public void AddFighter(string name)
{
using (BeginTransaction())
{
var newFighter = new FighterContext(World) { Name = name };
World.Fighters.Add(newFighter);
SelectedFighter = newFighter;
}
}
public void RemoveFighter()
{
// Arrange: create a main context.
var main = new MainContext(null);
// Assert: we should not be able to remove a fighter.
Assert.IsFalse(main.RemoveFighterCommand.CanExecute(null));
// Arrange: add a 3 of fighters, select the second
var fighter1 = new FighterContext(main.World);
var fighter2 = new FighterContext(main.World);
var fighter3 = new FighterContext(main.World);
main.World.Fighters.Add(fighter1);
main.World.Fighters.Add(fighter2);
main.World.Fighters.Add(fighter3);
// Assert: we should not yet be able to remove a fighter.
Assert.IsFalse(main.RemoveFighterCommand.CanExecute(null));
// Select the second fighter.
main.SelectedFighter = fighter2;
// Assert: we should now be able to remove the fighter.
Assert.IsTrue(main.RemoveFighterCommand.CanExecute(null));
// Act: remove fighter2
main.RemoveFighterCommand.Execute(null);
// Assert: fighter2 should be removed.
Assert.IsTrue(main.World.Fighters.SequenceEqual(new[] {fighter1, fighter3}));
// Assert: fighter3 should now be selected.
Assert.AreEqual(main.SelectedFighter, fighter3);
// Assert: we should now be able to remove fighter3.
Assert.IsTrue(main.RemoveFighterCommand.CanExecute(null));
// Act: remove fighter3
main.RemoveFighterCommand.Execute(null);
// Assert: fighter3 should be removed.
Assert.IsTrue(main.World.Fighters.SequenceEqual(new[] { fighter1 }));
// Assert: fighter1 should now be selected.
Assert.AreEqual(main.SelectedFighter, fighter1);
// Assert: we should now be able to remove fighter1.
Assert.IsTrue(main.RemoveFighterCommand.CanExecute(null));
// Act: remove fighter1
main.RemoveFighterCommand.Execute(null);
// Assert: nothing should be selected.
Assert.IsNull(main.SelectedFighter);
// Assert: world should be empty now.
Assert.AreEqual(main.World.Fighters.Count, 0);
}
