1226 lines
52 KiB
JavaScript
1226 lines
52 KiB
JavaScript
import '@lion/listbox/lion-option.js';
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import { expect, fixture, html, defineCE, unsafeStatic } from '@open-wc/testing';
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import sinon from 'sinon';
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import '../lion-combobox.js';
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import { LionOptions } from '@lion/listbox/src/LionOptions.js';
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import { browserDetection, LitElement } from '@lion/core';
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import { Required } from '@lion/form-core';
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/**
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* @typedef {import('../src/LionCombobox.js').LionCombobox} LionCombobox
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* @typedef {import('../types/SelectionDisplay').SelectionDisplay} SelectionDisplay
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*/
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/**
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* @param {LionCombobox} el
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* @param {string} value
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*/
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function mimicUserTyping(el, value) {
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el._inputNode.dispatchEvent(new Event('focusin', { bubbles: true }));
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// eslint-disable-next-line no-param-reassign
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el._inputNode.value = value;
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el._inputNode.dispatchEvent(new Event('input', { bubbles: true, composed: true }));
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el._overlayInvokerNode.dispatchEvent(new Event('keydown'));
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}
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/**
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* @param {LionCombobox} el
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* @param {string[]} values
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*/
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async function mimicUserTypingAdvanced(el, values) {
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const inputNode = /** @type {HTMLInputElement & {selectionStart:number, selectionEnd:number}} */ (el._inputNode);
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inputNode.dispatchEvent(new Event('focusin', { bubbles: true }));
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let hasSelection = inputNode.selectionStart !== inputNode.selectionEnd;
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for (const key of values) {
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// eslint-disable-next-line no-await-in-loop, no-loop-func
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await new Promise(resolve => {
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setTimeout(() => {
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if (key === 'Backspace') {
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if (hasSelection) {
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inputNode.value =
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inputNode.value.slice(0, inputNode.selectionStart) +
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inputNode.value.slice(inputNode.selectionEnd, inputNode.value.length);
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} else {
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inputNode.value = inputNode.value.slice(0, -1);
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}
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} else if (hasSelection) {
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inputNode.value =
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inputNode.value.slice(0, inputNode.selectionStart) +
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key +
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inputNode.value.slice(inputNode.selectionEnd, inputNode.value.length);
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} else {
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inputNode.value += key;
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}
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hasSelection = false;
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inputNode.dispatchEvent(new KeyboardEvent('keydown', { key }));
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el._inputNode.dispatchEvent(new Event('input', { bubbles: true, composed: true }));
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resolve();
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});
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});
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}
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}
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/**
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* @param {LionCombobox} el
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*/
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function getFilteredOptionValues(el) {
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const options = el.formElements;
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/**
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* @param {{ style: { display: string; }; }} option
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*/
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const filtered = options.filter(option => option.getAttribute('aria-hidden') !== 'true');
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/**
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* @param {{ value: any; }} option
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*/
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return filtered.map(option => option.value);
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}
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/**
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* @param {{ autocomplete?:'none'|'list'|'both', matchMode?:'begin'|'all' }} [config]
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*/
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async function fruitFixture({ autocomplete, matchMode } = {}) {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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if (autocomplete) {
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el.autocomplete = autocomplete;
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}
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if (matchMode) {
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el.matchMode = matchMode;
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}
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await el.updateComplete;
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return [el, el.formElements];
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}
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describe('lion-combobox', () => {
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describe('Options', () => {
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describe('showAllOnEmpty', () => {
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it('hides options when text in input node is cleared after typing something by default', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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const options = el.formElements;
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const visibleOptions = () => options.filter(o => o.getAttribute('aria-hidden') !== 'true');
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async function performChecks() {
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mimicUserTyping(el, 'c');
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await el.updateComplete;
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expect(visibleOptions().length).to.equal(4);
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mimicUserTyping(el, '');
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await el.updateComplete;
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expect(visibleOptions().length).to.equal(0);
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}
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// FIXME: autocomplete 'none' should have this behavior as well
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// el.autocomplete = 'none';
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// await performChecks();
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el.autocomplete = 'list';
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await performChecks();
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el.autocomplete = 'inline';
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await performChecks();
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el.autocomplete = 'both';
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await performChecks();
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});
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it('keeps showing options when text in input node is cleared after typing something', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" autocomplete="list" show-all-on-empty>
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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const options = el.formElements;
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const visibleOptions = () => options.filter(o => o.getAttribute('aria-hidden') !== 'true');
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async function performChecks() {
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mimicUserTyping(el, 'c');
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await el.updateComplete;
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expect(visibleOptions().length).to.equal(4);
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mimicUserTyping(el, '');
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await el.updateComplete;
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expect(visibleOptions().length).to.equal(options.length);
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}
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el.autocomplete = 'none';
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await performChecks();
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el.autocomplete = 'list';
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await performChecks();
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el.autocomplete = 'inline';
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await performChecks();
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el.autocomplete = 'both';
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await performChecks();
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});
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});
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});
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describe('Structure', () => {
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it('has a listbox node', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
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<lion-option .choiceValue="${'20'}">Item 2</lion-option>
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</lion-combobox>
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`));
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expect(el._listboxNode).to.exist;
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expect(el._listboxNode).to.be.instanceOf(LionOptions);
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expect(el.querySelector('[role=listbox]')).to.equal(el._listboxNode);
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});
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it('has a textbox element', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
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<lion-option .choiceValue="${'20'}">Item 2</lion-option>
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</lion-combobox>
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`));
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expect(el._comboboxNode).to.exist;
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expect(el.querySelector('[role=combobox]')).to.equal(el._comboboxNode);
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});
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});
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describe('Values', () => {
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it('syncs modelValue with textbox', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" .modelValue="${'10'}">
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<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
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<lion-option .choiceValue="${'20'}">Item 2</lion-option>
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</lion-combobox>
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`));
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expect(el._inputNode.value).to.equal('10');
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el.modelValue = '20';
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await el.updateComplete;
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expect(el._inputNode.value).to.equal('20');
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});
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it('sets modelValue to empty string if no option is selected', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" .modelValue="${'Artichoke'}">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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expect(el.modelValue).to.equal('Artichoke');
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expect(el.formElements[0].checked).to.be.true;
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el.checkedIndex = -1;
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await el.updateComplete;
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expect(el.modelValue).to.equal('');
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expect(el.formElements[0].checked).to.be.false;
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});
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it('sets modelValue to empty array if no option is selected for multiple choice', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" multiple-choice .modelValue="${['Artichoke']}">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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expect(el.modelValue).to.eql(['Artichoke']);
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expect(el.formElements[0].checked).to.be.true;
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el.checkedIndex = [];
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await el.updateComplete;
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expect(el.modelValue).to.eql([]);
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expect(el.formElements[0].checked).to.be.false;
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});
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});
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describe('Listbox visibility', () => {
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it('does not show listbox on focusin', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" multiple-choice>
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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expect(el.opened).to.equal(false);
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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await el.updateComplete;
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expect(el.opened).to.equal(false);
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});
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it('shows listbox again after select and char keydown', async () => {
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/**
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* Scenario:
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* [1] user focuses textbox: listbox hidden
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* [2] user types char: listbox shows
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* [3] user selects "Artichoke": listbox closes, textbox gets value "Artichoke" and textbox
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* still has focus
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* [4] user changes textbox value to "Artichoke": the listbox should show again
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*/
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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const options = el.formElements;
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expect(el.opened).to.equal(false);
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// step [1]
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el._inputNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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await el.updateComplete;
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expect(el.opened).to.equal(false);
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// step [2]
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mimicUserTyping(el, 'c');
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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// step [3]
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options[0].click();
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await el.updateComplete;
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expect(el.opened).to.equal(false);
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expect(document.activeElement).to.equal(el._inputNode);
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// step [4]
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el._inputNode.value = '';
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el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'c' }));
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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});
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it('hides (and clears) listbox on [Escape]', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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// open
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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mimicUserTyping(el, 'art');
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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expect(el._inputNode.value).to.equal('Artichoke');
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el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape' }));
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expect(el.opened).to.equal(false);
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expect(el._inputNode.value).to.equal('');
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});
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it('hides listbox on [Tab]', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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// open
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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mimicUserTyping(el, 'art');
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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expect(el._inputNode.value).to.equal('Artichoke');
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el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Tab' }));
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expect(el.opened).to.equal(false);
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expect(el._inputNode.value).to.equal('Artichoke');
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});
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it('clears checkedIndex on empty text', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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// open
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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mimicUserTyping(el, 'art');
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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expect(el._inputNode.value).to.equal('Artichoke');
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expect(el.checkedIndex).to.equal(0);
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el._inputNode.value = '';
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mimicUserTyping(el, '');
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el.opened = false;
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await el.updateComplete;
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expect(el.checkedIndex).to.equal(-1);
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});
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describe('Accessibility', () => {
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it('sets "aria-posinset" and "aria-setsize" on visible entries', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo" multiple-choice>
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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const options = el.formElements;
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expect(el.opened).to.equal(false);
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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mimicUserTyping(el, 'art');
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await el.updateComplete;
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expect(el.opened).to.equal(true);
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const visibleOptions = options.filter(o => o.style.display !== 'none');
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visibleOptions.forEach((o, i) => {
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expect(o.getAttribute('aria-posinset')).to.equal(`${i + 1}`);
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expect(o.getAttribute('aria-setsize')).to.equal(`${visibleOptions.length}`);
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});
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/**
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* @param {{ style: { display: string; }; }} o
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*/
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const hiddenOptions = options.filter(o => o.style.display === 'none');
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/**
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* @param {{ hasAttribute: (arg0: string) => any; }} o
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*/
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hiddenOptions.forEach(o => {
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expect(o.hasAttribute('aria-posinset')).to.equal(false);
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expect(o.hasAttribute('aria-setsize')).to.equal(false);
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});
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});
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/**
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* Note that we use aria-hidden instead of 'display:none' to allow for animations
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* (like fade in/out)
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*/
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it('sets aria-hidden="true" on hidden entries', async () => {
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const el = /** @type {LionCombobox} */ (await fixture(html`
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<lion-combobox name="foo">
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<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
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<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
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<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
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<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
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</lion-combobox>
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`));
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const options = el.formElements;
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expect(el.opened).to.equal(false);
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el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
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mimicUserTyping(el, 'art');
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expect(el.opened).to.equal(true);
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await el.updateComplete;
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const visibleOptions = options.filter(o => o.style.display !== 'none');
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visibleOptions.forEach(o => {
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expect(o.hasAttribute('aria-hidden')).to.be.false;
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});
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const hiddenOptions = options.filter(o => o.style.display === 'none');
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hiddenOptions.forEach(o => {
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expect(o.getAttribute('aria-hidden')).to.equal('true');
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|
});
|
|
});
|
|
|
|
it('works with validation', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" .validators=${[new Required()]}>
|
|
<lion-option checked .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el.checkedIndex).to.equal(0);
|
|
|
|
// Simulate backspace deleting the char at the end of the string
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
|
|
el._inputNode.dispatchEvent(new Event('input'));
|
|
const arr = el._inputNode.value.split('');
|
|
arr.splice(el._inputNode.value.length - 1, 1);
|
|
el._inputNode.value = arr.join('');
|
|
await el.updateComplete;
|
|
el.dispatchEvent(new Event('blur'));
|
|
|
|
expect(el.checkedIndex).to.equal(-1);
|
|
await el.feedbackComplete;
|
|
expect(el.hasFeedbackFor).to.include('error');
|
|
expect(el.showsFeedbackFor).to.include('error');
|
|
});
|
|
});
|
|
});
|
|
|
|
// Notice that the LionComboboxInvoker always needs to be used in conjunction with the
|
|
// LionCombobox, and therefore will be tested integrated,
|
|
describe('Invoker component integration', () => {
|
|
describe('Accessibility', () => {
|
|
it('sets role="combobox" on textbox wrapper/listbox sibling', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
<lion-option .choiceValue="${'20'}">Item 2</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._comboboxNode.getAttribute('role')).to.equal('combobox');
|
|
});
|
|
|
|
it('makes sure listbox node is not focusable', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
<lion-option .choiceValue="${'20'}">Item 2</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._listboxNode.hasAttribute('tabindex')).to.be.false;
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Selection display', () => {
|
|
class MySelectionDisplay extends LitElement {
|
|
/**
|
|
* @param {import('lit-element').PropertyValues } changedProperties
|
|
*/
|
|
onComboboxElementUpdated(changedProperties) {
|
|
if (
|
|
changedProperties.has('modelValue') &&
|
|
// @ts-ignore
|
|
this.comboboxElement.multipleChoice
|
|
) {
|
|
// do smth..
|
|
}
|
|
}
|
|
}
|
|
const selectionDisplayTag = unsafeStatic(defineCE(MySelectionDisplay));
|
|
|
|
it('stores internal reference _selectionDisplayNode in LionCombobox', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<${selectionDisplayTag} slot="selection-display"></${selectionDisplayTag}>
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._selectionDisplayNode).to.equal(el.querySelector('[slot=selection-display]'));
|
|
});
|
|
|
|
it('sets a reference to combobox element in _selectionDisplayNode', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<${selectionDisplayTag} slot="selection-display"></${selectionDisplayTag}>
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
// @ts-ignore allow protected members
|
|
expect(el._selectionDisplayNode.comboboxElement).to.equal(el);
|
|
});
|
|
|
|
it('calls "onComboboxElementUpdated(changedProperties)" on "updated" in _selectionDisplayNode', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<${selectionDisplayTag} slot="selection-display"></${selectionDisplayTag}>
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
const spy = sinon.spy(el._selectionDisplayNode, 'onComboboxElementUpdated');
|
|
el.requestUpdate('modelValue');
|
|
await el.updateComplete;
|
|
expect(spy).to.have.been.calledOnce;
|
|
});
|
|
|
|
// TODO: put those in distinct file if ./docs/lion-combobox-selection-display.js is accessible
|
|
// and exposable
|
|
describe.skip('Selected chips display', () => {
|
|
// it('displays chips next to textbox, ordered based on user selection', async () => {
|
|
// const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
// <lion-combobox name="foo" multiple-choice>
|
|
// <lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
// <lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
// <lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
// <lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
// </lion-combobox>
|
|
// `));
|
|
// const options = el.formElements;
|
|
// options[2].checked = true; // Chicory
|
|
// options[0].checked = true; // Artichoke
|
|
// options[1].checked = true; // Chard
|
|
// const chips = Array.from(el._comboboxNode.querySelectorAll('.selection-chip'));
|
|
// expect(chips.map(elm => elm.textContent)).to.eql(['Chicory', 'Artichoke', 'Chard']);
|
|
// expect(el._comboboxNode.selectedElements).to.eql([options[2], options[0], options[1]]);
|
|
// });
|
|
// it('stages deletable chips on [Backspace]', async () => {
|
|
// const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
// <lion-combobox name="foo" multiple-choice>
|
|
// <lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
// <lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
// <lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
// </lion-combobox>
|
|
// `));
|
|
// const options = el.formElements;
|
|
// options[0].checked = true; // Artichoke
|
|
// options[1].checked = true; // Chard
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.false;
|
|
// el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.true;
|
|
// el._inputNode.blur();
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.false;
|
|
// });
|
|
// it('deletes staged chip on [Backspace]', async () => {
|
|
// const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
// <lion-combobox name="foo" multiple-choice>
|
|
// <lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
// <lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
// <lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
// </lion-combobox>
|
|
// `));
|
|
// const options = el.formElements;
|
|
// options[0].checked = true; // Artichoke
|
|
// options[1].checked = true; // Chard
|
|
// expect(el._comboboxNode.selectedElements).to.eql([options[0], options[1]]);
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.false;
|
|
// el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
|
|
// expect(el._comboboxNode.selectedElements).to.eql([options[0], options[1]]);
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.true;
|
|
// el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
|
|
// expect(el._comboboxNode.selectedElements).to.eql([options[0]]);
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.true;
|
|
// el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
|
|
// expect(el._comboboxNode.selectedElements).to.eql([]);
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.true;
|
|
// el._inputNode.blur();
|
|
// expect(el._comboboxNode.removeChipOnNextBackspace).to.be.false;
|
|
// });
|
|
});
|
|
});
|
|
|
|
describe('Autocompletion', () => {
|
|
it('has autocomplete "both" by default', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el.autocomplete).to.equal('both');
|
|
});
|
|
|
|
it('filters options when autocomplete is "both"', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="both">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(el)).to.eql(['Artichoke', 'Chard', 'Chicory']);
|
|
});
|
|
|
|
it('completes textbox when autocomplete is "both"', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="both">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('Chard');
|
|
expect(el._inputNode.selectionStart).to.equal(2);
|
|
expect(el._inputNode.selectionEnd).to.equal(el._inputNode.value.length);
|
|
|
|
// We don't autocomplete when characters are removed
|
|
mimicUserTyping(el, 'c'); // The user pressed backspace (number of chars decreased)
|
|
expect(el._inputNode.value).to.equal('c');
|
|
expect(el._inputNode.selectionStart).to.equal(el._inputNode.value.length);
|
|
});
|
|
|
|
it('filters options when autocomplete is "list"', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="list">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(el)).to.eql(['Artichoke', 'Chard', 'Chicory']);
|
|
expect(el._inputNode.value).to.equal('ch');
|
|
});
|
|
|
|
it('does not filter options when autocomplete is "none"', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="none">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(el)).to.eql([
|
|
'Artichoke',
|
|
'Chard',
|
|
'Chicory',
|
|
'Victoria Plum',
|
|
]);
|
|
});
|
|
|
|
it('does not filter options when autocomplete is "inline"', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(el)).to.eql([
|
|
'Artichoke',
|
|
'Chard',
|
|
'Chicory',
|
|
'Victoria Plum',
|
|
]);
|
|
});
|
|
|
|
it('resets "checkedIndex" when going from matched to unmatched textbox value', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el.checkedIndex).to.equal(1);
|
|
|
|
mimicUserTyping(el, 'cho');
|
|
await el.updateComplete;
|
|
expect(el.checkedIndex).to.equal(-1);
|
|
|
|
// Works for autocomplete 'both' as well.
|
|
const el2 = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="both">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el2, 'ch');
|
|
await el2.updateComplete;
|
|
expect(el2.checkedIndex).to.equal(1);
|
|
|
|
// Also works when 'diminishing amount of chars'
|
|
mimicUserTyping(el2, 'x');
|
|
await el2.updateComplete;
|
|
expect(el2.checkedIndex).to.equal(-1);
|
|
});
|
|
|
|
it('completes chars inside textbox', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('Chard');
|
|
expect(el._inputNode.selectionStart).to.equal('ch'.length);
|
|
expect(el._inputNode.selectionEnd).to.equal('Chard'.length);
|
|
|
|
await mimicUserTypingAdvanced(el, ['i', 'c']);
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('Chicory');
|
|
expect(el._inputNode.selectionStart).to.equal('chic'.length);
|
|
expect(el._inputNode.selectionEnd).to.equal('Chicory'.length);
|
|
|
|
// Diminishing chars, but autocompleting
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('ch');
|
|
expect(el._inputNode.selectionStart).to.equal('ch'.length);
|
|
expect(el._inputNode.selectionEnd).to.equal('ch'.length);
|
|
});
|
|
|
|
it('does autocompletion when adding chars', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el, 'ch'); // ch
|
|
await el.updateComplete; // Ch[ard]
|
|
expect(el.activeIndex).to.equal(1);
|
|
expect(el.checkedIndex).to.equal(1);
|
|
|
|
await mimicUserTypingAdvanced(el, ['i', 'c']); // Chic
|
|
await el.updateComplete; // Chic[ory]
|
|
expect(el.activeIndex).to.equal(2);
|
|
expect(el.checkedIndex).to.equal(2);
|
|
|
|
await mimicUserTypingAdvanced(el, ['Backspace', 'Backspace', 'Backspace', 'Backspace', 'h']); // Ch
|
|
await el.updateComplete; // Ch[ard]
|
|
expect(el.activeIndex).to.equal(1);
|
|
expect(el.checkedIndex).to.equal(1);
|
|
});
|
|
|
|
it('does autocompletion when changing the word', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(1);
|
|
expect(el.checkedIndex).to.equal(1);
|
|
|
|
await mimicUserTypingAdvanced(el, 'ic'.split(''));
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(2);
|
|
expect(el.checkedIndex).to.equal(2);
|
|
|
|
// Diminishing chars, but autocompleting
|
|
mimicUserTyping(el, 'a');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(0);
|
|
expect(el.checkedIndex).to.equal(0);
|
|
});
|
|
|
|
it('computation of "user intends autofill" works correctly afer autofill', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="inline">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('Chard');
|
|
expect(el._inputNode.selectionStart).to.equal('ch'.length);
|
|
expect(el._inputNode.selectionEnd).to.equal('Chard'.length);
|
|
|
|
// Autocompletion happened. When we go backwards ('Char'), we should not
|
|
// autocomplete to 'Chard' anymore.
|
|
mimicUserTyping(el, 'Char');
|
|
await el.updateComplete;
|
|
expect(el._inputNode.value).to.equal('Char'); // so not 'Chard'
|
|
expect(el._inputNode.selectionStart).to.equal('Char'.length);
|
|
expect(el._inputNode.selectionEnd).to.equal('Char'.length);
|
|
});
|
|
|
|
it('highlights matching options', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" match-mode="all">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
const options = el.formElements;
|
|
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
|
|
await el.updateComplete;
|
|
expect(options[0]).lightDom.to.equal(`<span aria-label="Artichoke">Arti<b>ch</b>oke</span>`);
|
|
expect(options[1]).lightDom.to.equal(`<span aria-label="Chard"><b>Ch</b>ard</span>`);
|
|
expect(options[2]).lightDom.to.equal(`<span aria-label="Chicory"><b>Ch</b>icory</span>`);
|
|
expect(options[3]).lightDom.to.equal(`Victoria Plum`);
|
|
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'D');
|
|
|
|
await el.updateComplete;
|
|
expect(options[0]).lightDom.to.equal(`Artichoke`);
|
|
expect(options[1]).lightDom.to.equal(`<span aria-label="Chard">Char<b>d</b></span>`);
|
|
expect(options[2]).lightDom.to.equal(`Chicory`);
|
|
expect(options[3]).lightDom.to.equal(`Victoria Plum`);
|
|
});
|
|
|
|
describe('Active index behavior', () => {
|
|
it('sets the active index to the closest match on open by default', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(1);
|
|
});
|
|
|
|
it('changes whether active index is set to the closest match automatically depending on autocomplete', async () => {
|
|
/**
|
|
* Automatic selection (setting activeIndex to closest matching option) in lion is set for inline & both autocomplete,
|
|
* because it is unavoidable there
|
|
* For list & none autocomplete, it is turned off and manual selection is required.
|
|
* TODO: Make this configurable for list & none autocomplete?
|
|
*/
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="none">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
// https://www.w3.org/TR/wai-aria-practices/examples/combobox/aria1.1pattern/listbox-combo.html
|
|
// Example 1. List Autocomplete with Manual Selection:
|
|
// does not set active at all until user selects
|
|
el.autocomplete = 'none';
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
expect(el.activeIndex).to.equal(-1);
|
|
expect(el.opened).to.be.true;
|
|
|
|
// https://www.w3.org/TR/wai-aria-practices/examples/combobox/aria1.1pattern/listbox-combo.html
|
|
// Example 2. List Autocomplete with Automatic Selection:
|
|
// does not set active at all until user selects
|
|
el.autocomplete = 'list';
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
expect(el.activeIndex).to.equal(-1);
|
|
expect(el.opened).to.be.true;
|
|
|
|
// https://www.w3.org/TR/wai-aria-practices/examples/combobox/aria1.1pattern/listbox-combo.html
|
|
// Example 3. List with Inline Autocomplete (mostly, but with aria-autocomplete="inline")
|
|
el.autocomplete = 'inline';
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), '');
|
|
await el.updateComplete;
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
await el.updateComplete;
|
|
|
|
// TODO: enable this, so it does not open listbox and is different from [autocomplete=both]?
|
|
// expect(el.opened).to.be.false;
|
|
expect(el.activeIndex).to.equal(1);
|
|
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
await el.updateComplete;
|
|
|
|
expect(el.activeIndex).to.equal(-1);
|
|
expect(el.opened).to.be.false;
|
|
|
|
// https://www.w3.org/TR/wai-aria-practices/examples/combobox/aria1.1pattern/listbox-combo.html
|
|
// Example 3. List with Inline Autocomplete
|
|
el.autocomplete = 'both';
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), '');
|
|
await el.updateComplete;
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
expect(el.activeIndex).to.equal(1);
|
|
expect(el.opened).to.be.false;
|
|
});
|
|
|
|
it('sets the active index to the closest match on autocomplete', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="both">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(1);
|
|
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
await el.updateComplete;
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'chi');
|
|
// Chard no longer matches, so should switch active to Chicory
|
|
await el.updateComplete;
|
|
|
|
expect(el.activeIndex).to.equal(2);
|
|
|
|
// select artichoke
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'artichoke');
|
|
await el.updateComplete;
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), '');
|
|
await el.updateComplete;
|
|
// change selection, active index should update to closest match
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'vic');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(3);
|
|
});
|
|
|
|
it('supports clearing by [Escape] key and resets active state on all options', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
// Select something
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'cha');
|
|
await el.updateComplete;
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Enter' }));
|
|
expect(el.activeIndex).to.equal(1);
|
|
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'Escape' }));
|
|
await el.updateComplete;
|
|
expect(el._inputNode.textContent).to.equal('');
|
|
el.formElements.forEach(option => expect(option.active).to.be.false);
|
|
|
|
// change selection, active index should update to closest match
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'vic');
|
|
await el.updateComplete;
|
|
expect(el.activeIndex).to.equal(3);
|
|
});
|
|
});
|
|
|
|
describe('Accessibility', () => {
|
|
it('synchronizes autocomplete option to textbox', async () => {
|
|
let el;
|
|
|
|
[el] = await fruitFixture({ autocomplete: 'both' });
|
|
expect(el._inputNode.getAttribute('aria-autocomplete')).to.equal('both');
|
|
|
|
[el] = await fruitFixture({ autocomplete: 'list' });
|
|
expect(el._inputNode.getAttribute('aria-autocomplete')).to.equal('list');
|
|
|
|
[el] = await fruitFixture({ autocomplete: 'none' });
|
|
expect(el._inputNode.getAttribute('aria-autocomplete')).to.equal('none');
|
|
});
|
|
|
|
it('updates aria-activedescendant on textbox node', async () => {
|
|
let el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="none">
|
|
<lion-option .choiceValue="${'Artichoke'}" id="artichoke-option">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}" id="chard-option">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
expect(el._activeDescendantOwnerNode.getAttribute('aria-activedescendant')).to.equal(null);
|
|
expect(el.formElements[1].active).to.equal(false);
|
|
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
await el.updateComplete;
|
|
expect(el._activeDescendantOwnerNode.getAttribute('aria-activedescendant')).to.equal(null);
|
|
el._inputNode.dispatchEvent(new KeyboardEvent('keydown', { key: 'ArrowDown' }));
|
|
expect(el._activeDescendantOwnerNode.getAttribute('aria-activedescendant')).to.equal(
|
|
'artichoke-option',
|
|
);
|
|
expect(el.formElements[1].active).to.equal(false);
|
|
|
|
el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" autocomplete="both" match-mode="begin">
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
await el.updateComplete;
|
|
expect(el._activeDescendantOwnerNode.getAttribute('aria-activedescendant')).to.equal(
|
|
el.formElements[1].id,
|
|
);
|
|
expect(el.formElements[1].active).to.equal(true);
|
|
|
|
el.autocomplete = 'list';
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
await el.updateComplete;
|
|
expect(el._activeDescendantOwnerNode.getAttribute('aria-activedescendant')).to.equal(
|
|
el.formElements[1].id,
|
|
);
|
|
expect(el.formElements[1].active).to.equal(true);
|
|
});
|
|
|
|
it('adds aria-label to highlighted options', async () => {
|
|
const [el, options] = await fruitFixture({ autocomplete: 'both', matchMode: 'all' });
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'choke');
|
|
await el.updateComplete;
|
|
const labelledElement = options[0].querySelector('span[aria-label="Artichoke"]');
|
|
expect(labelledElement).to.not.be.null;
|
|
expect(labelledElement.innerText).to.equal('Artichoke');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Accessibility', () => {
|
|
describe('Aria versions', () => {
|
|
it('[role=combobox] wraps input node in v1.1', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" ._ariaVersion="${'1.1'}">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._comboboxNode.contains(el._inputNode)).to.be.true;
|
|
});
|
|
|
|
it('has one input node with [role=combobox] in v1.0', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" ._ariaVersion="${'1.0'}">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._comboboxNode).to.equal(el._inputNode);
|
|
});
|
|
|
|
it('autodetects aria version and sets it to 1.1 on Chromium browsers', async () => {
|
|
const browserDetectionIsChromiumOriginal = browserDetection.isChromium;
|
|
|
|
browserDetection.isChromium = true;
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el._ariaVersion).to.equal('1.1');
|
|
|
|
browserDetection.isChromium = false;
|
|
const el2 = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo">
|
|
<lion-option .choiceValue="${'10'}" checked>Item 1</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
expect(el2._ariaVersion).to.equal('1.0');
|
|
|
|
// restore...
|
|
browserDetection.isChromium = browserDetectionIsChromiumOriginal;
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Multiple Choice', () => {
|
|
// TODO: possibly later share test with select-rich if it officially supports multipleChoice
|
|
it('does not close listbox on click/enter/space', async () => {
|
|
const el = /** @type {LionCombobox} */ (await fixture(html`
|
|
<lion-combobox name="foo" multiple-choice>
|
|
<lion-option .choiceValue="${'Artichoke'}">Artichoke</lion-option>
|
|
<lion-option .choiceValue="${'Chard'}">Chard</lion-option>
|
|
<lion-option .choiceValue="${'Chicory'}">Chicory</lion-option>
|
|
<lion-option .choiceValue="${'Victoria Plum'}">Victoria Plum</lion-option>
|
|
</lion-combobox>
|
|
`));
|
|
|
|
// activate opened listbox
|
|
el._comboboxNode.dispatchEvent(new Event('focusin', { bubbles: true, composed: true }));
|
|
mimicUserTyping(el, 'ch');
|
|
await el.updateComplete;
|
|
|
|
expect(el.opened).to.equal(true);
|
|
const visibleOptions = el.formElements.filter(o => o.style.display !== 'none');
|
|
visibleOptions[0].click();
|
|
expect(el.opened).to.equal(true);
|
|
// visibleOptions[1].dispatchEvent(new KeyboardEvent('keyup', { key: 'Enter' }));
|
|
// expect(el.opened).to.equal(true);
|
|
// visibleOptions[2].dispatchEvent(new KeyboardEvent('keyup', { key: ' ' }));
|
|
// expect(el.opened).to.equal(true);
|
|
});
|
|
});
|
|
|
|
describe('Match Mode', () => {
|
|
it('has a default value of "all"', async () => {
|
|
const [el] = await fruitFixture();
|
|
expect(el.matchMode).to.equal('all');
|
|
});
|
|
|
|
it('will suggest partial matches (in the middle of the word) when set to "all"', async () => {
|
|
const [el] = await fruitFixture();
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'c');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(/** @type {LionCombobox} */ (el))).to.eql([
|
|
'Artichoke',
|
|
'Chard',
|
|
'Chicory',
|
|
'Victoria Plum',
|
|
]);
|
|
});
|
|
|
|
it('will only suggest beginning matches when set to "begin"', async () => {
|
|
const [el] = await fruitFixture({ matchMode: 'begin' });
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'ch');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(/** @type {LionCombobox} */ (el))).to.eql([
|
|
'Chard',
|
|
'Chicory',
|
|
]);
|
|
});
|
|
|
|
describe('Subclassers', () => {
|
|
it('allows for custom matching functions', async () => {
|
|
const [el] = await fruitFixture();
|
|
/**
|
|
* @param {{ value: any; }} option
|
|
* @param {any} curValue
|
|
*/
|
|
function onlyExactMatches(option, curValue) {
|
|
return option.value === curValue;
|
|
}
|
|
el.matchCondition = onlyExactMatches;
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'Chicory');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(/** @type {LionCombobox} */ (el))).to.eql(['Chicory']);
|
|
mimicUserTyping(/** @type {LionCombobox} */ (el), 'Chicor');
|
|
await el.updateComplete;
|
|
expect(getFilteredOptionValues(/** @type {LionCombobox} */ (el))).to.eql([]);
|
|
});
|
|
});
|
|
});
|
|
});
|