110 lines
3.6 KiB
Python
110 lines
3.6 KiB
Python
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# 无头测试：桩替代 pygame，验证 snake 游戏核心逻辑
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import sys, types, os, shutil, tempfile
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# ---------------- pygame 桩 ----------------
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class Surf:
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def fill(self, *a, **k): pass
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def blit(self, *a, **k): pass
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class Font:
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def __init__(self, *a, **k): pass
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def render(self, text, aa, color):
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s = Surf()
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s.get_width = lambda: 10 * len(str(text))
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s.get_height = lambda: 20
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return s
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class Rect:
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def __init__(self, x, y, w, h, *a, **k):
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self.x, self.y, self.width, self.height = x, y, w, h
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@property
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def right(self): return self.x + self.width
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class Clock:
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def tick(self, *a): return 0
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def get_time(self): return 16
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fake = types.ModuleType("pygame")
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fake.init = lambda: None
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fake.quit = lambda: None
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fake.joystick = types.SimpleNamespace(init=lambda: None, Joystick=lambda i: None,
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get_count=lambda: 0)
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fake.display = types.SimpleNamespace(set_mode=lambda s: Surf(), set_caption=lambda s: None,
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flip=lambda: None)
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fake.font = types.SimpleNamespace(Font=Font)
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fake.Rect = Rect
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fake.draw = types.SimpleNamespace(rect=lambda *a, **k: None, line=lambda *a, **k: None)
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fake.time = types.SimpleNamespace(Clock=Clock)
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for name, val in dict(K_ESCAPE=27, K_UP=273, K_DOWN=274, K_LEFT=276, K_RIGHT=275,
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K_w=119, K_s=115, K_a=97, K_d=100, K_RETURN=13, K_SPACE=32,
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QUIT=256, KEYDOWN=768, JOYBUTTONDOWN=769, JOYHATMOTION=770,
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JOYAXISMOTION=771).items():
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setattr(fake, name, val)
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sys.modules["pygame"] = fake
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sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath(__file__)),
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"games", "snake"))
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import importlib.util
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spec = importlib.util.spec_from_file_location(
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"snake_main", os.path.join(os.path.dirname(os.path.abspath(__file__)),
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"games", "snake", "main.py"))
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m = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(m)
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# 把存档指到临时目录，避免污染
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tmp = tempfile.mkdtemp()
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m.SAVE_DIR = tmp
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m.SAVE_FILE = os.path.join(tmp, "snake_best.txt")
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g = m.SnakeGame()
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# 1. 初始为菜单态
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assert g.state == "menu"
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g.confirm()
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assert g.state == "play"
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assert len(g.snake) == 3
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print("1. 菜单→开始 OK")
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# 2. 移动两步，蛇头前进
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head0 = g.snake[0]
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g.step()
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assert g.snake[0] == (head0[0] + 1, head0[1]), g.snake[0]
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assert len(g.snake) == 3
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print("2. 移动 OK")
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# 3. 禁止 180° 掉头
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g.push_dir((-1, 0))
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g.step()
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assert g.dir == (1, 0), g.dir
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print("3. 禁止掉头 OK")
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# 4. 吃到苹果：加分 + 变长
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g.apple = (g.snake[0][0] + 1, g.snake[0][1])
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score0, len0 = g.score, len(g.snake)
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g.step()
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assert g.score == score0 + 1 and len(g.snake) == len0 + 1
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print("4. 吃苹果 OK")
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# 5. 撞墙 → 结束并保存最高分
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g.snake = [(m.COLS - 1, 5), (m.COLS - 2, 5), (m.COLS - 3, 5)]
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g.dir, g.pending = (1, 0), []
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g.score = 12
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g.step()
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assert g.state == "over" and g.best == 12
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assert open(m.SAVE_FILE).read() == "12"
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print("5. 撞墙/最高分保存 OK")
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# 6. 重新开始
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g.confirm()
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assert g.state == "play" and g.score == 0 and len(g.snake) == 3
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print("6. 重开 OK")
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# 7. 存档路径在仓库外（约定 games/_saves）
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m.SAVE_DIR = os.path.normpath(os.path.join(
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os.path.dirname(os.path.abspath(__file__)), "games", "snake", "..", "_saves"))
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assert "_saves" in m.SAVE_DIR and "snake" not in m.SAVE_DIR.replace("_saves", "", 1).rstrip(os.sep).split(os.sep)[-1]
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print("7. 存档位于仓库外 OK")
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shutil.rmtree(tmp, ignore_errors=True)
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print("\n游戏逻辑全部测试通过 ✔")
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