Add support for oneshot_lines coverage mode
#1154
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fatkodima
commented
Feb 7, 2026
| def process_coverage_result | ||
| adapt_coverage_result | ||
| remove_useless_results | ||
| adapt_coverage_result |
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In this PR, Coverage.stub_line is used, which is a pretty costly method. So I swapped lines here to filter unneeded files first before doing the actual work.
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Closes #710.
https://bugs.ruby-lang.org/issues/15022
We use coverage on CI and I noticed that it significantly slows down the tests. After experimenting with
oneshot_linescoverage mode, the runtime dropped a lot (it was 15 minutes before and now is 10 minutes).