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django-docker-box

This is now part of the official Django organization. Please use https://github.com/django/django-docker-box.

Build Status

Run the django test suite across multiple databases.

Inspired by django-box this project contains some compose definitions to quickly run the Django test suite across multiple Python and database versions, including Oracle.

Quickstart

Clone this repository somewhere. Also make sure you have docker and docker-compose installed.

Ensure that the DJANGO_PATH variable points to the root of the Django repo:

export DJANGO_PATH=~/projects/django/

If you see a docker-compose warning about it not being defined followed by an error ensure that is defined in the shell you are using.

You can now either download the latest image used on the CI servers with the dependencies pre-installed:

docker-compose pull sqlite

Or build it yourself:

docker-compose build sqlite

Then simply run:

docker-compose run --rm sqlite

All arguments are passed to runtests.py. Before they are run all specific dependencies are installed (and cached across runs).

Different databases

Simply substitute sqlite for any supported database:

docker-compose run --rm postgres [args]

docker-compose run --rm mysql [args]

docker-compose run --rm mariadb [args]

And if you're a madman you can run all the tests for all databases in parallel:

docker-compose up

Database versions

You can customize the version of the database you test against by changing the appropriate [db]_VERSION environment variable. See the Configuration section below for the available options and their defaults.

Different Python versions

The PYTHON_VERSION environment variable customizes which version of Python you are running the tests against. e.g:

PYTHON_VERSION=3.7 docker-compose run --rm sqlite

You can also pull the pre-built image in the same way:

PYTHON_VERSION=3.7 docker-compose pull sqlite

Oracle

As usual Oracle is a bit more complex to set up. You need to download the latest instantclient zip file from this page and place it inside the ./oracle directory. Ensure only one .zip file is present.

The database image is quite large (several gigabytes) and takes a fairly long time to initialise (5-10 minutes). Once it has initialised subsequent starts should be very quick. To begin this process run:

docker-compose run oracle-db

And wait for it to initialize. Once it has, use ctrl+c to terminate it and execute:

docker-compose run --rm oracle

To run the test suite against it. All other databases support different versions, however Oracle does not.

Utilities

To run the docs spellchecker:

docker-compose run --rm docs

Or flake8:

docker-compose run --rm flake8

To enter a bash shell within the container, run:

docker-compose run --rm --entrypoint bash [database]

Configuration

Environment Variable Default Description
DJANGO_PATH None The path to the Django codebase on your local machine
PYTHON_VERSION 3.6 The python version to run tests against
POSTGRES_VERSION 9.6 The version of Postgres to use
MYSQL_VERSION 8 The mysql version to use
MARIADB_VERSION 10.3 The mariadb version to use

Why?

I prefer using docker over Vagrant and virtualbox, which is what django-box uses. I think this approach is also simpler to quickly change the various database/python versions the test suite runs across. However both approaches work, so use whatever floats your boat.