1 files changed, 78 insertions, 1 deletions
diff --git a/spec/models/projects/topic_spec.rb b/spec/models/projects/topic_spec.rb
index 409dc932709..397c65f4d5c 100644
--- a/spec/models/projects/topic_spec.rb
+++ b/spec/models/projects/topic_spec.rb
@@ -3,12 +3,18 @@
 require 'spec_helper'
 
 RSpec.describe Projects::Topic do
-  let_it_be(:topic, reload: true) { create(:topic) }
+  let_it_be(:topic, reload: true) { create(:topic, name: 'topic') }
 
   subject { topic }
 
   it { expect(subject).to be_valid }
 
+  describe 'modules' do
+    subject { described_class }
+
+    it { is_expected.to include_module(Avatarable) }
+  end
+
   describe 'associations' do
     it { is_expected.to have_many(:project_topics) }
     it { is_expected.to have_many(:projects) }
@@ -18,5 +24,76 @@ RSpec.describe Projects::Topic do
     it { is_expected.to validate_presence_of(:name) }
     it { is_expected.to validate_uniqueness_of(:name) }
     it { is_expected.to validate_length_of(:name).is_at_most(255) }
+    it { is_expected.to validate_length_of(:description).is_at_most(1024) }
+  end
+
+  describe 'scopes' do
+    describe 'order_by_total_projects_count' do
+      let!(:topic1) { create(:topic, name: 'topicB') }
+      let!(:topic2) { create(:topic, name: 'topicC') }
+      let!(:topic3) { create(:topic, name: 'topicA') }
+      let!(:project1) { create(:project, topic_list: 'topicC, topicA, topicB') }
+      let!(:project2) { create(:project, topic_list: 'topicC, topicA') }
+      let!(:project3) { create(:project, topic_list: 'topicC') }
+
+      it 'sorts topics by total_projects_count' do
+        topics = described_class.order_by_total_projects_count
+
+        expect(topics.map(&:name)).to eq(%w[topicC topicA topicB topic])
+      end
+    end
+
+    describe 'reorder_by_similarity' do
+      let!(:topic1) { create(:topic, name: 'my-topic') }
+      let!(:topic2) { create(:topic, name: 'other') }
+      let!(:topic3) { create(:topic, name: 'topic2') }
+
+      it 'sorts topics by similarity' do
+        topics = described_class.reorder_by_similarity('topic')
+
+        expect(topics.map(&:name)).to eq(%w[topic my-topic topic2 other])
+      end
+    end
+  end
+
+  describe '#search' do
+    it 'returns topics with a matching name' do
+      expect(described_class.search(topic.name)).to eq([topic])
+    end
+
+    it 'returns topics with a partially matching name' do
+      expect(described_class.search(topic.name[0..2])).to eq([topic])
+    end
+
+    it 'returns topics with a matching name regardless of the casing' do
+      expect(described_class.search(topic.name.upcase)).to eq([topic])
+    end
+  end
+
+  describe '#avatar_type' do
+    it "is true if avatar is image" do
+      topic.update_attribute(:avatar, 'uploads/avatar.png')
+      expect(topic.avatar_type).to be_truthy
+    end
+
+    it "is false if avatar is html page" do
+      topic.update_attribute(:avatar, 'uploads/avatar.html')
+      topic.avatar_type
+
+      expect(topic.errors.added?(:avatar, "file format is not supported. Please try one of the following supported formats: png, jpg, jpeg, gif, bmp, tiff, ico, webp")).to be true
+    end
+  end
+
+  describe '#avatar_url' do
+    context 'when avatar file is uploaded' do
+      before do
+        topic.update!(avatar: fixture_file_upload("spec/fixtures/dk.png"))
+      end
+
+      it 'shows correct avatar url' do
+        expect(topic.avatar_url).to eq(topic.avatar.url)
+        expect(topic.avatar_url(only_path: false)).to eq([Gitlab.config.gitlab.url, topic.avatar.url].join)
+      end
+    end
   end
 end