discourse/lib/tasks/smoke_test.rake

# frozen_string_literal: true

desc "run chrome headless smoke tests on current build"
task "smoke:test" do
  if RbConfig::CONFIG['host_os'][/darwin|mac os/]
    google_chrome_cli = "/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome"
  else
    google_chrome_cli = "google-chrome"
  end

  unless system("command -v \"#{google_chrome_cli}\" >/dev/null")
    abort "Chrome is not installed. Download from https://www.google.com/chrome/browser/desktop/index.html"
  end

  if Gem::Version.new(`\"#{google_chrome_cli}\" --version`.match(/[\d\.]+/)[0]) < Gem::Version.new("59")
    abort "Chrome 59 or higher is required to run tests in headless mode."
  end

  system("yarn install")

  url = ENV["URL"]
  if !url
    require "#{Rails.root}/config/environment"
    url = Discourse.base_url
  end

  puts "Testing: #{url}"

  require 'open-uri'
  require 'net/http'

  uri = URI(url)
  request = Net::HTTP::Get.new(uri)

  if ENV["AUTH_USER"] && ENV["AUTH_PASSWORD"]
    request.basic_auth(ENV['AUTH_USER'], ENV['AUTH_PASSWORD'])
  end

  dir = ENV["SMOKE_TEST_SCREENSHOT_PATH"] || 'tmp/smoke-test-screenshots'
  FileUtils.mkdir_p(dir) unless Dir.exists?(dir)

  wait = ENV["WAIT_FOR_URL"].to_i

  success = false
  code = nil
  retries = 0

  loop do
    response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
      http.request(request)
    end

    success = response.code == "200"
    code = response.code

    if !success && wait > 0
      sleep 5
      wait -= 5
      retries += 1
    else
      break
    end
  end

  if !success
    raise "TRIVIAL GET FAILED WITH #{code}: retried #{retries} times"
  end

  results = +""

  node_arguments = []
  node_arguments << '--inspect-brk' if ENV["DEBUG_NODE"]
  node_arguments << "#{Rails.root}/test/smoke_test.js"
  node_arguments << url

  IO.popen("node #{node_arguments.join(' ')}").each do |line|
    puts line
    results << line
  end

  if results !~ /ALL PASSED/
    raise "FAILED"
  end
end