import { getCpuTimes, getCpuUsage } from '../SystemUsage';

// Mock Logger module
jest.mock('../../Logger/Logger', () => ({
  error: () => jest.fn(),
  debug: () => jest.fn(),
  // eslint-disable-next-line @typescript-eslint/naming-convention
  Logger: jest.fn().mockImplementation(() => ({})),
}));

// Mock fs module
jest.mock('fs', () => ({
  readFileSync: jest.fn().mockReturnValue(undefined),
}));

describe('Test system usages - errors', () => {
  it('getCpuTimes', () => {
    const cpuTimes = getCpuTimes();

    expect(cpuTimes).toHaveProperty('cpuUserCodeTime');
    expect(cpuTimes.cpuUserCodeTime).toEqual(0);
    expect(cpuTimes).toHaveProperty('cpuKernelCodeTime');
    expect(cpuTimes.cpuKernelCodeTime).toEqual(0);
    expect(cpuTimes).toHaveProperty('cpuStartTime');
    expect(cpuTimes.cpuStartTime).toEqual(0);
  });

  it('getCpuUsage', () => {
    expect(getCpuUsage()).toEqual(0);
  });
});