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Merge pull request #15152 from backstage/rugvip/coverage-config

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cli: fix coverage configuration and make next tests the new default
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Patrik Oldsberg
2022-12-10 15:16:47 +01:00
committed by GitHub
parent dfd57a9a1d 736f893f72
commit b586504966
7 changed files with 34 additions and 83 deletions
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.changeset/fast-walls-explode.md
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'@backstage/cli': patch
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Updated Jest coverage configuration to only apply either in the root project or package configuration, depending on whether repo or package tests are run.
.changeset/neat-insects-share.md
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'@backstage/cli': minor
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The Jest configuration that was previously enabled with `BACKSTAGE_NEXT_TESTS` is now enabled by default. To revert to the old configuration you can now instead set `BACKSTAGE_OLD_TESTS`.
This new configuration uses the `babel` coverage provider rather than `v8`. It used to be that `v8` worked better when using Sucrase for transpilation, but now that we have switched to SWC, `babel` seems to work better. In addition, the new configuration also enables source maps by default, as they no longer have a negative impact on code coverage accuracy, and it also enables a modified Jest runtime with additional caching of script objects.