Copybara | 854996b | 2021-09-07 19:36:02 +0000 | [diff] [blame] | 1 | // Copyright 2020 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | import {assert} from 'chai'; |
| 6 | import sinon from 'sinon'; |
| 7 | import {ChopsFilterChips} from './chops-filter-chips.js'; |
| 8 | |
| 9 | /** @type {ChopsFilterChips} */ |
| 10 | let element; |
| 11 | |
| 12 | describe('chops-filter-chips', () => { |
| 13 | beforeEach(() => { |
| 14 | // @ts-ignore |
| 15 | element = document.createElement('chops-filter-chips'); |
| 16 | document.body.appendChild(element); |
| 17 | }); |
| 18 | |
| 19 | afterEach(() => { |
| 20 | document.body.removeChild(element); |
| 21 | }); |
| 22 | |
| 23 | it('initializes', () => { |
| 24 | assert.instanceOf(element, ChopsFilterChips); |
| 25 | }); |
| 26 | |
| 27 | it('renders', async () => { |
| 28 | element.options = ['one', 'two']; |
| 29 | element.selected = {two: true}; |
| 30 | await element.updateComplete; |
| 31 | |
| 32 | const firstChip = element.shadowRoot.firstElementChild; |
| 33 | assert.deepEqual(firstChip.className, ''); |
| 34 | assert.deepEqual(firstChip.thumbnail, ''); |
| 35 | |
| 36 | const lastChip = element.shadowRoot.lastElementChild; |
| 37 | assert.deepEqual(lastChip.className, 'selected'); |
| 38 | assert.deepEqual(lastChip.thumbnail, 'check'); |
| 39 | }); |
| 40 | |
| 41 | it('click', async () => { |
| 42 | const onChangeStub = sinon.stub(); |
| 43 | |
| 44 | element.options = ['one']; |
| 45 | await element.updateComplete; |
| 46 | |
| 47 | element.addEventListener('change', onChangeStub); |
| 48 | element.shadowRoot.firstElementChild.click(); |
| 49 | |
| 50 | assert.isTrue(element.selected.one); |
| 51 | sinon.assert.calledOnce(onChangeStub); |
| 52 | |
| 53 | element.shadowRoot.firstElementChild.click(); |
| 54 | |
| 55 | assert.isFalse(element.selected.one); |
| 56 | sinon.assert.calledTwice(onChangeStub); |
| 57 | }); |
| 58 | }); |