Add specs for label search backend code

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/finders/labels_finder_spec.rb

@@ -14,7 +14,7 @@ describe LabelsFinder do
     let(:project_4) { create(:project, :public) }
     let(:project_5) { create(:project, namespace: group_1) }
 
-    let!(:project_label_1) { create(:label, project: project_1, title: 'Label 1') }
+    let!(:project_label_1) { create(:label, project: project_1, title: 'Label 1', description: 'awesome label') }
     let!(:project_label_2) { create(:label, project: project_2, title: 'Label 2') }
     let!(:project_label_4) { create(:label, project: project_4, title: 'Label 4') }
     let!(:project_label_5) { create(:label, project: project_5, title: 'Label 5') }
@@ -196,5 +196,19 @@ describe LabelsFinder do
         expect(finder.execute).to be_empty
       end
     end
+
+    context 'search by title and description' do
+      it 'returns labels with a partially matching title' do
+        finder = described_class.new(user, search: '(group)')
+
+        expect(finder.execute).to eq [group_label_1]
+      end
+
+      it 'returns labels with a partially matching description' do
+        finder = described_class.new(user, search: 'awesome')
+
+        expect(finder.execute).to eq [project_label_1]
+      end
+    end
   end
 end

spec/models/label_spec.rb

@@ -139,4 +139,20 @@ describe Label do
       end
     end
   end
+
+  describe '.search' do
+    let(:label) { create(:label, title: 'bug', description: 'incorrect behavior') }
+
+    it 'returns labels with a partially matching title' do
+      expect(described_class.search(label.title[0..2])).to eq([label])
+    end
+
+    it 'returns labels with a partially matching description' do
+      expect(described_class.search(label.description[0..5])).to eq([label])
+    end
+
+    it 'returns nothing' do
+      expect(described_class.search('feature')).to be_empty
+    end
+  end
 end