live_hang.rb

require 'gorp/test'

class LiveHang < Gorp::TestCase

  test "including ActionController::Live" do
    overview <<-EOF
      Any attempt to use ActionController::Live causes all requests to hang
    EOF

    rails 'demo'

    desc 'Create a model', id: 'create_model'
    generate 'scaffold Company name:string'

    desc 'Run the migration'
    db :migrate

    restart_server

    desc 'Create something to look at', id: 'create_company'
    post '/companies/new', 'company[name]' => 'ACME'

    desc 'Fetch the companies in JSON format'
    cmd 'curl --max-time 15 http://localhost:3000/companies.json'

    desc "Include ActionController::Live"
    edit 'app/controllers/companies_controller.rb' do
      msub /class.*\n()/, "  include ActionController::Live\n"
    end

    desc 'Try the fetch again'
    cmd 'curl --max-time 15 http://localhost:3000/companies.json' do
      assert_select '.stdout', /ACME/
    end
  end
end