test(v2): define secure control-plane contracts

tests/conftest.py

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+from __future__ import annotations
+
+import importlib
+from collections.abc import AsyncIterator
+from pathlib import Path
+from typing import Any
+
+import pytest_asyncio
+from alembic import command
+from httpx import ASGITransport, AsyncClient
+
+cli = importlib.import_module("backup_tool.cli")
+config = importlib.import_module("backup_tool.config")
+Settings = config.Settings
+
+
+def make_settings(tmp_path: Path) -> Any:
+    key = tmp_path / "master.key"
+    key.write_bytes(b"m2-test-master-key-material-32-bytes-minimum")
+    key.chmod(0o600)
+    data = tmp_path / "data"
+    repositories = tmp_path / "repositories"
+    sources = tmp_path / "sources"
+    restores = tmp_path / "restores"
+    for path in (data, repositories, sources, restores):
+        path.mkdir()
+    return Settings(
+        data_dir=data,
+        database_url=f"sqlite+aiosqlite:///{data / 'metadata.db'}",
+        repository_roots=(repositories,),
+        local_source_roots=(sources,),
+        restore_roots=(restores,),
+        master_key_file=key,
+        public_base_url="https://testserver",
+    )
+
+
+@pytest_asyncio.fixture
+async def app_client(tmp_path: Path) -> AsyncIterator[tuple[AsyncClient, Any]]:
+    settings = make_settings(tmp_path)
+    command.upgrade(cli.build_alembic_config(settings), "head")
+    app_module = importlib.import_module("backup_tool.api.app")
+    app = app_module.create_app(settings)
+    async with AsyncClient(
+        transport=ASGITransport(app=app), base_url="https://testserver"
+    ) as client:
+        yield client, settings
+    await app.state.engine.dispose()