public void CreateOrder_ThrowsException_IfIsNotEachesGroceryItem()
{
Mock <IGroceryItem> genericItemMock = new Mock <IGroceryItem>();
WeighedGroceryItemOrderFactory factory =
new WeighedGroceryItemOrderFactory();
Assert.ThrowsException <InvalidGroceryItemTypeException>(() =>
factory.CreateOrder(genericItemMock.Object));
}
public void CreateOrder_CreatesOrderWithFiveItems_WhenFactoryCreatedWithCustomDefault()
{
WeighedGroceryItem item = new WeighedGroceryItem("bananas", 2.38M);
WeighedGroceryItemOrderFactory factory =
new WeighedGroceryItemOrderFactory(5);
IGroceryItemOrder order = factory.CreateOrder(item);
Assert.IsTrue(order is WeighedGroceryItemOrder);
WeighedGroceryItemOrder weighedOrder = ((WeighedGroceryItemOrder)order);
Assert.AreEqual(item, weighedOrder.Item);
Assert.AreEqual(5, weighedOrder.Weight);
}
public void CreateOrder_CreatesOrderWithNoWeight_IfIsIWeighedGroceryItem()
{
WeighedGroceryItem item = new WeighedGroceryItem("bananas", 2.38M);
WeighedGroceryItemOrderFactory factory =
new WeighedGroceryItemOrderFactory();
IGroceryItemOrder order = factory.CreateOrder(item);
Assert.IsTrue(order is WeighedGroceryItemOrder);
WeighedGroceryItemOrder weighedOrder = ((WeighedGroceryItemOrder)order);
Assert.AreEqual(item, weighedOrder.Item);
Assert.AreEqual(0.0M, weighedOrder.Weight);
}
public void CreateOrder_GetsWeightFromWeightSelector_WhenFactoryCreatedWithWeightSelector()
{
WeighedGroceryItem item = new WeighedGroceryItem("bananas", 2.38M);
Mock <IWeightSelector> weightSelectorMock = new Mock <IWeightSelector>();
weightSelectorMock.Setup(ws => ws.SelectWeight(item)).Returns(9.2M);
WeighedGroceryItemOrderFactory factory =
new WeighedGroceryItemOrderFactory(weightSelectorMock.Object);
IGroceryItemOrder order = factory.CreateOrder(item);
Assert.IsTrue(order is WeighedGroceryItemOrder);
WeighedGroceryItemOrder weighedOrder = ((WeighedGroceryItemOrder)order);
Assert.AreEqual(item, weighedOrder.Item);
Assert.AreEqual(9.2M, weighedOrder.Weight);
}
