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Use BATS for image testing - #802
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Switches testing to the BATS testing framework: https://github.com/bats-core/bats-core
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@nodejs/docker This good to merge now? |
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I would say so! |
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The next step would be the integration the tests with Travis CI? |
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What do you mean? |
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I guess we could also use BATS to test our shell scripts, to prevent some regression issues, and make sure the behavior. |
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Sure! |
BATS was initially added to this repository in nodejs#802, but was then removed in nodejs#1339. This adds it back, and hooks it up to Github Actions.
BATS was initially added to this repository in nodejs#802, but was then removed in nodejs#1339. This adds it back, and hooks it up to Github Actions. This also fixes nodejs#1583, which happened due to a bug in the "Build image" step: the build context was set to the root project directory, which meant the `COPY docker-entrypoint.sh /usr/local/bin/` instruction was copying the base `docker-entrypoint.sh` file into the Docker image instead of the one in the variant directory. Changing the context to the variant directory solves that.
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This switches the current tests to the BATS testing framework:
https://github.com/bats-core/bats-core
Longer term this will allow us to add more sophisticated tests for the images using a TAP-compliant testing framework. Eventually we can start introducing some more basic tests for Node as well as npm and yarn. The Travis-Ci build instances have BATS preinstalled and it defaults to showing the results in TAP format, which might be useful.
I've been wanting to do this for a while but it wasn't until I was working on a proposal/branch for the "core" variant (the node image without yarn or npm) that I decided to finally take this on. I needed a way to skip the npm and yarn tests for the "core" image which meant I would have to make significant changes to the current
test-image.shapproach. Given the effort involved to do that, it seemed like a good opportunity to try BATS since it already provides a way to skip tests conditionally: https://github.com/bats-core/bats-core#skip-easily-skip-testsAlso note that in this PR I'm changing how we run the tests. Previously the tests were run by mounting the
test-image.shscript in the target container. In order to work with the Alpine image each test is now run as a part of adocker runcommand. I also did a bit of refactoring and added some new functions.