How to pytest aiohttp when used in FastAPI

First Check

• I added a very descriptive title to this issue.
• I used the GitHub search to find a similar issue and didn’t find it.
• I searched the FastAPI documentation, with the integrated search.
• I already searched in Google “How to X in FastAPI” and didn’t find any information.
• I already read and followed all the tutorial in the docs and didn’t find an answer.
• I already checked if it is not related to FastAPI but to Pydantic.
• I already checked if it is not related to FastAPI but to Swagger UI.
• I already checked if it is not related to FastAPI but to ReDoc.

Commit to Help

• I commit to help with one of those options 👆

Example Code

from fastapi import FastAPI
import aiohttp

app = FastAPI()


@app.get("/")
async def root():
    async with aiohttp.ClientSession() as session:
        async with session.get("http://httpbin.org/get") as response:
            return response.json()

# I'm not sure how to set up a pytest function to mock and test apihttp

Description

I’ve got a FastAPI application that makes HTTP GET requests to another service using the Requests module. I’d like to make these endpoints asynchronous using aiohttp, but I don’t know how to build pytest functions to mock and test the functions with aiohttp in them.

Operating System

Linux

Operating System Details

This is running on a Docker container with Python 3.9.7

FastAPI Version

0.84.0

Python Version

3.9.7

Additional Context

No response

[writeson]

@humrochagf Thanks for the detailed feedback. I’ll run down that path and see if I can get it working. I need to understand FastAPI, PyTest, and mocking better in general. 😃

[tiangolo]

Thanks for the help here everyone! 👏 🙇

Thanks for reporting back and closing the issue @writeson 👍