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from unittest.mock import MagicMock
import pytest
# we have to import the pytest plugin fixtures here,
# in case user did not yet `pip install ".[develop]"`,
# that installs the pytest plugin into the setuptools registry.
from celery.contrib.pytest import (celery_app, celery_config,
celery_enable_logging, celery_parameters,
depends_on_current_app, use_celery_app_trap)
from celery.contrib.testing.app import TestApp, Trap
# Tricks flake8 into silencing redefining fixtures warnings.
__all__ = (
'celery_app', 'celery_enable_logging', 'depends_on_current_app',
'celery_parameters', 'celery_config', 'use_celery_app_trap'
)
@pytest.fixture(scope='session', autouse=True)
def setup_default_app_trap():
from celery._state import set_default_app
set_default_app(Trap())
@pytest.fixture
def app(celery_app):
return celery_app
@pytest.fixture(autouse=True)
def test_cases_shortcuts(request, app, patching):
if request.instance:
@app.task
def add(x, y):
return x + y
# IMPORTANT: We set an .app attribute for every test case class.
request.instance.app = app
request.instance.Celery = TestApp
request.instance.add = add
request.instance.patching = patching
yield
if request.instance:
request.instance.app = None
@pytest.fixture
def patching(monkeypatch):
def _patching(attr):
monkeypatch.setattr(attr, MagicMock())
return _patching
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