feat: add unit and API tests for activities and tasks, including shared fixtures and scenarios

tests/api/v1/conftest.py

@@ -0,0 +1,38 @@
+"""Pytest fixtures shared across API v1 tests."""
+from __future__ import annotations
+
+from collections.abc import AsyncGenerator
+
+import pytest_asyncio
+from httpx import ASGITransport, AsyncClient
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+
+from app.api.deps import get_db_session
+from app.main import create_app
+from app.models import Base
+
+
+@pytest_asyncio.fixture()
+async def session_factory() -> AsyncGenerator[async_sessionmaker[AsyncSession], None]:
+    engine = create_async_engine("sqlite+aiosqlite:///:memory:", future=True)
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)
+    factory = async_sessionmaker(engine, expire_on_commit=False)
+    yield factory
+    await engine.dispose()
+
+
+@pytest_asyncio.fixture()
+async def client(
+    session_factory: async_sessionmaker[AsyncSession],
+) -> AsyncGenerator[AsyncClient, None]:
+    app = create_app()
+
+    async def _get_session_override() -> AsyncGenerator[AsyncSession, None]:
+        async with session_factory() as session:
+            yield session
+
+    app.dependency_overrides[get_db_session] = _get_session_override
+    transport = ASGITransport(app=app)
+    async with AsyncClient(transport=transport, base_url="http://testserver") as test_client:
+        yield test_client