def test_RotateRoles_1(self):
     e = UDPGameEngine()
     s = GameState()
     s.player_size = 1
     s.roles = [GameState.ROLE_LEFT_PADDLE]
     s.players = [-1, 0]
     e.RotateRoles(s)
     self.assertTrue(s.roles == [GameState.ROLE_LEFT_PADDLE])
     self.assertTrue(s.players == [-1, 0])
 def test_RotateRoles_2(self):
     e = UDPGameEngine()
     s = GameState()
     s.player_size = 2
     s.roles = [GameState.ROLE_LEFT_PADDLE, GameState.ROLE_RIGHT_PADDLE]
     s.players = [-1]*(s.player_size + 1)
     s.players[GameState.ROLE_LEFT_PADDLE] = 0
     s.players[GameState.ROLE_RIGHT_PADDLE] = 1
     e.RotateRoles(s)
     self.assertTrue(s.roles == [GameState.ROLE_RIGHT_PADDLE, 
         GameState.ROLE_LEFT_PADDLE])
     self.assertTrue(s.players == [-1, 1, 0])
 def test_RotateRoles_3(self):
     e = UDPGameEngine()
     s = GameState()
     s.roles = [GameState.ROLE_RIGHT_PADDLE, GameState.ROLE_LEFT_PADDLE,
             GameState.ROLE_BALL]
     s.player_size = len(s.roles)
     s.players = [-1]*(len(s.roles)+ 1)
     s.players[GameState.ROLE_LEFT_PADDLE] = 1
     s.players[GameState.ROLE_RIGHT_PADDLE] = 0
     s.players[GameState.ROLE_BALL] = 2
     e.RotateRoles(s)
     self.assertTrue(s.roles == [GameState.ROLE_LEFT_PADDLE,
         GameState.ROLE_BALL, GameState.ROLE_RIGHT_PADDLE])
     players = [-1]*(len(s.roles)+1)
     players[GameState.ROLE_LEFT_PADDLE] = 0
     players[GameState.ROLE_RIGHT_PADDLE] = 2
     players[GameState.ROLE_BALL] = 1
     self.assertTrue(s.players == players)