public void Test_ChangeParentSelectedIndex_WithNonEmpty_ShouldLoadChildren()
{
//---------------Set up test pack-------------------
var contactPersonNoAddress = CreateFakeContactPersonWithNoFakeAddress();
CreateFakeAddressWithFakeContactPerson();
IBOComboBoxSelector parentSelector = CreateComboBoxControl();
IBOComboBoxSelector childSelector = CreateComboBoxControl();
const string relationshipName = "Addresses";
new BOColSelectorLinker <FakeContactPerson, FakeAddress>(parentSelector, childSelector, relationshipName);
parentSelector.BusinessObjectCollection = GetFakeContactPeople();
parentSelector.SelectedBusinessObject = contactPersonNoAddress;
//---------------Assert Precondition----------------
Assert.AreEqual(3, parentSelector.NoOfItems, "Two departments and Blank Field");
Assert.AreSame(contactPersonNoAddress, parentSelector.SelectedBusinessObject);
Assert.AreEqual(1, childSelector.NoOfItems, "The Blank Item");
//---------------Execute Test ----------------------
parentSelector.SelectedIndex = 1;
//---------------Test Result -----------------------
Assert.IsNotNull(parentSelector.SelectedBusinessObject);
FakeContactPerson contactPerson = parentSelector.SelectedBusinessObject as FakeContactPerson;
Assert.AreEqual(contactPerson.Addresses.Count + 1, childSelector.NoOfItems);
}
protected static FakeContactPerson CreateFakeContactPersonWithManyAddresses()
{
var savedContactPerson = FakeContactPerson.CreateSavedContactPerson();
FakeAddress.CreateSavedAddress(savedContactPerson);
FakeAddress.CreateSavedAddress(savedContactPerson);
FakeAddress.CreateSavedAddress(savedContactPerson);
return(savedContactPerson);
}
public static FakeAddress CreateSavedAddress(FakeContactPerson contactPerson)
{
var fakeAddress = new FakeAddress {
ContactPerson = contactPerson
};
fakeAddress.Save();
return(fakeAddress);
}
protected static FakeContactPerson CreateFakeContactPersonWithNoFakeAddress()
{
return(FakeContactPerson.CreateSavedContactPerson());
}
protected static FakeAddress CreateFakeAddressWithFakeContactPerson()
{
return(FakeAddress.CreateSavedAddress(FakeContactPerson.CreateSavedContactPerson()));
}
public static FakeAddress CreateSavedAddress(FakeContactPerson contactPerson)
{
var fakeAddress = new FakeAddress {ContactPerson = contactPerson};
fakeAddress.Save();
return fakeAddress;
}