envjs_capybara_subdomain_failing_test.rb

# /test/integration/subdomain_test.rb
require 'integration_test_helper' 

class SubdomainTest < ActionController::IntegrationTest
  test "simple subdomain test" do
    subdomain = "something"
    
    # this test passes using selenium, fails using the default envjs
    #Capybara.current_driver = :selenium
    Capybara.app_host = "http://#{subdomain}.lvh.me:9887"
    visit root_path
    assert current_url.include?(subdomain)
  end
end

# /test/integration_test_helper.rb
require "test_helper"
require "capybara/rails"

module ActionController
  class IntegrationTest
    include Capybara
    
    def setup
      Capybara.reset_sessions!
    end
end

Capybara.javascript_driver = :envjs
Capybara.default_host = "lvh.me"
Capybara.app_host = "http://lvh.me:9887"