public async Task DetailsTest()
{
DatabaseContext context = GetNewInMemoryDbWithData();
var controller = new ThemeProductsController(context);
var result = await controller.Details(4);
var viewResult = Assert.IsType <ViewResult>(result);
var model = Assert.IsAssignableFrom <ThemeProduct>(viewResult.ViewData.Model);
//Check if the Theme with id 4 has the correct values
Assert.Equal(4, model.Theme.ThemeId);
Assert.Equal("Waterpolo", model.Theme.ThemeName);
Assert.Equal("Nat", model.Theme.Description);
Assert.Equal("\\images\\themes\\turkey.jpg", model.Theme.ImageUrl);
//Check if the Product with id 4 has the correct values
Assert.Equal(4, model.Product.Id);
Assert.Equal("Test product4", model.Product.Title);
Assert.Equal("Mooie omschrijving", model.Product.Description);
Assert.Equal("\\images\\products\\fish.jpg", model.Product.ImageUrl);
}