Using Mock with python

[Hocinema]

Hello,

I need help to mock some Class/variable in python test. Here is the scenario:

app_client.py
class AppClient:
       
    def __init__(self):
        self.val = None
    
    def get_value(self, feature_eng):
....................................................

app_client_instance.py
from app_client import AppClient

app_client_instance = AppClient()
....................................................

from app_client_instance import app_client_instance

class FeatEng:

    @staticmethod
    def is_activ(feature_eng):
        client = app_client_instance
        value = client.get_value(feature_eng)
        return "true" == value
    
....................................................
unit test with magicMock

    def test_mockmag(self):
        client = MagicMock(spec=AppClient, name=AppClient)
        client.get_value.return_value = "false"
        instance = MagicMock(spec=app_client_instance)
        instance.app_client_instance.return_value = client
        result = FeatEng.is_activ("MIG_ENG")

I have a static class FeatEng importing a variable app_client_instance, this last creates an object of the AppClient class.
I want to mock app_client_instance and AppClient except FeatEng but it is not working. I don't know how to pass mocks to the FeatEng as no constructor on static class.

Have you a way to help?

Regards

Larz60+ write Oct-10-2021, 08:06 AM:
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