public void Nested_UnitOfWork_With_Different_Transaction_Compatibility_Works()
{
var changedShipDate = DateTime.Now.AddDays(1);
var changedOrderDate = DateTime.Now.AddDays(2);
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext{Log = Console.Out}))
{
testData.Batch(actions =>
actions.CreateOrderForCustomer(actions.CreateCustomer()));
int orderId;
using (new UnitOfWorkScope())
{
var ordersRepository = new LinqToSqlRepository<Order>();
orderId = ordersRepository.Select(x => x.OrderID).First();
}
Assert.NotNull(orderId);
using (new UnitOfWorkScope())
{
var outerRepository = new LinqToSqlRepository<Order>();
var outerOrder = outerRepository.Where(x => x.OrderID == orderId).First();
outerOrder.OrderDate = changedOrderDate;
using (var innerScope = new UnitOfWorkScope(UnitOfWorkScopeTransactionOptions.CreateNew))
{
var innerRepository = new LinqToSqlRepository<Order>();
var innerOrder = innerRepository.Where(x => x.OrderID == orderId).First();
innerOrder.ShipDate = changedShipDate;
innerScope.Commit();
}
}
using (new UnitOfWorkScope())
{
var ordersRepository = new LinqToSqlRepository<Order>();
var order = ordersRepository.First();
Assert.That(order.OrderDate, Is.Not.EqualTo(changedOrderDate));
Assert.That(order.ShipDate, Is.Not.EqualTo(changedShipDate));
}
}
}
public void When_Calling_CalculateTotal_On_Order_Returns_Valid_With_No_UnitOfWork_Throws()
{
Order order;
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions =>
actions.CreateOrderForProducts(actions.CreateProducts(5)));
var oredersRepository = new LinqToSqlRepository<Order>();
order = (from o in oredersRepository
select o).FirstOrDefault();
}
Assert.Throws<ObjectDisposedException>(() => order.CalculateTotal());
}
public void When_No_FetchingStrategy_Registered_For_Makes_No_Changes()
{
Order order;
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions =>
actions.CreateOrderForProducts(actions.CreateProducts(5)));
var oredersRepository = new LinqToSqlRepository<Order>();
order = (from o in oredersRepository
select o).FirstOrDefault();
}
Assert.Throws<ObjectDisposedException>(() => order.CalculateTotal());
}
public void UnitOfWork_Is_Rolledback_When_Containing_TransactionScope_Is_Rolledback()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
{
testData.Batch(actions =>
actions.CreateOrderForCustomer(actions.CreateCustomer()));
int orderId;
DateTime? oldDate;
using (var txScope = new TransactionScope(TransactionScopeOption.Required))
using (var uowScope = new UnitOfWorkScope(IsolationLevel.Serializable))
{
var ordersRepository = new LinqToSqlRepository<Order>();
var order = (from o in ordersRepository
select o).First();
oldDate = order.OrderDate;
order.OrderDate = DateTime.Now;
orderId = order.OrderID;
uowScope.Commit();
}
using (var uowScope = new UnitOfWorkScope())
{
var ordersRepository = new LinqToSqlRepository<Order>();
var order = (from o in ordersRepository
where o.OrderID == orderId
select o).First();
Assert.That(order.OrderDate, Is.EqualTo(oldDate));
}
}
}
public void When_Calling_CalculateTotal_On_Order_Returns_Valid_When_Under_UnitOfWork()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions =>
actions.CreateOrderForProducts(actions.CreateProducts(5)));
var oredersRepository = new LinqToSqlRepository<Order>();
var order = (from o in oredersRepository
select o).FirstOrDefault();
Assert.That(order.CalculateTotal(), Is.GreaterThan(0));
}
}
public void Repository_For_Uses_Registered_Fetching_Strategies()
{
IEnumerable<Order> orders;
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions =>
actions.CreateOrderForProducts(actions.CreateProducts(5)));
var strategies = new IFetchingStrategy<Order, LinqToSqlRepositoryTests>[]
{
new OrderOrderItemsStrategy(),
new OrderItemsProductStrategy()
};
IRepository<Order> ordersRepository = null;
ServiceLocator.Current.Expect(
x => x.GetAllInstances<IFetchingStrategy<Order, LinqToSqlRepositoryTests>>())
.Return(strategies);
ordersRepository = new LinqToSqlRepository<Order>().For<LinqToSqlRepositoryTests>();
orders = (from o in ordersRepository select o).ToList();
}
orders.ForEach(x => Assert.That(x.CalculateTotal(), Is.GreaterThan(0)));
}
public void Save_Updates_Existing_Order_Record()
{
int orderIDRetrieved;
var updatedDate = DateTime.Now;
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
{
testData.Batch(actions =>
actions.CreateOrderForCustomer(actions.CreateCustomer()));
using (var scope = new UnitOfWorkScope())
{
var order = new LinqToSqlRepository<Order>().FirstOrDefault();
Assert.That(order, Is.Not.Null);
orderIDRetrieved = order.OrderID;
order.OrderDate = updatedDate;
scope.Commit();
}
using (new UnitOfWorkScope())
{
var orderRepository = new LinqToSqlRepository<Order>();
var order = (from o in orderRepository
where o.OrderID == orderIDRetrieved
select o).FirstOrDefault();
Assert.That(order, Is.Not.Null);
Assert.That(order.OrderDate.Value.Date, Is.EqualTo(updatedDate.Date));
Assert.That(order.OrderDate.Value.Hour, Is.EqualTo(updatedDate.Hour));
Assert.That(order.OrderDate.Value.Minute, Is.EqualTo(updatedDate.Minute));
Assert.That(order.OrderDate.Value.Second, Is.EqualTo(updatedDate.Second));
}
}
}
public void Query_Using_QueryMethod_Returns_Matched_Records_Only()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions => actions.CreateOrderForCustomer(actions.CreateCustomerInState("PA")));
var customersInPA = new Specification<Order>(x => x.Customer.State == "PA");
var ordersRepository = new LinqToSqlRepository<Order>();
var results = from order in ordersRepository.Query(customersInPA) select order;
Assert.That(results.Count() > 0);
}
}
public void Query_Throws_Exception_When_LazyLoading_After_UnitOfWork_Is_Finished()
{
Customer customer;
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions => actions.CreateCustomer());
var customerRepository = new LinqToSqlRepository<Customer>();
customer = (from cust in customerRepository select cust).FirstOrDefault();
}
Assert.That(customer, Is.Not.Null);
Assert.Throws<ObjectDisposedException>(() => customer.Orders.Count());
}
public void Query_Allows_Projection_Using_Select_Projection()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions => actions.CreateOrderForCustomer(actions.CreateCustomer()));
var ordersRepository = new LinqToSqlRepository<Order>();
var results = from order in ordersRepository
select new
{
order.Customer.FirstName,
order.Customer.LastName,
order.ShipDate,
order.OrderDate
};
Assert.DoesNotThrow(() => results.ForEach(x =>
{
Assert.That(!string.IsNullOrEmpty(x.LastName));
Assert.That(!string.IsNullOrEmpty(x.FirstName));
}));
}
}
public void Query_Allows_Lazy_Load_While_UnitOfWork_Still_Running()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions => actions.CreateOrderForCustomer(actions.CreateCustomer()));
var ordersRepository = new LinqToSqlRepository<Order>();
var results = from order in ordersRepository
select order;
Assert.DoesNotThrow(() => results.ForEach(
x => Assert.That(!string.IsNullOrEmpty(x.Customer.FirstName))));
}
}
public void Query_Allows_Eger_Loading_Using_With()
{
using (var testData = new LinqToSqlDataGenerator(new TestDataDataContext()))
using (new UnitOfWorkScope())
{
testData.Batch(actions => actions.CreateCustomer());
var ordersRepository = new LinqToSqlRepository<Order>();
var results = from order in ordersRepository.With(x => x.Customer)
select order;
Assert.DoesNotThrow(() => results.ForEach(x =>
{
Assert.That(x.Customer, Is.TypeOf(typeof (Customer)));
Assert.That(!string.IsNullOrEmpty(x.Customer.FirstName));
}));
}
}