Add helpers for labels dropdown

app/helpers/labels_helper.rb

@@ -174,6 +174,39 @@ module LabelsHelper
     end
   end
+  def create_label_title(subject)
+    case subject
+    when Group
+      _('Create group label')
+    when Project
+      _('Create project label')
+    else
+      _('Create new label')
+    end
+  end
+
+  def manage_labels_title(subject)
+    case subject
+    when Group
+      _('Manage group labels')
+    when Project
+      _('Manage project labels')
+    else
+      _('Manage labels')
+    end
+  end
+
+  def view_labels_title(subject)
+    case subject
+    when Group
+      _('View group labels')
+    when Project
+      _('View project labels')
+    else
+      _('View labels')
+    end
+  end
+
   # Required for Banzai::Filter::LabelReferenceFilter
   module_function :render_colored_label, :text_color_for_bg, :escape_once
 end

spec/helpers/labels_helper_spec.rb

@@ -139,4 +139,76 @@ describe LabelsHelper do
       expect(text_color_for_bg('#000')).to eq '#FFFFFF'
     end
   end
+
+  describe 'create_label_title' do
+    set(:group) { create(:group) }
+
+    context 'with a group as subject' do
+      it 'returns "Create group label"' do
+        expect(create_label_title(group)).to eq 'Create group label'
+      end
+    end
+
+    context 'with a project as subject' do
+      set(:project) { create(:project, namespace: group) }
+
+      it 'returns "Create project label"' do
+        expect(create_label_title(project)).to eq 'Create project label'
+      end
+    end
+
+    context 'with no subject' do
+      it 'returns "Create new label"' do
+        expect(create_label_title(nil)).to eq 'Create new label'
+      end
+    end
+  end
+
+  describe 'manage_labels_title' do
+    set(:group) { create(:group) }
+
+    context 'with a group as subject' do
+      it 'returns "Manage group labels"' do
+        expect(manage_labels_title(group)).to eq 'Manage group labels'
+      end
+    end
+
+    context 'with a project as subject' do
+      set(:project) { create(:project, namespace: group) }
+
+      it 'returns "Manage project labels"' do
+        expect(manage_labels_title(project)).to eq 'Manage project labels'
+      end
+    end
+
+    context 'with no subject' do
+      it 'returns "Manage labels"' do
+        expect(manage_labels_title(nil)).to eq 'Manage labels'
+      end
+    end
+  end
+
+  describe 'view_labels_title' do
+    set(:group) { create(:group) }
+
+    context 'with a group as subject' do
+      it 'returns "View group labels"' do
+        expect(view_labels_title(group)).to eq 'View group labels'
+      end
+    end
+
+    context 'with a project as subject' do
+      set(:project) { create(:project, namespace: group) }
+
+      it 'returns "View project labels"' do
+        expect(view_labels_title(project)).to eq 'View project labels'
+      end
+    end
+
+    context 'with no subject' do
+      it 'returns "View labels"' do
+        expect(view_labels_title(nil)).to eq 'View labels'
+      end
+    end
+  end
 end