Maverick.Web.Routing.PagePrerouter.GetVirtualPath C# (CSharp) Method

        public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values)
        {
            PortalRequestContext context = requestContext.HttpContext.GetPortalContext();

            // Remove the "page" from the route data before rerouting
            Page page = null;
            if(values.ContainsKey("page")) {
                // If page is present, but is null, then the user explicitly requested that no page routing be done
                page = values["page"] as Page;
                if(page == null) {
                    return null;
                }
                values.Remove("page");
            }

            // Reroute the request
            VirtualPathData pathData = RerouteRequest(r => r.GetVirtualPath(requestContext, values));
            if(pathData == null) {
                return null; // Rerouting failed
            }

            // If we didn't find a page to route the request to, select the active page
            if(page == null) {
                page = context.ActivePage;
            }

            // If we still don't have a page, ignore this route
            if(page == null) {
                return null;
            }

            // Append the page path to the virtual path received and return the new path
            string newVirtualPath = String.Format(CultureInfo.InvariantCulture, "{0}/{1}", page.Path.Substring(1), pathData.VirtualPath).Trim('/');
            return new VirtualPathData(this, newVirtualPath);
        }

        public void GetVirtualPath_Returns_Null_If_Null_Page_Present_In_Values()
        {
            // Arrange
            var mockRoute = new Mock<RouteBase>();

            mockRoute.Never(r => r.GetVirtualPath(It.IsAny<RequestContext>(), It.IsAny<RouteValueDictionary>()));

            PagePrerouter router = new PagePrerouter();
            router.RouteCollection = new RouteCollection {
                {"Prerouter", router},
                {"NextRoute", mockRoute.Object}
            };

            HttpContextBase httpContext = CreateMockHttpContext("~/Foo/Bar/Baz");
            RouteValueDictionary values = new RouteValueDictionary(new {page = (Page)null});

            // Act
            VirtualPathData pathData = router.GetVirtualPath(new RequestContext(httpContext, new RouteData()), values);

            // Assert
            Assert.IsNull(pathData, "Expected that the prerouter would be bypassed");
        }