packages/core/src/utils/user_id.test.ts


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/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import { describe, it, expect } from 'vitest';
import { getInstallationId } from './user_id.js';

describe('user_id', () => {
  describe('getInstallationId', () => {
    it('should return a valid UUID format string', () => {
      const installationId = getInstallationId();

      expect(installationId).toBeDefined();
      expect(typeof installationId).toBe('string');
      expect(installationId.length).toBeGreaterThan(0);

      // Should return the same ID on subsequent calls (consistent)
      const secondCall = getInstallationId();
      expect(secondCall).toBe(installationId);
    });
  });
});