public void Test_WhenModifyCart_IsSuccessful_RedirectsToCartPage()
{
var cartItem = new WMoSS.Entities.CartItem
{
MovieSessionId = 1,
TicketQuantity = 1
};
// ARRANGE
// Extension methods cannot be mocked
// so serialize the cart into string they convert to byte array
// Also do not mock the cart and cart items
var cart = new WMoSS.Entities.Cart
{
CartItems = new WMoSS.Entities.CartItem[] { cartItem }
};
var jsonCart = JsonConvert.SerializeObject(cart);
byte[] jsonCartBytes = System.Text.Encoding.UTF8.GetBytes(jsonCart);
mockSession.Setup(ms => ms.TryGetValue("cart", out jsonCartBytes)).Returns(true).Verifiable();
CartIndexModel.CartItem = cart.CartItems.FirstOrDefault();
// ACT
var result = CartIndexModel.OnPostModifyCart();
// ASSERT
var redirect = Assert.IsType <RedirectToPageResult>(result);
Assert.Equal("/Cart/Index", redirect.PageName);
}
public void Test_WhenModifyCartFailsToModifyCart_ItRendersTheCartPageAgain()
{
// ARRANGE
var cartItem = new WMoSS.Entities.CartItem
{
MovieSessionId = 1,
TicketQuantity = 1
};
var cartItem2 = new WMoSS.Entities.CartItem
{
MovieSessionId = 2,
TicketQuantity = 1
};
var cart = new WMoSS.Entities.Cart
{
CartItems = new WMoSS.Entities.CartItem[] { cartItem }
};
var jsonCart = JsonConvert.SerializeObject(cart);
byte[] jsonCartBytes = System.Text.Encoding.UTF8.GetBytes(jsonCart);
mockSession.Setup(ms => ms.TryGetValue("cart", out jsonCartBytes)).Returns(true).Verifiable();
// assume cart item submitted has different movie session id
// this should pass the ModelState.IsValid but fails on further validation
CartIndexModel.CartItem = cartItem2;
// ACT
var result = CartIndexModel.OnPostModifyCart();
// ASSERT
Assert.IsType <PageResult>(result);
}
public void Test_Add()
{
// ARRANGE
var cartItem = new WMoSS.Entities.CartItem
{
MovieSessionId = 1,
TicketQuantity = 1
};
// ACT
cart.Add(cartItem);
// ASSERT
Assert.Equal(1, cart.CartItems.Count);
}
public void Test_WhenModifyCart_ModelStateIsNotValid_RendersTheCartPageAgain()
{
// ARRANGE
var cartItem = new WMoSS.Entities.CartItem
{
MovieSessionId = 1,
TicketQuantity = 0
};
CartIndexModel.ModelState.AddModelError(nameof(cartItem), "Ticket quantity cannot be 0");
// ACT
var result = CartIndexModel.OnPostModifyCart();
// ASSERT
Assert.IsType <PageResult>(result);
}
