def test_make_king(self):
piece_a = Piece(c.PLAYER1, 7, 1)
piece_a.make_king()
piece_b = Piece(c.PLAYER2, 7, 4)
self.assertTrue(piece_a.king)
self.assertEqual(piece_a.direction, (
[1, 1], [1, -1], [-1, 1], [-1, -1]))
self.assertFalse(piece_b.king)
self.assertEqual(piece_b.direction, ([-1, 1], [-1, -1]))
