Clue. 让想法，沿着线索
成为结果。

export function greeting(name: string): string {
  return `你好，${name}`;
}

export default 'Hello, LuoJin';

import { describe, it, expect } from 'vitest';
import { greeting } from './hello';
import helloDefault from './hello';

describe('greeting', () => {
  it('包含问候语', () => {
    expect(greeting('LuoJin')).toContain('你好');
  });
  it('默认导出为字符串', () => {
    expect(typeof helloDefault).toBe('string');
  });
  it('传入名字时正确拼接', () => {
    expect(greeting('LuoJin')).toContain('LuoJin');
  });
});