public void TestMissingController()
        {
            var context = new MockActionExecutingContext(new object());
            var filter  = new UrlHelperProviderAttribute();

            Assert.Throws <FilterRequiresControllerException>(
                () => filter.OnActionExecuting(context));
        }
        public void TestSettingContext()
        {
            var serviceCollection = new ServiceCollection();

            serviceCollection.AddFluentRestBuilder();
            var scope = serviceCollection.BuildServiceProvider()
                        .CreateScope();
            var controller = new MockController(scope.ServiceProvider);
            var context    = new MockActionExecutingContext(controller);
            var filter     = new UrlHelperProviderAttribute();

            filter.OnActionExecuting(context);
            var storage = scope.ServiceProvider.GetService <IScopedStorage <IUrlHelper> >();

            Assert.Same(controller.Url, storage.Value);
        }