Add basic coverage for `CreateFeaturedTagService` class (#29321)

spec/services/create_featured_tag_service_spec.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe CreateFeaturedTagService do
+  describe '#call' do
+    let(:tag) { 'test' }
+
+    context 'with a local account' do
+      let(:account) { Fabricate(:account, domain: nil) }
+
+      it 'creates a new featured tag and distributes' do
+        expect { subject.call(account, tag) }
+          .to change(FeaturedTag, :count).by(1)
+        expect(ActivityPub::AccountRawDistributionWorker)
+          .to have_enqueued_sidekiq_job(anything, account.id)
+      end
+    end
+
+    context 'with a remote account' do
+      let(:account) { Fabricate(:account, domain: 'host.example') }
+
+      it 'creates a new featured tag and does not distributes' do
+        expect { subject.call(account, tag) }
+          .to change(FeaturedTag, :count).by(1)
+        expect(ActivityPub::AccountRawDistributionWorker)
+          .to_not have_enqueued_sidekiq_job
+      end
+    end
+  end
+end