49 lines
1.7 KiB
TypeScript
49 lines
1.7 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 { findLastChildNode } from '../src/utils/helper/find-last-child-node';
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describe('findLastChildNode', () => {
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it('should return the last child node of a nested node structure', () => {
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// Create a nested node structure
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const parentNode = document.createElement('div');
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const childNode1 = document.createElement('span');
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const childNode2 = document.createElement('p');
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const lastChildNode = document.createElement('a');
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parentNode.appendChild(childNode1);
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childNode1.appendChild(childNode2);
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childNode2.appendChild(lastChildNode);
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// Call the findLastChildNode function
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const result = findLastChildNode(parentNode);
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// Verify that the result is the deepest sub-node
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expect(result).toBe(lastChildNode);
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});
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it('should return the node itself if it has no children', () => {
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// Create a node without a sub-node
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const singleNode = document.createElement('div');
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// Call the findLastChildNode function
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const result = findLastChildNode(singleNode);
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// Verify whether the result is the node itself
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expect(result).toBe(singleNode);
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});
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});
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