public void Delete_Deletes_Record()
{
//Adding a dummy record.
var newAddress = new Address
{
StreetAddress1 = "This record was inserted for deletion",
City = "Fictional city",
State = "LA",
ZipCode = "12345"
};
var newCustomer = new Customer
{
FirstName = ("John_DELETE_ME_" + DateTime.Now),
LastName = ("Doe_DELETE_ME_" + DateTime.Now),
Address = newAddress
};
//Re-usable query to query for the matching record.
var queryForCustomer = new Func<Db4oRepository<Customer>, Customer>
(x => (from cust in x
where cust.FirstName == newCustomer.FirstName && cust.LastName == newCustomer.LastName
select cust).FirstOrDefault()
);
using (var scope = new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = queryForCustomer(customerRepository);
Assert.That(recordCheckResult, Is.Null);
customerRepository.Add(newCustomer);
scope.Commit();
}
//Retrieve the record for deletion.
using (var scope = new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var customerToDelete = queryForCustomer(customerRepository);
Assert.That(customerToDelete, Is.Not.Null);
customerRepository.Delete(customerToDelete);
scope.Commit();
}
//Ensure customer record is deleted.
using (new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = queryForCustomer(customerRepository);
Assert.That(recordCheckResult, Is.Null);
}
}
public void Save_New_Customer_Saves_Customer_When_UnitOfWork_Is_Committed()
{
var newAddress = new Address
{
StreetAddress1 = "This record was inserted via a test",
City = "Fictional city",
State = "LA",
ZipCode = "12345"
};
var newCustomer = new Customer
{
FirstName = ("John_" + DateTime.Now),
LastName = ("Doe_" + DateTime.Now),
Address = newAddress
};
var queryForCustomer = new Func<Db4oRepository<Customer>, Customer>
(
x => (from cust in x
where cust.FirstName == newCustomer.FirstName && cust.LastName == newCustomer.LastName
select cust).FirstOrDefault()
);
using (var scope = new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = queryForCustomer(customerRepository);
Assert.That(recordCheckResult, Is.Null);
customerRepository.Add(newCustomer);
scope.Commit();
}
//Starting a completely new unit of work and repository to check for existance.
using (var scope = new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = queryForCustomer(customerRepository);
Assert.That(recordCheckResult, Is.Not.Null);
Assert.That(recordCheckResult.FirstName, Is.EqualTo(newCustomer.FirstName));
Assert.That(recordCheckResult.LastName, Is.EqualTo(newCustomer.LastName));
scope.Commit();
}
}
public void Save_Does_Not_Save_New_Customer_When_UnitOfWork_Is_Aborted()
{
var rnd = new Random();
var newAddress = new Address
{
StreetAddress1 = "This record was inserted via a test",
City = "Fictional city",
State = "LA",
ZipCode = "12345"
};
var newCustomer = new Customer
{
FirstName = ("John_" + rnd.Next(60000, 80000)),
LastName = ("Doe_" + rnd.Next(60000, 80000)),
Address = newAddress
};
using (new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = (from cust in customerRepository
where cust.FirstName == newCustomer.FirstName &&
cust.LastName == newCustomer.LastName
select cust).FirstOrDefault();
Assert.That(recordCheckResult, Is.Null);
customerRepository.Add(newCustomer);
//DO NOT CALL COMMIT TO SIMMULATE A ROLLBACK.
}
//Starting a completely new unit of work and repository to check for existance.
using (var scope = new UnitOfWorkScope())
{
var customerRepository = new Db4oRepository<Customer>();
var recordCheckResult = (from cust in customerRepository
where cust.FirstName == newCustomer.FirstName &&
cust.LastName == newCustomer.LastName
select cust).FirstOrDefault();
Assert.That(recordCheckResult, Is.Null);
scope.Commit();
}
}