[英]AttributeError in pytest with asyncio after include code in fixtures
我需要测试我的电报机器人。 为此,我需要创建客户端用户来询问我的机器人。 我找到了可以做到这一点的Telethon图书馆。 首先,我编写了一个代码示例以确保授权和连接正常工作,并向自己发送测试消息(省略导入):
api_id = int(os.getenv("TELEGRAM_APP_ID"))
api_hash = os.getenv("TELEGRAM_APP_HASH")
session_str = os.getenv("TELETHON_SESSION")
async def main():
client = TelegramClient(
StringSession(session_str), api_id, api_hash,
sequential_updates=True
)
await client.connect()
async with client.conversation("@someuser") as conv:
await conv.send_message('Hey, what is your name?')
if __name__ == "__main__":
asyncio.run(main())
@someuser(我)成功接收消息。 好的,现在我根据上面的代码使用夹具创建一个测试:
api_id = int(os.getenv("TELEGRAM_APP_ID"))
api_hash = os.getenv("TELEGRAM_APP_HASH")
session_str = os.getenv("TELETHON_SESSION")
@pytest.fixture(scope="session")
async def client():
client = TelegramClient(
StringSession(session_str), api_id, api_hash,
sequential_updates=True
)
await client.connect()
yield client
await client.disconnect()
@pytest.mark.asyncio
async def test_start(client: TelegramClient):
async with client.conversation("@someuser") as conv:
await conv.send_message("Hey, what is your name?")
运行pytest
后收到错误:
AttributeError: 'async_generator' object has no attribute 'conversation'
似乎client
对象在“错误”条件下从client
夹具返回。 这是print(dir(client))
:
['__aiter__', '__anext__', '__class__', '__class_getitem__', '__del__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__name__', '__ne__', '__new__', '__qualname__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'aclose', 'ag_await', 'ag_code', 'ag_frame', 'ag_running', 'asend', 'athrow']
我在哪里从夹具中的生成器中释放“正确”的客户端对象?
我宁愿使用anyio
而不是pytest-asyncio
pip install anyio
尝试这个:
import pytest
@pytest.fixture(scope="session")
def anyio_backend():
return "asyncio"
@pytest.fixture(scope="session")
async def conv():
client = TelegramClient(
StringSession(session_str), api_id, api_hash,
sequential_updates=True
)
await client.connect()
async with client.conversation("@someuser") as conv:
yield conv
@pytest.mark.anyio
async def test_start(conv):
await conv.send_message("Hey, what is your name?")
根据文档https://pypi.org/project/pytest-asyncio/#async-fixtures在异步夹具中使用@pytest_asyncio.fixture
装饰器。
像这样:
import pytest_asyncio
@pytest_asyncio.fixture(scope="session")
async def client():
...
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