1 files changed, 32 insertions, 0 deletions
diff --git a/spec/presenters/prometheus_alert_presenter_spec.rb b/spec/presenters/prometheus_alert_presenter_spec.rb
new file mode 100644
index 00000000000..b9f18e2be28
--- /dev/null
+++ b/spec/presenters/prometheus_alert_presenter_spec.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe PrometheusAlertPresenter do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:environment) { create(:environment, project: project) }
+
+  let(:presenter) { described_class.new(prometheus_alert) }
+
+  describe '#humanized_text' do
+    subject { presenter.humanized_text }
+
+    let_it_be(:prometheus_metric) { create(:prometheus_metric, project: project) }
+    let(:prometheus_alert) { create(:prometheus_alert, operator: operator, project: project, environment: environment, prometheus_metric: prometheus_metric) }
+    let(:operator) { :gt }
+
+    it { is_expected.to eq('exceeded 1.0m/s') }
+
+    context 'when operator is eq' do
+      let(:operator) { :eq }
+
+      it { is_expected.to eq('is equal to 1.0m/s') }
+    end
+
+    context 'when operator is lt' do
+      let(:operator) { :lt }
+
+      it { is_expected.to eq('is less than 1.0m/s') }
+    end
+  end
+end