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roboco/tests/unit/conventions/test_cli.py
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"""CLI: JSONL findings on stdout, exit 0 when it ran, exit 3 when it could not."""
from __future__ import annotations
import json
from typing import TYPE_CHECKING
from roboco.conventions.__main__ import main
from roboco.conventions.runner import ValidatorCouldNotRun
if TYPE_CHECKING:
from pathlib import Path
import pytest
_EXIT_COULD_NOT_RUN = 3
def _seed_repo(root: Path) -> None:
routers = root / "app" / "routers"
routers.mkdir(parents=True)
(routers / "u.py").write_text(
"from pydantic import BaseModel\nclass M(BaseModel):\n x: int\n"
)
conv = root / ".roboco"
conv.mkdir()
(conv / "conventions.yml").write_text(
"modules:\n - path: app/routers\n purpose: r\n forbidden: [model]\n"
)
def test_cli_prints_jsonl_and_exits_zero(
tmp_path: Path, capsys: pytest.CaptureFixture[str]
) -> None:
_seed_repo(tmp_path)
rc = main(["check", "--root", str(tmp_path), "--files", "app/routers/u.py"])
assert rc == 0
lines = capsys.readouterr().out.strip().splitlines()
assert lines
assert json.loads(lines[0])["rule"] == "no_models_in_routers"
def test_cli_exits_zero_with_no_findings(
tmp_path: Path, capsys: pytest.CaptureFixture[str]
) -> None:
(tmp_path / "clean.py").write_text("def helper():\n return 1\n")
rc = main(["check", "--root", str(tmp_path), "--files", "clean.py"])
assert rc == 0
assert capsys.readouterr().out.strip() == ""
def test_cli_exits_three_on_unparseable_config(
tmp_path: Path, capsys: pytest.CaptureFixture[str]
) -> None:
conv = tmp_path / ".roboco"
conv.mkdir()
(conv / "conventions.yml").write_text("modules: [oops\n")
rc = main(["check", "--root", str(tmp_path), "--files"])
assert rc == _EXIT_COULD_NOT_RUN
assert "error" in capsys.readouterr().err
def test_cli_exits_three_when_validator_cannot_run(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str]
) -> None:
(tmp_path / "x.py").write_text("x = 1\n")
def boom(*_args: object, **_kw: object) -> list:
raise ValidatorCouldNotRun("no grammar")
monkeypatch.setattr("roboco.conventions.__main__.run", boom)
rc = main(["check", "--root", str(tmp_path), "--files", "x.py"])
assert rc == _EXIT_COULD_NOT_RUN
payload = json.loads(capsys.readouterr().err)
assert "error" in payload