/**
 * Tests for the mock data loader.
 */

import { loadTestDeviceData } from './mock-data-loader';

describe('MockDataLoader', () => {
  it('should load test device data from JSON file', () => {
    const data = loadTestDeviceData();

    expect(Array.isArray(data.devices)).toBe(true);
    expect(Array.isArray(data.groups)).toBe(true);
    expect(data.devices.length).toBeGreaterThan(0);
    expect(data.groups.length).toBeGreaterThan(0);
  });

  it('should load valid device structures', () => {
    const data = loadTestDeviceData();

    for (const device of data.devices) {
      expect(typeof device.id).toBe('string');
      expect(typeof device.name).toBe('string');
      expect(typeof device.groupId).toBe('string');
      expect(typeof device.groupName).toBe('string');
      expect(['online', 'offline', 'unknown']).toContain(device.status);
    }
  });

  it('should load valid group structures', () => {
    const data = loadTestDeviceData();

    for (const group of data.groups) {
      expect(typeof group.id).toBe('string');
      expect(typeof group.name).toBe('string');
      expect(typeof group.deviceCount).toBe('number');
    }
  });
});