shoelace/src/components/option/option.test.ts

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import { aTimeout, expect, fixture, html, waitUntil } from '@open-wc/testing';
import sinon from 'sinon';
import type SlOption from './option';
describe('<sl-option>', () => {
it('passes accessibility test', async () => {
const el = await fixture<SlOption>(html`
<sl-select label="Select one">
<sl-option value="1">Option 1</sl-option>
<sl-option value="2">Option 2</sl-option>
<sl-option value="3">Option 3</sl-option>
<sl-option value="4" disabled>Disabled</sl-option>
</sl-select>
`);
await expect(el).to.be.accessible();
});
it('default properties', async () => {
const el = await fixture<SlOption>(html` <sl-option>Test</sl-option> `);
expect(el.value).to.equal('');
expect(el.disabled).to.be.false;
expect(el.getAttribute('aria-disabled')).to.equal('false');
});
it('changes aria attributes', async () => {
const el = await fixture<SlOption>(html` <sl-option>Test</sl-option> `);
el.disabled = true;
await aTimeout(100);
expect(el.getAttribute('aria-disabled')).to.equal('true');
});
it('emits the slotchange event when the label changes', async () => {
const el = await fixture<SlOption>(html` <sl-option>Text</sl-option> `);
const slotChangeHandler = sinon.spy();
el.addEventListener('slotchange', slotChangeHandler);
el.textContent = 'New Text';
await waitUntil(() => slotChangeHandler.calledOnce);
expect(slotChangeHandler).to.have.been.calledOnce;
});
});