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106 lines
3.0 KiB
Python
106 lines
3.0 KiB
Python
import pytest
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pytest.importorskip("chess")
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"""
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Regression test suite for chess get_game_status covering rule-based draws,
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stalemate, insufficient material, checkmate, and game in progress.
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"""
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import asyncio
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import sys
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from pathlib import Path
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import chess
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sys.path.insert(
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0,
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str(
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Path(__file__).resolve().parent.parent
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/ "chapter4"
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/ "collaboration-tools"
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/ "src"
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),
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)
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import chess_tools
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def test_chess_game_over_75_move_rule_draw():
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# 75-move rule / 150 halfmoves automatic draw
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board = chess.Board("8/8/8/8/8/8/R7/r6k w - - 150 1")
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assert board.is_game_over() is True
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assert board.is_checkmate() is False
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chess_tools._game_board = board
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res = asyncio.run(chess_tools.get_game_status())
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assert res["success"] is True
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status = res["game_status"]
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assert status["is_game_over"] is True
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assert status["is_draw"] is True
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assert status["winner"] is None
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assert status["status_message"] == "Game over! The game is a draw"
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def test_chess_stalemate_draw():
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# Black king stalemated
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board = chess.Board("k7/8/1Q6/8/8/8/8/K7 b - - 0 1")
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assert board.is_stalemate() is True
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chess_tools._game_board = board
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res = asyncio.run(chess_tools.get_game_status())
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assert res["success"] is True
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status = res["game_status"]
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assert status["is_game_over"] is True
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assert status["is_stalemate"] is True
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assert status["is_draw"] is True
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assert status["winner"] is None
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assert status["status_message"] == "Stalemate! The game is a draw"
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def test_chess_insufficient_material_draw():
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# Bare kings
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board = chess.Board("k7/8/8/8/8/8/8/K7 w - - 0 1")
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assert board.is_insufficient_material() is True
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chess_tools._game_board = board
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res = asyncio.run(chess_tools.get_game_status())
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assert res["success"] is True
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status = res["game_status"]
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assert status["is_game_over"] is True
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assert status["is_draw"] is True
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assert status["status_message"] == "Draw by insufficient material"
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def test_chess_checkmate_not_draw():
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# Scholar's mate
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board = chess.Board(
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"r1bqkb1r/pppp1ppp/2n5/4p3/2B1P3/5Q2/PPPP1PPP/RNB1K1NR w KQkq - 0 4"
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)
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board.push_san("Qxf7#")
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assert board.is_checkmate() is True
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chess_tools._game_board = board
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res = asyncio.run(chess_tools.get_game_status())
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assert res["success"] is True
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status = res["game_status"]
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assert status["is_game_over"] is True
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assert status["is_checkmate"] is True
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assert status["is_draw"] is False
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assert status["winner"] == "white"
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assert "Checkmate!" in status["status_message"]
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def test_chess_game_in_progress():
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board = chess.Board()
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chess_tools._game_board = board
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res = asyncio.run(chess_tools.get_game_status())
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assert res["success"] is True
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status = res["game_status"]
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assert status["is_game_over"] is False
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assert status["is_draw"] is False
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assert status["winner"] is None
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assert status["status_message"] == "Game in progress"
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