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Write and run tests

There are two types of tests in pulpcore and in the plugins:

  1. Unittests are meant to test the interface of a specific unit utilizing a test database.
  2. Functional tests are meant to test certain workflows utilizing a running instance of pulp.

A pull request that has failing unit or functional tests cannot be merged.

Unit Tests

New code is encouraged to have basic unit tests that demonstrate that units (function, method or class instance) are working correctly.

The unit tests for pulpcore are in pulpcore/tests.

Functional Tests

Functional tests verify a specific feature. In general functional tests tend to answer the question "As an user can I do this?"

It is highly encouraged to accompany new features with functional tests in pulpcore/functional.

Only the tests for features related to pulpcore should live in this repository.

Functional tests for features related to a specific plugin should live in the plugin repository itself. For example:

Prerequisites for running tests

If you want to run the functional tests, you need a running Pulp instance that is allowed to be mixed up by the tests (in other words, running the tests on a production instance is not recommended). For example, using the development vm (see DevSetup), this can be accomplished by workon pulp; pulpcore-manager runserver 24817. The pulpcore-manager command is manage.py configured with the DJANGO_SETTINGS_MODULE="pulpcore.app.settings".

Running tests

In case pulp is installed in a virtual environment, activate it first (workon pulp).

All tests of a plugin (or pulpcore itself) are run with pulpcore-manager test <plugin_name>. This involves setting up (and tearing down) the test database, however the functional tests are still performed against the configured pulp instance with its production database.

To only perform the unittests, you can skip the prerequisites and call pulpcore-manager test <plugin_name>.tests.unit.

If you are only interested in functional tests, you can skip the creation of the test database by using pytest <path_to_plugin>/<plugin_name>/tests/functional.

Note

Make sure, the task runners are actually running. In doubt, run prestart or systemctl restart pulpcore-worker@*.

Note

You can be more specific on which tests to run by calling something like pulpcore-manager test pulp_file.tests.unit.test_models or py.test <path_to_plugin>/<plugin_name>/tests/functional/api/test_sync.py.

Environment variables

The following environment variables can be set to adjust the API configuration for functional tests:

  • API_PROTOCOL (default: "https")
  • API_HOST (default: "pulp")
  • API_PORT (default: "443")
  • ADMIN_USERNAME (default: "admin"),
  • ADMIN_PASSWORD (default: "password")

Contributing to tests

A new version of Pulp will only be released when all unit and functional tests are passing.

Contributing test is a great way to ensure that your workflows never regress.