public void NoEndlessLoop()
{
var john = new User("John", null);
john.Knows(john);
var validator = new ValidatorEngine();
InvalidValue[] constraintViolations = validator.Validate(john);
Assert.AreEqual(constraintViolations.Length, 1, "Wrong number of constraints");
Assert.AreEqual("LastName", constraintViolations.ElementAt(0).PropertyName);
var jane = new User("Jane", "Doe");
jane.Knows(john);
john.Knows(jane);
constraintViolations = validator.Validate(john);
Assert.AreEqual(constraintViolations.Length, 1, "Wrong number of constraints");
Assert.AreEqual("LastName", constraintViolations.ElementAt(0).PropertyName);
constraintViolations = validator.Validate(jane);
Assert.AreEqual(1, constraintViolations.Length, "Wrong number of constraints");
Assert.AreEqual(constraintViolations.ElementAt(0).PropertyPath, "knowsUser[0].LastName");
john.LastName = "Doe";
constraintViolations = validator.Validate(john);
Assert.AreEqual(0, constraintViolations.Length, "Wrong number of constraints");
}
public void GraphNavigationDeterminism()
{
// build the test object graph
var user = new User("John", "Doe");
var address1 = new Address(null, "11122", "Stockholm");
address1.SetInhabitant(user);
var address2 = new Address("Kungsgatan 5", "11122", "Stockholm");
address2.SetInhabitant(user);
user.AddAddress(address1);
user.AddAddress(address2);
var order = new Order(1);
order.ShippingAddress = address1;
order.BillingAddress = address2;
order.Customer = user;
var line1 = new OrderLine(order, 42);
var line2 = new OrderLine(order, 101);
order.AddOrderLine(line1);
order.AddOrderLine(line2);
var vtor = new ValidatorEngine();
InvalidValue[] constraintViolations = vtor.Validate(order);
Assert.AreEqual(3, constraintViolations.Length, "Wrong number of constraints");
var expectedErrorMessages = new List<string>();
expectedErrorMessages.Add("shippingAddress.addressline1");
expectedErrorMessages.Add("customer.addresses[0].addressline1");
expectedErrorMessages.Add("billingAddress.inhabitant.addresses[0].addressline1");
foreach (InvalidValue violation in constraintViolations)
{
if (expectedErrorMessages.Contains(violation.PropertyPath))
{
expectedErrorMessages.Remove(violation.PropertyPath);
}
}
Assert.IsTrue(expectedErrorMessages.Count == 0, "All error messages should have occured once");
}
public void SetInhabitant(User inhabitant)
{
this.inhabitant = inhabitant;
}
public void Knows(User user)
{
knowsUser.Add(user);
}