Initial commit

backend/tests/conftest.py

@@ -0,0 +1,47 @@
+import pytest
+import pytest_asyncio
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlmodel import SQLModel
+from sqlalchemy.orm import sessionmaker
+from httpx import AsyncClient, ASGITransport
+from app.main import app
+
+@pytest_asyncio.fixture(scope="session")
+async def engine():
+    """Create a single in-memory SQLite engine for the entire test session."""
+    engine = create_async_engine(
+        "sqlite+aiosqlite:///:memory:",
+        echo=False,
+    )
+    # Create tables once for the whole session to avoid overhead
+    async with engine.begin() as conn:
+        await conn.run_sync(SQLModel.metadata.create_all)
+    yield engine
+    await engine.dispose()
+
+@pytest_asyncio.fixture
+async def session_factory(engine):
+    """Create async session factory."""
+    return sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+@pytest_asyncio.fixture
+async def db_session(session_factory):
+    """Create a database session for a test. Rolls back after each test."""
+    async with session_factory() as session:
+        yield session
+        await session.rollback()
+
+@pytest.fixture
+def sample_session_data():
+    """Sample sleep session data for testing."""
+    return {
+        "start_time": "2024-01-15T21:30:00Z",
+    }
+
+@pytest.fixture
+async def api_client(engine):
+    """Provides an AsyncClient for testing API endpoints."""
+    async with AsyncClient(
+        transport=ASGITransport(app=app), base_url="http://test"
+    ) as client:
+        yield client