/**
 * Validator Tests
 */

import { describe, expect, test } from 'bun:test';
import { validateRequired } from './validators';

describe('validateRequired', () => {
  test('accepts non-empty strings', () => {
    const validator = validateRequired('Test field');
    expect(validator('value')).toBeUndefined();
    expect(validator('  text  ')).toBeUndefined();
  });

  test('allows undefined (for default values)', () => {
    const validator = validateRequired('Test field');
    expect(validator(undefined)).toBeUndefined();
  });

  test('rejects empty strings', () => {
    const validator = validateRequired('Test field');
    expect(validator('')).toBe('Test field is required');
    expect(validator('   ')).toBe('Test field is required');
  });

  test('uses custom field name in error message', () => {
    const validator = validateRequired('Custom field');
    expect(validator('')).toBe('Custom field is required');
  });
});