public void service_undoes_are_in_the_correct_order()
{
var p1 = new Person(null, false);
var p2 = new Person(null, false);
var p3 = new Person(null, false);
ChangeTrackingService svc = new ChangeTrackingService();
PersonCollection list = new PersonCollection(svc);
list.Add(p1);
list.Add(p2);
list.Add(p3);
list.Move(p2, 0);
list.Remove(p1);
svc.Undo();
Assert.AreEqual <int>(3, list.Count);
Assert.IsTrue(list.Contains(p1));
svc.Undo();
Assert.AreEqual <int>(1, list.IndexOf(p2));
svc.Undo();
Assert.AreEqual <int>(2, list.Count);
Assert.IsFalse(list.Contains(p3));
svc.Undo();
Assert.AreEqual <int>(1, list.Count);
Assert.IsFalse(list.Contains(p2));
svc.Undo();
Assert.AreEqual <int>(0, list.Count);
Assert.IsFalse(list.Contains(p1));
}
public void service_on_clear_undo_entities_are_restored()
{
var source = new Person[]
{
new Person(null, false),
new Person(null, false),
new Person(null, false),
new Person(null, false),
new Person(null, false)
};
ChangeTrackingService svc = new ChangeTrackingService();
PersonCollection list = new PersonCollection(svc);
list.BeginInit();
list.AddRange(source);
list.EndInit();
list.Clear();
svc.Undo();
Assert.AreEqual <int>(source.Length, list.Count());
source.ForEach(p =>
{
int expected = Array.IndexOf(source, p);
int actual = list.IndexOf(p);
Assert.AreEqual <int>(expected, actual);
});
}
public void afterUndo_service_canRedo()
{
IChangeTrackingService svc = new ChangeTrackingService();
PersonCollection p = new PersonCollection(svc);
p.Add(new Person(null, false));
svc.Undo();
Assert.IsTrue(svc.CanRedo);
}
public void changeTrackingService_using_beginAtomicOperation_undo_redo_should_restore_in_one_pass()
{
var target = new ChangeTrackingService();
var person = new Person(target);
var list = new PersonCollection(target);
using (var actual = target.BeginAtomicOperation())
{
person.Name = "Mauro";
list.Add(person);
person.Name = "Mauro Servienti";
actual.Complete();
}
target.Undo();
target.Redo();
target.Undo();
list.Count.Should().Be.EqualTo(0);
person.Name.Should().Be.EqualTo(string.Empty);
}
public void after_Undo_collection_is_rolledback()
{
int expected = 0;
IChangeTrackingService svc = new ChangeTrackingService();
PersonCollection p = new PersonCollection(svc);
p.Add(new Person(svc, false));
svc.Undo();
p.Count.Should().Be.EqualTo(expected);
}
public void afterUndo_service_Redo_restore_previous_value()
{
ChangeTrackingService svc = new ChangeTrackingService();
int expected = 1;
PersonCollection p = new PersonCollection(svc);
p.Add(new Person(null, false));
svc.Undo();
svc.Redo();
Assert.AreEqual <int>(expected, p.Count);
}
public void mementoEntity_using_trackingService_should_undo_a_single_change()
{
var memento = new ChangeTrackingService();
var target = new MementoMockEntity();
((IMemento)target).Memento = memento;
target.FirstName = "Mauro";
memento.Undo();
target.FirstName.Should().Be.Null();
}
public void mementoEntity_using_trackingService_should_undo_and_redo_a_single_change()
{
var expected = "Mauro";
var memento = new ChangeTrackingService();
var target = new MementoMockEntity();
((IMemento)target).Memento = memento;
target.FirstName = expected;
memento.Undo();
memento.Redo();
target.FirstName.Should().Be.EqualTo(expected);
}