I have an action filter which is setting an object in the HttpApplicationState of the HttpContext of the filter context. I would like to have this functionality in a unit test but for some reason the object is not being set in the underlying NameObjectCollectionBase from which HttpApplicationState derives.
I know the functionality works because when I run the MVC application it works as expected.
How can I set up my test to get it to set objects in the application state? Im using Moq and here is some of the code so far. It fails on
Asset.IsNotNull(context.HttpContext.Application["config"]);
Here is the code.
public override void OnActionExecuted(ActionExecutedContext filterContext)
{
ControllerBase controller = filterContext.Controller;
if (!(controller is ApplicationController))
return;
ApplicationController applicationController = (ApplicationController) controller;
IDictionary<string, string> config;
// Loads the view configuration values.
if (filterContext.HttpContext.Application["config"] == null)
{
config = applicationController.ApplicationService.GetConfiguration();
filterContext.HttpContext.Application["config"] = config;
}
else
{
config = (IDictionary<string, string>) filterContext.HttpContext.Application["config"];
}
applicationController.ViewBag.BlogTitle = AddConfigurationValueToViewBag("BlogTitle", config);
}
Here's the test so far.
[TestMethod]
public void ApplicationAttribute_OnActionExecuted_SetsConfigurationDctionaryInAppicationCache()
{
// Arrange
Mock<HttpContextBase> httpContext = new Mock<HttpContextBase>();
var mockApplicationState = new Mock<HttpApplicationStateBase>();
httpContext.Setup(h => h.Application).Returns(mockApplicationState.Object);
ApplicationController applicationController = new BlogController(null, null, MocksAndStubs.CreateMockApplicationService());
Mock<ActionExecutedContext> actionExecutedContext = new Mock<ActionExecutedContext>();
actionExecutedContext.SetupGet(c => c.HttpContext).Returns(httpContext.Object);
actionExecutedContext.SetupGet(c => c.Controller).Returns(applicationController);
// Act
ApplicationAttribute applicationAttribute = new ApplicationAttribute();
ActionExecutedContext context = actionExecutedContext.Object;
applicationAttribute.OnActionExecuted(context);
// Assert
Assert.IsNotNull(context.HttpContext.Application["config"]);
}