Rcov is a code coverage tool for Ruby, which can be used to view your target code’s overall test coverage.

Rcov provides many analysis modes and is able to detect uncovered code introduced since the last time it was run. You can automate it using Rake or Rant and export results.

The plugin calls the Ruby gem’s Rcov and passes the user-provided parameters to measure the code coverage in your ruby projects.

Plugin Screenshots:

Rcov-4