merge-simplecov

#!/usr/bin/env ruby

require_relative '../spec/simplecov_env'
SimpleCovEnv.configure_profile

module SimpleCov
  module ResultMerger
    class << self
      def resultset_files
        Dir.glob(File.join(SimpleCov.coverage_path, '*', '.resultset.json'))
      end

      def resultset_hashes
        resultset_files.map do |path|
          begin
            JSON.parse(File.read(path))
          rescue
            {}
          end
        end
      end

      def resultset
        resultset_hashes.reduce({}, :merge)
      end
    end
  end
end

SimpleCov::ResultMerger.merged_result.format!