Get list of tests that cover any java source class, in coverage report

[Shishir Kumar]

Hi,
How can I get the list of test classes that covered/exercised a java source class. Is it possible to get this info in the JaCoCo code coverage report (html or xml)? I want to use this info to map tests to source code and use it for test selection.
I have no prior experience with JaCoCo. Any help would be greatly appreciated.
Thanks

[Marc Hoffmann]

Hi,

JaCoCo is completely framework agnostic and has no idea about the scope of a JUnit test case. Therefore JaCoCo does not offer per-test coverage.

Technically this can be done by running each test individually and create a coverage report for every test. But I assume that this will result in an enormous amount of data.

Regards,

-marc

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[Ullrich Hafner]

You can have a look at the implementation of PIT (https://pitest.org/). If I remember correctly, they select test cases based on the individual coverage.

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