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97 lines
4.0 KiB
Python
97 lines
4.0 KiB
Python
"""Architecture rules that should fail before coupling becomes entrenched."""
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from __future__ import annotations
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import ast
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import unittest
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[2]
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class TestCliBackendBoundaries(unittest.TestCase):
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def test_cli_does_not_import_a_concrete_backend(self) -> None:
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forbidden = (
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"backend.docker", "backend.firecracker", "backend.macos_container",
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"bot_bottle.backend.docker", "bot_bottle.backend.firecracker",
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"bot_bottle.backend.macos_container",
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)
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violations: list[str] = []
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for path in (ROOT / "bot_bottle" / "cli").rglob("*.py"):
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tree = ast.parse(path.read_text(), filename=str(path))
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for node in ast.walk(tree):
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if isinstance(node, ast.ImportFrom):
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module = node.module
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if module and module.startswith(forbidden):
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violations.append(
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f"{path.relative_to(ROOT)}:{node.lineno}: {module}"
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)
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if isinstance(node, ast.Import):
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violations.extend(
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f"{path.relative_to(ROOT)}:{node.lineno}: {alias.name}"
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for alias in node.names if alias.name.startswith(forbidden)
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)
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self.assertEqual([], violations, "generic CLI imports concrete backend internals:\n" +
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"\n".join(violations))
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class TestRuntimeModuleSizes(unittest.TestCase):
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def test_no_runtime_module_grows_beyond_global_ceiling(self) -> None:
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"""A coarse ceiling catches new monoliths; focused caps stay tighter."""
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ceiling = 850
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oversized = [
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f"{path.relative_to(ROOT)} ({len(path.read_text().splitlines())})"
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for path in (ROOT / "bot_bottle").rglob("*.py")
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if len(path.read_text().splitlines()) > ceiling
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]
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self.assertEqual(
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[], oversized,
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f"runtime modules must stay at or below {ceiling} lines: "
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+ ", ".join(oversized),
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)
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def test_egress_modules_stay_focused(self) -> None:
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caps = {
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"addon_core.py": 100,
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"schema.py": 400,
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"types.py": 180,
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"matching.py": 180,
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"dlp.py": 180,
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"context.py": 140,
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}
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directory = ROOT / "bot_bottle" / "gateway" / "egress"
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oversized = [f"{name} ({len((directory / name).read_text().splitlines())}>{cap})"
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for name, cap in caps.items()
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if len((directory / name).read_text().splitlines()) > cap]
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self.assertEqual([], oversized, "split a module rather than raising its cap: " +
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", ".join(oversized))
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def test_runtime_code_uses_focused_egress_modules(self) -> None:
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"""addon_core is compatibility-only, never an internal dependency."""
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violations: list[str] = []
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package = ROOT / "bot_bottle"
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facade = package / "gateway" / "egress" / "addon_core.py"
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package_init = package / "gateway" / "egress" / "__init__.py"
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for path in package.rglob("*.py"):
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if path in (facade, package_init):
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continue
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text = path.read_text()
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if "gateway.egress.addon_core import" in text or \
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".addon_core import" in text:
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violations.append(str(path.relative_to(ROOT)))
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self.assertEqual([], violations)
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def test_backend_contract_does_not_absorb_preparation_logic(self) -> None:
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caps = {
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ROOT / "bot_bottle" / "backend" / "base.py": 580,
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ROOT / "bot_bottle" / "backend" / "preparation.py": 160,
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}
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oversized = [
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f"{path.relative_to(ROOT)} "
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f"({len(path.read_text().splitlines())}>{cap})"
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for path, cap in caps.items()
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if len(path.read_text().splitlines()) > cap
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]
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self.assertEqual([], oversized)
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