public void Test_SelectedBusinessObject_BlankItemSelected_ReturnsNull()
{
//---------------Set up test pack-------------------
IBOComboBoxSelector selector = (IBOComboBoxSelector)CreateSelector();
Car car = new Car();
BusinessObjectCollection<Car> collection = new BusinessObjectCollection<Car> { car };
selector.BusinessObjectCollection = collection;
SetSelectedIndex(selector, -1);
//---------------Assert Precondition----------------
Assert.AreEqual(2, selector.NoOfItems, "The blank item and one other");
Assert.AreEqual(-1, SelectedIndex(selector));
Assert.AreEqual(null, selector.SelectedValue);
//---------------Execute Test ----------------------
SetSelectedIndex(selector, 0);
//---------------Test Result -----------------------
Assert.AreEqual(0, SelectedIndex(selector));
Assert.AreEqual("", selector.SelectedValue);
Assert.IsNull(selector.SelectedBusinessObject);
}
public void Test_SetBusinessObject_WhenHasNullCollection_ShouldRaiseError()
{
//---------------Set up test pack-------------------
IComboBox cmbox = GetControlFactory().CreateComboBox();
const string propName = "SampleLookupID";
CollectionComboBoxMapper mapper = CreateCollectionComboBoxMapper(cmbox, propName);
mapper.BusinessObjectCollection = null;
Car car1 = new Car();
Sample s = new Sample {SampleLookupID = car1.CarID};
//---------------Assert Precondition----------------
Assert.IsNull(cmbox.SelectedItem);
Assert.IsNull(mapper.BusinessObjectCollection);
//---------------Execute Test ----------------------
try
{
mapper.BusinessObject = s;
Assert.Fail("expected developer exception");
}
//---------------Test Result -----------------------
catch (HabaneroDeveloperException ex)
{
StringAssert.Contains(
"The BusinessObjectCollection is null in the CollectionComboBoxMapper when the BusinessObject is set ",
ex.Message);
StringAssert.Contains(
"The BusinessObjectCollection is null in the CollectionComboBoxMapper when the BusinessObject is set ",
ex.DeveloperMessage);
}
}
protected static BusinessObjectCollection<Car> GetCollectionWithTwoCars(out Car car1, out Car car2)
{
car1 = new Car();
car2 = new Car();
return new BusinessObjectCollection<Car> {car1, car2};
}
Test_BusinessObjectCollection_WhenSet_WithNewCollection_WhenItemAlreadySelected_AndDifferentMatchInNewList_ShouldSelectNewMatch
()
{
//---------------Set up test pack-------------------
IComboBox cmbox = GetControlFactory().CreateComboBox();
const string propName = "SampleText";
var mapper = CreateCollectionComboBoxMapper(cmbox, propName);
mapper.OwningBoPropertyName = "CarRegNo";
Car car1;
Car car2;
mapper.BusinessObjectCollection = GetCollectionWithTwoCars(out car1, out car2);
string carRegNo = "MySelectedRegNo " + TestUtil.GetRandomString().Substring(0, 4);
car1.CarRegNo = carRegNo;
car2.CarRegNo = TestUtil.GetRandomString();
Sample sample = new Sample {SampleText = carRegNo};
BusinessObjectCollection<Car> newCol = new BusinessObjectCollection<Car>();
Car car3 = new Car {CarRegNo = carRegNo};
newCol.Add(car2, car3);
mapper.BusinessObject = sample;
//---------------Assert Precondition----------------
Assert.AreEqual(2, mapper.BusinessObjectCollection.Count);
Assert.AreEqual(3, cmbox.Items.Count);
Assert.AreEqual(car1, cmbox.SelectedItem, "Combo Box selected item should be set.");
Assert.AreEqual("CarRegNo", mapper.OwningBoPropertyName);
//---------------Execute Test ----------------------
mapper.BusinessObjectCollection = newCol;
//---------------Test Result -----------------------
Assert.IsNotNull(cmbox.SelectedItem);
Assert.AreEqual(car3, cmbox.SelectedItem, "Combo Box selected item should now be the new match.");
Assert.AreSame(carRegNo, sample.SampleText);
}
private static Car CreateUnsavedCar(string regno, ContactPerson owner)
{
Car car = new Car();
if (owner != null) car.OwnerID = owner.ContactPersonID;
car.CarRegNo = regno;
return car;
}
public static Engine CreateSavedEngine(Car car, string engineNo)
{
Engine engine = new Engine();
engine.CarID = car.CarID;
engine.EngineNo = engineNo;
engine.Save();
return engine;
}
public void Test_SelectedBusinessObject_SetToNull_ShouldHaveNothingSelectedInCombo()
{
//---------------Set up test pack-------------------
IBOComboBoxSelector selector = (IBOComboBoxSelector)CreateSelector();
Car car = new Car();
BusinessObjectCollection<Car> collection = new BusinessObjectCollection<Car> { car };
selector.BusinessObjectCollection = collection;
selector.SelectedBusinessObject = car;
//---------------Assert Precondition----------------
Assert.AreSame(car, selector.SelectedBusinessObject);
//---------------Execute Test ----------------------
selector.SelectedBusinessObject = null;
//---------------Test Result -----------------------
AssertIsNullSelection(selector);
}
public void Test_PreserveSelectedItem_AsFalse_WhenSetBusinessObjectCollection_AndSelectedItemInNewCol_ShouldNotPreserveSelection()
{
//---------------Set up test pack-------------------
IBOComboBoxSelector selector = (IBOComboBoxSelector)CreateSelector();
selector.AutoSelectFirstItem = false;
selector.PreserveSelectedItem = false;
Car car = new Car();
Car car2 = new Car();
Car car3 = new Car();
Car car4 = new Car();
BusinessObjectCollection<Car> collection = new BusinessObjectCollection<Car> { car, car2, car3 };
selector.BusinessObjectCollection = collection;
selector.SelectedBusinessObject = car2;
BusinessObjectCollection<Car> newCollection = new BusinessObjectCollection<Car> { car, car4, car2, car3 };
//---------------Assert Precondition----------------
Assert.AreSame(car2, selector.SelectedBusinessObject);
//---------------Execute Test ----------------------
selector.BusinessObjectCollection = newCollection;
//---------------Test Result -----------------------
AssertIsNullSelection(selector);
}
