74 lines
2 KiB
JavaScript
74 lines
2 KiB
JavaScript
import chai from 'chai';
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const { expect } = chai;
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import getScrollParent from '../../src/utils/getScrollParent';
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describe('utils/getOffsetParent', () => {
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let node;
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beforeEach(() => {
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node = document.createElement('div');
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});
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it('element is just appended to the body', () => {
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document.body.appendChild(node);
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expect(getScrollParent(node)).to.equal(document.body);
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document.body.removeChild(node);
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});
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describe('element is inside scrollable element', () => {
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let parent;
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beforeEach(() => {
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parent = document.createElement('div');
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parent.appendChild(node);
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document.body.appendChild(parent);
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});
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afterEach(() => {
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document.body.removeChild(parent);
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});
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[
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{ key: 'overflow', value: 'scroll' },
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{ key: 'overflowX', value: 'scroll' },
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{ key: 'overflowY', value: 'scroll' },
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{ key: 'overflow', value: 'auto' },
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{ key: 'overflowX', value: 'auto' },
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{ key: 'overflowY', value: 'auto' },
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].forEach(obj => {
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it(`${obj.key}: ${obj.value}`, () => {
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parent.style[obj.key] = obj.value;
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expect(getScrollParent(node)).to.equal(parent);
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});
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});
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});
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describe('element is deep inside scrollable element', () => {
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let parent;
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beforeEach(() => {
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parent = document.createElement('div');
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parent.innerHTML = '<div><div></div></div>';
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parent.firstChild.firstChild.appendChild(node);
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document.body.appendChild(parent);
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});
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afterEach(() => {
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document.body.removeChild(parent);
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});
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[
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{ key: 'overflow', value: 'scroll' },
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{ key: 'overflowX', value: 'scroll' },
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{ key: 'overflowY', value: 'scroll' },
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{ key: 'overflow', value: 'auto' },
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{ key: 'overflowX', value: 'auto' },
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{ key: 'overflowY', value: 'auto' },
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].forEach(obj => {
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it(`${obj.key}: ${obj.value}`, () => {
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parent.style[obj.key] = obj.value;
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expect(getScrollParent(node)).to.equal(parent);
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});
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});
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});
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});
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