coze-studio/frontend/packages/common/chat-area/text-grab/__tests__/find-nearest-link-node.test.ts

55 lines
1.8 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 { findNearestAnchor } from '../src/utils/helper/find-nearest-link-node';
describe('findNearestAnchor', () => {
// 设置 DOM 环境
document.body.innerHTML = `
<div>
<a id="anchor1" href="#">
<span id="spanInsideAnchor">Text inside anchor</span>
</a>
</div>
<div>
<span id="spanOutsideAnchor">Text outside anchor</span>
</div>
<a id="anchor2" href="#">Another anchor</a>
`;
const spanInsideAnchor = document.getElementById('spanInsideAnchor') as Node;
const spanOutsideAnchor = document.getElementById(
'spanOutsideAnchor',
) as Node;
const anchor1 = document.getElementById('anchor1') as Node;
const anchor2 = document.getElementById('anchor2') as Node;
it('should return the nearest anchor node when called from a descendant node', () => {
const result = findNearestAnchor(spanInsideAnchor);
expect(result).toBe(anchor1);
});
it('should return the node itself if it is an anchor', () => {
const result = findNearestAnchor(anchor2);
expect(result).toBe(anchor2);
});
it('should return null if there is no anchor ancestor', () => {
const result = findNearestAnchor(spanOutsideAnchor);
expect(result).toBeNull();
});
});