module Slather::CoverageService::Coveralls

def coveralls_coverage_data
  if ci_service == :travis_ci
    if travis_job_id
      {
        :service_job_id => travis_job_id,
        :service_name => "travis-ci",
        :source_files => coverage_files.map(&:as_json)
      }.to_json
    else
      raise StandardError, "Environment variable `TRAVIS_JOB_ID` not set. Is this running on a travis build?"
    end
  else
    raise StandardError, "No support for ci named #{ci_service}"
  end
end