cli-diff-commands.spec.ts

jest.mock('@lerna-lite/diff', () => null);
const cliDiff = require('../cli-diff-commands');

describe('DiffCommand CLI options', () => {
  it('should log a console error when DiffCommand is not provided', async () => {
    const consoleSpy = jest.spyOn(console, 'error').mockImplementation(() => {});

    await cliDiff.handler();

    expect(consoleSpy).toHaveBeenCalledWith(
      expect.stringContaining('"@lerna-lite/diff" is optional and was not found.')
    );
  });
});