pytest 0 travis-ci python

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

2 years after MIT

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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::

$ pytest
============================= test session starts =============================
collected 1 items

test_sample.py F

================================== FAILURES ===================================
_________________________________ test_answer _________________________________

    def test_answer():
>       assert inc(3) == 5
E       assert 4 == 5
E        +  where 4 = inc(3)

test_sample.py:5: AssertionError
========================== 1 failed in 0.04 seconds ===========================

Due to pytest's detailed assertion introspection, only plain assert statements are used. See getting-started <http://docs.pytest.org/en/latest/getting-started.html#our-first-test-run>_ for more examples.

Features

  • Detailed info on failing assert statements <http://docs.pytest.org/en/latest/assert.html>_ (no need to remember self.assert* names);

  • Auto-discovery <http://docs.pytest.org/en/latest/goodpractices.html#python-test-discovery>_ of test modules and functions;

  • Modular fixtures <http://docs.pytest.org/en/latest/fixture.html>_ for managing small or parametrized long-lived test resources;

  • Can run unittest <http://docs.pytest.org/en/latest/unittest.html> (or trial), nose <http://docs.pytest.org/en/latest/nose.html> test suites out of the box;

  • Python2.6+, Python3.3+, PyPy-2.3, Jython-2.5 (untested);

  • Rich plugin architecture, with over 150+ external plugins <http://docs.pytest.org/en/latest/plugins.html#installing-external-plugins-searching>_ and thriving community;

Documentation

For full documentation, including installation, tutorials and PDF documents, please see http://docs.pytest.org.

Bugs/Requests

Please use the GitHub issue tracker <https://github.com/pytest-dev/pytest/issues>_ to submit bugs or request features.

Changelog

Consult the Changelog <http://docs.pytest.org/en/latest/changelog.html>__ page for fixes and enhancements of each version.

License

Copyright Holger Krekel and others, 2004-2016.

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

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