How to test api.exception_handler about django-ninja HOT 1 CLOSED

# apps.common.api.errors
from django.core.exceptions import ValidationError
from ninja import NinjaAPI


def get_validation_error_handler(api: NinjaAPI):
    def handle(request, exc: ValidationError):
        error = "Validation Error"

        error_data = {"message": error, "errors": exc.error_list}

        return api.create_response(request, error_data, status=400)

    return (handle, ValidationError)


def get_exception_handler(api: NinjaAPI):
    def handle(request, exc: Exception):
        error_data = {"message": str(exc)}
        return api.create_response(request, error_data, status=500)

    return (handle, Exception)


EXCEPTION_HANDLERS = [get_validation_error_handler, get_exception_handler]


def add_exception_handlers(api: NinjaAPI):
    for handler in EXCEPTION_HANDLERS:
        handler_func, exc = handler(api)
        api.add_exception_handler(handler=handler_func, exc_class=exc)

# apps.common.test_client
'''
   This is mixin file for testing
''' 
from django.conf import settings
from ninja import NinjaAPI, Router
from ninja.testing import TestClient
from apps.common.api.errors import add_exception_handlers


class BaseNinjaTestCase(object):
    @classmethod
    def setup_client(cls, router: Router):
        settings.DEBUG = True
        settings.IN_TEST = True

        cls.api_client = TestClient(router)

       ''' 
          https://github.com/vitalik/django-ninja/blob/c6d44b62a180fcf8ddfd73d67e0274a77b9d30ae/ninja/testing/client.py#L94-L95
          when we in test we not having urls, so it recreates api instance without attached handlers
       '''
        _ = cls.api_client.urls
       
        # add handlers
        add_exception_handlers(cls.api_client.router_or_app.api)

# example test file
from apps.common.test_client import BaseNinjaTestCase
from apps.sheets.operations.api import router

class TestOperationsApi(TestCase, BaseNinjaTestCase):
    @classmethod
    def setUpTestData(cls):
        cls.setup_client(router)