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https://github.com/ansible-community/pytest-molecule

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https://github.com/ansible-community/pytest-molecule

ansible ansible-devtools molecule pytest pytest-plugin

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README 

        
===============

Notice

===============



The functionality provided by this plugin has been merged into the pytest-ansible_ plugin.



Please switch to `pytest-ansible` for future updates.



===============

pytest-molecule

===============



.. image:: https://img.shields.io/pypi/v/pytest-molecule.svg

    :target: https://pypi.org/project/pytest-molecule

    :alt: PyPI version



.. image:: https://img.shields.io/pypi/pyversions/pytest-molecule.svg

    :target: https://pypi.org/project/pytest-molecule

    :alt: Python versions



.. image:: https://zuul-ci.org/gated.svg

    :target: https://dashboard.zuul.ansible.com/t/ansible/builds?project=pycontribs/selinux

    :alt: See Build Status on Zuul CI



.. image:: https://img.shields.io/badge/code%20style-black-000000.svg

    :target: https://github.com/python/black

    :alt: Python Black Code Style



PyTest Molecule Plugin :: auto detects and runs molecule tests



----



This plugin enables pytest discovery of all ``molecule.yml`` files inside the

codebase and runs them as pytest tests.



Once you install pytest-molecule you should be able to just run ``pytest`` in

order to run molecule on all roles and scenarios.



Optionally you can define ``MOLECULE_OPTS`` for passing extra parameters to

each molecule call.



Discovered tests do have molecule ``driver`` and ``platforms`` added as

markers_, so you can selectively limit which test types to run:



.. code-block:: shell



    # Lists all tests that uses docker

    $ pytest --collect-only -m docker



    # Runs scenarios with platform named centos7 and delegated driver:

    $ pytest -m delegated -m centos7



If the molecule scenario does not contain information about the driver, the

test associated with it gets a ``no_driver`` mark.



Please note that at this moment molecule will run the entire scenario if the

markers are platforms, this is not *yet* a way to limit which platforms are

executed inside a specific scenario.



All tests are added the ``molecule`` marker.



This plugin also adds a new pytest option named

``--molecule-unavailable-driver=skip`` which can be used to tell it what to do

when molecule drivers are not loading. Current default is ``None`` but you

can choose marks like ``skip`` or ``xfail``.



The plugin adds ``--skip-no-git-change`` option which an be used to skip tests

on unchanged roles according to ``git diff`` result and thus can only be used

only when running pytest inside a git repository. It takes one argument and old

refspec used as a reference. For instance calling:

``pytest --skip-no-git-change HEAD^`` will result in molecule of roles that

weren't changed in the last commit being skipped.



Using xfail and skip markers

----------------------------



If you need to skip or ignore a particular scenario, just add either ``xfail``

or ``skip`` to markers list inside its config file.



.. code-block:: yaml



    markers:

      - xfail  # broken scenario, pytest will run it but ignore the result



Installation

------------



You can install "pytest-molecule" via pip_ from PyPI_:



.. code-block:: shell



    $ PIP_NO_BUILD_ISOLATION=false pip install pytest-molecule



``PIP_NO_BUILD_ISOLATION`` is needed only on ancient python distributions to

workaround https://github.com/pypa/pip/issues/5229



Contributing

------------

Contributions are very welcome. Tests can be run with tox_, please ensure

the coverage at least stays the same before you submit a pull request.



License

-------



Distributed under the terms of the MIT_ license, "pytest-molecule" is free

and open source software



Issues

------



If you encounter any problems, please `file an issue`_ along with a detailed

description.



.. _`MIT`: http://opensource.org/licenses/MIT

.. _`file an issue`: https://github.com/pycontribs/pytest-molecule/issues

.. _`pytest`: https://github.com/pytest-dev/pytest

.. _`tox`: https://tox.readthedocs.io/en/latest/

.. _`pip`: https://pypi.org/project/pip/

.. _`PyPI`: https://pypi.org/project

.. _markers: http://doc.pytest.org/en/latest/example/markers.html

.. _pytest-ansible: https://github.com/ansible-community/pytest-ansible