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| author | Charlie Swanson <charlie.swanson@mongodb.com> | 2023-02-10 10:49:02 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-10 10:49:02 -0500 |
| commit | 5750f0d4dd1a5b89b814ab77a3555a81a31666c1 (patch) | |
| tree | 5c110ed71b5d68cf32d02cd09a5c9a188574264b | |
| parent | f15f2bf8958557b4e8fccc6e8e1c7c8c5834d209 (diff) | |
| download | mongo-5750f0d4dd1a5b89b814ab77a3555a81a31666c1.tar.gz | |
Add some feature flag tagging explanation
| -rw-r--r-- | src/mongo/db/repl/FCV_AND_FEATURE_FLAG_README.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mongo/db/repl/FCV_AND_FEATURE_FLAG_README.md b/src/mongo/db/repl/FCV_AND_FEATURE_FLAG_README.md index cf5fa1a54fa..c3ca6448e21 100644 --- a/src/mongo/db/repl/FCV_AND_FEATURE_FLAG_README.md +++ b/src/mongo/db/repl/FCV_AND_FEATURE_FLAG_README.md @@ -423,7 +423,10 @@ be enabled by default for testing purposes on the Evergreen variants marked as " * If you have a JS test that depends on this feature flag being enabled, tag with a tag of the same name as the feature flag in the format `featureFlagXX` (for example, `featureFlagToaster`). This ensures that the test will only be run on the "all feature flags" variants where the feature flag is -enabled. +enabled. This works by virtue of the feature flag being declared in the codebase which will +cause it to make its way into the all_feature_flags.txt file used by resmoke.py to control either +which flags to enable for "all feature flags", or which tags (e.g. featureFlagXX) to skip when it is +not running "all feature flags." * Parallel test suite does not honor feature flag tags, due to which some tests may be unexpectedly run in non-feature-flag build variants. If you want to skip such tests in parallel suite, please add them to the exclusion list [here](https://github.com/mongodb/mongo/blob/eb75b6ccc62f7c8ea26a57c1b5eb96a41809396a/jstests/libs/parallelTester.js#L149). |