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diff --git a/docs/developer/testing-nfvbench.rst b/docs/developer/testing-nfvbench.rst new file mode 100644 index 0000000..fd6c6f7 --- /dev/null +++ b/docs/developer/testing-nfvbench.rst @@ -0,0 +1,91 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International License. +.. SPDX-License-Identifier: CC-BY-4.0 + +================ +Testing NFVbench +================ + +tox +=== + +NFVbench project uses `tox`_ to orchestrate the testing of the code base: + +* run unit tests +* check code style +* run linter +* check links in the docs + +In addition to testing, tox is also used to generate the documentation in HTML +format. + +What tox should do is specified in a ``tox.ini`` file located at the project root. + +tox is used in continuous integration: all the actions performed by tox must +succeed before a patchset can be merged. As a developer, it is also useful to +run tox locally to detect and fix the issues before pushing the code for review. + +.. _tox: https://tox.wiki/en/latest/ + + + +Using tox on a developer's machine +================================== + +Requirement: |python-version| +----------------------------- + +.. |python-version| replace:: Python 3.8 + +The current version of Python used by NFVbench is |python-version|. In +particular, this means that |python-version| is used: + +* by tox in CI +* in nfvbench Docker image +* in nfvbench traffic generator VM image + +|python-version| is needed to be able to run tox locally. If it is not +available through the package manager, it can be installed using `pyenv`_. In +that case, it will also be necessary to install the `pyenv-virtualenv`_ plugin. +Refer to the documentation of those projects for installation instructions. + +.. _pyenv: https://github.com/pyenv/pyenv +.. _pyenv-virtualenv: https://github.com/pyenv/pyenv-virtualenv + + +tox installation +---------------- + +Install tox with:: + + $ pip install tox==3.21.4 + +.. note:: tox 3.21.4 is the version that comes with Ubuntu 22.04 and that can be + found on gerrit.opnfv.org build servers. + + +Running tox +----------- + +In nfvbench root directory, simply run tox with:: + + $ tox + +If all goes well, tox shows a green summary such as:: + + py38: commands succeeded + pep8: commands succeeded + lint: commands succeeded + docs: commands succeeded + docs-linkcheck: commands succeeded + congratulations :) + +It is possible to run only a subset of tox *environments* with the ``-e`` +command line option. For instance, to check the code style only, do:: + + $ tox -e pep8 + +Each tox *environment* uses a dedicated python virtual environment. The +``-r`` command line option can be used to force the recreation of the virtual +environment(s). For instance:: + + $ tox -r |