72 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
/*
 | 
						||
 * Copyright 2025 coze-dev Authors
 | 
						||
 *
 | 
						||
 * Licensed under the Apache License, Version 2.0 (the "License");
 | 
						||
 * you may not use this file except in compliance with the License.
 | 
						||
 * You may obtain a copy of the License at
 | 
						||
 *
 | 
						||
 *     http://www.apache.org/licenses/LICENSE-2.0
 | 
						||
 *
 | 
						||
 * Unless required by applicable law or agreed to in writing, software
 | 
						||
 * distributed under the License is distributed on an "AS IS" BASIS,
 | 
						||
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						||
 * See the License for the specific language governing permissions and
 | 
						||
 * limitations under the License.
 | 
						||
 */
 | 
						||
 
 | 
						||
import { getAllNodesInRange } from '../src/utils/helper/get-all-nodes-in-range';
 | 
						||
 | 
						||
describe('getAllNodesInRange', () => {
 | 
						||
  let root: HTMLElement;
 | 
						||
 | 
						||
  beforeEach(() => {
 | 
						||
    // 在每个测试用例之前设置 DOM 结构
 | 
						||
    document.body.innerHTML = `
 | 
						||
      <div id="root">
 | 
						||
        <span>Text 1</span>
 | 
						||
        <div>
 | 
						||
          <p>Text 2</p>
 | 
						||
        </div>
 | 
						||
        Text 3
 | 
						||
      </div>
 | 
						||
    `;
 | 
						||
    root = document.getElementById('root') as HTMLElement;
 | 
						||
  });
 | 
						||
 | 
						||
  it('should return all nodes within a range, including text and element nodes', () => {
 | 
						||
    const range = new Range();
 | 
						||
    range.setStart(root, 0); // 设置范围开始于 root 的第一个子节点
 | 
						||
    range.setEnd(root, 3); // 设置范围结束于 root 的最后一个子节点
 | 
						||
 | 
						||
    const nodes = getAllNodesInRange(range);
 | 
						||
    // 预期包含:span, div, Text 3
 | 
						||
    expect(nodes.length).toBe(5);
 | 
						||
    expect((nodes[0] as Node).nodeType).toBe(Node.ELEMENT_NODE); // span
 | 
						||
    expect((nodes[1] as Node).nodeType).toBe(Node.TEXT_NODE); // text
 | 
						||
    expect((nodes[2] as Node).nodeType).toBe(Node.ELEMENT_NODE); // span
 | 
						||
    expect((nodes[3] as Node).nodeType).toBe(Node.TEXT_NODE); // text
 | 
						||
    expect((nodes[4] as Node).nodeType).toBe(Node.TEXT_NODE); // Text 3
 | 
						||
  });
 | 
						||
 | 
						||
  it('should return an empty array if the range is collapsed', () => {
 | 
						||
    const range = document.createRange();
 | 
						||
    range.setStart(root, 1); // 设置范围的开始和结束都在同一位置
 | 
						||
    range.setEnd(root, 1); // 这将创建一个折叠的范围,即没有包含任何节点
 | 
						||
 | 
						||
    const nodes = getAllNodesInRange(range);
 | 
						||
    expect(nodes).toEqual([root]);
 | 
						||
  });
 | 
						||
 | 
						||
  it('should correctly handle a range that only includes a text node', () => {
 | 
						||
    const textNode = root.childNodes[2] as ChildNode; // Text 3
 | 
						||
    const range = document.createRange();
 | 
						||
    range.setStartBefore(textNode);
 | 
						||
    range.setEndAfter(textNode);
 | 
						||
 | 
						||
    const nodes = getAllNodesInRange(range);
 | 
						||
    expect(nodes.length).toBe(2);
 | 
						||
    expect((nodes[0] as Node).nodeType).toBe(Node.ELEMENT_NODE); // Text 3
 | 
						||
    expect((nodes[1] as Node).nodeType).toBe(Node.TEXT_NODE); // Text 3
 | 
						||
  });
 | 
						||
});
 |