Hides pipeline ‘Failed Jobs’ tab when no jobs have failed

app/controllers/projects/pipelines_controller.rb

@@ -71,7 +71,11 @@ class Projects::PipelinesController < Projects::ApplicationController
   end
   def failures
-    render_show
+    if @pipeline.statuses.latest.failed.present?
+      render_show
+    else
+      redirect_to pipeline_path(@pipeline)
+    end
   end
   def status

app/views/projects/pipelines/_with_tabs.html.haml

+- failed_builds = @pipeline.statuses.latest.failed
+
 .tabs-holder
   %ul.pipelines-tabs.nav-links.no-top.no-bottom
     %li.js-pipeline-tab-link
@@ -7,10 +9,11 @@
       = link_to builds_namespace_project_pipeline_path(@project.namespace, @project, @pipeline), data: {target: 'div#js-tab-builds', action: 'builds', toggle: 'tab' }, class: 'builds-tab' do
         Jobs
         %span.badge.js-builds-counter= pipeline.statuses.count
-    %li.js-failures-tab-link
-      = link_to failures_namespace_project_pipeline_path(@project.namespace, @project, @pipeline), data: {target: 'div#js-tab-failures', action: 'failures', toggle: 'tab' }, class: 'failures-tab' do
-        Failures
-        %span.badge.js-failures-counter= pipeline.statuses.latest.failed.count
+    - if failed_builds.present?
+      %li.js-failures-tab-link
+        = link_to failures_namespace_project_pipeline_path(@project.namespace, @project, @pipeline), data: {target: 'div#js-tab-failures', action: 'failures', toggle: 'tab' }, class: 'failures-tab' do
+          Failed Jobs
+          %span.badge.js-failures-counter= failed_builds.count
 .tab-content
   #js-tab-pipeline.tab-pane
@@ -41,13 +44,13 @@
             %th Coverage
             %th
         = render partial: "projects/stage/stage", collection: pipeline.stages, as: :stage
-  #js-tab-failures.build-failures.tab-pane
-    - failed = @pipeline.statuses.latest.failed
-    - failed.each do |build|
-      .build-state
-        %span.ci-status-icon-failed= custom_icon('icon_status_failed')
-        %span.stage
-          = build.stage.titleize
-        %span.build-name
-          = render "notify/links/#{build.to_partial_path}", pipeline: @pipeline, build: build
-      %pre.build-log= build_summary(build)
+  - if failed_builds.present?
+    #js-tab-failures.build-failures.tab-pane
+      - failed_builds.each do |build|
+        .build-state
+          %span.ci-status-icon-failed= custom_icon('icon_status_failed')
+          %span.stage
+            = build.stage.titleize
+          %span.build-name
+            = render "notify/links/#{build.to_partial_path}", pipeline: @pipeline, build: build
+        %pre.build-log= build_summary(build)

spec/features/projects/pipelines/pipeline_spec.rb

@@ -269,6 +269,7 @@ describe 'Pipeline', :feature, :js do
       end
       it 'shows jobs tab pane as active' do
+        expect(page).to have_content('Failed Jobs')
         expect(page).to have_css('#js-tab-failures.active')
       end
@@ -291,5 +292,19 @@ describe 'Pipeline', :feature, :js do
         expect(page).to have_content('No job trace')
       end
     end
+
+    context 'without failures' do
+      before do
+        failed_build.update!(status: :success)
+
+        visit pipeline_failures_page
+      end
+
+      it 'displays the pipeline graph' do
+        expect(current_path).to eq(pipeline_path(pipeline))
+        expect(page).not_to have_content('Failed Jobs')
+        expect(page).to have_selector('.pipeline-visualization')
+      end
+    end
   end
 end