1 files changed, 33 insertions, 0 deletions
diff --git a/spec/lib/gitlab/seeder_spec.rb b/spec/lib/gitlab/seeder_spec.rb
new file mode 100644
index 00000000000..877461a7064
--- /dev/null
+++ b/spec/lib/gitlab/seeder_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Seeder do
+  describe '.quiet' do
+    it 'disables mail deliveries' do
+      expect(ActionMailer::Base.perform_deliveries).to eq(true)
+
+      described_class.quiet do
+        expect(ActionMailer::Base.perform_deliveries).to eq(false)
+      end
+
+      expect(ActionMailer::Base.perform_deliveries).to eq(true)
+    end
+
+    it 'disables new note notifications' do
+      note = create(:note_on_issue)
+
+      notification_service = NotificationService.new
+
+      expect(notification_service).to receive(:send_new_note_notifications).twice
+
+      notification_service.new_note(note)
+
+      described_class.quiet do
+        expect(notification_service.new_note(note)).to eq(nil)
+      end
+
+      notification_service.new_note(note)
+    end
+  end
+end