Re: Need to connect to django test database from out side of django(celery worker)

Thanks. I didn't think of this. That should be doable. 

Will try that.

On Tuesday, June 27, 2017 at 12:07:45 PM UTC-7, Avraham Serour wrote:

> how do I get the work process, which tries to access the data model, to talk to the "test" database

The same way django has a settings.py file I believe your celery worker should also have something similar.

When starting the worker you should tell it to use test_settings.py instead of settings.py

You should create a special settings file to use for tests which will point to the test database

Be sure the worker and the django test runner are pointed to the same database, the django test runner creates and drops a database for the tests

https://docs.djangoproject.com/en/1.11/topics/testing/overview/#the-test-database

On Mon, Jun 26, 2017 at 9:57 PM, sarvi <sarv...@gmail.com> wrote:

The problem is not where I start the worker. 

You are absolutely right, i can start in the setup code as well and am fine with doign that.

My problem, is wherever I start the work process, how do I get the work process, which tries to access the data model, to talk to the "test" database.

When I start the work process it automatically talks to the "default" database, not the test database, that was created/connected to by the django testing code.

On Monday, June 26, 2017 at 9:42:50 AM UTC-7, Avraham Serour wrote:

I don't think you need to create a custom TestRunner, I believe it would be enough to use setUp and tearDown to start and stop an external process, which in your case would be a celery worker

Would that work for you?

On Mon, Jun 26, 2017 at 6:19 PM, sarvi <sarv...@gmail.com> wrote:

anybody have any suggestions on how I can do this?

I essentially  want a worker process to connect to the django test database ?

On Thursday, June 22, 2017 at 11:56:41 AM UTC-7, sarvi wrote:

I do have and use eager = True for local developer testing, environment.

And I have been able to write test cases and they work in eager mode, fine.

However, I do have a CI test environment, where I would like to be able to run these same test suites with real asynchronous worker processes.

To make sure there are no problems when running them in a real world distributed model a Implements well.

So What I am trying to do is to create my own custom Django Test Runner that

   1. Lets the regular django test runner create/setup the test database

   2. Start the Celery worker and have it talk to the same test database.

I am having a very tough time finding a way to do this.

The closest answer I found was

https://stackoverflow.com/questions/42058295/make-celery-use-djangos-test-database-without-task-always-eager

But couldn't figure out how to implement/do the Advanced: Step 3 that is suggested there. 

On Thursday, June 22, 2017 at 11:44:23 AM UTC-7, Avraham Serour wrote:

Any special reason you are not using eager=true for celery under test?

On Jun 22, 2017 7:17 PM, "sarvi" <sarv...@gmail.com> wrote:

Can someone help me with how can I get my celery worker process(standalone app outside of djanog) to talk to a django test database ?

I am trying to test a celery/django app.

I plan on starting the celery worker process with a custom TestRunner.

So that the worker process starts after the django test runner has created the test database.

DATABASES = {

    'default': {

        'ENGINE': 'django.db.backends.oracle',

        ..............

        'TEST': {

            'USER': WIT_TEST_DB_USER,

            'PASSWORD': WIT_TEST_DB_USER,

        }

    }

}

How can I setup the celery app environment so that when the tasks access the the app.models.X, they are talk to the "test" database.

Thanks,

Sarvi

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