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Scap is the deployment script used by Wikimedia Foundation to publish code and configuration on production web servers.

Running tests

Automated tests can be executed with make test or tox -e test.

For a list of Scap dependencies during testing, see requirements.txt and test-requirements.txt. Some Debian packages are also required to set up the running environment, for instance to install Python or pip.

To ensure compatiblity with multiple Debian distributions, we use Docker images defined using Blubber (see .pipeline/blubber.yaml). The image build installs the runtime dependencies from Debian packages while tests dependencies defined in test-requirements.txt are installed via pip. This lets us use ensure we run with the same set of Python module provided by Debian while using more recent versions of testing utilities than the one frozen by Debian (ex: pytest) and ensure we use the same version of flake8 regardless of the Debian distribution version.

To generate the container images and run tests in each of them, we provide a Makefile. To run tests against the default Debian distribution (defined by DEFAULT_VARIANT' in `Makefile'), use `make test. To run all tests against all supported Debian distributions use make test-all. To run tests against a specific supported Debian distribution, use make test-<distro>, for example make test-bullseye.

The test* targets build the images using the Blubberfile syntax <https://wikitech.wikimedia.org/wiki/Blubber/User_Guide#Blubberfiles> using Blubber buildkit <docker-registry.wikimedia.org/repos/releng/blubber/buildkit>. The blubberfile is configured to run tests using tox at image build time.

The Wikimedia CI builds those images in a similar way and runs the same tests.

To build all images without running tests, use make images, useful when amending the Blubber config or changing dependencies.

Reporting Issues

You can report issues to the #scap project on phabricator.wikimedia.org

Credits

ASCII art derived from original work by Joan Stark [1] and the speed figlet font [2].

[1]http://www.oocities.com/spunk1111/farm.htm#pig
[2]http://www.jave.de/figlet/fonts/details/speed.html

License

Copyright 2014-2024 Wikimedia Foundation & Contributors.

Scap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3.

Scap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.