121 lines
4.3 KiB
JavaScript
121 lines
4.3 KiB
JavaScript
import { expect, fixture, html, defineCE, unsafeStatic } from '@open-wc/testing';
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import { LitElement, SlotMixin } from '@lion/core';
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import { FormControlMixin } from '../src/FormControlMixin.js';
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describe('FormControlMixin', () => {
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const inputSlot = '<input slot="input" />';
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let elem;
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let tag;
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before(async () => {
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const FormControlMixinClass = class extends FormControlMixin(SlotMixin(LitElement)) {
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static get properties() {
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return {
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modelValue: {
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type: String,
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},
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};
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}
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};
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elem = defineCE(FormControlMixinClass);
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tag = unsafeStatic(elem);
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});
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it('has the capability to override the help text', async () => {
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const lionFieldAttr = await fixture(html`
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<${tag} help-text="This email address is already taken">${inputSlot}</${tag}>
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`);
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expect(
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Array.from(lionFieldAttr.children).find(child => child.slot === 'help-text').textContent,
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).to.contain('This email address is already taken');
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const lionFieldProp = await fixture(html`
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<${tag}
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.helpText=${'This email address is already taken'}
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>${inputSlot}
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</${tag}>`);
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expect(
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Array.from(lionFieldProp.children).find(child => child.slot === 'help-text').textContent,
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).to.contain('This email address is already taken');
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});
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it('does not duplicate aria-describedby and aria-labelledby ids', async () => {
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const lionField = await fixture(`
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<${elem} help-text="This element will be disconnected/reconnected">${inputSlot}</${elem}>
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`);
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const wrapper = await fixture(`<div></div>`);
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lionField.parentElement.appendChild(wrapper);
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wrapper.appendChild(lionField);
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await wrapper.updateComplete;
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['aria-describedby', 'aria-labelledby'].forEach(ariaAttributeName => {
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const ariaAttribute = Array.from(lionField.children)
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.find(child => child.slot === 'input')
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.getAttribute(ariaAttributeName)
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.trim()
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.split(' ');
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const hasDuplicate = !!ariaAttribute.find((el, i) => ariaAttribute.indexOf(el) !== i);
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expect(hasDuplicate).to.be.false;
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});
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});
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it('internally sorts aria-describedby and aria-labelledby ids', async () => {
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const wrapper = await fixture(html`
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<div id="wrapper">
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<div id="additionalLabelA">should go after input internals</div>
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<div id="additionalDescriptionA">should go after input internals</div>
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<${tag}>
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<input slot="input" />
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<label slot="label">Added to label by default</label>
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<div slot="feedback">Added to description by default</div>
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</${tag}>
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<div id="additionalLabelB">should go after input internals</div>
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<div id="additionalDescriptionB">should go after input internals</div>
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</div>`);
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const el = wrapper.querySelector(elem);
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const { _inputNode } = el;
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console.log('_inputNode', _inputNode);
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// 1. addToAriaLabelledBy()
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// external inputs should go in order defined by user
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el.addToAriaLabelledBy(wrapper.querySelector('#additionalLabelB'));
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el.addToAriaLabelledBy(wrapper.querySelector('#additionalLabelA'));
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expect(
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_inputNode.getAttribute('aria-labelledby').indexOf(`label-${el._inputId}`) <
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_inputNode.getAttribute('aria-labelledby').indexOf('additionalLabelB') <
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_inputNode.getAttribute('aria-labelledby').indexOf('additionalLabelA'),
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);
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// 2. addToAriaDescribedBy()
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// Check if the aria attr is filled initially
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el.addToAriaDescribedBy(wrapper.querySelector('#additionalDescriptionB'));
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el.addToAriaDescribedBy(wrapper.querySelector('#additionalDescriptionA'));
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// Should be placed in the end
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expect(
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_inputNode.getAttribute('aria-describedby').indexOf(`feedback-${el._inputId}`) <
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_inputNode.getAttribute('aria-describedby').indexOf('additionalDescriptionB') <
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_inputNode.getAttribute('aria-describedby').indexOf('additionalDescriptionA'),
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);
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});
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it('adds aria-live="polite" to the feedback slot', async () => {
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const lionField = await fixture(html`
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<${tag}>
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${inputSlot}
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<div slot="feedback">Added to see attributes</div>
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</${tag}>
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`);
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expect(
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Array.from(lionField.children)
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.find(child => child.slot === 'feedback')
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.getAttribute('aria-live'),
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).to.equal('polite');
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});
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});
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