Question

How do I go about creating a mock request for my asp.net-mvc application for unit-testing?

What options do I have?

I am using FormsCollection in my Actions so I can simulate form input data also.

Answer 1

You just have to create a new instance of FormCollection and add the data inside of it.

So you can call something like this without mocking anything.

var result = controller.Create(new FormCollection { { 'InvoiceId', '-1' } }) as RedirectToRouteResult; 

Otherwise if your code calls something like Request or HttpContext you can use the following extension method (inspired from Scott Hanselman’s example)

I am using RhinoMocks.

public static HttpContextBase SetHttpContext(this MockRepository mocks, Controller controller, HttpCookieCollection cookies) { cookies = cookies ?? new HttpCookieCollection();  var request = mocks.StrictMock<HttpRequestBase>(); var context = mocks.StrictMock<HttpContextBase>(); var response = mocks.StrictMock<HttpResponseBase>();  SetupResult.For(context.Request).Return(request); SetupResult.For(context.Response).Return(response); SetupResult.For(request.Cookies).Return(cookies); SetupResult.For(request.IsSecureConnection).Return(false); SetupResult.For(response.Cookies).Return(cookies);  if (controller != null) {     controller.ControllerContext = new ControllerContext(context, new RouteData(), controller); }  if (!string.IsNullOrEmpty(requestUrl)) {     request.SetupRequestUrl(requestUrl);     SetupResult.For(response.ApplyAppPathModifier(null)).IgnoreArguments().Return(null); }  return context; }