public void Balance_When_purchase_products_Then_balance_is_correctly_updated()
{
// Arrange
var balance1 = new Account { Id = 1, Name = "YYY", Balance = 100 };
var balance2 = new Account { Id = 2, Name = "YY", Balance = 10 };
var balance3 = new Account { Id = 3, Name = "Y", Balance = 101 };
var productBalance = A.Fake<IRepository<Account>>();
A.CallTo(() => productBalance.Query()).Returns(new[] { balance1, balance2, balance3 }.AsQueryable());
var account = new Account { Id = 1, Balance = 101 };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(productBalance);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Act
service.Purchase(account.Id, new[] { balance1.Id, balance2.Id }, balance1.Balance + balance2.Balance);
// Assert
Assert.That(balance1.Balance, Is.EqualTo(102));
Assert.That(balance2.Balance, Is.EqualTo(11));
}
public void Purchase_When_not_enough_balance_Then_throw_exception()
{
// Assert
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act and Assert
Assert.Throws<PurchaseException>(() => service.Purchase(1, Enumerable.Empty<int>(), 200.50m));
}
public void GetDiscount_When_selected_expensive_products_Then_can_get_5percent_discount()
{
var service = new PurchaseService(_fakeUnitOfWorkFactory);
var discount = service.GetDiscount(2, 200m);
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void GetDiscount_When_previous_orders_and_selected_expensive_products_Then_can_get_15percent_discount()
{
var service = new PurchaseService(_fakeUnitOfWorkFactory);
var discount = service.GetDiscount(1, 200m);
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT + PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public void GetDiscount_When_selected_expensive_products_and_account_has_enought_orders_Then_max_discount()
{
//Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
//Act
var discount = service.GetDiscount(1, 250.5m);
//Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT + PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public void GetDiscount_When_previous_orders_greater_than_500m_and_selected_products_greater_than_200m_Then_account_get_15_per_discount()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(3, 200m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT + PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public void GetDiscount_When_account_selected_expensive_product_Then_expensive_products_discount()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(131, 201.5m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void GetDiscount_When_account_has_not_enough_orders_and_selected_expensive_product_Then_orders_history_discount()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(2, 200m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void GetDiscount_When_account_has_enough_orders_and_selected_cheap_product_Then_orders_history_discount()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(1, 10.5m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public void GetDiscount_When_selected_expensive_products_price_greater_than_200m_Then_account_get_5_per_discount()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(2, 200m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void GetDiscount_When_account_has_order_history_for_discount_and_selected_expensive_product_Then_sum_discounts()
{
//Arreng
var service = new PurchaseService(_fakeUnitOfWorkFactory);
//Act
var discount = service.GetDiscount(1, 200m);
//Assert
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT+PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public MainView()
{
InitializeComponent();
// It should be constructed using the IoC container.
var unitOfWorkFactory = new UnitOfWorkFactory();
var dataLoadingService = new DataLoadingService(unitOfWorkFactory);
var purchaseService = new PurchaseService(unitOfWorkFactory);
// Create and set manually to simplify the example.
DataContext = new MainViewModel(dataLoadingService, purchaseService);
}
public CashboxCalculatuinDiscountSteps()
{
_fakeAccountRepository = new FakeRepository<Account>();
_fakeOrderRepository = new FakeRepository<Order>();
_fakeProductRepository = new FakeRepository<Product>();
_fakeUnitOfWorkFactory = new FakeUnitOfWorkFactory(
uow =>
{
uow.SetRepository(_fakeAccountRepository);
uow.SetRepository(_fakeOrderRepository);
uow.SetRepository(_fakeProductRepository);
});
_service = new PurchaseService(_fakeUnitOfWorkFactory);
TestSetup();
}
public void GivenIMakeAPurchaseWhichIsWorth(int value)
{
var orderRepository = A.Fake<IRepository<Order>>();
A.CallTo(() => orderRepository.Query()).Returns(new[] { _order }.AsQueryable());
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Query()).Returns(new[] { _account }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Order>()).Returns(orderRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
_result = service.GetDiscount(_account.Id, value);
}
public void WhenIGetDiscount()
{
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(_account);
var orderRepository = A.Fake<IRepository<Order>>();
A.CallTo(() => orderRepository.Query()).Returns(new[] { _order}.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Order>()).Returns(orderRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
_discount = service.GetDiscount(_account.Id, _productPrice);
}
public void WhenIByProducts()
{
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { _product }.AsQueryable());
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(_account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
service.Purchase(_account.Id, new[] { _product.Id }, _product.Price);
}
public void WhenIAskHowMuchIsTheBalanceNow()
{
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(_account);
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { _product1, _product2 }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
service.Purchase(_account.Id, new[] { _product1.Id, _product2.Id }, _product1.Price+_product2.Price);
_result = _account.Balance;
}
public void GetDiscount_When_having_ordered_enough_products_Then_get_5percent_discount()
{
var account = new Account { Id = 1, Balance = 400m, Name = "John" };
var order1 = new Order { Id = 1, AccountId = 1};
var orderRepository = A.Fake<IRepository<Order>>();
A.CallTo(() => orderRepository.Query()).Returns(new[] { order1 }.AsQueryable());
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Query()).Returns(new[] { account }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Order>()).Returns(orderRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
var discount = service.GetDiscount(account.Id, 200);
Assert.That(discount, Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void Purchase_When_amount_of_product_equals_zero_Then_throw_exception()
{
// Arrange
var product1 = new Product { Id = 1, Price = 1, Amount = 5 };
var product2 = new Product { Id = 2, Price = 2, Amount = 0 };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1, product2}.AsQueryable());
var account = new Account { Id = 1, Balance = 10};
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Act and Assert
Assert.Throws<PurchaseException>(() => service.Purchase(account.Id, new[] { product1.Id, product2.Id, }, product1.Price + product2.Price));
}
public void Purchase_When_purchase_products_with_0_amount_Then_purchase_should_throw_an_exception()
{
// Arrange
var product1 = new Product { Id = 1, Price = 2, Amount = 0, Title = "Keyboard" };
var product2 = new Product { Id = 2, Amount = 2, Price = 2, Title = "Mouse" };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1 }.AsQueryable());
var account = new Account { Id = 1, Balance = 5 };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Assert
Assert.Throws<PurchaseException>(() => service.Purchase(account.Id, new[] { product1.Id, product2.Id }, product1.Price + product2.Price));
}
public void Purchase_When_purchase_products_with_amount_0_Then_throw_argument_exception()
{
// Arrange
var product1 = new Product { Id = 1, Price = 1, Amount = 0 };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1 }.AsQueryable());
var account = new Account { Id = 1, Balance = 1 };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Act and Assert
Assert.Throws<ArgumentException>(() => service.Purchase(account.Id, new[] { product1.Id }, product1.Price));
}
public void Purchase_When_purchase_products_Then_SaveChanges_of_UnitOfWork_called()
{
// Arrange
var product1 = new Product { Id = 1, Price = 1, Amount = 1 };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1 }.AsQueryable());
var account = new Account { Id = 1, Balance = 1 };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Act
service.Purchase(account.Id, new[] { product1.Id }, product1.Price);
// Assert
A.CallTo(() => unitOfWork.SaveChanges()).MustHaveHappened(Repeated.Exactly.Once);
}
public void Purchase_When_purchase_products_Then_products_amount_correctly_updated()
{
// Arrange
var product1 = new Product { Id = 1, Price = 1, Amount = 5 };
var product2 = new Product { Id = 2, Price = 2, Amount = 10 };
var product3 = new Product { Id = 3, Price = 3, Amount = 7 };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1, product2, product3 }.AsQueryable());
var account = new Account { Id = 1, Balance = 10 };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Act
service.Purchase(account.Id, new[] { product1.Id, product2.Id }, product1.Price + product2.Price);
// Assert
Assert.That(product1.Amount, Is.EqualTo(4));
Assert.That(product2.Amount, Is.EqualTo(9));
}
public void GetDiscount_When_products_value_and_previous_orders_value_enough_for_discount_Then_get_15percent_discount()
{
var account = new Account { Id = 1, Balance = 400m, Name = "John" };
var order1 = new Order { Id = 1, AccountId = 1, Total = 250m};
var order2 = new Order { Id = 2, AccountId = 1, Total = 250m};
var orderRepository = A.Fake<IRepository<Order>>();
A.CallTo(() => orderRepository.Query()).Returns(new[] { order1, order2 }.AsQueryable());
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Query()).Returns(new[] { account }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Order>()).Returns(orderRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
var discount = service.GetDiscount(account.Id, 200);
Assert.That(
discount,
Is.EqualTo(PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT + PurchaseService.ORDERS_HISTORY_DISCOUNT));
}
public void Purchase_When_trying_to_purchase_product_with_zero_amount_Then_throw_purchase_exception()
{
var product1 = new Product { Id = 1, Amount = 0, Price = 100m };
var account = new Account { Id = 1, Balance = 105m };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1 }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
service.Purchase(account.Id, new[] { product1.Id }, product1.Price);
}
public void Purchase_When_purchase_made_Then_account_balance_updates_properly()
{
var product1 = new Product { Id = 1, Amount = 1, Price = 100m };
var account = new Account { Id = 1, Balance = 105m };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product1 }.AsQueryable());
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
service.Purchase(account.Id, new[] { product1.Id }, product1.Price);
Assert.That(account.Balance, Is.EqualTo(5));
}
public void Purchase_When_not_selected_any_product_Then_throw_exception()
{
// Assert
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act and Assert
Assert.Throws<PurchaseException>(() => service.Purchase(2, Enumerable.Empty<int>(), 200.50m));
}
public void GetDiscount_When_account_Then_orders_products()
{
// Arrange
var service = new PurchaseService(_fakeUnitOfWorkFactory);
// Act
var discount = service.GetDiscount(1, 10.5m);
// Assert
Assert.That(discount, Is.EqualTo(PurchaseService.ORDERS_HISTORY_DISCOUNT +PurchaseService.EXPENSIVE_PRODUCTS_DISCOUNT));
}
public void Purchase_When_product_amount_is_0_Then_throw_an_exception()
{
// Arrange
var product = new Product { Id = 1, Title = "Test product", Price = 10, Amount = 0 };
var productRepository = A.Fake<IRepository<Product>>();
A.CallTo(() => productRepository.Query()).Returns(new[] { product }.AsQueryable());
var account = new Account { Id = 1, Balance = 1000m };
var accountRepository = A.Fake<IRepository<Account>>();
A.CallTo(() => accountRepository.Get(A<int>._)).Returns(account);
var unitOfWork = A.Fake<IUnitOfWork>();
A.CallTo(() => unitOfWork.Repository<Product>()).Returns(productRepository);
A.CallTo(() => unitOfWork.Repository<Account>()).Returns(accountRepository);
var unitOfWorkFactory = A.Fake<IUnitOfWorkFactory>();
A.CallTo(() => unitOfWorkFactory.Create()).Returns(unitOfWork);
var service = new PurchaseService(unitOfWorkFactory);
// Assert
Assert.Throws<PurchaseException>(() => service.Purchase(account.Id, new[] { product.Id }, product.Price));
}