Add test files and configuration

tests/conftest.py

@@ -0,0 +1,96 @@
+"""Pytest configuration and fixtures for auto-gitignore tests."""
+
+import tempfile
+from pathlib import Path
+from typing import Generator
+
+import pytest
+
+
+@pytest.fixture
+def temp_project_dir() -> Generator[Path, None, None]:
+    """Create a temporary directory for testing."""
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        yield Path(tmp_dir)
+
+
+@pytest.fixture
+def python_project(temp_project_dir: Path) -> Path:
+    """Create a mock Python project structure."""
+    (temp_project_dir / "requirements.txt").write_text("requests==2.28.0\n")
+    (temp_project_dir / "setup.py").write_text("from setuptools import setup\n")
+    src_dir = temp_project_dir / "src"
+    src_dir.mkdir(exist_ok=True)
+    (src_dir / "main.py").write_text("print('hello')\n")
+    return temp_project_dir
+
+
+@pytest.fixture
+def nodejs_project(temp_project_dir: Path) -> Path:
+    """Create a mock Node.js project structure."""
+    (temp_project_dir / "package.json").write_text('{"name": "test", "version": "1.0.0"}\n')
+    src_dir = temp_project_dir / "src"
+    src_dir.mkdir(exist_ok=True)
+    (src_dir / "index.js").write_text("console.log('hello')\n")
+    return temp_project_dir
+
+
+@pytest.fixture
+def django_project(temp_project_dir: Path) -> Path:
+    """Create a mock Django project structure."""
+    (temp_project_dir / "requirements.txt").write_text("django==4.0.0\n")
+    (temp_project_dir / "manage.py").write_text("#!/usr/bin/env python\n")
+    myproject_dir = temp_project_dir / "myproject"
+    myproject_dir.mkdir(exist_ok=True)
+    (myproject_dir / "__init__.py").write_text("")
+    (myproject_dir / "settings.py").write_text("")
+    (myproject_dir / "urls.py").write_text("")
+    return temp_project_dir
+
+
+@pytest.fixture
+def react_project(temp_project_dir: Path) -> Path:
+    """Create a mock React project structure."""
+    (temp_project_dir / "package.json").write_text('{"name": "test", "dependencies": {"react": "^18.0.0"}}\n')
+    src_dir = temp_project_dir / "src"
+    src_dir.mkdir(exist_ok=True)
+    (src_dir / "App.js").write_text("import React from 'react'\n")
+    return temp_project_dir
+
+
+@pytest.fixture
+def mixed_project(temp_project_dir: Path) -> Path:
+    """Create a mock mixed-language project structure."""
+    (temp_project_dir / "requirements.txt").write_text("django==4.0.0\n")
+    (temp_project_dir / "package.json").write_text('{"name": "test", "dependencies": {"react": "^18.0.0"}}\n')
+    backend_dir = temp_project_dir / "src" / "backend"
+    backend_dir.mkdir(parents=True, exist_ok=True)
+    (backend_dir / "main.py").write_text("print('hello')\n")
+    frontend_dir = temp_project_dir / "src" / "frontend"
+    frontend_dir.mkdir(parents=True, exist_ok=True)
+    (frontend_dir / "App.js").write_text("import React from 'react'\n")
+    return temp_project_dir
+
+
+@pytest.fixture
+def vscode_project(temp_project_dir: Path) -> Path:
+    """Create a mock project with VSCode configuration."""
+    vscode_dir = temp_project_dir / ".vscode"
+    vscode_dir.mkdir(exist_ok=True)
+    (vscode_dir / "settings.json").write_text("{}\n")
+    src_dir = temp_project_dir / "src"
+    src_dir.mkdir(exist_ok=True)
+    (src_dir / "main.py").write_text("print('hello')\n")
+    return temp_project_dir
+
+
+@pytest.fixture
+def jetbrains_project(temp_project_dir: Path) -> Path:
+    """Create a mock project with JetBrains IDE configuration."""
+    idea_dir = temp_project_dir / ".idea"
+    idea_dir.mkdir(exist_ok=True)
+    (idea_dir / "modules.xml").write_text("<project>\n</project>\n")
+    src_dir = temp_project_dir / "src"
+    src_dir.mkdir(exist_ok=True)
+    (src_dir / "main.py").write_text("print('hello')\n")
+    return temp_project_dir