ruby/tests/collect_coverage.rb

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#
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if ENV['COVERAGE']
  require 'simplecov'
  SimpleCov.start do
    if ENV['TRAVIS']
      require 'codecov'
      formatter SimpleCov::Formatter::MultiFormatter.new([
        SimpleCov::Formatter::HTMLFormatter,
        SimpleCov::Formatter::Codecov,
      ])
    end
    coverage_dir ENV['COVERAGE_DIR'] or 'coverage'
    track_files 'ruby/lib/**/*.rb'
  end
end