timdiggins/logging_for_chromedriver.txt

## logging_for_chromedriver.txt
Using selenium_chrome
Capybara starting Puma...
* Version 5.3.1 , codename: Sweetnighter
* Min threads: 0, max threads: 4
* Listening on http://127.0.0.1:59751
browser logs empty from selenium_chrome
--------------------------------------------------------------------------------
Using selenium_chrome_w3c
browser logs empty from selenium_chrome_w3c
--------------------------------------------------------------------------------
Using selenium_chrome_non_w3c
{:browser_logs_class=>"Array", :v=>[#<Selenium::WebDriver::LogEntry:0x00007fddfcaf2cb0 @level="INFO", @timestamp=1622979812498, @message="http://127.0.0.1:59751/ 9:10 \"Logs r us\"">]}
got logs from selenium_chrome_non_w3c
--------------------------------------------------------------------------------
Using selenium_chrome_headless
browser logs empty from selenium_chrome_headless
--------------------------------------------------------------------------------
Using selenium_chrome_headless_w3c
browser logs empty from selenium_chrome_headless_w3c
--------------------------------------------------------------------------------
Using selenium_chrome_headless_non_w3c
{:browser_logs_class=>"Array", :v=>[#<Selenium::WebDriver::LogEntry:0x00007fde0c1f27e0 @level="INFO", @timestamp=1622979814739, @message="http://127.0.0.1:59751/ 9:10 \"Logs r us\"">]}
got logs from selenium_chrome_headless_non_w3c

## test_logs.rb
require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'capybara'
  gem 'puma'
  gem 'selenium-webdriver'
  gem 'webdrivers'
  gem 'byebug'
  gem 'rexml'
end

require 'selenium-webdriver'
require "capybara/dsl"

Capybara.default_max_wait_time = 5
html = DATA.read
app = proc { |env| [200, { "Content-Type" => "text/html" }, [html]] }

["w3c", "non_w3c"].each do |opt|
  ["headless_", nil].each do |headless_opt|
    Capybara.register_driver "selenium_chrome_#{headless_opt}#{opt}".to_sym do |app|
      options = Selenium::WebDriver::Chrome::Options.new
      if headless_opt
        options.add_argument("no-sandbox") # or setup user per https://github.com/GoogleChromeLabs/lighthousebot/blob/master/builder/Dockerfile#L35-L40
        options.add_argument("headless")
      end
      options.add_argument("window-size=1280x1280")
      # options.add_argument("disable-gpu") #  only windows? still? https://developers.google.com/web/updates/2017/04/headless-chrome

      if opt == "non_w3c"
        options.add_option("w3c", false)
      end

      capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
        # https://stackoverflow.com/a/59778547/109175
        "goog:loggingPrefs": { browser: "ALL" }
      )

      service = Selenium::WebDriver::Service.chrome(
        args: {
          verbose: true,
          log_path: "./chromedriver.log"
        }
      )

      Capybara::Selenium::Driver.new(app, browser: :chrome, options: options, desired_capabilities: capabilities, service: service)
    end
  end
end

%i[selenium_chrome selenium_chrome_w3c selenium_chrome_non_w3c selenium_chrome_headless selenium_chrome_headless_w3c selenium_chrome_headless_non_w3c].each do |driver|
  puts "-" * 80
  puts "Using #{driver}"
  sess = Capybara::Session.new(driver, app)
  sess.visit('/')
  sess.assert_selector("p#some-id", text: "Other content")
  browser_logs = sess.driver.browser.manage.logs.get(:browser)
  if !browser_logs
    puts "no browser logs got from #{driver}"
  elsif browser_logs.empty?
    puts "browser logs empty from #{driver}"
  else
    p(browser_logs_class: browser_logs.class.name, v: browser_logs)
    puts "got logs from #{driver}"
  end
end
__END__

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Hello!</title>
</head>
<body>
<p id="some-id">Some content</p>
<script>
  console.log("Logs r us")
  document.getElementById("some-id").innerText = "Other content"
</script>
</body>
</html>
	Using selenium_chrome
	Capybara starting Puma...
	* Version 5.3.1 , codename: Sweetnighter
	* Min threads: 0, max threads: 4
	* Listening on http://127.0.0.1:59751
	browser logs empty from selenium_chrome
	--------------------------------------------------------------------------------
	Using selenium_chrome_w3c
	browser logs empty from selenium_chrome_w3c
	--------------------------------------------------------------------------------
	Using selenium_chrome_non_w3c
	{:browser_logs_class=>"Array", :v=>[#<Selenium::WebDriver::LogEntry:0x00007fddfcaf2cb0 @level="INFO", @timestamp=1622979812498, @message="http://127.0.0.1:59751/ 9:10 \"Logs r us\"">]}
	got logs from selenium_chrome_non_w3c
	--------------------------------------------------------------------------------
	Using selenium_chrome_headless
	browser logs empty from selenium_chrome_headless
	--------------------------------------------------------------------------------
	Using selenium_chrome_headless_w3c
	browser logs empty from selenium_chrome_headless_w3c
	--------------------------------------------------------------------------------
	Using selenium_chrome_headless_non_w3c
	{:browser_logs_class=>"Array", :v=>[#<Selenium::WebDriver::LogEntry:0x00007fde0c1f27e0 @level="INFO", @timestamp=1622979814739, @message="http://127.0.0.1:59751/ 9:10 \"Logs r us\"">]}
	got logs from selenium_chrome_headless_non_w3c
	require 'bundler/inline'

	gemfile do
	source 'https://rubygems.org'
	gem 'capybara'
	gem 'puma'
	gem 'selenium-webdriver'
	gem 'webdrivers'
	gem 'byebug'
	gem 'rexml'
	end

	require 'selenium-webdriver'
	require "capybara/dsl"

	Capybara.default_max_wait_time = 5
	html = DATA.read
	app = proc { \|env\| [200, { "Content-Type" => "text/html" }, [html]] }

	["w3c", "non_w3c"].each do \|opt\|
	["headless_", nil].each do \|headless_opt\|
	Capybara.register_driver "selenium_chrome_#{headless_opt}#{opt}".to_sym do \|app\|
	options = Selenium::WebDriver::Chrome::Options.new
	if headless_opt
	options.add_argument("no-sandbox") # or setup user per https://github.com/GoogleChromeLabs/lighthousebot/blob/master/builder/Dockerfile#L35-L40
	options.add_argument("headless")
	end
	options.add_argument("window-size=1280x1280")
	# options.add_argument("disable-gpu") # only windows? still? https://developers.google.com/web/updates/2017/04/headless-chrome

	if opt == "non_w3c"
	options.add_option("w3c", false)
	end

	capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
	# https://stackoverflow.com/a/59778547/109175
	"goog:loggingPrefs": { browser: "ALL" }
	)

	service = Selenium::WebDriver::Service.chrome(
	args: {
	verbose: true,
	log_path: "./chromedriver.log"
	}
	)

	Capybara::Selenium::Driver.new(app, browser: :chrome, options: options, desired_capabilities: capabilities, service: service)
	end
	end
	end

	%i[selenium_chrome selenium_chrome_w3c selenium_chrome_non_w3c selenium_chrome_headless selenium_chrome_headless_w3c selenium_chrome_headless_non_w3c].each do \|driver\|
	puts "-" * 80
	puts "Using #{driver}"
	sess = Capybara::Session.new(driver, app)
	sess.visit('/')
	sess.assert_selector("p#some-id", text: "Other content")
	browser_logs = sess.driver.browser.manage.logs.get(:browser)
	if !browser_logs
	puts "no browser logs got from #{driver}"
	elsif browser_logs.empty?
	puts "browser logs empty from #{driver}"
	else
	p(browser_logs_class: browser_logs.class.name, v: browser_logs)
	puts "got logs from #{driver}"
	end
	end
	__END__

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>Hello!</title>
	</head>
	<body>
	<p id="some-id">Some content</p>
	<script>
	console.log("Logs r us")
	document.getElementById("some-id").innerText = "Other content"
	</script>
	</body>
	</html>