Decouple subject's address from page objects in QA

Conflicts:
	qa/qa/page/base.rb

qa/qa/page/base.rb

@@ -10,6 +10,20 @@ module QA
         visit current_url
       end
 
+      def wait(css = '.application', time: 60)
+        Time.now.tap do |start|
+          while Time.now - start < time
+            puts "Waiting for `#{css} on `#{current_url}`"
+
+            break if page.has_css?(css, wait: 5)
+
+            refresh
+          end
+        end
+
+        yield if block_given?
+      end
+
       def scroll_to(selector, text: nil)
         page.execute_script <<~JS
           var elements = Array.from(document.querySelectorAll('#{selector}'));
@@ -25,21 +39,7 @@ module QA
         page.within(selector) { yield } if block_given?
       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
-
-      def self.address
+      def self.path
         raise NotImplementedError
       end
     end

qa/qa/page/main/login.rb

@@ -18,8 +18,8 @@ module QA
           click_button 'Sign in'
         end
 
-        def self.address
-          Runtime::Scenario.gitlab_address + '/users/sign_in'
+        def self.path
+          '/users/sign_in'
         end
       end
     end

qa/qa/page/mattermost/login.rb

@@ -10,8 +10,8 @@ module QA
           end
         end
 
-        def self.address
-          Runtime::Scenario.gitlab_address + '/login'
+        def self.path
+          '/login'
         end
       end
     end

qa/qa/runtime/browser.rb

@@ -12,14 +12,25 @@ module QA
         self.class.configure!
       end
 
-      def visit(page, &block)
-        Browser::Session.new(page).tap do |session|
+      ##
+      # Visit a page that belongs to a GitLab instance under given address.
+      #
+      # Example:
+      #
+      # visit(:gitlab, Page::Main::Login)
+      # visit('http://gitlab.example/users/sign_in')
+      #
+      # In case of an address that is a symbol we will try to guess address
+      # based on `Runtime::Scenario#something_address`.
+      #
+      def visit(address, page, &block)
+        Browser::Session.new(address, page).tap do |session|
           session.perform(&block)
         end
       end
 
-      def self.visit(page, &block)
-        new.visit(page, &block)
+      def self.visit(address, page, &block)
+        new.visit(address, page, &block)
       end
 
       def self.configure!
@@ -52,10 +63,17 @@ module QA
       class Session
         include Capybara::DSL
 
-        attr_reader :address
+        def initialize(instance, page = nil)
+          @instance = instance
+          @address = host + page&.path
+        end
 
-        def initialize(page)
-          @address = page.is_a?(String) ? page : page.address
+        def host
+          if @instance.is_a?(Symbol)
+            Runtime::Scenario.send("#{@instance}_address")
+          else
+            @instance.to_s
+          end
         end
 
         def perform(&block)

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

 module QA
   feature 'standard user login', :core do
     scenario 'user logs in using credentials' do
-      Runtime::Browser.visit(Page::Main::Login)
+      Runtime::Browser.visit(:gitlab, Page::Main::Login)
       Page::Main::Login.act { sign_in_using_credentials }
 
       # TODO, since `Signed in successfully` message was removed

qa/qa/specs/features/mattermost/group_create_spec.rb

 module QA
   feature 'create a new group', :mattermost do
     scenario 'creating a group with a mattermost team' do
-      Runtime::Browser.visit(Page::Main::Login)
+      Runtime::Browser.visit(:gitlab, Page::Main::Login)
       Page::Main::Login.act { sign_in_using_credentials }
       Page::Main::Menu.act { go_to_groups }
 

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

 module QA
   feature 'logging in to Mattermost', :mattermost do
     scenario 'can use gitlab oauth' do
-      Runtime::Browser.visit(Page::Main::Login) do
+      Runtime::Browser.visit(:gitlab, Page::Main::Login) do
         Page::Main::Login.act { sign_in_using_credentials }
 
-        Runtime::Browser.visit(Page::Mattermost::Login) do
+        Runtime::Browser.visit(:mattermost, Page::Mattermost::Login) do
           Page::Mattermost::Login.act { sign_in_using_oauth }
 
           Page::Mattermost::Main.perform do |page|
@@ -13,16 +13,5 @@ module QA
         end
       end
     end
-
-    ##
-    # TODO, temporary workaround for gitlab-org/gitlab-qa#102.
-    #
-    after do
-      visit Runtime::Scenario.mattermost_address
-      reset_session!
-
-      visit Runtime::Scenario.gitlab_address
-      reset_session!
-    end
   end
 end

qa/qa/specs/features/project/create_spec.rb

 module QA
   feature 'create a new project', :core do
     scenario 'user creates a new project' do
-      Runtime::Browser.visit(Page::Main::Login)
+      Runtime::Browser.visit(:gitlab, Page::Main::Login)
       Page::Main::Login.act { sign_in_using_credentials }
 
       Scenario::Gitlab::Project::Create.perform do |project|

qa/qa/specs/features/repository/clone_spec.rb

@@ -9,7 +9,7 @@ module QA
       end
 
       before do
-        Runtime::Browser.visit(Page::Main::Login)
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
         Page::Main::Login.act { sign_in_using_credentials }
 
         Scenario::Gitlab::Project::Create.perform do |scenario|

qa/qa/specs/features/repository/push_spec.rb

@@ -2,7 +2,7 @@ module QA
   feature 'push code to repository', :core do
     context 'with regular account over http' do
       scenario 'user pushes code to the repository'  do
-        Runtime::Browser.visit(Page::Main::Login)
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
         Page::Main::Login.act { sign_in_using_credentials }
 
         Scenario::Gitlab::Project::Create.perform do |scenario|