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@instructure/ui-react-utils

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A React utility library made by Instructure Inc.

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/* * The MIT License (MIT) * * Copyright (c) 2015 - present Instructure, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import '@testing-library/jest-dom'; import { passthroughProps } from '../passthroughProps'; describe('passthroughProps', () => { it('should passthrough standard dom attributes', () => { const props = { id: 'myId', title: 'My title' }; expect(Object.keys(passthroughProps(props)).length).toEqual(2); }); it('should passthrough data attributes', () => { const props = { 'data-test': true }; expect(Object.keys(passthroughProps(props)).length).toEqual(1); }); it('should passthrough valid react props', () => { const props = { ref: () => {}, innerHTML: '<span>hello world</span>' }; expect(Object.keys(passthroughProps(props)).length).toEqual(2); }); it('should passthrough props prefixed with "on"', () => { const props = { onClick: () => {}, onCustomCallback: () => {}, onChange: () => {} }; expect(Object.keys(passthroughProps(props)).length).toEqual(3); }); it('should omit invalid props', () => { const props = { myCustomProp: 'hello' }; expect(Object.keys(passthroughProps(props)).length).toEqual(0); }); it('should omit certain react props', () => { const props = { style: { color: 'blue' }, className: 'myClass', children: 'hello world', theme: { themeVar: 'myColor' } }; expect(Object.keys(passthroughProps(props)).length).toEqual(0); }); it('should passthrough and omit correct props', () => { const props = { id: 'myId', title: 'My title', 'data-test': true, className: 'myClassName', children: 'hello world', style: { color: 'blue' }, theme: { themeVar: 'myColor' }, withSomething: false, onCustomCallback: null, onChange: null }; expect(passthroughProps(props)).toEqual({ id: 'myId', title: 'My title', 'data-test': true, onCustomCallback: null, onChange: null }); }); });