1 files changed, 34 insertions, 1 deletions
diff --git a/spec/lib/gitlab/alerting/notification_payload_parser_spec.rb b/spec/lib/gitlab/alerting/notification_payload_parser_spec.rb
index f32095b3c86..889efae9585 100644
--- a/spec/lib/gitlab/alerting/notification_payload_parser_spec.rb
+++ b/spec/lib/gitlab/alerting/notification_payload_parser_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require 'spec_helper'
 
 describe Gitlab::Alerting::NotificationPayloadParser do
   describe '.call' do
@@ -89,6 +89,39 @@ describe Gitlab::Alerting::NotificationPayloadParser do
       end
     end
 
+    context 'with fingerprint' do
+      before do
+        payload[:fingerprint] = data
+      end
+
+      shared_examples 'fingerprint generation' do
+        it 'generates the fingerprint correctly' do
+          expect(result).to eq(Gitlab::AlertManagement::Fingerprint.generate(data))
+        end
+      end
+
+      context 'with blank fingerprint' do
+        it_behaves_like 'fingerprint generation' do
+          let(:data) { '   ' }
+          let(:result) { subject.dig('annotations', 'fingerprint') }
+        end
+      end
+
+      context 'with fingerprint given' do
+        it_behaves_like 'fingerprint generation' do
+          let(:data) { 'fingerprint' }
+          let(:result) { subject.dig('annotations', 'fingerprint') }
+        end
+      end
+
+      context 'with array fingerprint given' do
+        it_behaves_like 'fingerprint generation' do
+          let(:data) { [1, 'fingerprint', 'given'] }
+          let(:result) { subject.dig('annotations', 'fingerprint') }
+        end
+      end
+    end
+
     context 'when payload attributes have blank lines' do
       let(:payload) do
         {