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