X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/23a65392c4dd88f28cbf94ac451bd1f1d9cd0be4..e7672a0b679659d6ba90d23b4e102fba747fa9ef:/apps/workbench/test/integration_helper.rb

diff --git a/apps/workbench/test/integration_helper.rb b/apps/workbench/test/integration_helper.rb
index 86162834c7..067a1bdae8 100644
--- a/apps/workbench/test/integration_helper.rb
+++ b/apps/workbench/test/integration_helper.rb
@@ -4,20 +4,174 @@ require 'capybara/poltergeist'
 require 'uri'
 require 'yaml'
 
-$ARV_API_SERVER_DIR = File.expand_path('../../../../services/api', __FILE__)
-SERVER_PID_PATH = 'tmp/pids/server.pid'
+def available_port for_what
+  begin
+    Addrinfo.tcp("0.0.0.0", 0).listen do |srv|
+      port = srv.connect_address.ip_port
+      # Selenium needs an additional locking port, check if it's available
+      # and retry if necessary.
+      if for_what == 'selenium'
+        locking_port = port - 1
+        Addrinfo.tcp("0.0.0.0", locking_port).listen.close
+      end
+      STDERR.puts "Using port #{port} for #{for_what}"
+      return port
+    end
+  rescue Errno::EADDRINUSE, Errno::EACCES
+    retry
+  end
+end
+
+def selenium_opts
+  {
+    port: available_port('selenium'),
+  }
+end
+
+def poltergeist_opts
+  {
+    phantomjs_options: ['--ignore-ssl-errors=true'],
+    port: available_port('poltergeist'),
+    window_size: [1200, 800],
+  }
+end
+
+Capybara.register_driver :poltergeist do |app|
+  Capybara::Poltergeist::Driver.new app, poltergeist_opts
+end
+
+Capybara.register_driver :poltergeist_debug do |app|
+  Capybara::Poltergeist::Driver.new app, poltergeist_opts.merge(inspector: true)
+end
+
+Capybara.register_driver :poltergeist_with_fake_websocket do |app|
+  js = File.expand_path '../support/fake_websocket.js', __FILE__
+  Capybara::Poltergeist::Driver.new app, poltergeist_opts.merge(extensions: [js])
+end
+
+Capybara.register_driver :poltergeist_without_file_api do |app|
+  js = File.expand_path '../support/remove_file_api.js', __FILE__
+  Capybara::Poltergeist::Driver.new app, poltergeist_opts.merge(extensions: [js])
+end
+
+Capybara.register_driver :selenium do |app|
+  Capybara::Selenium::Driver.new app, selenium_opts
+end
+
+Capybara.register_driver :selenium_with_download do |app|
+  profile = Selenium::WebDriver::Firefox::Profile.new
+  profile['browser.download.dir'] = DownloadHelper.path.to_s
+  profile['browser.download.downloadDir'] = DownloadHelper.path.to_s
+  profile['browser.download.defaultFolder'] = DownloadHelper.path.to_s
+  profile['browser.download.folderList'] = 2 # "save to user-defined location"
+  profile['browser.download.manager.showWhenStarting'] = false
+  profile['browser.helperApps.alwaysAsk.force'] = false
+  profile['browser.helperApps.neverAsk.saveToDisk'] = 'text/plain,application/octet-stream'
+  Capybara::Selenium::Driver.new app, selenium_opts.merge(profile: profile)
+end
+
+module WaitForAjax
+  # FIXME: Huge side effect here
+  # The following line changes the global default Capybara wait time, affecting
+  # every test which follows this one. This should be removed and the failing tests
+  # should have their individual wait times increased, if appropriate, using
+  # the using_wait_time(N) construct to temporarily change the wait time.
+  # Note: the below is especially bad because there are places that increase wait
+  # times using a multiplier e.g. using_wait_time(3 * Capybara.default_max_wait_time)
+  Capybara.default_max_wait_time = 10
+  def wait_for_ajax
+    timeout = 10
+    count = 0
+    while page.evaluate_script("jQuery.active").to_i > 0
+      count += 1
+      raise "AJAX request took more than #{timeout} seconds" if count > timeout * 10
+      sleep(0.1)
+    end
+  end
+
+end
+
+module AssertDomEvent
+  # Yield the supplied block, then wait for an event to arrive at a
+  # DOM element.
+  def assert_triggers_dom_event events, target='body'
+    magic = 'received-dom-event-' + rand(2**30).to_s(36)
+    page.evaluate_script <<eos
+      $('#{target}').one('#{events}', function() {
+        $('body').addClass('#{magic}');
+      });
+eos
+    yield
+    assert_selector "body.#{magic}"
+    page.evaluate_script "$('body').removeClass('#{magic}');";
+  end
+end
+
+module HeadlessHelper
+  class HeadlessSingleton
+    @display = ENV['ARVADOS_TEST_HEADLESS_DISPLAY'] || rand(400)+100
+    STDERR.puts "Using display :#{@display} for headless tests"
+    def self.get
+      @headless ||= Headless.new reuse: false, display: @display
+    end
+  end
+
+  Capybara.default_driver = :rack_test
+
+  def self.included base
+    base.class_eval do
+      setup do
+        Capybara.use_default_driver
+        @headless = false
+      end
+
+      teardown do
+        if @headless
+          @headless.stop
+          @headless = false
+        end
+      end
+    end
+  end
+
+  def need_selenium reason=nil, driver=:selenium
+    Capybara.current_driver = driver
+    unless ENV['ARVADOS_TEST_HEADFUL'] or @headless
+      @headless = HeadlessSingleton.get
+      @headless.start
+    end
+  end
+
+  def need_javascript reason=nil
+    unless Capybara.current_driver == :selenium
+      Capybara.current_driver = :poltergeist
+    end
+  end
+end
+
+module KeepWebConfig
+  def getport service
+    File.read(File.expand_path("../../../../tmp/#{service}.port", __FILE__))
+  end
+
+  def use_keep_web_config
+    @kwport = getport 'keep-web-ssl'
+    @kwdport = getport 'keep-web-dl-ssl'
+    Rails.configuration.keep_web_url = "https://localhost:#{@kwport}/c=%{uuid_or_pdh}"
+    Rails.configuration.keep_web_download_url = "https://localhost:#{@kwdport}/c=%{uuid_or_pdh}"
+    CollectionsController.any_instance.expects(:file_enumerator).never
+  end
+end
 
 class ActionDispatch::IntegrationTest
   # Make the Capybara DSL available in all integration tests
   include Capybara::DSL
+  include ApiFixtureLoader
+  include WaitForAjax
+  include AssertDomEvent
+  include HeadlessHelper
 
-  def self.api_fixture(name)
-    # Returns the data structure from the named API server test fixture.
-    path = File.join($ARV_API_SERVER_DIR, 'test', 'fixtures', "#{name}.yml")
-    YAML.load(IO.read(path))
-  end
-
-  @@API_AUTHS = api_fixture('api_client_authorizations')
+  @@API_AUTHS = self.api_fixture('api_client_authorizations')
 
   def page_with_token(token, path='/')
     # Generate a page path with an embedded API token.
@@ -26,52 +180,60 @@ class ActionDispatch::IntegrationTest
     # fixture, or passed as a raw string.
     api_token = ((@@API_AUTHS.include? token) ?
                  @@API_AUTHS[token]['api_token'] : token)
-    sep = (path.include? '?') ? '&' : '?'
+    path_parts = path.partition("#")
+    sep = (path_parts.first.include? '?') ? '&' : '?'
     q_string = URI.encode_www_form('api_token' => api_token)
-    "#{path}#{sep}#{q_string}"
+    path_parts.insert(1, "#{sep}#{q_string}")
+    path_parts.join("")
+  end
+
+  # Find a page element, but return false instead of raising an
+  # exception if not found. Use this with assertions to explain that
+  # the error signifies a failed test rather than an unexpected error
+  # during a testing procedure.
+  def find? *args
+    begin
+      find *args
+    rescue Capybara::ElementNotFound
+      false
+    end
   end
-end
 
-class IntegrationTestRunner < MiniTest::Unit
-  # Make a hash that unsets Bundle's environment variables.
-  # We'll use this environment when we launch Bundle commands in the API
-  # server.  Otherwise, those commands will try to use Workbench's gems, etc.
-  @@APIENV = ENV.map { |(key, val)| (key =~ /^BUNDLE_/) ? [key, nil] : nil }.
-    compact.to_h
+  @@screenshot_count = 1
+  def screenshot
+    image_file = "./tmp/workbench-fail-#{@@screenshot_count}.png"
+    begin
+      page.save_screenshot image_file
+    rescue Capybara::NotSupportedByDriverError
+      # C'est la vie.
+    else
+      puts "Saved #{image_file}"
+      @@screenshot_count += 1
+    end
+  end
 
-  def _system(*cmd)
-    if not system(@@APIENV, *cmd)
-      raise RuntimeError, "#{cmd[0]} returned exit code #{$?.exitstatus}"
+  teardown do
+    if not passed?
+      screenshot
     end
+    if Capybara.current_driver == :selenium
+      page.execute_script("window.localStorage.clear()")
+    end
+    Capybara.reset_sessions!
   end
 
-  def _run(args=[])
-    Capybara.javascript_driver = :poltergeist
-    server_pid = Dir.chdir($ARV_API_SERVER_DIR) do |apidir|
-      _system('bundle', 'exec', 'rake', 'db:test:load')
-      _system('bundle', 'exec', 'rake', 'db:fixtures:load')
-      _system('bundle', 'exec', 'rails', 'server', '-d')
-      timeout = Time.now.tv_sec + 10
-      begin
-        sleep 0.2
+  def accept_alert
+    if Capybara.current_driver == :selenium
+      (0..9).each do
         begin
-          server_pid = IO.read(SERVER_PID_PATH).to_i
-          good_pid = (server_pid > 0) and (Process.kill(0, pid) rescue false)
-        rescue Errno::ENOENT
-          good_pid = false
+          page.driver.browser.switch_to.alert.accept
+          break
+        rescue Selenium::WebDriver::Error::NoSuchAlertError
+         sleep 0.1
         end
-      end while (not good_pid) and (Time.now.tv_sec < timeout)
-      if not good_pid
-        raise RuntimeError, "could not find API server Rails pid"
       end
-      server_pid
-    end
-    begin
-      super(args)
-    ensure
-      Process.kill('TERM', server_pid)
+    else
+      # poltergeist returns true for confirm, so no need to accept
     end
   end
 end
-
-MiniTest::Unit.runner = IntegrationTestRunner.new