mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-10-28 19:06:36 +08:00
89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
"""
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ChainBase canonical、冷导入与旧插件符号边界。
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"""
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import ast
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import itertools
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import subprocess
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import sys
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from pathlib import Path
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PROJECT_ROOT = Path(__file__).parents[1]
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def test_chain_package_root_has_no_canonical_implementation_or_export() -> None:
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"""
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物理包根只能声明包用途，不得重新承载或导出 ChainBase。
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"""
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path = PROJECT_ROOT / "app" / "chain" / "__init__.py"
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tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
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assert all(
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isinstance(node, ast.Expr)
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and isinstance(node.value, ast.Constant)
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and isinstance(node.value.value, str)
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for node in tree.body
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)
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def test_host_python_sources_do_not_import_chainbase_from_package_root() -> None:
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"""
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排除插件副本后，宿主和测试必须统一使用 canonical 子模块。
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"""
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violations: list[str] = []
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for root in (PROJECT_ROOT / "app", PROJECT_ROOT / "tests"):
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for path in root.rglob("*.py"):
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if path.is_relative_to(PROJECT_ROOT / "app" / "plugins"):
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continue
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tree = ast.parse(path.read_text(encoding="utf-8"), filename=str(path))
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for node in ast.walk(tree):
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if not isinstance(node, ast.ImportFrom) or node.module != "app.chain":
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continue
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if any(alias.name == "ChainBase" for alias in node.names):
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violations.append(path.relative_to(PROJECT_ROOT).as_posix())
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assert violations == []
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def test_chain_modules_are_cold_importable_in_every_order() -> None:
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"""
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base 与两个 mixin 的任意导入顺序都不得依赖部分初始化包。
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"""
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modules = ("app.chain.base", "app.chain._messaging", "app.chain._recognition")
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for order in itertools.permutations(modules):
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code = (
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"import importlib, sys; "
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f"order={order!r}; "
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"[importlib.import_module(name) for name in order]; "
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"package=sys.modules['app.chain']; "
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"assert 'ChainBase' not in vars(package)"
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)
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result = subprocess.run(
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[sys.executable, "-c", code],
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cwd=PROJECT_ROOT,
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capture_output=True,
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text=True,
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check=False,
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)
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assert result.returncode == 0, result.stderr
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def test_chain_package_cold_import_does_not_load_children() -> None:
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"""
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只导入物理包根时不得急切加载 Chain 实现或 mixin。
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"""
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code = (
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"import sys; import app.chain; "
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"loaded=sorted(name for name in sys.modules if name.startswith('app.chain.')); "
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"assert loaded == [], loaded"
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)
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result = subprocess.run(
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[sys.executable, "-c", code],
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cwd=PROJECT_ROOT,
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capture_output=True,
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text=True,
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check=False,
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)
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assert result.returncode == 0, result.stderr
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