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Implement #85440 (Random test ordering) by smoelius · Pull Request #89082 · rust...

 2 years ago
source link: https://github.com/rust-lang/rust/pull/89082
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smoelius commented on Sep 18 •

edited

This PR adds --shuffle and --shuffle-seed options to libtest. The options are similar to the -shuffle option that was recently added to Go.

Here are the relevant parts of the help message:

        --shuffle       Run tests in random order
        --shuffle-seed SEED
                        Run tests in random order; seed the random number
                        generator with SEED
...
By default, the tests are run in alphabetical order. Use --shuffle or set
RUST_TEST_SHUFFLE to run the tests in random order. Pass the generated
"shuffle seed" to --shuffle-seed (or set RUST_TEST_SHUFFLE_SEED) to run the
tests in the same order again. Note that --shuffle and --shuffle-seed do not
affect whether the tests are run in parallel.

Is an RFC needed for this?


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