55 lines
1.8 KiB
TypeScript
55 lines
1.8 KiB
TypeScript
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { findNearestAnchor } from '../src/utils/helper/find-nearest-link-node';
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describe('findNearestAnchor', () => {
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// 设置 DOM 环境
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document.body.innerHTML = `
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<div>
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<a id="anchor1" href="#">
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<span id="spanInsideAnchor">Text inside anchor</span>
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</a>
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</div>
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<div>
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<span id="spanOutsideAnchor">Text outside anchor</span>
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</div>
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<a id="anchor2" href="#">Another anchor</a>
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`;
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const spanInsideAnchor = document.getElementById('spanInsideAnchor') as Node;
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const spanOutsideAnchor = document.getElementById(
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'spanOutsideAnchor',
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) as Node;
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const anchor1 = document.getElementById('anchor1') as Node;
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const anchor2 = document.getElementById('anchor2') as Node;
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it('should return the nearest anchor node when called from a descendant node', () => {
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const result = findNearestAnchor(spanInsideAnchor);
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expect(result).toBe(anchor1);
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});
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it('should return the node itself if it is an anchor', () => {
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const result = findNearestAnchor(anchor2);
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expect(result).toBe(anchor2);
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});
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it('should return null if there is no anchor ancestor', () => {
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const result = findNearestAnchor(spanOutsideAnchor);
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expect(result).toBeNull();
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});
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});
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