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| <h1 id="generating-test-resources">Generating test resources</h1> |
| |
| <h2 id="background">Background</h2> |
| |
| <p>The Aurora source repository and distributions contain several |
| <a href="https://github.com/apache/aurora/blob/#{git_tag}/src/test/resources/org/apache/thermos/root/checkpoints">binary files</a>) to |
| qualify the backwards-compatibility of thermos with checkpoint data. Since |
| thermos persists state to disk, to be read by the thermos observer), it is important that we have |
| tests that prevent regressions affecting the ability to parse previously-written data.</p> |
| |
| <h2 id="generating-test-files">Generating test files</h2> |
| |
| <p>The files included represent persisted checkpoints that exercise different |
| features of thermos. The existing files should not be modified unless |
| we are accepting backwards incompatibility, such as with a major release.</p> |
| |
| <p>It is not practical to write source code to generate these files on the fly, |
| as source would be vulnerable to drift (e.g. due to refactoring) in ways |
| that would undermine the goal of ensuring backwards compatibility.</p> |
| |
| <p>The most common reason to add a new checkpoint file would be to provide |
| coverage for new thermos features that alter the data format. This is |
| accomplished by writing and running a |
| <a href="/documentation/0.9.0/configuration-reference/">job configuration</a> that exercises the feature, and |
| copying the checkpoint file from the sandbox directory, by default this is |
| <code>/var/run/thermos/checkpoints/<aurora task id></code>.</p> |
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| <p class="disclaimer">© 2014-2017 <a href="http://www.apache.org/">Apache Software Foundation</a>. Licensed under the <a href="http://www.apache.org/licenses/">Apache License v2.0</a>. The <a href="https://www.flickr.com/photos/trondk/12706051375/">Aurora Borealis IX photo</a> displayed on the homepage is available under a <a href="https://creativecommons.org/licenses/by-nc-nd/2.0/">Creative Commons BY-NC-ND 2.0 license</a>. Apache, Apache Aurora, and the Apache feather logo are trademarks of The Apache Software Foundation.</p> |
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