class GemHadar

def rcov_task

displays a warning message suggesting to install RCov.
task if project extensions are present. If RCov is not available, it
enables verbose output. The task also conditionally depends on the :compile
required paths in the load path, specifies the test files to run, and
RCov to generate code coverage reports. It includes the test directory and
This method configures a :rcov task that runs the project's test suite with

using RCov.
The rcov_task method sets up a Rake task for executing code coverage tests 
def rcov_task
  if defined?(::Rcov)
    rt = ::Rcov::RcovTask.new(:run_rcov) do |t|
      t.libs << test_dir
      t.libs.concat require_paths.to_a
      t.libs.uniq!
      t.test_files = test_files
      t.verbose    = true
      t.rcov_opts  = %W[-x '\\b#{test_dir}\/' -x '\\bgems\/']
    end
    desc 'Run the rcov code coverage tests'
    task :rcov => [ (:compile if extensions.full?), rt.name ].compact
    clobber 'coverage'
  else
    desc 'Run the rcov code coverage tests'
    task :rcov do
      warn "rcov doesn't work for some reason, have you tried 'gem install rcov'?"
    end
  end
end