feat: +unit test

tests/data/demo_project/code_summaries.json

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+{"design_filename": "docs/system_design/20231221155954.json", "task_filename": "docs/tasks/20231221155954.json", "codes_filenames": ["game.py", "main.py"], "reason": "```json\n{\n  \"game.py\": \"Add handling for no empty cells in add_new_tile function, Update score in move function\",\n  \"main.py\": \"Handle game over condition in the game loop\"\n}\n```"}

tests/data/demo_project/system_design.json

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+{"Implementation approach": "We will use the Pygame library to create the game interface and handle user input. The game logic will be implemented using Python classes and data structures.", "File list": ["main.py", "game.py"], "Data structures and interfaces": "classDiagram\n    class Game {\n        -grid: List[List[int]]\n        -score: int\n        -game_over: bool\n        +__init__()\n        +reset_game()\n        +move(direction: str)\n        +is_game_over() bool\n        +get_empty_cells() List[Tuple[int, int]]\n        +add_new_tile()\n        +get_score() int\n    }\n    class UI {\n        -game: Game\n        +__init__(game: Game)\n        +draw_grid()\n        +draw_score()\n        +draw_game_over()\n        +handle_input()\n    }\n    Game --> UI", "Program call flow": "sequenceDiagram\n    participant M as Main\n    participant G as Game\n    participant U as UI\n    M->>G: reset_game()\n    M->>U: draw_grid()\n    M->>U: draw_score()\n    M->>U: handle_input()\n    U->>G: move(direction)\n    G->>G: add_new_tile()\n    G->>U: draw_grid()\n    G->>U: draw_score()\n    G->>U: draw_game_over()\n    G->>G: is_game_over()\n    G->>G: get_empty_cells()\n    G->>G: get_score()", "Anything UNCLEAR": "..."}

tests/data/demo_project/tasks.json

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+{"Required Python packages": ["pygame==2.0.1"], "Required Other language third-party packages": ["No third-party dependencies required"], "Logic Analysis": [["game.py", "Contains Game class and related functions for game logic"], ["main.py", "Contains main function, initializes the game and UI"]], "Task list": ["game.py", "main.py"], "Full API spec": "", "Shared Knowledge": "The game logic will be implemented using Python classes and data structures. The Pygame library will be used to create the game interface and handle user input.", "Anything UNCLEAR": "..."}

tests/data/demo_project/test_game.py.json

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+{"summary": "---\n## instruction:\nThe errors are caused by both the development code and the test code. The development code needs to be fixed to ensure that the `reset_game` method resets the grid properly. The test code also needs to be fixed to ensure that the `add_new_tile` test does not raise an index out of range error.\n\n## File To Rewrite:\ngame.py\n\n## Status:\nFAIL\n\n## Send To:\nEngineer\n---", "stdout": "", "stderr": "E.......F\n======================================================================\nERROR: test_add_new_tile (__main__.TestGame)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/Users/xx/tests/test_game.py\", line 104, in test_add_new_tile\n    self.assertIn(self.game.grid[empty_cells[0][0]][empty_cells[0][1]], [2, 4])\nIndexError: list index out of range\n\n======================================================================\nFAIL: test_reset_game (__main__.TestGame)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/Users/xx/tests/test_game.py\", line 13, in test_reset_game\n    self.assertEqual(self.game.grid, [[0 for _ in range(4)] for _ in range(4)])\nAssertionError: Lists differ: [[0, 0, 0, 0], [0, 2, 0, 0], [0, 0, 0, 2], [0, 0, 0, 0]] != [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\n\nFirst differing element 1:\n[0, 2, 0, 0]\n[0, 0, 0, 0]\n\n- [[0, 0, 0, 0], [0, 2, 0, 0], [0, 0, 0, 2], [0, 0, 0, 0]]\n?                    ---                 ^\n\n+ [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\n?                      +++               ^\n\n\n----------------------------------------------------------------------\nRan 9 tests in 0.002s\n\nFAILED (failures=1, errors=1)\n"}