Add alert metric images service spec

app/assets/javascripts/vue_shared/alert_details/service.js

@@ -6,7 +6,7 @@ import {
 } from '~/rest_api';
 import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
 
-function replaceModelIId(payload) {
+function replaceModelIId(payload = {}) {
   delete Object.assign(payload, { alertIid: payload.modelIid }).modelIid;
   return payload;
 }

spec/frontend/vue_shared/alert_details/service_spec.js

+import { fileList, fileListRaw } from 'jest/vue_shared/components/metric_images/mock_data';
+import {
+  getMetricImages,
+  uploadMetricImage,
+  updateMetricImage,
+  deleteMetricImage,
+} from '~/vue_shared/alert_details/service';
+import * as alertManagementAlertsApi from '~/api/alert_management_alerts_api';
+
+jest.mock('~/api/alert_management_alerts_api');
+
+describe('Alert details service', () => {
+  it('fetches metric images', async () => {
+    alertManagementAlertsApi.fetchAlertMetricImages.mockResolvedValue({ data: fileListRaw });
+    const result = await getMetricImages();
+
+    expect(alertManagementAlertsApi.fetchAlertMetricImages).toHaveBeenCalled();
+    expect(result).toEqual(fileList);
+  });
+
+  it('uploads a metric image', async () => {
+    alertManagementAlertsApi.uploadAlertMetricImage.mockResolvedValue({ data: fileListRaw[0] });
+    const result = await uploadMetricImage();
+
+    expect(alertManagementAlertsApi.uploadAlertMetricImage).toHaveBeenCalled();
+    expect(result).toEqual(fileList[0]);
+  });
+
+  it('updates a metric image', async () => {
+    alertManagementAlertsApi.updateAlertMetricImage.mockResolvedValue({ data: fileListRaw[0] });
+    const result = await updateMetricImage();
+
+    expect(alertManagementAlertsApi.updateAlertMetricImage).toHaveBeenCalled();
+    expect(result).toEqual(fileList[0]);
+  });
+
+  it('deletes a metric image', async () => {
+    alertManagementAlertsApi.deleteAlertMetricImage.mockResolvedValue({ data: '' });
+    const result = await deleteMetricImage();
+
+    expect(alertManagementAlertsApi.deleteAlertMetricImage).toHaveBeenCalled();
+    expect(result).toEqual({});
+  });
+});