import React from 'react';
import { extractTextFromReactNode } from '../extract-text-react-node';

describe('extractTextFromReactNode', () => {
  it('从字符串节点中提取文本', () => {
    expect(extractTextFromReactNode('Hello, World!')).toBe('Hello, World!');
  });

  it('从数字节点中提取文本', () => {
    expect(extractTextFromReactNode(12345)).toBe('12345');
  });

  it('从简单的 React 元素中提取文本', () => {
    expect(extractTextFromReactNode(<div>Simple Text</div>)).toBe(
      'Simple Text',
    );
  });

  it('递归提取嵌套 React 元素中的文本', () => {
    const nested = (
      <div>
        <span>Hello</span> <span>World</span>
      </div>
    );
    expect(extractTextFromReactNode(nested)).toBe('Hello World');
  });

  it('从数组节点中提取文本', () => {
    const nodeArray = ['Text1', <span key="2">Text2</span>, 'Text3'];
    expect(extractTextFromReactNode(nodeArray)).toBe('Text1Text2Text3');
  });

  it('从混合类型的 React 子节点中提取文本', () => {
    const mixed = (
      <div>
        Text and <span>more text</span>!
      </div>
    );
    expect(extractTextFromReactNode(mixed)).toBe('Text and more text!');
  });

  it('当没有节点提供时返回空字符串', () => {
    expect(extractTextFromReactNode(undefined)).toBe('');
    expect(extractTextFromReactNode(null)).toBe('');
  });

  it('截取超过 200 个字符的内容', () => {
    const longText = 'a'.repeat(300);
    expect(extractTextFromReactNode(longText)).toBe('a'.repeat(200));
  });

  it('正确处理包含超过 200 个字符的混合类型节点', () => {
    const mixed = (
      <div>
        {'a'.repeat(100)}
        <span>{'b'.repeat(120)}</span>
        {'c'.repeat(150)}
      </div>
    );
    expect(extractTextFromReactNode(mixed)).toBe(
      'a'.repeat(100) + 'b'.repeat(100),
    );
  });
});