public async Task CalculateDiscountNullRequestUserIdArgumentNullException()
{
var productRepository = new ProductRepository(null);
var userRepository = new UserRepository(null);
var service = new DiscountService(productRepository, userRepository);
var request = new ProductLookUpModel();
request.ProductId = "1";
request.UserId = "";
request.TodayDate = "2020-05-01";
await Assert.ThrowsAsync <ArgumentNullException>(() => service.CalculateDiscount(request, null));
}
public async Task GetUserByIdUserNotFoundArgumentNullException()
{
var mock = new Mock <IUserRepository>();
mock.Setup(u => u.GetUserById(It.IsAny <string>()))
.Returns(Task.FromResult <User>(null));
var productRepository = new ProductRepository(null);
var service = new DiscountService(productRepository, mock.Object);
var request = new ProductLookUpModel();
request.ProductId = "1";
request.UserId = "1";
await Assert.ThrowsAsync <ArgumentNullException>(() => service.GetUserById("1"));
}
public async Task GetProductByIdProductNotFoundArgumentNullException()
{
var mock = new Mock <IProductRepository>();
mock.Setup(u => u.GetProductById(It.IsAny <string>()))
.Returns(Task.FromResult <Product>(null));
var userRepository = new UserRepository(null);
var service = new DiscountService(mock.Object, userRepository);
var request = new ProductLookUpModel();
request.ProductId = "1";
request.UserId = "1";
request.TodayDate = "2020-05-01";
await Assert.ThrowsAsync <ArgumentNullException>(() => service.GetProductById("1"));
}
public async Task CalculateDiscountNullRequestTodayDateArgumentNullException()
{
var mock = new Mock <IProductRepository>();
var mock2 = new Mock <IUserRepository>();
mock.Setup(u => u.GetProductById(It.IsAny <string>()))
.Returns(Task.FromResult(testProduct));
mock2.Setup(u => u.GetUserById(It.IsAny <string>()))
.Returns(Task.FromResult(testUser));
var service = new DiscountService(mock.Object, mock2.Object);
var request = new ProductLookUpModel();
request.ProductId = "1";
request.UserId = "1";
request.TodayDate = "";
await Assert.ThrowsAsync <ArgumentNullException>(() => service.CalculateDiscount(request, null));
}
public async Task CalculateDiscountProductCannotBeNull()
{
var mock = new Mock <IProductRepository>();
var mock2 = new Mock <IUserRepository>();
mock.Setup(u => u.GetProductById(It.IsAny <string>()))
.Returns(Task.FromResult(testProduct));
mock2.Setup(u => u.GetUserById(It.IsAny <string>()))
.Returns(Task.FromResult(testUser));
var service = new DiscountService(mock.Object, mock2.Object);
var request = new ProductLookUpModel();
request.ProductId = "1";
request.UserId = "1";
request.TodayDate = "2020-05-01";
var product = await service.CalculateDiscount(request, null);
Assert.True(product != null);
}
public override async Task <ProductModel> CalculateDiscount(ProductLookUpModel request, ServerCallContext context)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (string.IsNullOrEmpty(request.ProductId))
{
throw new ArgumentNullException(nameof(request.ProductId));
}
if (string.IsNullOrEmpty(request.UserId))
{
throw new ArgumentNullException(nameof(request.UserId));
}
if (string.IsNullOrEmpty(request.TodayDate))
{
throw new ArgumentNullException(nameof(request.TodayDate));
}
var product = await GetProductById(request.ProductId);
var user = await GetUserById(request.UserId);
var todayDate = DateTime.Parse(request.TodayDate);
if (todayDate == DateTime.MinValue)
{
throw new ArgumentNullException(nameof(request));
}
CalculateProducstDiscount(product, user, todayDate);
return(product.ParseToProductModel());
}
