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Sanity Tests » integration-aliases
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==================================
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Integration tests are executed by ``ansible-test`` and reside in directories under ``test/integration/targets/``.
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Each test MUST have an ``aliases`` file to control test execution.
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Aliases are explained in the following sections. Each alias must be on a separate line in an ``aliases`` file.
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Groups
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------
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Tests must be configured to run in exactly one group. This is done by adding the appropriate group to the ``aliases`` file.
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The following are examples of some of the available groups:
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- ``shippable/posix/group1``
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- ``shippable/windows/group2``
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- ``shippable/azure/group3``
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- ``shippable/aws/group1``
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- ``shippable/cloud/group1``
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Groups are used to balance tests across multiple CI jobs to minimize test run time.
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They also improve efficiency by keeping tests with similar requirements running together.
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When selecting a group for a new test, use the same group as existing tests similar to the one being added.
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If more than one group is available, select one randomly.
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Setup
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-----
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Aliases can be used to execute setup targets before running tests:
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- ``setup/once/TARGET`` - Run the target ``TARGET`` before the first target that requires it.
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- ``setup/always/TARGET`` - Run the target ``TARGET`` before each target that requires it.
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Requirements
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------------
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Aliases can be used to express some test requirements:
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- ``needs/privileged`` - Requires ``--docker-privileged`` when running tests with ``--docker``.
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- ``needs/root`` - Requires running tests as ``root`` or with ``--docker``.
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- ``needs/ssh`` - Requires SSH connections to localhost (or the test container with ``--docker``) without a password.
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- ``needs/httptester`` - Requires use of the http-test-container to run tests.
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Dependencies
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------------
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Some test dependencies are automatically discovered:
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- Ansible role dependencies defined in ``meta/main.yml`` files.
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- Setup targets defined with ``setup/*`` aliases.
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- Symbolic links from one target to a file in another target.
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Aliases can be used to declare dependencies that are not handled automatically:
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- ``needs/target/TARGET`` - Requires use of the test target ``TARGET``.
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- ``needs/file/PATH`` - Requires use of the file ``PATH`` relative to the git root.
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Skipping
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--------
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Aliases can be used to skip platforms using one of the following:
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- ``skip/freebsd`` - Skip tests on FreeBSD.
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- ``skip/osx`` - Skip tests on macOS.
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- ``skip/rhel`` - Skip tests on RHEL.
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- ``skip/docker`` - Skip tests when running in a Docker container.
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Platform versions, as specified using the ``--remote`` option with ``/`` removed, can also be skipped:
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- ``skip/freebsd11.1`` - Skip tests on FreeBSD 11.1.
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- ``skip/rhel7.6`` - Skip tests on RHEL 7.6.
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Aliases can be used to skip Python major versions using one of the following:
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- ``skip/python2`` - Skip tests on Python 2.x.
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- ``skip/python3`` - Skip tests on Python 3.x.
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For more fine grained skipping, use conditionals in integration test playbooks, such as:
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.. code-block:: yaml
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when: ansible_distribution in ('Ubuntu')
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Miscellaneous
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-------------
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There are several other aliases available as well:
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- ``destructive`` - Requires ``--allow-destructive`` to run without ``--docker`` or ``--remote``.
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- ``hidden`` - Target is ignored. Usable as a dependency. Automatic for ``setup_`` and ``prepare_`` prefixed targets.
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Unstable
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--------
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Tests which fail sometimes should be marked with the ``unstable`` alias until the instability has been fixed.
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These tests will continue to run for pull requests which modify the test or the module under test.
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This avoids unnecessary test failures for other pull requests, as well as tests on merge runs and nightly CI jobs.
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There are two ways to run unstable tests manually:
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- Use the ``--allow-unstable`` option for ``ansible-test``
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- Prefix the test name with ``unstable/`` when passing it to ``ansible-test``.
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Tests will be marked as unstable by a member of the Ansible Core Team.
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GitHub issues_ will be created to track each unstable test.
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Disabled
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--------
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Tests which always fail should be marked with the ``disabled`` alias until they can be fixed.
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Disabled tests are automatically skipped.
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There are two ways to run disabled tests manually:
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- Use the ``--allow-disabled`` option for ``ansible-test``
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- Prefix the test name with ``disabled/`` when passing it to ``ansible-test``.
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Tests will be marked as disabled by a member of the Ansible Core Team.
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GitHub issues_ will be created to track each disabled test.
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Unsupported
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-----------
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Tests which cannot be run in CI should be marked with the ``unsupported`` alias.
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Most tests can be supported through the use of simulators and/or cloud plugins.
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However, if that is not possible then marking a test as unsupported will prevent it from running in CI.
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There are two ways to run unsupported tests manually:
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* Use the ``--allow-unsupported`` option for ``ansible-test``
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* Prefix the test name with ``unsupported/`` when passing it to ``ansible-test``.
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Tests will be marked as unsupported by the contributor of the test.
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Cloud
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-----
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Tests for cloud services and other modules that require access to external APIs usually require special support for testing in CI.
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These require an additional alias to indicate the required test plugin.
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Some of the available aliases are:
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- ``cloud/aws``
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- ``cloud/azure``
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- ``cloud/cs``
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- ``cloud/foreman``
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- ``cloud/openshift``
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- ``cloud/tower``
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- ``cloud/vcenter``
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Untested
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--------
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Every module and plugin should have integration tests, even if the tests cannot be run in CI.
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Issues
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------
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Tests that are marked as unstable_ or disabled_ will have an issue created to track the status of the test.
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Each issue will be assigned to one of the following projects:
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- `AWS <https://github.com/ansible/ansible/projects/21>`_
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- `Azure <https://github.com/ansible/ansible/projects/22>`_
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- `Windows <https://github.com/ansible/ansible/projects/23>`_
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- `General <https://github.com/ansible/ansible/projects/25>`_
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Questions
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---------
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For questions about integration tests reach out to @mattclay or @gundalow on GitHub or ``#ansible-devel`` on IRC.
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