public void Cann_Save_Valid_Changes()
{
//Arrange - Create mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
//Arrange - Create the controller
AdminController target = new AdminController(mock.Object);
//Arrange - Create a Product
Product product = new Product { Name = "Test" };
//Act - Try to save the product
ActionResult result = target.Edit(product);
//Assert - Check if the repository was called
mock.Verify(m => m.SaveProduct(product));
//Assert - Check the method result type
Assert.IsNotInstanceOfType(result, typeof(ViewResult));
}
public void Cannot_Edit_Nonexistent_Product()
{
//Arrange - Create mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[]{
new Product {ProductID = 1, Name = "P1"},
new Product {ProductID = 2, Name = "P2"},
new Product {ProductID = 3, Name = "P3"},
});
//Arrange - Create the controller
AdminController target = new AdminController(mock.Object);
//Act
Product result = target.Edit(4).ViewData.Model as Product;
//Assert
Assert.IsNull(result);
}
public void Cannot_Save_Invalid_Changes()
{
//Arrange - Create mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
//Arrange - Create the controller
AdminController target = new AdminController(mock.Object);
//Arrange - Create a Product
Product product = new Product { Name = "Test" };
//Arrange - Add an error to the model state
target.ModelState.AddModelError("error", "error");
//Act - try to save the product
ActionResult result = target.Edit(product);
//Assert - Check that the repository was not called
mock.Verify(m => m.SaveProduct(It.IsAny<Product>()), Times.Never());
//Assert - Check the method result
Assert.IsInstanceOfType(result, typeof(ViewResult));
}
public void Can_Edit_Product()
{
//Arrange - Create mock repository
Mock<IProductsRepository> mock = new Mock<IProductsRepository>();
mock.Setup(m => m.Products).Returns(new Product[]{
new Product {ProductID = 1, Name = "P1"},
new Product {ProductID = 2, Name = "P2"},
new Product {ProductID = 3, Name = "P3"},
});
//Arrange - Create the controller
AdminController target = new AdminController(mock.Object);
//Act
Product p1 = target.Edit(1).ViewData.Model as Product;
Product p2 = target.Edit(2).ViewData.Model as Product;
Product p3 = target.Edit(3).ViewData.Model as Product;
//Assert
Assert.AreEqual(1, p1.ProductID);
Assert.AreEqual(2, p2.ProductID);
Assert.AreEqual(3, p3.ProductID);
}