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cowork-local/tests/unit/test_check_imports.py

60 lines
1.8 KiB
Python

"""Unit tests for the Clean Architecture AST Import Guard (check_imports.py)."""
from __future__ import annotations
from pathlib import Path
from scripts.check_imports import FORBIDDEN_MODULE_PREFIXES, scan_file
def test_clean_python_file_passes(tmp_path: Path) -> None:
"""Verify that pure Python code without GUI imports produces 0 violations."""
clean_code = """
import os
import json
from dataclasses import dataclass
from typing import List
@dataclass
class UserRequest:
id: str
prompt: str
"""
clean_file = tmp_path / "clean_service.py"
clean_file.write_text(clean_code, encoding="utf-8")
violations = scan_file(clean_file, FORBIDDEN_MODULE_PREFIXES)
assert len(violations) == 0
def test_forbidden_pyside_import_detected(tmp_path: Path) -> None:
"""Verify that PySide6 import is caught with correct line number."""
dirty_code = """
from dataclasses import dataclass
from PySide6.QtWidgets import QWidget
class BadService:
pass
"""
dirty_file = tmp_path / "bad_service.py"
dirty_file.write_text(dirty_code, encoding="utf-8")
violations = scan_file(dirty_file, FORBIDDEN_MODULE_PREFIXES)
assert len(violations) == 1
assert violations[0].line_number == 3
assert "PySide6" in violations[0].imported_module
def test_forbidden_ui_and_app_import_detected(tmp_path: Path) -> None:
"""Verify that importing concrete UI or app modules from domain is caught."""
dirty_code = """
import ui.chat_panel
from app import MainWindow
"""
dirty_file = tmp_path / "cross_layer_leak.py"
dirty_file.write_text(dirty_code, encoding="utf-8")
violations = scan_file(dirty_file, FORBIDDEN_MODULE_PREFIXES)
assert len(violations) == 2
modules = [v.imported_module for v in violations]
assert "ui.chat_panel" in modules
assert "app" in modules