Add E2E spec to ensure that issue closes

Add E2E spec to test that issue closes with commit message

app/views/projects/commit/_commit_box.html.haml

@@ -5,7 +5,7 @@
     = render partial: 'signature', object: @commit.signature
     %strong
       #{ s_('CommitBoxTitle|Commit') }
-      %span.commit-sha= @commit.short_id
+      %span.commit-sha{ data: { qa_selector: 'commit_sha_content' } }= @commit.short_id
     = clipboard_button(text: @commit.id, title: _('Copy commit SHA to clipboard'))
     %span.d-none.d-sm-inline= _('authored')
     #{time_ago_with_tooltip(@commit.authored_date)}

app/views/shared/issuable/_close_reopen_button.html.haml

@@ -9,7 +9,7 @@
               class: "d-none d-sm-none d-md-block btn btn-grouped btn-close js-btn-issue-action #{issuable_button_visibility(issuable, true)}", title: "Close #{display_issuable_type}"
   - if can_reopen
     = link_to "Reopen #{display_issuable_type}", reopen_issuable_path(issuable), method: button_method,
-              class: "d-none d-sm-none d-md-block btn btn-grouped btn-reopen js-btn-issue-action #{issuable_button_visibility(issuable, false)}", title: "Reopen #{display_issuable_type}"
+              class: "d-none d-sm-none d-md-block btn btn-grouped btn-reopen js-btn-issue-action #{issuable_button_visibility(issuable, false)}", title: "Reopen #{display_issuable_type}", data: { qa_selector: 'reopen_issue_button' }
 - else
   - if can_update && !are_close_and_open_buttons_hidden
     = render 'shared/issuable/close_reopen_report_toggle', issuable: issuable

app/views/shared/issuable/_nav.html.haml

@@ -17,7 +17,7 @@
         #{issuables_state_counter_text(type, :closed, display_count)}
   - else
     %li{ class: active_when(params[:state] == 'closed') }>
-      = link_to page_filter_path(state: 'closed'), id: 'state-closed', title: 'Filter by issues that are currently closed.', data: { state: 'closed' } do
+      = link_to page_filter_path(state: 'closed'), id: 'state-closed', title: 'Filter by issues that are currently closed.', data: { state: 'closed', qa_selector: 'closed_issues_link' } do
         #{issuables_state_counter_text(type, :closed, display_count)}
 
   = render 'shared/issuable/nav_links/all', page_context_word: page_context_word, counter: issuables_state_counter_text(type, :all, display_count)

qa/qa/page/project/commit/show.rb

@@ -9,6 +9,7 @@ module QA
             element :options_button
             element :email_patches
             element :plain_diff
+            element :commit_sha_content
           end
 
           def select_email_patches
@@ -20,6 +21,10 @@ module QA
             click_element :options_button
             click_element :plain_diff
           end
+
+          def commit_sha
+            find_element(:commit_sha_content).text
+          end
         end
       end
     end

qa/qa/page/project/issue/index.rb

@@ -9,9 +9,17 @@ module QA
             element :issue_link, 'link_to issue.title' # rubocop:disable QA/ElementWithPattern
           end
 
+          view 'app/views/shared/issuable/_nav.html.haml' do
+            element :closed_issues_link
+          end
+
           def click_issue_link(title)
             click_link(title)
           end
+
+          def click_closed_issues_link
+            click_element :closed_issues_link
+          end
         end
       end
     end

qa/qa/page/project/issue/show.rb

@@ -37,6 +37,10 @@ module QA
             element :dropdown_menu_labels
           end
 
+          view 'app/views/shared/issuable/_close_reopen_button.html.haml' do
+            element :reopen_issue_button
+          end
+
           # Adds a comment to an issue
           # attachment option should be an absolute path
           def comment(text, attachment: nil, filter: :all_activities)

qa/qa/specs/features/browser_ui/2_plan/issue/close_issue_spec.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module QA
+  context 'Plan' do
+    describe 'Close issue' do
+      let(:issue_title) { 'issue title' }
+      let(:commit_message) { 'Closes' }
+
+      before do
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
+        Page::Main::Login.perform(&:sign_in_using_credentials)
+
+        issue = Resource::Issue.fabricate_via_api! do |issue|
+          issue.title = issue_title
+        end
+
+        @project = issue.project
+        @issue_id = issue.api_response[:iid]
+
+        # Initial commit should be pushed because
+        # the very first commit to the project doesn't close the issue
+        # https://gitlab.com/gitlab-org/gitlab-ce/issues/38965
+        push_commit('Initial commit')
+      end
+
+      it 'user closes an issue by pushing commit' do
+        push_commit("#{commit_message} ##{@issue_id}", false)
+
+        @project.visit!
+        Page::Project::Show.perform do |show|
+          show.click_commit(commit_message)
+        end
+        commit_sha = Page::Project::Commit::Show.perform(&:commit_sha)
+
+        Page::Project::Menu.perform(&:click_issues)
+        Page::Project::Issue::Index.perform do |index|
+          index.click_closed_issues_link
+          index.click_issue_link(issue_title)
+        end
+
+        Page::Project::Issue::Show.perform do |show|
+          expect(show).to have_element(:reopen_issue_button)
+          expect(show).to have_content("closed via commit #{commit_sha}")
+        end
+      end
+
+      def push_commit(commit_message, new_branch = true)
+        Resource::Repository::ProjectPush.fabricate! do |push|
+          push.commit_message = commit_message
+          push.new_branch = new_branch
+          push.file_content = commit_message
+          push.project = @project
+        end
+      end
+    end
+  end
+end