public void Can_Delete_Product_Service()
{
//Arrange
List<Product> products = new List<Product>()
{
new Product(){Description="P1",ProductId=1,ProductName="p1Name"},
new Product(){Description="P2",ProductId=2,ProductName="p2Name"},
new Product(){Description="P3",ProductId=3,ProductName="p3Name"},
new Product(){Description="P4",ProductId=4,ProductName="p4Name"},
new Product(){Description="P5",ProductId=5,ProductName="p5Name"},
new Product(){Description="P6",ProductId=6,ProductName="p6Name"},
};
Mock<IGenericRepository<Product>> mock1 = new Mock<IGenericRepository<Product>>();
//Here we are going to mock repository FindById Method
mock1.Setup(m => m.FindById(It.IsAny<int>())).Returns((int i) => products.Single(x => x.ProductId == i));
//Here we are going to mock repository Delete method
mock1.Setup(m => m.Delete(It.IsAny<Product>())).Returns((Product target) =>
{
var original = products.FirstOrDefault(
q => q.ProductId == target.ProductId);
if (original == null)
{
return false;
}
products.Remove(target);
return true;
});
//Now we have our repository ready for property injection
//Here we are going to mock our IUnitOfWork
Mock<IUnitOfWork> mock = new Mock<IUnitOfWork>();
//Here we are going to inject our repository to the property
mock.Setup(m => m.ProductRepository).Returns(mock1.Object);
//Now our UnitOfWork is ready to be injected to the service
//Here we inject UnitOfWork to constractor of our service
ProductService productService = new ProductService(mock.Object);
//Act
productService.DeleteProduct(6);
var result = products.FirstOrDefault(t => t.ProductId == 6);
//Assert
Assert.IsNull(result);
Assert.IsTrue(products.Count ==5);
}
