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fix: Control no diff message color with diff options #9997

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merged 1 commit into from May 7, 2020

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alistairjcbrown
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Summary

snapshot-diff has been updated to make use of jest-diff options for no colors, as provided in the documentation. Unfortunately, the "no visual differences" message is still output with chalk.dim and doesn't make use of the options for no colors - this means that some snapshot diffs are now outputting ansi escape codes.

This PR updates the NO_DIFF_MESSAGE and SIMILAR_MESSAGE messages to use the commonColor value from the diff options, which defaults to chalk.dim, but can now be overridden by the user.

Test plan

  • The existing test continue to work as expected
  • A new test has been added to confirm that when commonColor is set to noColor (identity), no ansi escape codes are output
  • A new test has been added to confirm that when commonColor is set to chalk.yellow, the NO_DIFF_MESSAGE is correctly set as yellow

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@SimenB SimenB left a comment

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Thanks! Could you update the changelog as well?

@alistairjcbrown
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@SimenB Thanks! Updated changelog 👍

@SimenB SimenB requested a review from pedrottimark May 7, 2020 17:05
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@thymikee thymikee left a comment

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👍

@thymikee thymikee merged commit 6b24ff1 into jestjs:master May 7, 2020
@alistairjcbrown alistairjcbrown deleted the fix/control-no-diff-color branch May 7, 2020 17:35
jeysal added a commit to jeysal/jest that referenced this pull request May 25, 2020
…esolve-outside

* upstream/master: (106 commits)
  docs: fix jest-diff example (jestjs#10067)
  Cleanup `displayName` type (jestjs#10049)
  docs: correct confusing filename in `enableAutomock` example (jestjs#10055)
  chore: minor optimize getTransformer (jestjs#10050)
  chore: fix TestUtils.ts to match the types (jestjs#10034)
  Minor test name typo fix (jestjs#10033)
  chore: upgrade to typescript 3.9 (jestjs#10031)
  feat: CLI argument to filter tests by projects (jestjs#8612)
  chore: bump `istanbul-lib-instrument` (jestjs#10009)
  feat: support config files exporting (`async`) `function`s (jestjs#10001)
  fix: add missing haste-map dep to jest-snapshot (jestjs#10008)
  🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉 (jestjs#10000)
  Fix typo in dependency warning (jestjs#10006)
  chore: add missing comma (jestjs#9999)
  fix: Control no diff message color with diff options (jestjs#9997)
  fix(jest-jasmine2): fix Error message (jestjs#9990)
  docs: fix jest-object ids for docusaurs (jestjs#9994)
  docs: fix Configuration, JestPlatform and JestObjectAPI docs for 26 (jestjs#9985)
  Add migration notes for breaking changes (jestjs#9978)
  chore: fix date and heading in blog post (jestjs#9977)
  ...
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4 participants