Change celery.py, settings.py, requirements-common.txt test_views.py

- Add ping task in celery.py
- Add celery result backend in settings.py
- Add celery related packages in common requirements
- Add celery worker in regrade test class to run the worker with the test

1 files changed, 6 insertions, 0 deletions

diff --git a/online_test/celery.py b/online_test/celery.py
index 582f8a1..ac6e395 100644
--- a/online_test/celery.py
+++ b/online_test/celery.py
@@ -17,3 +17,9 @@ app.config_from_object('django.conf:settings', namespace='CELERY')
 
 # Load task modules from all registered Django app configs.
 app.autodiscover_tasks(lambda: settings.INSTALLED_APPS)
+
+@app.task(name='celery.ping')
+def ping():
+    # type: () -> str
+    """Simple task that just returns 'pong'."""
+    return 'pong'
\ No newline at end of file