public void CalculatePrice_ShouldSumAllPricesForAllItems()
{
int quantity = 1;
decimal priceForItemA = 1.25m;
decimal priceForItemB = 4.25m;
decimal expectedTotal = priceForItemA + priceForItemB;
var orderList = new OrderList();
orderList.AddItem(new StockItem("A"), priceForItemA);
orderList.AddItem(new StockItem("B"), priceForItemB);
_calculationRuleMock.Setup(i => i.CalculatePrice(quantity, priceForItemA))
.Returns(priceForItemA)
.Verifiable();
_calculationRuleMock.Setup(i => i.CalculatePrice(quantity, priceForItemB))
.Returns(priceForItemB)
.Verifiable();
var totalPrice = _sut.CalculatePrice(orderList);
Assert.AreEqual(expectedTotal, totalPrice, "Total price should match");
_calculationRuleMock.VerifyAll();
_calculationRulesProviderMock.VerifyAll();
}
public void CalculatePrice_ShouldCallCalcualtionRuleForEachItem_WhenThereIsMoreThenOneItemInTheOrderList()
{
int quantity = 1;
decimal priceForSingleItem = 1.25m;
var orderList = new OrderList();
orderList.AddItem(new StockItem("A"), priceForSingleItem);
orderList.AddItem(new StockItem("B"), priceForSingleItem);
_sut.CalculatePrice(orderList);
_calculationRuleMock.Verify(i => i.CalculatePrice(quantity, priceForSingleItem), Times.Exactly(2));
_calculationRulesProviderMock.Verify();
}
public void GetOrderItems_ShouldReturnAListWithTwoItems_WhenTwoOrderItemsWhereAdded()
{
var stockItemA = new StockItem("A");
var stockItemB = new StockItem("B");
var priceA = 1.25m;
var priceB = 4.25m;
_sut.AddItem(stockItemA, priceA);
_sut.AddItem(stockItemB, priceB);
var itemsInTheList = _sut.GetOrderItems();
Assert.AreEqual(2, itemsInTheList.Count, "Order list should contain 2 items");
Assert.IsTrue(itemsInTheList.Any(i => i.ItemCode == stockItemA.Code && i.Price == priceA),
"List should contain stockitem1 with correct price");
Assert.IsTrue(itemsInTheList.Any(i => i.ItemCode == stockItemB.Code && i.Price == priceB),
"List should contain stockitem2 with correct price");
}