WIP Handle domain sessions better in QA test scenario

[ci skip]

qa/qa.rb

@@ -9,6 +9,7 @@ module QA
     autoload :User, 'qa/runtime/user'
     autoload :Namespace, 'qa/runtime/namespace'
     autoload :Scenario, 'qa/runtime/scenario'
+    autoload :Browser, 'qa/runtime/browser'
   end
 
   ##

qa/qa/page/base.rb

@@ -7,6 +7,20 @@ module QA
       def refresh
         visit current_url
       end
+
+      def wait(css = '.application', time: 60)
+        # This resolves cold boot / background tasks problems
+        #
+        Time.now.tap do |start|
+          while Time.now - start < time
+            break if page.has_css?(css, wait: 5)
+            puts "Waiting for `#{css} on `#{current_url}`"
+            refresh
+          end
+        end
+
+        yield if block_given?
+      end
     end
   end
 end

qa/qa/page/main/entry.rb

@@ -3,20 +3,8 @@ module QA
     module Main
       class Entry < Page::Base
         def visit_login_page
-          visit("#{Runtime::Scenario.gitlab_address}/users/sign_in")
-          wait_for_instance_to_be_ready
-        end
-
-        private
-
-        def wait_for_instance_to_be_ready
-          # This resolves cold boot / background tasks problems
-          #
-          start = Time.now
-
-          while Time.now - start < 240
-            break if page.has_css?('.application', wait: 10)
-            refresh
+          wait(time: 500) do
+            visit("#{Runtime::Scenario.gitlab_address}/users/sign_in")
           end
         end
       end

qa/qa/runtime/browser.rb

@@ -3,37 +3,45 @@ require 'capybara/rspec'
 require 'capybara-screenshot/rspec'
 require 'selenium-webdriver'
 
-# rubocop:disable Metrics/MethodLength
-# rubocop:disable Metrics/LineLength
-
 module QA
-  module Specs
-    class Config < Scenario::Template
-      include Scenario::Actable
+  module Runtime
+    module Browser
+      extend self
 
-      def perform
-        configure_rspec!
-        configure_capybara!
-      end
+      def session(address, &block)
+        configure!
+        page.visit(address)
 
-      def configure_rspec!
-        RSpec.configure do |config|
-          config.expect_with :rspec do |expectations|
-            expectations.include_chain_clauses_in_custom_matcher_descriptions = true
-          end
+        block.call(page)
 
-          config.mock_with :rspec do |mocks|
-            mocks.verify_partial_doubles = true
-          end
-
-          config.order = :random
-          Kernel.srand config.seed
-          config.formatter = :documentation
-          config.color = true
+        page.visit(address)
+        reset_domain_session!
+      rescue
+        # RSpec examples will take care of screenshots on their own
+        #
+        unless block.binding.receiver.class < RSpec::Core::ExampleGroup
+          Capybara::Screenshot.screenshot_and_save_page
         end
+
+        raise
       end
 
-      def configure_capybara!
+      def page
+        Capybara.current_session
+      end
+
+      def reset_domain_session(address)
+        ##
+        # Selenium allows to reset session cookies for current domain only.
+        #
+        # See gitlab-org/gitlab-qa#102
+        #
+        Capybar.reset_session!
+      end
+
+      def configure!
+        return if Capybara.drivers.include?(:chrome)
+
         Capybara.register_driver :chrome do |app|
           capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
             'chromeOptions' => {
@@ -52,8 +60,7 @@ module QA
         Capybara.configure do |config|
           config.default_driver = :chrome
           config.javascript_driver = :chrome
-          config.default_max_wait_time = 10
-
+          config.default_max_wait_time = 4
           # https://github.com/mattheworiordan/capybara-screenshot/issues/164
           config.save_path = 'tmp'
         end

qa/qa/scenario/entrypoint.rb

@@ -8,7 +8,6 @@ module QA
       include Bootable
 
       def perform(address, *files)
-        Specs::Config.act { configure_capybara! }
         Runtime::Scenario.define(:gitlab_address, address)
 
         ##

qa/qa/specs/features/login/standard_spec.rb

@@ -1,5 +1,5 @@
 module QA
-  feature 'standard root login', :core do
+  feature 'standard user login', :core do
     scenario 'user logs in using credentials' do
       Page::Main::Entry.act { visit_login_page }
       Page::Main::Login.act { sign_in_using_credentials }

qa/qa/specs/features/mattermost/login_spec.rb

@@ -1,12 +1,16 @@
 module QA
   feature 'logging in to Mattermost', :mattermost do
     scenario 'can use gitlab oauth' do
-      Page::Main::Entry.act { visit_login_page }
-      Page::Main::Login.act { sign_in_using_credentials }
-      Page::Mattermost::Login.act { sign_in_using_oauth }
+      Runtime::Browser.session(Page::Gitlab::Login) do
+        Page::Main::Login.act { sign_in_using_credentials }
 
-      Page::Mattermost::Main.perform do |page|
-        expect(page).to have_content(/(Welcome to: Mattermost|Logout GitLab Mattermost)/)
+        Runtime::Browser.session(Page::Mattermost::Login) do
+          Page::Mattermost::Login.act { sign_in_using_oauth }
+
+          Page::Mattermost::Main.perform do |page|
+            expect(page).to have_content(/(Welcome to: Mattermost|Logout GitLab Mattermost)/)
+          end
+        end
       end
     end
   end

qa/qa/specs/runner.rb

@@ -17,7 +17,7 @@ module QA
         tags.to_a.each { |tag| args.push(['-t', tag.to_s]) }
         args.push(files)
 
-        Specs::Config.perform
+        Runtime::Browser.configure!
 
         RSpec::Core::Runner.run(args.flatten, $stderr, $stdout).tap do |status|
           abort if status.nonzero?