Add test case to check that branches are correctly listed after CRUD operations

7 files changed, 232 insertions, 26 deletions

diff --git a/qa/qa/git/repository.rb b/qa/qa/git/repository.rb
index 7f959441dac..86e00cdbb9c 100644
--- a/qa/qa/git/repository.rb
+++ b/qa/qa/git/repository.rb
@@ -46,12 +46,9 @@ module QA
         run("git clone #{opts} #{uri} ./")
       end
 
-      def checkout(branch_name)
-        run(%Q{git checkout "#{branch_name}"})
-      end
-
-      def checkout_new_branch(branch_name)
-        run(%Q{git checkout -b "#{branch_name}"})
+      def checkout(branch_name, new_branch: false)
+        opts = new_branch ? '-b' : ''
+        run(%Q{git checkout #{opts} "#{branch_name}"}).to_s
       end
 
       def shallow_clone
@@ -84,6 +81,10 @@ module QA
         run("git push #{uri} #{branch}")
       end
 
+      def merge(branch)
+        run("git merge #{branch}")
+      end
+
       def commits
         run('git log --oneline').split("\n")
       end
diff --git a/qa/qa/page/project/branches/show.rb b/qa/qa/page/project/branches/show.rb
new file mode 100644
index 00000000000..762a97e2088
--- /dev/null
+++ b/qa/qa/page/project/branches/show.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+module QA
+  module Page
+    module Project
+      module Branches
+        class Show < Page::Base
+          view 'app/views/projects/branches/_branch.html.haml' do
+            element :remove_btn
+          end
+          view 'app/views/projects/branches/_panel.html.haml' do
+            element :all_branches
+          end
+          view 'app/views/projects/branches/index.html.haml' do
+            element :delete_merged_branches
+          end
+
+          def delete_branch(branch_name)
+            within_element(:all_branches) do
+              within(".js-branch-#{branch_name}") do
+                accept_alert do
+                  find_element(:remove_btn).click
+                end
+              end
+            end
+          end
+
+          def has_branch_title?(branch_title)
+            within_element(:all_branches) do
+              within(".item-title") do
+                has_text?(branch_title)
+              end
+            end
+          end
+
+          def has_branch_with_badge?(branch_name, badge)
+            within_element(:all_branches) do
+              within(".js-branch-#{branch_name} .badge") do
+                has_text?(badge)
+              end
+            end
+          end
+
+          def delete_merged_branches
+            accept_alert do
+              click_element(:delete_merged_branches)
+            end
+          end
+
+          def wait_for_texts_not_to_be_visible(texts)
+            text_not_visible = wait do
+              texts.all? do |text|
+                has_no_text?(text)
+              end
+            end
+            raise "Expected text(s) #{texts} not to be visible" unless text_not_visible
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/qa/qa/page/project/menu.rb b/qa/qa/page/project/menu.rb
index 835e1ed00b5..a56031bb1eb 100644
--- a/qa/qa/page/project/menu.rb
+++ b/qa/qa/page/project/menu.rb
@@ -4,10 +4,12 @@ module QA
   module Page
     module Project
       class Menu < Page::Base
+        include SubMenus::Common
+        include SubMenus::Repository
+
         view 'app/views/layouts/nav/sidebar/_project.html.haml' do
           element :settings_item
           element :settings_link, 'link_to edit_project_path' # rubocop:disable QA/ElementWithPattern
-          element :repository_link, "title: _('Repository')" # rubocop:disable QA/ElementWithPattern
           element :link_pipelines
           element :link_members_settings
           element :pipelines_settings_link, "title: _('CI / CD')" # rubocop:disable QA/ElementWithPattern
@@ -85,12 +87,6 @@ module QA
           end
         end
 
-        def click_repository
-          within_sidebar do
-            click_link('Repository')
-          end
-        end
-
         def click_repository_settings
           hover_settings do
             within_submenu do
@@ -150,18 +146,6 @@ module QA
             yield
           end
         end
-
-        def within_sidebar
-          page.within('.sidebar-top-level-items') do
-            yield
-          end
-        end
-
-        def within_submenu
-          page.within('.fly-out-list') do
-            yield
-          end
-        end
       end
     end
   end
diff --git a/qa/qa/page/project/sub_menus/common.rb b/qa/qa/page/project/sub_menus/common.rb
new file mode 100644
index 00000000000..c94e1e85256
--- /dev/null
+++ b/qa/qa/page/project/sub_menus/common.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module QA
+  module Page
+    module Project
+      module SubMenus
+        module Common
+          def within_sidebar
+            within('.sidebar-top-level-items') do
+              yield
+            end
+          end
+
+          def within_submenu
+            within('.fly-out-list') do
+              yield
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/qa/qa/page/project/sub_menus/repository.rb b/qa/qa/page/project/sub_menus/repository.rb
new file mode 100644
index 00000000000..29eaa9a74de
--- /dev/null
+++ b/qa/qa/page/project/sub_menus/repository.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+module QA
+  module Page
+    module Project
+      module SubMenus
+        module Repository
+          def self.included(base)
+            base.class_eval do
+              view 'app/views/layouts/nav/sidebar/_project.html.haml' do
+                element :project_menu_repo
+                element :branches_link
+              end
+            end
+          end
+
+          def click_repository
+            within_sidebar do
+              click_element(:project_menu_repo)
+            end
+          end
+
+          def click_repository_branches
+            hover_repository do
+              within_submenu do
+                click_element(:branches_link)
+              end
+            end
+          end
+
+          private
+
+          def hover_repository
+            within_sidebar do
+              find_element(:project_menu_repo).hover
+
+              yield
+            end
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/qa/qa/resource/repository/push.rb b/qa/qa/resource/repository/push.rb
index c14d97ff7fb..f33aa0acef0 100644
--- a/qa/qa/resource/repository/push.rb
+++ b/qa/qa/resource/repository/push.rb
@@ -64,7 +64,7 @@ module QA
             repository.configure_identity(username, email)
 
             if new_branch
-              repository.checkout_new_branch(branch_name)
+              repository.checkout(branch_name, new_branch: true)
             else
               repository.checkout(branch_name)
             end
diff --git a/qa/qa/specs/features/browser_ui/3_create/repository/add_list_delete_branches_spec.rb b/qa/qa/specs/features/browser_ui/3_create/repository/add_list_delete_branches_spec.rb
new file mode 100644
index 00000000000..0f0c627d79a
--- /dev/null
+++ b/qa/qa/specs/features/browser_ui/3_create/repository/add_list_delete_branches_spec.rb
@@ -0,0 +1,92 @@
+# frozen_string_literal: true
+
+module QA
+  context 'Create' do
+    describe 'Create, list, and delete branches via web' do
+      master_branch = 'master'
+      second_branch = 'second-branch'
+      third_branch = 'third-branch'
+      file_1_master = 'file.txt'
+      file_2_master = 'other-file.txt'
+      file_second_branch = 'file-2.txt'
+      file_third_branch = 'file-3.txt'
+      first_commit_message_of_master_branch = "Add #{file_1_master}"
+      second_commit_message_of_master_branch = "Add #{file_2_master}"
+      commit_message_of_second_branch = "Add #{file_second_branch}"
+      commit_message_of_third_branch = "Add #{file_third_branch}"
+
+      before do
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
+        Page::Main::Login.perform(&:sign_in_using_credentials)
+
+        project = Resource::Project.fabricate! do |proj|
+          proj.name = 'project-qa-test'
+          proj.description = 'project for qa test'
+        end
+        project.visit!
+
+        Git::Repository.perform do |repository|
+          repository.uri = project.repository_http_location.uri
+          repository.use_default_credentials
+
+          repository.act do
+            clone
+            configure_identity('GitLab QA', 'root@gitlab.com')
+            commit_file(file_1_master, 'Test file content', first_commit_message_of_master_branch)
+            push_changes
+            checkout(second_branch, new_branch: true)
+            commit_file(file_second_branch, 'File 2 content', commit_message_of_second_branch)
+            push_changes(second_branch)
+            checkout(master_branch)
+            # This second commit on master is needed for the master branch to be ahead
+            # of the second branch, and when the second branch is merged to master it will
+            # show the 'merged' badge on it.
+            # Refer to the below issue note:
+            # https://gitlab.com/gitlab-org/gitlab-ce/issues/55524#note_126100848
+            commit_file(file_2_master, 'Other test file content', second_commit_message_of_master_branch)
+            push_changes
+            merge(second_branch)
+            push_changes
+            checkout(third_branch, new_branch: true)
+            commit_file(file_third_branch, 'File 3 content', commit_message_of_third_branch)
+            push_changes(third_branch)
+          end
+        end
+        Page::Project::Show.perform(&:wait_for_push)
+      end
+
+      it 'branches are correctly listed after CRUD operations' do
+        Page::Project::Menu.perform(&:click_repository_branches)
+
+        expect(page).to have_content(master_branch)
+        expect(page).to have_content(second_branch)
+        expect(page).to have_content(third_branch)
+        expect(page).to have_content("Merge branch 'second-branch'")
+        expect(page).to have_content(commit_message_of_second_branch)
+        expect(page).to have_content(commit_message_of_third_branch)
+
+        Page::Project::Branches::Show.perform do |branches|
+          expect(branches).to have_branch_with_badge(second_branch, 'merged')
+        end
+
+        Page::Project::Branches::Show.perform do |branches_view|
+          branches_view.delete_branch(third_branch)
+        end
+
+        expect(page).not_to have_content(third_branch)
+
+        Page::Project::Branches::Show.perform(&:delete_merged_branches)
+
+        expect(page).to have_content(
+          'Merged branches are being deleted. This can take some time depending on the number of branches. Please refresh the page to see changes.'
+        )
+
+        page.refresh
+        Page::Project::Branches::Show.perform do |branches_view|
+          branches_view.wait_for_texts_not_to_be_visible([commit_message_of_second_branch])
+          expect(branches_view).not_to have_branch_title(second_branch)
+        end
+      end
+    end
+  end
+end