public void WhenDisposing_UnsubscribesToExpectedMessages()
{
GamePlayerPM systemUnderTest = new GamePlayerPM(Substitute.For <IGamePlayer>());
systemUnderTest.Dispose();
MyMessenger.Instance.Received().RemoveListener(GameMessages.UPDATE_PLAYER_HP, Arg.Any <Callback>());
}
public void HpProperty_MatchesGamePlayerHP()
{
IGamePlayer mockPlayer = Substitute.For <IGamePlayer>();
mockPlayer.HP.Returns(100);
GamePlayerPM systemUnderTest = new GamePlayerPM(mockPlayer);
Assert.AreEqual(100, systemUnderTest.ViewModel.GetPropertyValue <int>(GamePlayerPM.HP_PROPERTY));
}