I don't know if you can effectively mock the HttpContext. It's sealed and
has no interfaces... it's one massive side effect. I would recommend
abstracting your use of it out to a custom class that wraps it and helps you
break direct dependencies on it.
One way I would recommend to do this is by using an IOC container and
abstracting out the http context. So suppose all you want is the current
User off of the HttpContext. Instead of directly referencing the context
make an interface and class like this:
public interface IHttpContext
{
IPrincipal User { get; }
}
public class HttpContextWrapper : IHttpContext
{
HttpContext _context;
public HttpContextWrapper(HttpContext context)
{
_context = context;
}
public IPrincipal User { get { return _context.User; } }
}
Now in your code that used to call the context to get the user do something
like this:
IHttpContext context = Container.Create<IHttpContext>();
IPrincipal user = context.User;
Now to register it in your real code, at app initialization:
Container.Register<IHttpContext>(() => return new
HttpContextWrapper(HttpContext.Current));
and using Rhino Mocks in your unit test library instead register it this
way:
IHttpContext context = MockRepository.GenerateMock<IHttpContext>();
Container.Register<IHttpContext>(() => return context);
The exact syntax for the container is just psuedo code above, it depends on
the framework you're using but the concepts are generally the same. You use
the container as a factory method to break dependencies between types. In
the real app you register the real types in the test app you register mock
types.
On Mon, Nov 17, 2008 at 1:40 AM, chiragkumar maisuriya <
[EMAIL PROTECTED]> wrote:
>
>
>
> Hi Ayende,
>>
>> I am working on Rhino Mocks and trying to mock out the HttpContext for one
>> of my Controller's Method using rhino Mocks but Finding a lot of troubles
>>
>> I am sending the my Method and Test Method. Please Suggest me some way so
>> that I can mock out HttpContext Object for Unit Test my method.
>>
>>
>> public override bool Execute(string moduleId, string actionId,
>> HttpContext context)
>>
>> {
>>
>> switch (actionId)
>>
>> {
>>
>> case "Init":
>>
>> LoadData();
>>
>> break;
>>
>> default:
>>
>> break;
>>
>> }
>>
>> dealerBulletinDetailsEntity.ActionId = actionId;
>>
>> SetContext(dealerBulletinDetailsEntity, context);
>>
>> SetContext(rulesEntity, context);
>>
>> return RedirectUrl(moduleId, context);
>>
>> }
>>
>>
>> Test Method
>>
>>
>> [
>> TestMethod()]
>>
>> public void ExecuteTest()
>>
>> {
>>
>> PolicyRulesController target = new PolicyRulesController(); // TODO:
>> Initialize to an appropriate value
>>
>> string moduleId = string.Empty; // TODO: Initialize to an appropriate
>> value
>>
>> string actionId = string.Empty; // TODO: Initialize to an appropriate
>> value
>>
>> HttpContextBase context = MockRepository.GenerateStub<HttpContextBase>();
>>
>>
>> bool expected = false; // TODO: Initialize to an appropriate value
>>
>> bool actual;
>>
>> actual = target.Execute(moduleId, actionId, context);
>>
>> Assert.AreEqual(expected, actual);
>>
>> Assert.Inconclusive("Verify the correctness of this test method.");
>>
>> }
>>
>>
>>
>> Thanks & Regards,
>>
>> Chirag
>>
>
>
> >
>
--
Justin Chase
http://www.justnbusiness.com
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