"""Test configuration."""
import pytest
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
from sqlalchemy.orm import sessionmaker

from app.models.base import Base


@pytest.fixture(scope="function")
async def db():
    """Create a fresh in-memory SQLite database for each test."""
    engine = create_async_engine(
        "sqlite+aiosqlite:///:memory:",
        future=True,
        echo=False,
    )
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)

    AsyncSessionLocal = sessionmaker(
        engine,
        class_=AsyncSession,
        expire_on_commit=False,
        autoflush=False,
        autocommit=False,
    )

    async with AsyncSessionLocal() as session:
        yield session

    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)
    await engine.dispose()