"""
Fixtures pytest partagées : une base SQLite en mémoire, isolée pour chaque
test, et un client de test FastAPI branché dessus (au lieu du fichier
data/stock.db utilisé en développement normal).
"""

import pytest
from fastapi.testclient import TestClient
from sqlmodel import Session, SQLModel, create_engine
from sqlmodel.pool import StaticPool

from app.database import get_session
from app.main import app


@pytest.fixture(name="session")
def session_fixture():
    engine = create_engine(
        "sqlite://", connect_args={"check_same_thread": False}, poolclass=StaticPool
    )
    SQLModel.metadata.create_all(engine)
    with Session(engine) as session:
        yield session


@pytest.fixture(name="client")
def client_fixture(session: Session):
    def get_session_override():
        return session

    app.dependency_overrides[get_session] = get_session_override
    with TestClient(app) as client:
        yield client
    app.dependency_overrides.clear()