Module: IntransientCapybaraHelper

Included in:
IntransientCapybaraTest
Defined in:
lib/intransient_capybara/intransient_capybara_helper.rb

Instance Method Summary collapse

Instance Method Details

#allow_rack_requests! ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 52

def allow_rack_requests!
  if ENV.fetch('TRACE_TEST_FRAMEWORK', false) == 'true'
    puts 'I am turning on rack requests'
  end

  RackRequestBlocker.allow_requests!
end

#block_rack_requests! ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 44

def block_rack_requests!
  if ENV.fetch('TRACE_TEST_FRAMEWORK', false) == 'true'
    puts 'I am turning off rack requests'
  end

  RackRequestBlocker.block_requests!
end

#report_traffic ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 78

def report_traffic
  if ENV.fetch('DEBUG_TEST_TRAFFIC', false) == 'true'
    puts "Downloaded #{page.driver.network_traffic.map(&:response_parts).flatten.map(&:body_size).compact.sum / 1.megabyte} megabytes"
    puts "Processed #{page.driver.network_traffic.size} network requests"

    grouped_urls = page.driver.network_traffic.map(&:url).group_by{|url| /\Ahttps?:\/\/(?:.*\.)?(?:localhost|127\.0\.0\.1)/.match(url).present?}
    internal_urls = grouped_urls[true]
    external_urls = grouped_urls[false]

    if internal_urls.present?
      puts "Local URLs queried: #{internal_urls}"
    end

    if external_urls.present?
      puts "External URLs queried: #{external_urls}"

      if ENV.fetch('DEBUG_TEST_TRAFFIC_RAISE_EXTERNAL', false) == 'true'
        raise "Queried external URLs!  This will be slow! #{external_urls}"
      end
    end
  end
end

#resize_window_by(size) ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 101

def resize_window_by(size)
  page.driver.resize size[0], size[1]
end

#stop_client ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 72

def stop_client
  page.execute_script %Q{
    window.location = "about:blank";
  }
end

#teardown_wait_for_requests_complete! ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 32

def teardown_wait_for_requests_complete!
  stop_client
  block_rack_requests!

  wait_for('pending AJAX requests complete') do
    if ENV.fetch('TRACE_TEST_FRAMEWORK', false) == 'true'
      puts 'I am waiting for rack requests to clear out...'
    end
    RackRequestBlocker.num_active_requests == 0
  end
end

#wait_for(condition_name, max_wait_time: 30, polling_interval: 0.5) ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 60

def wait_for(condition_name, max_wait_time: 30, polling_interval: 0.5)
  wait_until = Time.now + max_wait_time.seconds
  while true
    return if yield
    if Time.now > wait_until
      raise "Condition not met: #{condition_name}"
    else
      sleep(polling_interval)
    end
  end
end

#wait_for_ajax!(max_seconds = 3) ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 8

def wait_for_ajax!(max_seconds = 3)
  active_ajax_count = nil

  begin
    wait_for('ajax requests', max_wait_time: max_seconds, polling_interval: 0.1) do
      page.document.synchronize do
        (page.evaluate_script 'typeof($) != "undefined"') && (active_ajax_count = page.evaluate_script("$.active")).zero?
        Rails.logger.info "#{active_ajax_count} outstanding XHR(s)"
      end
    end
  rescue StandardError
    assert(false, "waited #{max_seconds} seconds for ajax complete but #{active_ajax_count} ajax calls still active")
  end

  true
end

#wait_for_page_load! ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 25

def wait_for_page_load!
  page.document.synchronize do
    current_path
    true
  end
end

#wait_for_response!(max_ajax_seconds = 3) ⇒ Object 



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# File 'lib/intransient_capybara/intransient_capybara_helper.rb', line 3

def wait_for_response!(max_ajax_seconds = 3)
  wait_for_page_load!
  wait_for_ajax!(max_ajax_seconds)
end