I want to test my MVC application, and I want to mock HttpContext. I'm using Moq framework, and here is what I've done to mock HttpContext:

[SetUp]
public void Setup()
{ MyUser myUser = new MyUser(); myUser.Id = 1; myUser.Name = "AutomatedUITestUser"; var fakeHttpSessionState = new FakeHttpSessionState(new SessionStateItemCollection()); fakeHttpSessionState.Add("__CurrentUser__", myUser); ControllerContext mockControllerContext = Mock.Of<ControllerContext>(ctx => ctx.HttpContext.User.Identity.Name == myUser.Name && ctx.HttpContext.User.Identity.IsAuthenticated == true && ctx.HttpContext.Session == fakeHttpSessionState && ctx.HttpContext.Request.AcceptTypes == new string[]{ "MyFormsAuthentication" } && ctx.HttpContext.Request.IsAuthenticated == true && ctx.HttpContext.Request.Url == new Uri("") && ctx.HttpContext.Response.ContentType == "application/xml"); _controller = new SomeController(); _controller.ControllerContext = mockControllerContext; //this line is not working //when I see _controller.ControllerContext in watch, it get's me //_controller.ControllerContext threw an exception of type System.ArgumentException
}
[Test]
public void Test_ControllerCanDoSomething()
{ // testing an action of the controller // The problem is, here, System.Web.HttpContext.Current is null
}

Because my application uses Session to hold user data and authentication info in almost every action method, thus I need to set HttpContext and inside it I need to set Session and put __CurrentUser__ inside session, so that action methods would have access to faked logged in user.

However, HttpContext is not set and it's null. I've searched a lot and I couldn't find my answer. What might be wrong?

Update:I also test below line, and get same result

_controller.ControllerContext = new ControllerContext( mockControllerContext.HttpContext, new RouteData(), _controller);

6

1 Answer

Judging by this answer: Mocking Asp.net-mvc Controller Context

It looks like you need to mock the Request itself, as well as the properties of the request object.

e.g.

var request = new Mock<HttpRequestBase>();

etc (the full code is in the linked answer).

2

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