1 files changed, 34 insertions, 0 deletions
diff --git a/spec/support/shared_examples/services/alert_management/alert_processing/system_notes_shared_examples.rb b/spec/support/shared_examples/services/alert_management/alert_processing/system_notes_shared_examples.rb
new file mode 100644
index 00000000000..57d598c0259
--- /dev/null
+++ b/spec/support/shared_examples/services/alert_management/alert_processing/system_notes_shared_examples.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+# This shared_example includes the following option:
+# - notes: any of [:new_alert, :recovery_alert, :resolve_alert].
+#          Represents which notes are expected to be created.
+#
+# This shared_example requires the following variables:
+# - `source` (optional), the monitoring tool or integration name
+#                        expected in the applicable system notes
+RSpec.shared_examples 'creates expected system notes for alert' do |*notes|
+  let(:expected_note_count) { expected_notes.length }
+  let(:new_notes) { Note.last(expected_note_count).pluck(:note) }
+  let(:expected_notes) do
+    {
+      new_alert: source,
+      recovery_alert: source,
+      resolve_alert: 'Resolved'
+    }.slice(*notes)
+  end
+
+  it "for #{notes.join(', ')}" do
+    expect { subject }.to change(Note, :count).by(expected_note_count)
+
+    expected_notes.each_value.with_index do |value, index|
+      expect(new_notes[index]).to include(value)
+    end
+  end
+end
+
+RSpec.shared_examples 'does not create a system note for alert' do
+  specify do
+    expect { subject }.not_to change(Note, :count)
+  end
+end