72 lines
2.6 KiB
TypeScript
72 lines
2.6 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 { getAllNodesInRange } from '../src/utils/helper/get-all-nodes-in-range';
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describe('getAllNodesInRange', () => {
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let root: HTMLElement;
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beforeEach(() => {
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// Setting up the DOM structure before each test case
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document.body.innerHTML = `
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<div id="root">
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<span>Text 1</span>
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<div>
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<p>Text 2</p>
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</div>
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Text 3
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</div>
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`;
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root = document.getElementById('root') as HTMLElement;
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});
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it('should return all nodes within a range, including text and element nodes', () => {
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const range = new Range();
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range.setStart(root, 0); // Setup scope starts at the first sub-node of root
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range.setEnd(root, 3); // The setting range ends at the last sub-node of root.
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const nodes = getAllNodesInRange(range);
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// Expected to include: span, div, Text 3
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expect(nodes.length).toBe(5);
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expect((nodes[0] as Node).nodeType).toBe(Node.ELEMENT_NODE); // span
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expect((nodes[1] as Node).nodeType).toBe(Node.TEXT_NODE); // text
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expect((nodes[2] as Node).nodeType).toBe(Node.ELEMENT_NODE); // span
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expect((nodes[3] as Node).nodeType).toBe(Node.TEXT_NODE); // text
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expect((nodes[4] as Node).nodeType).toBe(Node.TEXT_NODE); // Text 3
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});
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it('should return an empty array if the range is collapsed', () => {
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const range = document.createRange();
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range.setStart(root, 1); // Set the start and end of the range at the same location
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range.setEnd(root, 1); // This will create a collapsed scope that contains no nodes
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const nodes = getAllNodesInRange(range);
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expect(nodes).toEqual([root]);
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});
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it('should correctly handle a range that only includes a text node', () => {
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const textNode = root.childNodes[2] as ChildNode; // Text 3
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const range = document.createRange();
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range.setStartBefore(textNode);
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range.setEndAfter(textNode);
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const nodes = getAllNodesInRange(range);
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expect(nodes.length).toBe(2);
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expect((nodes[0] as Node).nodeType).toBe(Node.ELEMENT_NODE); // Text 3
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expect((nodes[1] as Node).nodeType).toBe(Node.TEXT_NODE); // Text 3
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});
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});
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