None).
Returns(TaskHelpers.FromResult<HttpResponseMessage>(request.CreateResponse()));
HttpConfiguration config = new HttpConfiguration();
HttpServer server = new HttpServer(config, dispatcherMock.Object);
HttpMessageInvoker invoker = new HttpMessageInvoker(server);
// Act
return invoker.SendAsync(request, CancellationToken.None).ContinueWith(
(reqTask) =>
{
// Assert
dispatcherMock.Protected().Verify<Task<HttpResponseMessage>>("SendAsync", Times.Once(), request, CancellationToken.None);
Assert.Same(config, request.GetConfiguration());
return reqTask.Result;
}
);
}
[Fact]
public Task<HttpResponseMessage> RequestGetsSyncContextAsParameter()
{
// Arrange
HttpRequestMessage request = new HttpRequestMessage();
Mock<HttpControllerDispatcher> dispatcherMock = new Mock<HttpControllerDispatcher>();
dispatcherMock.Protected().Setup<Task<HttpResponseMessage>>("SendAsync", request, CancellationToken.None).
Returns(TaskHelpers.FromResult<HttpResponseMessage>(request.CreateResponse()));
HttpConfiguration config = new HttpConfiguration();
HttpServer server = new HttpServer(config, dispatcherMock.Object);
HttpMessageInvoker invoker = new HttpMessageInvoker(server);
SynchronizationContext syncContext = new SynchronizationContext();
SynchronizationContext.SetSynchronizationContext(syncContext);
// Act
return invoker.SendAsync(request, CancellationToken.None).ContinueWith(
(reqTask) =>
{
// Assert
dispatcherMock.Protected().Verify<Task<HttpResponseMessage>>("SendAsync", Times.Once(), request, CancellationToken.None);
Assert.Same(syncContext, request.GetSynchronizationContext());
return reqTask.Result;
}
);
}
[Fact, RestoreThreadPrincipal]
public Task SendAsync_SetsGenericPrincipalWhenThreadPrincipalIsNullAndCleansUpAfterward()
{
// Arrange
var config = new HttpConfiguration();
var request = new HttpRequestMessage();
var dispatcherMock = new Mock<HttpControllerDispatcher>();
var server = new HttpServer(config, dispatcherMock.Object);
var invoker = new HttpMessageInvoker(server);
IPrincipal callbackPrincipal = null;
Thread.CurrentPrincipal = null;
dispatcherMock.Protected()
.Setup<Task<HttpResponseMessage>>("SendAsync", request, CancellationToken.None)
.Callback(() => callbackPrincipal = Thread.CurrentPrincipal)
.Returns(TaskHelpers.FromResult<HttpResponseMessage>(request.CreateResponse()));
// Act
return invoker.SendAsync(request, CancellationToken.None)
.ContinueWith(req =>
{
// Assert
Assert.NotNull(callbackPrincipal);
Assert.False(callbackPrincipal.Identity.IsAuthenticated);
Assert.Empty(callbackPrincipal.Identity.Name);
Assert.Null(Thread.CurrentPrincipal);
});
}
[Fact, RestoreThreadPrincipal]
public Task SendAsync_DoesNotChangeExistingThreadPrincipal()
{
// Arrange
var config = new HttpConfiguration();
var request = new HttpRequestMessage();
var dispatcherMock = new Mock<HttpControllerDispatcher>();
var server = new HttpServer(config, dispatcherMock.Object);
var invoker = new HttpMessageInvoker(server);
var principal = new GenericPrincipal(new GenericIdentity("joe"), new string[0]);
Thread.CurrentPrincipal = principal;
IPrincipal callbackPrincipal = null;
dispatcherMock.Protected()
.Setup<Task<HttpResponseMessage>>("SendAsync", request, CancellationToken.None)
.Callback(() => callbackPrincipal = Thread.CurrentPrincipal)
.Returns(TaskHelpers.FromResult<HttpResponseMessage>(request.CreateResponse()));
// Act
return invoker.SendAsync(request, CancellationToken.None)
.ContinueWith(req =>
{
// Assert
Assert.Same(principal, callbackPrincipal);
Assert.Same(principal, Thread.CurrentPrincipal);
});
}
}
}
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