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.. note::
This section of the documentation is currently being written. pip
developers welcome your help to complete this documentation. If
you're interested in helping out, please let us know in the
`tracking issue`_, or just submit a pull request and mention it in
that tracking issue.
.. _`tracking issue`: https://github.com/pypa/pip/issues/7279
======================
Continuous Integration
======================
Supported interpreters
======================
pip support a variety of Python interpreters:
- CPython 2.7
- CPython 3.5
- CPython 3.6
- CPython 3.7
- CPython 3.8
- Latest PyPy
- Latest PyPy3
on different operating systems:
- Linux
- Windows
- MacOS
and on different architectures:
- x64
- x86
so 42 hypothetical interpreters.
Checks
======
``pip`` CI runs different kind of tests:
- lint (defined in ``.pre-commit-config.yaml``)
- docs
- vendoring (is the ``src/_internal/_vendor`` directory cleanly vendored)
- unit tests (present in ``tests/unit``)
- "integration" tests (mostly present in ``tests/functional``)
- package (test the packaging steps)
Since lint, docs, vendoring and package tests only need to run on a pip
developer/contributor machine, they only need to be tested on the x64 variant
of the 3 different operating systems, and when an interpreter needs to be
specified it's ok to require the latest CPython interpreter.
So only unit tests and integration tests would need to be run with the different
interpreters.
Services
========
pip test suite and checks are distributed on three different platforms that
provides free executors for open source packages:
- `GitHub Actions`_ (Used for code quality and development tasks)
- `Azure DevOps CI`_ (Used for tests)
- `Travis CI`_ (Used for PyPy tests)
.. _`Travis CI`: https://travis-ci.org/
.. _`Azure DevOps CI`: https://azure.microsoft.com/en-us/services/devops/
.. _`GitHub Actions`: https://github.com/features/actions
Current run tests
=================
Developer tasks
---------------
======== =============== ================ ================== =============
OS docs lint vendoring packaging
======== =============== ================ ================== =============
Linux Travis, Github Travis, Github Travis, Github Azure
Windows Github Github Github Azure
MacOS Github Github Github Azure
======== =============== ================ ================== =============
Actual testing
--------------
+------------------------------+---------------+-----------------+
| **interpreter** | **unit** | **integration** |
+-----------+----------+-------+---------------+-----------------+
| | | CP2.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.5 | Azure | |
| | +-------+---------------+-----------------+
| | | CP3.6 | Azure | |
| | +-------+---------------+-----------------+
| | x86 | CP3.7 | Azure | |
| | +-------+---------------+-----------------+
| | | CP3.8 | Azure | |
| | +-------+---------------+-----------------+
| | | PyPy | | |
| | +-------+---------------+-----------------+
| | | PyPy3 | | |
| Windows +----------+-------+---------------+-----------------+
| | | CP2.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.5 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.6 | Azure | |
| | +-------+---------------+-----------------+
| | x64 | CP3.7 | Azure | |
| | +-------+---------------+-----------------+
| | | CP3.8 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | PyPy | | |
| | +-------+---------------+-----------------+
| | | PyPy3 | | |
+-----------+----------+-------+---------------+-----------------+
| | | CP2.7 | | |
| | +-------+---------------+-----------------+
| | | CP3.5 | | |
| | +-------+---------------+-----------------+
| | | CP3.6 | | |
| | +-------+---------------+-----------------+
| | x86 | CP3.7 | | |
| | +-------+---------------+-----------------+
| | | CP3.8 | | |
| | +-------+---------------+-----------------+
| | | PyPy | | |
| | +-------+---------------+-----------------+
| | | PyPy3 | | |
| Linux +----------+-------+---------------+-----------------+
| | | CP2.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.5 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.6 | Azure | Azure |
| | +-------+---------------+-----------------+
| | x64 | CP3.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.8 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | PyPy | Travis | Travis |
| | +-------+---------------+-----------------+
| | | PyPy3 | Travis | Travis |
+-----------+----------+-------+---------------+-----------------+
| | | CP2.7 | | |
| | +-------+---------------+-----------------+
| | | CP3.5 | | |
| | +-------+---------------+-----------------+
| | | CP3.6 | | |
| | +-------+---------------+-----------------+
| | x86 | CP3.7 | | |
| | +-------+---------------+-----------------+
| | | CP3.8 | | |
| | +-------+---------------+-----------------+
| | | PyPy | | |
| | +-------+---------------+-----------------+
| | | PyPy3 | | |
| MacOS +----------+-------+---------------+-----------------+
| | | CP2.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.5 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.6 | Azure | Azure |
| | +-------+---------------+-----------------+
| | x64 | CP3.7 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | CP3.8 | Azure | Azure |
| | +-------+---------------+-----------------+
| | | PyPy | | |
| | +-------+---------------+-----------------+
| | | PyPy3 | | |
+-----------+----------+-------+---------------+-----------------+
|
