1 files changed, 12 insertions, 0 deletions
diff --git a/spec/mailers/emails/service_desk_spec.rb b/spec/mailers/emails/service_desk_spec.rb
index 57fa990d399..995e6c006cd 100644
--- a/spec/mailers/emails/service_desk_spec.rb
+++ b/spec/mailers/emails/service_desk_spec.rb
@@ -115,6 +115,16 @@ RSpec.describe Emails::ServiceDesk do
     end
   end
 
+  shared_examples 'notification with metric event' do |event_type|
+    it 'adds metric event' do
+      metric_transaction = double('Gitlab::Metrics::WebTransaction', increment: true, observe: true)
+      allow(::Gitlab::Metrics::BackgroundTransaction).to receive(:current).and_return(metric_transaction)
+      expect(metric_transaction).to receive(:add_event).with(event_type)
+
+      subject.content_type
+    end
+  end
+
   describe '.service_desk_thank_you_email' do
     let_it_be(:reply_in_subject) { true }
     let_it_be(:default_text) do
@@ -124,6 +134,7 @@ RSpec.describe Emails::ServiceDesk do
     subject { ServiceEmailClass.service_desk_thank_you_email(issue.id) }
 
     it_behaves_like 'read template from repository', 'thank_you'
+    it_behaves_like 'notification with metric event', :service_desk_thank_you_email
 
     context 'handling template markdown' do
       context 'with a simple text' do
@@ -164,6 +175,7 @@ RSpec.describe Emails::ServiceDesk do
     subject { ServiceEmailClass.service_desk_new_note_email(issue.id, note.id, email) }
 
     it_behaves_like 'read template from repository', 'new_note'
+    it_behaves_like 'notification with metric event', :service_desk_new_note_email
 
     context 'handling template markdown' do
       context 'with a simple text' do