GitNexus/gitnexus/test/unit/doctor-format.test.ts

import { describe, expect, it } from 'vitest';
import { displayWidth, padDisplayEnd } from '../../src/cli/doctor.js';

describe('doctor output formatting', () => {
  it('keeps ASCII padding equivalent to String.padEnd', () => {
    expect(displayWidth('OS:')).toBe(3);
    expect(padDisplayEnd('OS:', 10)).toBe('OS:'.padEnd(10));
  });

  it('pads CJK labels by terminal display width, not code-unit length', () => {
    const padded = padDisplayEnd('系统：', 10);

    expect(displayWidth('系统：')).toBe(6);
    expect(displayWidth(padded)).toBe(10);
    expect(padded).toBe('系统：    ');
  });

  it('does not truncate labels that are already wider than the target width', () => {
    expect(padDisplayEnd('图存储：', 4)).toBe('图存储：');
  });
});