didier/tests/conftest.py

90 lines
2.2 KiB
Python

import asyncio
import json
import pathlib
from typing import AsyncGenerator, Generator, Union
from unittest.mock import MagicMock
import pytest
from sqlalchemy.ext.asyncio import AsyncSession
from database.engine import postgres_engine
from database.migrations import ensure_latest_migration, migrate
from didier import Didier
@pytest.fixture(scope="session", autouse=True)
def event_loop() -> Generator:
"""Fixture to change the event loop
This fixes a lot of headaches during async tests
"""
loop = asyncio.get_event_loop_policy().new_event_loop()
yield loop
loop.close()
@pytest.fixture(scope="session")
async def tables():
"""Fixture to initialize a database before the tests, and then tear it down again
Checks that the migrations were successful by asserting that we are currently
on the latest migration
"""
await migrate(up=True)
await ensure_latest_migration()
yield
await migrate(up=False)
@pytest.fixture
async def postgres(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
"""
connection = await postgres_engine.connect()
transaction = await connection.begin()
session = AsyncSession(bind=connection, expire_on_commit=False)
yield session
# Clean up session & rollback transactions
await session.close()
if transaction.is_valid:
await transaction.rollback()
await connection.close()
@pytest.fixture
def mock_client() -> Didier:
"""Fixture to get a mock Didier instance
The mock uses 0 as the id
"""
mock_client = MagicMock()
mock_user = MagicMock()
mock_user.id = 0
mock_client.user = mock_user
return mock_client
"""Data providers"""
def _provide(name: str) -> Union[dict, str]:
location = pathlib.Path(__file__).parent / "test_data" / name
with open(location, "r") as fp:
if name.endswith(".json"):
return json.load(fp)
return fp.read()
@pytest.fixture
def free_games_response() -> str:
"""Fixture to get an example response from the free games RSS feed"""
return _provide("free_games.rss")