Python pytest cases for async and await method

Question

I am trying to write pytest for the following async, await methods but I am getting nowhere.

   class UserDb(object):
    async def add_user_info(self,userInfo):
      return await self.post_route(route='users',json=userInfo)

    async def post_route(self,route=None,json=None,params=None):
      uri = self.uri + route if route else self.uri      
      async with self.client.post(uri,json=json,params=params) as resp:            
      assert resp.status == 200
      return await resp.json()

Can someone help me with this? TIA

are you using aiohttp?

Amin Etesamian
– Amin Etesamian

2017-08-29 16:44:10 +00:00
Commented Aug 29, 2017 at 16:44 — Amin Etesamian
– Amin Etesamian, Commented Aug 29, 2017 at 16:44
@Juggernaut : yes, I am using aiohttp.

lanchana gupta
– lanchana gupta

2017-08-29 16:45:41 +00:00
Commented Aug 29, 2017 at 16:45 — lanchana gupta
– lanchana gupta, Commented Aug 29, 2017 at 16:45

Amin Etesamian · Accepted Answer · 2017-08-29 16:53:35Z

8

pip install pytest-aiohttp, then create a fixture like this

from pytest import fixture

def make_app():
    app = Application()
    # Config your app here
    return app

@fixture
def test_fixture(loop, test_client):
    """Test fixture to be used in test cases"""
    app = make_app()
    return loop.run_until_complete(test_client(app))

Now write your tests

f = test_fixture

async def test_add_user_info(f):
    resp = await f.get('/')
    assert resp.status == 200
    assert await resp.json() == {'some_key': 'some_value'}

Also I noticed your add_user_info coroutine isn't returning anything. More info is here

answered Aug 29, 2017 at 16:53

Amin Etesamian

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3 Comments

lanchana gupta Over a year ago

I am a beginner to pytest. can you give me more information about configuring the app and test fixtures?

Amin Etesamian Over a year ago

configuration is optional. it consist of adding middle-wares like session management or db configuration management. Simply create your test cases and use test_fixture as an argument for you testcase. like the one I put in the answer. and run py.test test_module.py in your terminal.

lanchana gupta Over a year ago

got it. Thank you so much :)

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