lion/packages/field/test/FormControlMixin.test.js

76 lines
2.3 KiB
JavaScript

import { expect, fixture, html, defineCE, unsafeStatic } from '@open-wc/testing';
import { SlotMixin } from '@lion/core';
import { LionLitElement } from '@lion/core/src/LionLitElement.js';
import { FormControlMixin } from '../src/FormControlMixin.js';
describe('FormControlMixin', () => {
const inputSlot = '<input slot="input" />';
let elem;
let tag;
before(async () => {
const FormControlMixinClass = class extends FormControlMixin(SlotMixin(LionLitElement)) {
static get properties() {
return {
modelValue: {
type: String,
},
};
}
};
elem = defineCE(FormControlMixinClass);
tag = unsafeStatic(elem);
});
it('has the capability to override the help text', async () => {
const lionFieldAttr = await fixture(html`
<${tag} help-text="This email address is already taken">${inputSlot}</${tag}>
`);
expect(lionFieldAttr.$$slot('help-text').textContent).to.contain(
'This email address is already taken',
);
const lionFieldProp = await fixture(html`
<${tag}
.helpText=${'This email address is already taken'}
>${inputSlot}
</${tag}>`);
expect(lionFieldProp.$$slot('help-text').textContent).to.contain(
'This email address is already taken',
);
});
it('does not duplicate aria-describedby and aria-labelledby ids', async () => {
const lionField = await fixture(`
<${elem} help-text="This element will be disconnected/reconnected">${inputSlot}</${elem}>
`);
const wrapper = await fixture(`<div></div>`);
lionField.parentElement.appendChild(wrapper);
wrapper.appendChild(lionField);
await wrapper.updateComplete;
['aria-describedby', 'aria-labelledby'].forEach(ariaAttributeName => {
const ariaAttribute = lionField
.$$slot('input')
.getAttribute(ariaAttributeName)
.trim()
.split(' ');
const hasDuplicate = !!ariaAttribute.find((el, i) => ariaAttribute.indexOf(el) !== i);
expect(hasDuplicate).to.be.false;
});
});
it('adds aria-live="politie" to the feedback slot', async () => {
const lionField = await fixture(html`
<${tag}>
${inputSlot}
<div slot="feedback">Added to see attributes</div>
</${tag}>
`);
expect(lionField.$$slot('feedback').getAttribute('aria-live')).to.equal('polite');
});
});