public void CreateController_Invokes_Inner_And_Traces()
{
// Arrange
Mock <ApiController> mockController = new Mock <ApiController>();
Mock <IHttpControllerFactory> mockFactory = new Mock <IHttpControllerFactory>()
{
CallBase = true
};
mockFactory.Setup(b => b.CreateController(It.IsAny <HttpControllerContext>(), It.IsAny <string>())).Returns(mockController.Object);
HttpControllerContext controllerContext = ContextUtil.CreateControllerContext(request: new HttpRequestMessage());
TestTraceWriter traceWriter = new TestTraceWriter();
HttpControllerFactoryTracer tracer = new HttpControllerFactoryTracer(mockFactory.Object, traceWriter);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(controllerContext.Request, TraceCategories.ControllersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "CreateController"
},
new TraceRecord(controllerContext.Request, TraceCategories.ControllersCategory, TraceLevel.Info)
{
Kind = TraceKind.End, Operation = "CreateController"
}
};
// Act
IHttpController createdController = ((IHttpControllerFactory)tracer).CreateController(controllerContext, "anyName");
// Assert
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.IsAssignableFrom <HttpControllerTracer>(createdController);
}
public void CreateController_Throws_And_Traces_When_Inner_Throws()
{
// Arrange
Mock <IHttpControllerFactory> mockFactory = new Mock <IHttpControllerFactory>()
{
CallBase = true
};
InvalidOperationException exception = new InvalidOperationException("test");
mockFactory.Setup(b => b.CreateController(It.IsAny <HttpControllerContext>(), It.IsAny <string>())).Throws(exception);
HttpControllerContext controllerContext = ContextUtil.CreateControllerContext(request: new HttpRequestMessage());
TestTraceWriter traceWriter = new TestTraceWriter();
HttpControllerFactoryTracer tracer = new HttpControllerFactoryTracer(mockFactory.Object, traceWriter);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(controllerContext.Request, TraceCategories.ControllersCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "CreateController"
},
new TraceRecord(controllerContext.Request, TraceCategories.ControllersCategory, TraceLevel.Error)
{
Kind = TraceKind.End, Operation = "CreateController"
}
};
// Act
Exception thrown = Assert.Throws <InvalidOperationException>(() => ((IHttpControllerFactory)tracer).CreateController(controllerContext, "anyName"));
// Assert
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
}
private static void CreateControllerFactoryTracer(HttpConfiguration configuration, ITraceWriter traceWriter)
{
IHttpControllerFactory factory = configuration.ServiceResolver.GetService(typeof(IHttpControllerFactory)) as IHttpControllerFactory;
HttpControllerFactoryTracer tracer = new HttpControllerFactoryTracer(factory, traceWriter);
configuration.ServiceResolver.SetService(typeof(IHttpControllerFactory), tracer);
}