1 files changed, 62 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/alert_details/alert_metrics_spec.js b/spec/frontend/vue_shared/alert_details/alert_metrics_spec.js
new file mode 100644
index 00000000000..c75909651d7
--- /dev/null
+++ b/spec/frontend/vue_shared/alert_details/alert_metrics_spec.js
@@ -0,0 +1,62 @@
+import { shallowMount } from '@vue/test-utils';
+import MockAdapter from 'axios-mock-adapter';
+import axios from 'axios';
+import waitForPromises from 'helpers/wait_for_promises';
+import AlertMetrics from '~/vue_shared/alert_details/components/alert_metrics.vue';
+import MetricEmbed from '~/monitoring/components/embeds/metric_embed.vue';
+
+jest.mock('~/monitoring/stores', () => ({
+  monitoringDashboard: {},
+}));
+
+jest.mock('~/monitoring/components/embeds/metric_embed.vue', () => ({
+  render(h) {
+    return h('div');
+  },
+}));
+
+describe('Alert Metrics', () => {
+  let wrapper;
+  const mock = new MockAdapter(axios);
+
+  function mountComponent({ props } = {}) {
+    wrapper = shallowMount(AlertMetrics, {
+      propsData: {
+        ...props,
+      },
+    });
+  }
+
+  const findChart = () => wrapper.find(MetricEmbed);
+  const findEmptyState = () => wrapper.find({ ref: 'emptyState' });
+
+  afterEach(() => {
+    if (wrapper) {
+      wrapper.destroy();
+    }
+  });
+
+  afterAll(() => {
+    mock.restore();
+  });
+
+  describe('Empty state', () => {
+    it('should display a message when metrics dashboard url is not provided ', () => {
+      mountComponent();
+      expect(findChart().exists()).toBe(false);
+      expect(findEmptyState().text()).toBe("Metrics weren't available in the alerts payload.");
+    });
+  });
+
+  describe('Chart', () => {
+    it('should be rendered when dashboard url is provided', async () => {
+      mountComponent({ props: { dashboardUrl: 'metrics.url' } });
+
+      await waitForPromises();
+      await wrapper.vm.$nextTick();
+
+      expect(findEmptyState().exists()).toBe(false);
+      expect(findChart().exists()).toBe(true);
+    });
+  });
+});