Give up on migrations in tests

.gitignore

@@ -154,6 +154,3 @@ cython_debug/
 
 # PyCharm
 .idea/
-
-# SQLite testing database
-tests.db

alembic/env.py

@@ -68,10 +68,4 @@ async def run_migrations_online() -> None:
 if context.is_offline_mode():
     run_migrations_offline()
 else:
-    # Wonky way to use the Pytest event loop instead of another one
-    try:
-        loop = asyncio.get_running_loop()
-        if loop and loop.is_running():
-            loop.create_task(run_migrations_online())
-    except RuntimeError:
     asyncio.run(run_migrations_online())

database/engine.py

@@ -17,6 +17,7 @@ engine = create_async_engine(
         database=settings.DB_NAME,
     ),
     pool_pre_ping=True,
+    future=True,
 )
 
 DBSession = sessionmaker(autocommit=False, autoflush=False, bind=engine, class_=AsyncSession, expire_on_commit=False)

requirements-dev.txt

@@ -1,4 +1,3 @@
-aiosqlite==0.17.0
 black==22.3.0
 mypy==0.961
 pylint==2.14.1

tests/conftest.py

@@ -5,7 +5,6 @@ from unittest.mock import MagicMock
 import pytest
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from alembic import config, command
 from database.engine import engine
 from database.models import Base
 from didier import Didier
@@ -19,16 +18,14 @@ def event_loop() -> Generator:
 
 
 @pytest.fixture(scope="session")
-async def tables(event_loop):
+async def tables():
     """Initialize a database before the tests, and then tear it down again"""
-    alembic_config: config.Config = config.Config("alembic.ini")
-    command.upgrade(alembic_config, "head")
-    yield
-    command.downgrade(alembic_config, "base")
+    async with engine.begin() as connection:
+        await connection.run_sync(Base.metadata.create_all)
 
 
 @pytest.fixture
-async def database_session(tables, event_loop) -> AsyncGenerator[AsyncSession, None]:
+async def database_session(tables) -> AsyncGenerator[AsyncSession, None]:
     """Fixture to create a session for every test
     Rollbacks the transaction afterwards so that the future tests start with a clean database
     """