Add QA tests for protected branches

app/views/projects/commits/_commit.html.haml

@@ -22,7 +22,7 @@
       = author_avatar(commit, size: 36)
 
     .commit-detail.flex-list
-      .commit-content
+      .commit-content.qa-commit-content
         - if view_details && merge_request
           = link_to commit.title, project_commit_path(project, commit.id, merge_request_iid: merge_request.iid), class: "commit-row-message item-title"
         - else

app/views/projects/protected_branches/_create_protected_branch.html.haml

@@ -7,8 +7,8 @@
 - content_for :push_access_levels do
   .push_access_levels-container
     = dropdown_tag('Select',
-                    options: { toggle_class: 'js-allowed-to-push wide',
-                    dropdown_class: 'dropdown-menu-selectable capitalize-header',
+                    options: { toggle_class: 'js-allowed-to-push qa-allowed-to-push-select wide',
+                    dropdown_class: 'dropdown-menu-selectable qa-allowed-to-push-dropdown capitalize-header',
                     data: { field_name: 'protected_branch[push_access_levels_attributes][0][access_level]', input_id: 'push_access_levels_attributes' }})
 
 = render 'projects/protected_branches/shared/create_protected_branch'

app/views/projects/protected_branches/_update_protected_branch.html.haml

@@ -6,5 +6,5 @@
 %td
   = hidden_field_tag "allowed_to_push_#{protected_branch.id}", protected_branch.push_access_levels.first.access_level
   = dropdown_tag( (protected_branch.push_access_levels.first.humanize || 'Select') ,
-                 options: { toggle_class: 'js-allowed-to-push', dropdown_class: 'dropdown-menu-selectable js-allowed-to-push-container capitalize-header',
+                 options: { toggle_class: 'js-allowed-to-push qa-allowed-to-push', dropdown_class: 'dropdown-menu-selectable js-allowed-to-push-container capitalize-header',
                  data: { field_name: "allowed_to_push_#{protected_branch.id}", access_level_id: protected_branch.push_access_levels.first.id }})

app/views/projects/protected_branches/shared/_branches_list.html.haml

@@ -1,4 +1,4 @@
-.protected-branches-list.js-protected-branches-list
+.protected-branches-list.js-protected-branches-list.qa-protected-branches-list
   - if @protected_branches.empty?
     .panel-heading
       %h3.panel-title

app/views/projects/protected_branches/shared/_dropdown.html.haml

@@ -1,8 +1,8 @@
 = f.hidden_field(:name)
 
 = dropdown_tag('Select branch or create wildcard',
-               options: { toggle_class: 'js-protected-branch-select js-filter-submit wide git-revision-dropdown-toggle',
-                          filter: true, dropdown_class: "dropdown-menu-selectable git-revision-dropdown", placeholder: "Search protected branches",
+               options: { toggle_class: 'js-protected-branch-select js-filter-submit wide git-revision-dropdown-toggle qa-protected-branch-select',
+                          filter: true, dropdown_class: "dropdown-menu-selectable git-revision-dropdown qa-protected-branch-dropdown", placeholder: "Search protected branches",
                           footer_content: true,
                           data: { show_no: true, show_any: true, show_upcoming: true,
                                   selected: params[:protected_branch_name],

app/views/projects/protected_branches/shared/_index.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       Protected Branches
-    %button.btn.js-settings-toggle{ type: 'button' }
+    %button.btn.js-settings-toggle.qa-expand-protected-branches{ type: 'button' }
       = expanded ? 'Collapse' : 'Expand'
     %p
       Keep stable branches secure and force developers to use merge requests.

app/views/projects/protected_branches/shared/_protected_branch.html.haml

@@ -2,7 +2,7 @@
 
 %tr.js-protected-branch-edit-form{ data: { url: namespace_project_protected_branch_path(@project.namespace, @project, protected_branch) } }
   %td
-    %span.ref-name= protected_branch.name
+    %span.ref-name.qa-protected-branch-name= protected_branch.name
 
     - if @project.root_ref?(protected_branch.name)
       %span.label.label-info.prepend-left-5 default

app/views/shared/_ref_switcher.html.haml

@@ -8,8 +8,8 @@
   - @options && @options.each do |key, value|
     = hidden_field_tag key, value, id: nil
   .dropdown
-    = dropdown_toggle dropdown_toggle_text, { toggle: "dropdown", selected: dropdown_toggle_text, ref: @ref, refs_url: refs_project_path(@project, sort: 'updated_desc'), field_name: 'ref', submit_form_on_click: true, visit: true }, { toggle_class: "js-project-refs-dropdown" }
-    .dropdown-menu.dropdown-menu-selectable.git-revision-dropdown.dropdown-menu-paging{ class: ("dropdown-menu-align-right" if local_assigns[:align_right]) }
+    = dropdown_toggle dropdown_toggle_text, { toggle: "dropdown", selected: dropdown_toggle_text, ref: @ref, refs_url: refs_project_path(@project, sort: 'updated_desc'), field_name: 'ref', submit_form_on_click: true, visit: true }, { toggle_class: "js-project-refs-dropdown qa-branches-select" }
+    .dropdown-menu.dropdown-menu-selectable.git-revision-dropdown.dropdown-menu-paging.qa-branches-dropdown{ class: ("dropdown-menu-align-right" if local_assigns[:align_right]) }
       .dropdown-page-one
         = dropdown_title _("Switch branch/tag")
         = dropdown_filter _("Search branches and tags")

qa/qa.rb

@@ -31,6 +31,7 @@ module QA
       autoload :Project, 'qa/factory/resource/project'
       autoload :MergeRequest, 'qa/factory/resource/merge_request'
       autoload :DeployKey, 'qa/factory/resource/deploy_key'
+      autoload :Branch, 'qa/factory/resource/branch'
       autoload :SecretVariable, 'qa/factory/resource/secret_variable'
       autoload :Runner, 'qa/factory/resource/runner'
       autoload :PersonalAccessToken, 'qa/factory/resource/personal_access_token'
@@ -132,6 +133,7 @@ module QA
         autoload :Repository, 'qa/page/project/settings/repository'
         autoload :CICD, 'qa/page/project/settings/ci_cd'
         autoload :DeployKeys, 'qa/page/project/settings/deploy_keys'
+        autoload :ProtectedBranches, 'qa/page/project/settings/protected_branches'
         autoload :SecretVariables, 'qa/page/project/settings/secret_variables'
         autoload :Runners, 'qa/page/project/settings/runners'
         autoload :MergeRequest, 'qa/page/project/settings/merge_request'

qa/qa/factory/resource/branch.rb

@@ -0,0 +1,73 @@
+module QA
+  module Factory
+    module Resource
+      class Branch < Factory::Base
+        attr_accessor :project, :branch_name, :allow_to_push, :protected
+
+        dependency Factory::Resource::Project, as: :project do |project|
+          project.name = 'protected-branch-project'
+        end
+
+        product :name do
+          Page::Project::Settings::Repository.act do
+            expand_protected_branches(&:last_branch_name)
+          end
+        end
+
+        product :push_allowance do
+          Page::Project::Settings::Repository.act do
+            expand_protected_branches(&:last_push_allowance)
+          end
+        end
+
+        def initialize
+          @branch_name = 'test/branch'
+          @allow_to_push = true
+          @protected = false
+        end
+
+        def fabricate!
+          project.visit!
+
+          Factory::Repository::Push.fabricate! do |resource|
+            resource.project = project
+            resource.file_name = 'kick-off.txt'
+            resource.commit_message = 'First commit'
+          end
+
+          branch = Factory::Repository::Push.fabricate! do |resource|
+            resource.project = project
+            resource.file_name = 'README.md'
+            resource.commit_message = 'Add readme'
+            resource.branch_name = "master:#{@branch_name}"
+          end
+
+          Page::Project::Show.act { wait_for_push }
+
+          # The upcoming process will make it access the Protected Branches page,
+          # select the already created branch and protect it according
+          # to `allow_to_push` variable.
+          return branch unless @protected
+
+          Page::Menu::Side.act do
+            click_repository_settings
+          end
+
+          Page::Project::Settings::Repository.perform do |setting|
+            setting.expand_protected_branches do |page|
+              page.select_branch(branch_name)
+
+              if allow_to_push
+                page.allow_devs_and_masters_to_push
+              else
+                page.allow_no_one_to_push
+              end
+
+              page.protect_branch
+            end
+          end
+        end
+      end
+    end
+  end
+end

qa/qa/git/repository.rb

@@ -1,11 +1,14 @@
 require 'cgi'
 require 'uri'
+require 'open3'
 
 module QA
   module Git
     class Repository
       include Scenario::Actable
 
+      attr_reader :push_error
+
       def self.perform(*args)
         Dir.mktmpdir do |dir|
           Dir.chdir(dir) { super }
@@ -65,7 +68,8 @@ module QA
       end
 
       def push_changes(branch = 'master')
-        `git push #{@uri.to_s} #{branch} #{suppress_output}`
+        # capture3 returns stdout, stderr and status.
+        _, @push_error, _ = Open3.capture3("git push #{@uri} #{branch} #{suppress_output}")
       end
 
       def commits

qa/qa/page/project/settings/protected_branches.rb

@@ -0,0 +1,69 @@
+module QA
+  module Page
+    module Project
+      module Settings
+        class ProtectedBranches < Page::Base
+          view 'app/views/projects/protected_branches/shared/_dropdown.html.haml' do
+            element :protected_branch_select
+            element :protected_branch_dropdown
+          end
+
+          view 'app/views/projects/protected_branches/_create_protected_branch.html.haml' do
+            element :allowed_to_push_select
+            element :allowed_to_push_dropdown
+          end
+
+          view 'app/views/projects/protected_branches/shared/_branches_list.html.haml' do
+            element :protected_branches_list
+          end
+
+          view 'app/views/projects/protected_branches/shared/_protected_branch.html.haml' do
+            element :protected_branch_name
+          end
+
+          def select_branch(branch_name)
+            click_element :protected_branch_select
+
+            within_element(:protected_branch_dropdown) do
+              click_on branch_name
+            end
+          end
+
+          def allow_no_one_to_push
+            allow_to_push('No one')
+          end
+
+          def allow_devs_and_masters_to_push
+            allow_to_push('Developers + Masters')
+          end
+
+          def protect_branch
+            click_on 'Protect'
+          end
+
+          def last_branch_name
+            within_element(:protected_branches_list) do
+              all('.qa-protected-branch-name').last
+            end
+          end
+
+          def last_push_allowance
+            within_element(:protected_branches_list) do
+              all('.qa-allowed-to-push').last
+            end
+          end
+
+          private
+
+          def allow_to_push(text)
+            click_element :allowed_to_push_select
+
+            within_element(:allowed_to_push_dropdown) do
+              click_on text
+            end
+          end
+        end
+      end
+    end
+  end
+end

qa/qa/page/project/settings/repository.rb

@@ -14,6 +14,12 @@ module QA
               DeployKeys.perform(&block)
             end
           end
+
+          def expand_protected_branches(&block)
+            expand_section('Protected Branches') do
+              ProtectedBranches.perform(&block)
+            end
+          end
         end
       end
     end

qa/qa/page/project/show.rb

@@ -21,6 +21,11 @@ module QA
           element :new_issue_link, "link_to 'New issue', new_project_issue_path(@project)"
         end
 
+        view 'app/views/shared/_ref_switcher.html.haml' do
+          element :branches_select
+          element :branches_dropdown
+        end
+
         def choose_repository_clone_http
           choose_repository_clone('HTTP', 'http')
         end
@@ -44,6 +49,18 @@ module QA
           find('.qa-project-name').text
         end
 
+        def switch_to_branch(branch_name)
+          find_element(:branches_select).click
+
+          within_element(:branches_dropdown) do
+            click_on branch_name
+          end
+        end
+
+        def last_commit_content
+          find_element(:commit_content).text
+        end
+
         def new_merge_request
           wait(reload: true) do
             has_css?(element_selector_css(:create_merge_request))

qa/qa/specs/features/repository/protected_branches_spec.rb

@@ -0,0 +1,63 @@
+module QA
+  feature 'branch protection support', :core do
+    given(:branch_name) { 'protected-branch' }
+    given(:commit_message) { 'Protected push commit message' }
+    given(:project) do
+      Factory::Resource::Project.fabricate! do |resource|
+        resource.name = 'protected-branch-project'
+      end
+    end
+    given(:location) do
+      Page::Project::Show.act do
+        choose_repository_clone_http
+        repository_location
+      end
+    end
+
+    before do
+      Runtime::Browser.visit(:gitlab, Page::Main::Login)
+      Page::Main::Login.act { sign_in_using_credentials }
+    end
+
+    scenario 'user is able to protect a branch' do
+      protected_branch = Factory::Resource::Branch.fabricate! do |resource|
+        resource.branch_name = branch_name
+        resource.project = project
+        resource.allow_to_push = true
+        resource.protected = true
+      end
+
+      expect(protected_branch.name).to have_content(branch_name)
+      expect(protected_branch.push_allowance).to have_content('Developers + Masters')
+    end
+
+    scenario 'users without authorization cannot push to protected branch' do
+      Factory::Resource::Branch.fabricate! do |resource|
+        resource.branch_name = branch_name
+        resource.project = project
+        resource.allow_to_push = false
+        resource.protected = true
+      end
+
+      project.visit!
+
+      Git::Repository.perform do |repository|
+        repository.location = location
+        repository.use_default_credentials
+
+        repository.act do
+          clone
+          configure_identity('GitLab QA', 'root@gitlab.com')
+          checkout('protected-branch')
+          commit_file('README.md', 'readme content', 'Add a readme')
+          push_changes('protected-branch')
+        end
+
+        expect(repository.push_error)
+          .to match(/remote\: GitLab\: You are not allowed to push code to protected branches on this project/)
+        expect(repository.push_error)
+          .to match(/\[remote rejected\] #{branch_name} -> #{branch_name} \(pre-receive hook declined\)/)
+      end
+    end
+  end
+end