@Test
public void testSmartTroll() throws Exception {
// Create a normal troll first, but make sure we can spy on it later on.
final Hostile simpleTroll = spy(new Troll());
// Now we want to decorate the troll to make it smarter ...
final Hostile smartTroll = new SmartTroll(simpleTroll);
assertEquals(30, smartTroll.getAttackPower());
verify(simpleTroll, times(1)).getAttackPower();
// Check if the smart troll actions are delegated to the decorated troll
smartTroll.attack();
verify(simpleTroll, times(1)).attack();
smartTroll.fleeBattle();
verify(simpleTroll, times(1)).fleeBattle();
verifyNoMoreInteractions(simpleTroll);
}
@Override
public void fleeBattle() {
System.out.println("The troll calls for help!");
decorated.fleeBattle();
}
@Override
public void attack() {
System.out.println("The troll throws a rock at you!");
decorated.attack();
}
