66 lines
2 KiB
Python
66 lines
2 KiB
Python
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"""Shared test fixtures — async DB session using a test database."""
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from collections.abc import AsyncGenerator
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import pytest
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import pytest_asyncio
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from sqlalchemy import text
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from sqlmodel import SQLModel
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from wiregui.config import get_settings
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# All models must be imported so SQLModel.metadata knows about them
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from wiregui.models import * # noqa: F401, F403
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def _test_database_url() -> str:
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url = get_settings().database_url
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base, _dbname = url.rsplit("/", 1)
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return f"{base}/wiregui_test"
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TEST_DATABASE_URL = _test_database_url()
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# Module-level engine creation (runs once via autouse session fixture)
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_engine = None
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def _ensure_test_db_sync():
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"""Ensure wiregui_test database exists (called once)."""
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import asyncio
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async def _create():
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base_url = get_settings().database_url.rsplit("/", 1)[0] + "/postgres"
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admin_engine = create_async_engine(base_url, isolation_level="AUTOCOMMIT")
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async with admin_engine.connect() as conn:
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result = await conn.execute(
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text("SELECT 1 FROM pg_database WHERE datname = 'wiregui_test'")
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)
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if result.scalar() is None:
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await conn.execute(text("CREATE DATABASE wiregui_test"))
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await admin_engine.dispose()
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asyncio.run(_create())
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# Create test DB once at import time
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_ensure_test_db_sync()
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@pytest_asyncio.fixture
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async def session() -> AsyncGenerator[AsyncSession]:
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"""Fresh engine + session per test, with table setup/teardown."""
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engine = create_async_engine(TEST_DATABASE_URL)
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async with engine.begin() as conn:
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await conn.run_sync(SQLModel.metadata.create_all)
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factory = async_sessionmaker(engine, expire_on_commit=False)
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async with factory() as sess:
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yield sess
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await sess.rollback()
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async with engine.begin() as conn:
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await conn.run_sync(SQLModel.metadata.drop_all)
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await engine.dispose()
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