debian-mirror-gitlab/spec/frontend/releases/release_notification_service_spec.js

import {
  popCreateReleaseNotification,
  putCreateReleaseNotification,
} from '~/releases/release_notification_service';
import { createAlert, VARIANT_SUCCESS } from '~/alert';

jest.mock('~/alert');

describe('~/releases/release_notification_service', () => {
  const projectPath = 'test-project-path';
  const releaseName = 'test-release-name';

  const storageKey = `createRelease:${projectPath}`;

  describe('prepareCreateReleaseFlash', () => {
    it('should set the session storage with project path key and release name value', () => {
      putCreateReleaseNotification(projectPath, releaseName);

      const item = window.sessionStorage.getItem(storageKey);

      expect(item).toBe(releaseName);
    });
  });

  describe('showNotificationsIfPresent', () => {
    describe('if notification is prepared', () => {
      beforeEach(() => {
        window.sessionStorage.setItem(storageKey, releaseName);
        popCreateReleaseNotification(projectPath);
      });

      it('should remove storage key', () => {
        const item = window.sessionStorage.getItem(storageKey);

        expect(item).toBe(null);
      });

      it('should create an alert message', () => {
        expect(createAlert).toHaveBeenCalledTimes(1);
        expect(createAlert).toHaveBeenCalledWith({
          message: `Release ${releaseName} has been successfully created.`,
          variant: VARIANT_SUCCESS,
        });
      });
    });

    describe('if notification is not prepared', () => {
      beforeEach(() => {
        popCreateReleaseNotification(projectPath);
      });

      it('should not create an alert message', () => {
        expect(createAlert).toHaveBeenCalledTimes(0);
      });
    });
  });
});