async def make_move(self, game: Game, move: str) -> Game:
"""
Makes a move in given game, if valid
:param game: Game to be played
:type game: Game
:param move: Chess move in SAN or UCI notation
:type move: str
:return: Updated game
:rtype: Game
"""
chess_move = self._parse_str_move(game, move)
if not chess_move:
raise InvalidMove()
game.board.push(chess_move)
game.current_player = game.player1 if game.current_player == game.player2 else game.player2
if self.is_pve_game(game) and not self.is_game_over(game):
stockfish_result = await self._play_move(game)
game.board.push(stockfish_result.move)
game.current_player = game.player1
if self.is_game_over(game):
game.result = game.board.result(claim_draw=True)
self.games.remove(game)
await game.save()
return game
def test_make_move_legal_move_pve(self):
board = chess.Board(
'rn2kb1r/pp1qpppp/2ppbn2/1B6/3PP3/2N2N2/PPP2PPP/R1BQK2R w KQkq - 0 6'
)
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
game.cpu_level = 0
chess_bot = Chess()
chess_bot.games.append(game)
chess_bot.stockfish_limit['time'] = 1
result = asyncio.run(chess_bot.make_move(game, 'b5d3'))
self.assertIsInstance(result, Game)
if chess_bot.is_stockfish_enabled():
self.assertEqual(len(result.board.move_stack), 2)
self.assertEqual(result.current_player, game.player1)
updated_chess_game = self.db_session.query(ChessGame).filter_by(
player1_id=result.player1.id).first()
updated_game_from_db = Game.from_chess_game_model(updated_chess_game)
self.assertEqual(updated_game_from_db.board.move_stack,
result.board.move_stack)
def test_make_move_draw_by_threefold_repetition(self):
board = chess.Board()
board.push_san("Nf3")
board.push_san("Nf6")
board.push_san("Ng1")
board.push_san("Ng8")
board.push_san("Nf3")
board.push_san("Nf6")
board.push_san("Ng1")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player2
chess_bot = Chess()
chess_bot.games.append(game)
self.assertFalse(chess_bot.is_game_over(game))
result = asyncio.run(chess_bot.make_move(game, 'Ng8'))
self.assertIsInstance(result, Game)
self.assertEqual(len(chess_bot.games), 0)
self.assertEqual(
self.db_session.query(ChessGame).filter_by(result=0).count(), 1)
self.assertTrue(chess_bot.is_game_over(result))
self.assertEqual(result.result, '1/2-1/2')
def test_find_current_game_other_player_not_found(self):
chess_bot = Chess()
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game1 = Game()
game1.board = board
game1.player1 = FakeDiscordUser(id=1)
game1.player2 = FakeDiscordUser(id=2)
game1.current_player = game1.player1
chess_bot.games.append(game1)
game2 = Game()
game2.board = board
game2.player1 = FakeDiscordUser(id=1)
game2.player2 = FakeDiscordUser(id=3)
game2.current_player = game2.player1
chess_bot.games.append(game2)
with self.assertRaises(Exception) as e:
chess_bot.find_current_game(user=FakeDiscordUser(id=14))
self.assertIn("Partida não encontrada", str(e))
def test_find_current_game_player_playing_themselves_and_others(self):
chess_bot = Chess()
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game1 = Game()
game1.board = board
game1.player1 = FakeDiscordUser(id=1)
game1.player2 = FakeDiscordUser(id=2)
game1.current_player = game1.player1
chess_bot.games.append(game1)
game2 = Game()
game2.board = board
game2.player1 = FakeDiscordUser(id=1)
game2.player2 = FakeDiscordUser(id=1)
game2.current_player = game2.player1
chess_bot.games.append(game2)
result = chess_bot.find_current_game(user=game2.player1,
other_user=game2.player2)
self.assertEqual(result, game2)
def test_find_current_game_in_players_turn_amibiguity_solved(self):
chess_bot = Chess()
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game1 = Game()
game1.board = board
game1.player1 = FakeDiscordUser(id=1)
game1.player2 = FakeDiscordUser(id=2)
game1.current_player = game1.player1
chess_bot.games.append(game1)
game2 = Game()
game2.board = board
game2.player1 = FakeDiscordUser(id=1)
game2.player2 = FakeDiscordUser(id=3)
game2.current_player = game2.player1
chess_bot.games.append(game2)
result = chess_bot.find_current_game(user=game1.player1,
other_user=game1.player2)
self.assertEqual(result, game1)
def test_find_current_game_in_players_turn_with_amibiguity(self):
chess_bot = Chess()
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game1 = Game()
game1.board = board
game1.player1 = FakeDiscordUser(id=1)
game1.player2 = FakeDiscordUser(id=2)
game1.current_player = game1.player1
chess_bot.games.append(game1)
game2 = Game()
game2.board = board
game2.player1 = FakeDiscordUser(id=1)
game2.player2 = FakeDiscordUser(id=3)
game2.current_player = game2.player1
chess_bot.games.append(game2)
with self.assertRaises(Exception) as e:
chess_bot.find_current_game(user=game1.player1)
self.assertIn("Informe contra qual jogador", str(e))
def test_find_current_game_in_players_turn_no_ambiguity(self):
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
chess_bot = Chess()
chess_bot.games.append(game)
result = chess_bot.find_current_game(user=game.player1)
self.assertEqual(result, game)
def test_resign_game_found(self):
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
board.push_san("Nf3")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.resign(game))
self.assertEqual(len(chess_bot.games), 0)
self.assertEqual(
self.db_session.query(ChessGame).filter_by(result=1).count(), 1)
def test_make_move_illegal_move_in_players_turn(self):
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
chess_bot = Chess()
chess_bot.games.append(game)
with self.assertRaises(InvalidMove) as e:
asyncio.run(chess_bot.make_move(game, 'invalid'))
self.assertEqual(len(game.board.move_stack), 2)
self.assertEqual(game.current_player, game.player1)
def test_eval_last_move_no_blunder_no_mate(self):
board = chess.Board()
board.push_san("g4")
board.push_san("e5")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
game.last_eval = Cp(0)
chess_bot = Chess()
chess_bot.games.append(game)
chess_bot.stockfish_limit["time"] = 2
result = asyncio.run(chess_bot.eval_last_move(game))
self.assertFalse(result["blunder"])
self.assertIsNone(result["mate_in"])
def test_generate_pgn(self):
board = chess.Board()
board.push_san("g4")
board.push_san("e5")
board.push_san("f4")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1, name='Player1')
game.player2 = FakeDiscordUser(id=2, name='Player2')
game.current_player = game.player1
game.result = game.board.result()
chess_bot = Chess()
chess_bot.games.append(game)
result = chess_bot.generate_pgn(game)
self.assertIn('[White "Player1"]', result)
self.assertIn('[Black "Player2"]', result)
self.assertIn('1. g4 e5 2. f4 *', result)
def test_eval_last_move_no_blunder_mate_in_two(self):
board = chess.Board(
"Q2r4/1p1k4/1P3ppp/1Kp1r3/4p2b/1B3P2/2P2q2/8 w - - 6 44")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
game.last_eval = Mate(2)
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.eval_last_move(game))
self.assertFalse(result["blunder"])
if chess_bot.is_stockfish_enabled():
self.assertEqual(result["mate_in"], 2)
else:
self.assertIsNone(result["mate_in"])
def new_game(self, user1, user2, color_schema=None, cpu_level=None):
player1, player2 = convert_users_to_players(user1, user2)
current_players_pairs = map(lambda x: [x.player1, x.player2],
self.games)
given_players_pairs = [player1, player2]
if given_players_pairs in current_players_pairs:
raise GameAlreadyInProgress()
game = Game()
game.board = chess.Board()
game.player1 = player1
game.player2 = player2
game.current_player = player1
game.result = game.board.result()
game.color_schema = color_schema
game.cpu_level = cpu_level
self.games.append(game)
return game
def test_eval_last_move_lost_position_blunders_mate(self):
board = chess.Board(
"Q1kr4/1p6/1P3ppp/1Kp1r3/4p2b/1B3P2/2P2q2/8 b - - 5 43")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
game.last_eval = Cp(1000)
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.eval_last_move(game))
if chess_bot.is_stockfish_enabled():
self.assertTrue(result["blunder"])
self.assertEqual(result["mate_in"], -2)
else:
self.assertFalse(result["blunder"])
self.assertIsNone(result["mate_in"])
def test_make_move_finish_game(self):
board = chess.Board()
board.push_san("g4")
board.push_san("e5")
board.push_san("f4")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.make_move(game, 'd8h4'))
self.assertIsInstance(result, Game)
self.assertEqual(len(chess_bot.games), 0)
self.assertEqual(
self.db_session.query(ChessGame).filter_by(result=-1).count(), 1)
self.assertTrue(chess_bot.is_game_over(result))
self.assertEqual(result.result, '0-1')
def test_eval_last_move_last_move_blunder_mate_in_one(self):
board = chess.Board()
board.push_san("g4")
board.push_san("e5")
board.push_san("f4")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
game.last_eval = Cp(0)
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.eval_last_move(game))
if chess_bot.is_stockfish_enabled():
self.assertTrue(result["blunder"])
self.assertEqual(result["mate_in"], 1)
else:
self.assertFalse(result["blunder"])
self.assertIsNone(result["mate_in"])
def test_make_move_legal_san_move_in_players_turn(self):
board = chess.Board()
board.push_san("e4")
board.push_san("e5")
game = Game()
game.board = board
game.player1 = FakeDiscordUser(id=1)
game.player2 = FakeDiscordUser(id=2)
game.current_player = game.player1
chess_bot = Chess()
chess_bot.games.append(game)
result = asyncio.run(chess_bot.make_move(game, 'Nf3'))
self.assertIsInstance(result, Game)
self.assertEqual(len(result.board.move_stack), 3)
self.assertEqual(result.current_player, game.player2)
updated_chess_game = self.db_session.query(ChessGame).filter_by(
player1_id=result.player1.id).first()
updated_game_from_db = Game.from_chess_game_model(updated_chess_game)
self.assertEqual(updated_game_from_db.board.move_stack,
result.board.move_stack)