require 'docker'
require 'open3'

# Helpers for integration tests
module IntegrationHelpers
  def sh(command)
    env = {
      'PATH' => ENV['PATH'],
      'GEM_PATH' => ENV['GEM_PATH'],
      'HOME' => ENV['HOME'],
      'SSH_AUTH_SOCK' => ENV['SSH_AUTH_SOCK']
    }
    Open3.popen3(
      env,
      command,
      unsetenv_others: true
    ) do |stdin, stdout, stderr, wait_thr|
      stdin.close
      stdout.each_line do |line|
        $stdout.write(line)
        $stdout.flush
      end
      stderr.each_line do |line|
        $stderr.write(line)
        $stderr.flush
      end
      exit_status = wait_thr.value
      fail 'Exit code is not zero' if exit_status != 0
    end
  end

  def bundle_exec(task)
    Dir.chdir(path) do
      sh 'rm -f Gemfile.lock'
      sh 'bundle install'
      sh "bundle exec rake #{task}"
    end
  end

  def docker_needed!
    Docker.info.inspect
  rescue Excon::Errors::Error
    skip 'No docker daemon available'
  end
end