test_ok2/doc/en/index.rst

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.. _features:
pytest: helps you write better programs
=======================================
The ``pytest`` framework makes it easy to write small tests, yet
scales to support complex functional testing for applications and libraries.
An example of a simple test:
.. code-block:: python
# content of test_sample.py
def inc(x):
return x + 1
def test_answer():
assert inc(3) == 5
To execute it:
.. code-block:: pytest
$ pytest
=========================== test session starts ============================
platform linux -- Python 3.x.y, pytest-5.x.y, py-1.x.y, pluggy-0.x.y
cachedir: $PYTHON_PREFIX/.pytest_cache
rootdir: $REGENDOC_TMPDIR
collected 1 item
test_sample.py F [100%]
================================= FAILURES =================================
_______________________________ test_answer ________________________________
def test_answer():
> assert inc(3) == 5
E assert 4 == 5
E + where 4 = inc(3)
test_sample.py:6: AssertionError
============================ 1 failed in 0.12s =============================
Due to ``pytest``'s detailed assertion introspection, only plain ``assert`` statements are used.
See :ref:`Getting Started <getstarted>` for more examples.
Features
--------
- Detailed info on failing :ref:`assert statements <assert>` (no need to remember ``self.assert*`` names);
- :ref:`Auto-discovery <test discovery>` of test modules and functions;
- :ref:`Modular fixtures <fixture>` for managing small or parametrized long-lived test resources;
- Can run :ref:`unittest <unittest>` (including trial) and :ref:`nose <noseintegration>` test suites out of the box;
- Python 3.5+ and PyPy 3;
- Rich plugin architecture, with over 315+ `external plugins <http://plugincompat.herokuapp.com>`_ and thriving community;
Documentation
-------------
Please see :ref:`Contents <toc>` for full documentation, including installation, tutorials and PDF documents.
Bugs/Requests
-------------
Please use the `GitHub issue tracker <https://github.com/pytest-dev/pytest/issues>`_ to submit bugs or request features.
Changelog
---------
Consult the :ref:`Changelog <changelog>` page for fixes and enhancements of each version.
Support pytest
--------------
`Open Collective`_ is an online funding platform for open and transparent communities.
It provide tools to raise money and share your finances in full transparency.
It is the platform of choice for individuals and companies that want to make one-time or
monthly donations directly to the project.
See more details in the `pytest collective`_.
.. _Open Collective: https://opencollective.com
.. _pytest collective: https://opencollective.com/pytest
pytest for enterprise
---------------------
Available as part of the Tidelift Subscription.
The maintainers of pytest and thousands of other packages are working with Tidelift to deliver commercial support and
maintenance for the open source dependencies you use to build your applications.
Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use.
`Learn more. <https://tidelift.com/subscription/pkg/pypi-pytest?utm_source=pypi-pytest&utm_medium=referral&utm_campaign=enterprise&utm_term=repo>`_
Security
^^^^^^^^
pytest has never been associated with a security vulnerability, but in any case, to report a
security vulnerability please use the `Tidelift security contact <https://tidelift.com/security>`_.
Tidelift will coordinate the fix and disclosure.
License
-------
Copyright Holger Krekel and others, 2004-2020.
Distributed under the terms of the `MIT`_ license, pytest is free and open source software.
.. _`MIT`: https://github.com/pytest-dev/pytest/blob/master/LICENSE