Code coverage tools #7451
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Code coverage tools #7451
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Trello card URL
https://trello.com/c/CUdxmu4H/1538-implement-coverage-checks-with-simplecov-lcov-simplecov-html-and-undercover-gems
Changes in this PR:
This introduces a suite of code coverage tools:
simplecov - the foundation
simplecov-html - a reporting tool showing human-readable coverage data
simplecov-lcov - a reporting tool in 'lcov' format, readable by machines
undercover
This is integrated with git, and compares the coverage data with the 'current' branch against main. It will detect any 'changed' code and make sure that it has complete branch coverage. This can be overridden with the :nocov: annotation if really required
Coverage is off locally by default (it adds about 20% overhead with our current setup) but can be enabled with COVERAGE=1. It's switched on for CI (so that undercover can detect it)
Screenshots of UI changes:
Before
After