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WebKit-TestHunter

Utilities to parse the WebKit Layout Test results history and print the results for a given test grouped by revision intervals or detect tests that are flaky.

Note: This tracks only the bots from the GTK and WPE ports of WebKit. However, support for other ports should be really easy to add (open an issue if you are interested).

The repository includes also the data from the bots that is updated daily.

However, before running wktesthunter is always a good idea to update the json files.

Update the json files

  • Execute: ./fetch.sh (or just git pull, there is a cronjob that does this daily and commits the result)
  • Is safe to ignore the warnings about revisions not available (probably that revisions failed to compile webkit, therefore there are no test results for them)

Check history of past results for a test

  • Typical usage:

    • ./wktesthunter testdir/testname.html

  • Use the --bot argument to select the bot you want to check.

  • Check ./wktesthunter -h for additional help.

Detect flaky tests to be added to the TestExpectations file

  • Typical usage:

    • ./flakyhunter

  • Use the --bot argument to select the bot you want to check.

  • Use the --webkitdir argument to pass the path to your WebKit checkout. This makes the script to discard tests that modified on the interval checked.

  • Check ./flakyhunter -h for additional help.

Check history of results older than a year

Due to the continous grow of files some cleaning is done from time to time, otherwise too much disk space is wasted keeping files around that are hardly useful.

At any moment you can expect to have available on the repo at least 1 year worth of data history.

If you need to query data older than that you can resurrect the old results from the git history.

The following commands will recover the history for you:

  • History older than 250000@main (From Apr 2014 to 26th Apr 2022)
    • Execute this command: git revert -n 4e4c323159641b2ed7004bb864f97c39c1f042d9
    • Note: needs 30GB more of disk space