_config.js — svelte Source File

Source Code

import { flushSync } from 'svelte';
import { ok, test } from '../../test';

export default test({
	get props() {
		return { values: [1, 2, 3], foo: 2 };
	},

	ssrHtml: `
		<select>
			<option>1</option>
			<option selected>2</option>
			<option>3</option>
		</select>

		<p>foo: 2</p>
	`,

	test({ assert, component, target, window, variant }) {
		assert.htmlEqual(
			target.innerHTML,
			`
			<select>
				<option>1</option>
				<option ${variant === 'hydrate' ? 'selected ' : ''}>2</option>
				<option>3</option>
			</select>

			<p>foo: 2</p>
		`
		);
		const select = target.querySelector('select');
		ok(select);
		const options = [...target.querySelectorAll('option')];

		assert.ok(options[1].selected);
		assert.equal(component.foo, 2);

		const change = new window.Event('change');

		options[2].selected = true;
		select.dispatchEvent(change);
		flushSync();

		assert.equal(component.foo, 3);
		assert.htmlEqual(
			target.innerHTML,
			`
			<select>
				<option>1</option>
				<option ${variant === 'hydrate' ? 'selected ' : ''}>2</option>
				<option>3</option>
			</select>

			<p>foo: 3</p>
		`
		);
	}
});