Merge branch 'master' into 2761-diagnostic-suite

[arvados.git] / apps / workbench / test / integration_helper.rb

diff --git a/apps/workbench/test/integration_helper.rb b/apps/workbench/test/integration_helper.rb
index 88aec2ca6948ef8512b3b5604efe4b315d107560..81ea67c3c5c4bd8925e650501a85a258d6dff855 100644 (file)
--- a/apps/workbench/test/integration_helper.rb
+++ b/apps/workbench/test/integration_helper.rb
@@ -4,13 +4,32 @@ require 'capybara/poltergeist'
 require 'uri'
 require 'yaml'
 
+module WaitForAjax
+  Capybara.default_wait_time = 5
+  def wait_for_ajax
+    Timeout.timeout(Capybara.default_wait_time) do
+      loop until finished_all_ajax_requests?
+    end
+  end
+
+  def finished_all_ajax_requests?
+    page.evaluate_script('jQuery.active').zero?
+  end
+end
+
 class ActionDispatch::IntegrationTest
   # Make the Capybara DSL available in all integration tests
   include Capybara::DSL
   include ApiFixtureLoader
+  include WaitForAjax
 
   @@API_AUTHS = self.api_fixture('api_client_authorizations')
 
+  def setup
+    reset_session!
+    super
+  end
+
   def page_with_token(token, path='/')
     # Generate a page path with an embedded API token.
     # Typical usage: visit page_with_token('token_name', page)
@@ -22,4 +41,38 @@ class ActionDispatch::IntegrationTest
     q_string = URI.encode_www_form('api_token' => api_token)
     "#{path}#{sep}#{q_string}"
   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
+
+  @@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
+
+  teardown do
+    if not passed?
+      screenshot
+    end
+    if Capybara.current_driver == :selenium
+      page.execute_script("window.localStorage.clear()")
+    end
+  end
 end