public void BuyProduct_EmptyProductId_ReturnsFalse()
{
_productRepositoryMock.Setup(m => m.GetProductById(""))
.Returns<Product>(null);
var productService = new ProductService(_productRepositoryMock.Object);
//Act
var result = productService.BuyProduct("");
//Assert
{
Assert.IsFalse(result);
}
}
public void BuyProduct_AvailableProduct_ReturnsTrue()
{
//Arrange
int quantityAfterBuy = _availableProduct.StockLevel - 1;
_productRepositoryMock.Setup(m => m.GetProductById(_availableProduct.Id))
.Returns(_availableProduct);
var productService = new ProductService(_productRepositoryMock.Object);
//Act
var result = productService.BuyProduct(_availableProduct.Id);
//Assert
Assert.IsTrue(result);
}
public void BuyProduct_ValidId_VerifyRepositoryIsCalled()
{
//Arrange
_productRepositoryMock.Setup(m => m.GetProductById(It.IsAny<string>()))
.Returns(_availableProduct);
var productService = new ProductService(_productRepositoryMock.Object);
//Act
var bought = productService.BuyProduct(_availableProduct.Id);
//Assert
_productRepositoryMock.Verify(v => v.GetProductById(_availableProduct.Id), Times.Once);
}
public void BuyProduct_NullProduct_ReturnsFalse()
{
//Arrange
_productRepositoryMock.Setup(m => m.GetProductById(It.IsAny<string>()))
.Returns<Product>(null);
var productService = new ProductService(_productRepositoryMock.Object);
//Act
var result = productService.BuyProduct("1");
//Assert
Assert.IsFalse(result);
}
