MockFileUpload.cs

    protected static HttpPostedFileBase MockFileUpload(ControllerBase controller)
    {
      var request = MockRepository.GenerateStub<HttpRequestBase>();
      var context = MockRepository.GenerateStub<HttpContextBase>();
      var server = MockRepository.GenerateStub<HttpServerUtilityBase>();
      var postedfile = MockRepository.GenerateMock<HttpPostedFileBase>();
      var postedfilesKeyCollection = MockRepository.GenerateStub<HttpFileCollectionBase>();
      var fakeFileKeys = new List<string> { "image", "file" };
      context.Stub(ctx => ctx.Request).Return(request);
      context.Stub(ctx => ctx.Server).Return(server);
      server.Stub(s => s.MapPath(null)).IgnoreArguments().Return("/Path/");
      request.Stub(req => req.Files).Return(postedfilesKeyCollection);
      postedfilesKeyCollection.Stub(keys => keys.GetEnumerator()).Return(fakeFileKeys.GetEnumerator());
      postedfilesKeyCollection.Stub(keys => keys["file"]).Return(postedfile);
      postedfilesKeyCollection.Stub(keys => keys["image"]).Return(postedfile);
      postedfile.Expect(f => f.FileName).Return("foo.doc").Repeat.Any();
      postedfile.Expect(f => f.SaveAs(Arg<string>.Is.Anything)).Repeat.Any();
      postedfile.Expect(f => f.ContentLength).Return(512).Repeat.Twice();
      controller.ControllerContext = new ControllerContext(context, new RouteData(), controller);
      return postedfile;
    }