public void VendingMachine_SelectProduct_CoinsEnteredAndReturnMoreThanOneCoin_IsValid()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(9.5m, 22.5m, 3.15m)).Returns(CreateValidAcceptedOnePoundCoin);
_coinService.Setup(mock => mock.GetCoin(3.25m, 18.0m, 1.7m)).Returns(CreateValidAcceptedFivePenceCoin);
_coinService.Setup(mock => mock.GetCoin(5.0m, 21.4m, 1.7m)).Returns(CreateValidAcceptedTwentyPenceCoin);
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
_productService.Setup(mock => mock.GetProductQuantity(It.IsAny <string>())).Returns(10);
_productService.Setup(mock => mock.UpdateProductQuantity(It.IsAny <string>()));
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
vendingMachine.AcceptCoin(CreateValidOnePoundCoin());
vendingMachine.AcceptCoin(CreateValidFivePenceCoin());
vendingMachine.AcceptCoin(CreateValidTwentyPenceCoin());
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsSuccess, true);
Assert.AreEqual(result.Message, "Thank You");
Assert.AreEqual(result.Change != null, true);
Assert.AreEqual(result.Change.SingleOrDefault(item => item.Type == CoinType.FivePence).Number, 1);
Assert.AreEqual(result.Change.SingleOrDefault(item => item.Type == CoinType.TwentyPence).Number, 1);
Assert.AreEqual(result.Change.SingleOrDefault(item => item.Type == CoinType.FiftyPence) == null, true);
}
public void VendingMachine_AcceptCoin_VerifyCoinServiceIsCalledOnce()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>()));
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.AcceptCoin(CreateInvalidCoin());
// Assert
_coinService.Verify(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>()), Times.Once);
}
public void VendingMachine_SelectProduct_NoCoinsEntered_VerifyGetProductCalledOnce()
{
// Arrange
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
_productService.Verify(mock => mock.GetProduct(It.IsAny <string>()), Times.Once);
}
public void VendingMachine_SelectProduct_InvalidCodeEntered_VerifyGetProductCalledOnce()
{
// Arrange
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(() => null);
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.SelectProduct("INVALIDCODE");
// Assert
_productService.Verify(mock => mock.GetProduct(It.IsAny <string>()), Times.Once);
}
public void VendingMachine_AcceptCoin_InvalidCoinEntered()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>())).Returns(() => null);
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.AcceptCoin(CreateInvalidCoin());
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsRejectedCoin, true);
}
public void VendingMachine_SelectProduct_NoCoinsEntered()
{
// Arrange
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsSuccess, false);
Assert.AreEqual(result.Message, "Insert Coin");
}
public void VendingMachine_SelectProduct_InvalidCodeEntered()
{
// Arrange
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(() => null);
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.SelectProduct("INVALIDCODE");
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsSuccess, false);
Assert.AreEqual(result.Message, "Invalid Product Selected. Please try again");
}
public void VendingMachine_AcceptCoin_ValidCoinEntered()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>())).Returns(CreateValidAcceptedFivePenceCoin);
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
VendingResponse result = vendingMachine.AcceptCoin(CreateValidFivePenceCoin());
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsRejectedCoin, false);
Assert.AreEqual(result.IsSuccess, true);
Assert.AreEqual(result.Message, "0.05");
}
public void VendingMachine_SelectProduct_CoinsEnteredAndReturned_VerifyUpdateProductQuantityCalledOnce()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>())).Returns(CreateValidAcceptedOnePoundCoin);
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
_productService.Setup(mock => mock.GetProductQuantity(It.IsAny <string>())).Returns(10);
_productService.Setup(mock => mock.UpdateProductQuantity(It.IsAny <string>()));
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
vendingMachine.AcceptCoin(CreateValidOnePoundCoin());
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
_productService.Verify(mock => mock.UpdateProductQuantity(It.IsAny <string>()), Times.Once);
}
public void VendingMachine_SelectProduct_CoinsEntered_LessThanProductPrice()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>())).Returns(CreateValidAcceptedFivePenceCoin);
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
vendingMachine.AcceptCoin(CreateValidFivePenceCoin());
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsSuccess, false);
Assert.AreEqual(result.Message, string.Format("Price : {0}", 1.00m));
}
public void VendingMachine_SelectProduct_CoinsEntered_IsValid()
{
// Arrange
_coinService.Setup(mock => mock.GetCoin(It.IsAny <decimal>(), It.IsAny <decimal>(), It.IsAny <decimal>())).Returns(CreateValidAcceptedOnePoundCoin);
_productService.Setup(mock => mock.GetProduct(It.IsAny <string>())).Returns(CreateProduct());
_productService.Setup(mock => mock.GetProductQuantity(It.IsAny <string>())).Returns(10);
_productService.Setup(mock => mock.UpdateProductQuantity(It.IsAny <string>()));
// Act
var vendingMachine = new VendingMachine(_coinService.Object, _productService.Object);
vendingMachine.AcceptCoin(CreateValidOnePoundCoin());
VendingResponse result = vendingMachine.SelectProduct("COKE1");
// Assert
Assert.AreEqual(result != null, true);
Assert.AreEqual(result.IsSuccess, true);
Assert.AreEqual(result.Message, "Thank You");
}