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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Net.Http;
using System.Net.Http.Formatting;
using System.Web.Http.Controllers;
using System.Web.Http.Dispatcher;
using System.Web.Http.Tracing.Tracers;
using Moq;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Http.Tracing
{
public class TraceManagerTest
{
[Fact]
public void TraceManager_Is_In_Default_ServiceResolver()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
// Act
ITraceManager traceManager = config.Services.GetService(typeof (ITraceManager)) as ITraceManager;
// Assert
Assert.IsType<TraceManager>(traceManager);
}
[Theory]
[InlineData(typeof(IHttpControllerSelector))]
[InlineData(typeof(IHttpControllerActivator))]
[InlineData(typeof(IHttpActionSelector))]
[InlineData(typeof(IHttpActionInvoker))]
[InlineData(typeof(IActionValueBinder))]
[InlineData(typeof(IContentNegotiator))]
public void Initialize_Does_Not_Alter_Configuration_When_No_TraceWriter_Present(Type serviceType)
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
object defaultService = config.Services.GetService(serviceType);
// Act
new TraceManager().Initialize(config);
// Assert
Assert.Same(defaultService.GetType(), config.Services.GetService(serviceType).GetType());
}
[Theory]
[InlineData(typeof(IHttpControllerSelector))]
[InlineData(typeof(IHttpControllerActivator))]
[InlineData(typeof(IHttpActionSelector))]
[InlineData(typeof(IHttpActionInvoker))]
[InlineData(typeof(IActionValueBinder))]
[InlineData(typeof(IContentNegotiator))]
public void Initialize_Alters_Configuration_When_TraceWriter_Present(Type serviceType)
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
Mock<ITraceWriter> traceWriter = new Mock<ITraceWriter>() { CallBase = true };
config.Services.Replace(typeof(ITraceWriter), traceWriter.Object);
object defaultService = config.Services.GetService(serviceType);
// Act
new TraceManager().Initialize(config);
// Assert
Assert.NotSame(defaultService.GetType(), config.Services.GetService(serviceType).GetType());
}
[Fact]
public void Initialize_Does_Not_Alter_MessageHandlers_When_No_TraceWriter_Present()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
Mock<DelegatingHandler> mockHandler = new Mock<DelegatingHandler>() { CallBase = true };
config.MessageHandlers.Add(mockHandler.Object);
// Act
new TraceManager().Initialize(config);
// Assert
Assert.Equal(config.MessageHandlers[config.MessageHandlers.Count - 1].GetType(), mockHandler.Object.GetType());
}
[Fact]
public void Initialize_Alters_MessageHandlers_WhenTraceWriter_Present()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
Mock<ITraceWriter> traceWriter = new Mock<ITraceWriter>() { CallBase = true };
config.Services.Replace(typeof(ITraceWriter), traceWriter.Object);
Mock<DelegatingHandler> mockHandler = new Mock<DelegatingHandler>() { CallBase = true };
config.MessageHandlers.Add(mockHandler.Object);
// Act
new TraceManager().Initialize(config);
// Assert
Assert.IsAssignableFrom<RequestMessageHandlerTracer>(config.MessageHandlers[config.MessageHandlers.Count - 1]);
Assert.IsAssignableFrom<MessageHandlerTracer>(config.MessageHandlers[config.MessageHandlers.Count - 2]);
}
[Fact]
public void Initialize_Does_Not_Alter_MediaTypeFormatters_When_No_TraceWriter_Present()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
// Act
new TraceManager().Initialize(config);
// Assert
foreach (var formatter in config.Formatters)
{
Assert.False(typeof(IFormatterTracer).IsAssignableFrom(formatter.GetType()));
}
}
[Fact]
public void Initialize_Alters_MediaTypeFormatters_WhenTraceWriter_Present()
{
// Arrange
HttpConfiguration config = new HttpConfiguration();
Mock<ITraceWriter> traceWriter = new Mock<ITraceWriter>() { CallBase = true };
config.Services.Replace(typeof(ITraceWriter), traceWriter.Object);
// Act
new TraceManager().Initialize(config);
// Assert
foreach (var formatter in config.Formatters)
{
Assert.IsAssignableFrom<IFormatterTracer>(formatter);
}
}
}
}
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