_config.js

export default {
	props: {
		prop: 'bar',
		obj: {
			foo: 'a',
			bar: 'b',
			baz: 'c',
		},
	},

	html: `
		<input>
		<pre>{"foo":"a","bar":"b","baz":"c"}</pre>
	`,

	ssrHtml: `
		<input value=b>
		<pre>{"foo":"a","bar":"b","baz":"c"}</pre>
	`,

	async test({ assert, component, target, window }) {
		const input = target.querySelector('input');
		const event = new window.Event('input');

		assert.equal(input.value, 'b');

		// edit bar
		input.value = 'e';
		await input.dispatchEvent(event);

		assert.htmlEqual(target.innerHTML, `
			<input>
			<pre>{"foo":"a","bar":"e","baz":"c"}</pre>
		`);

		// edit baz
		component.prop = 'baz';
		assert.equal(input.value, 'c');

		input.value = 'f';
		await input.dispatchEvent(event);

		assert.htmlEqual(target.innerHTML, `
			<input>
			<pre>{"foo":"a","bar":"e","baz":"f"}</pre>
		`);

		// edit foo
		component.prop = 'foo';
		assert.equal(input.value, 'a');

		input.value = 'd';
		await input.dispatchEvent(event);

		assert.htmlEqual(target.innerHTML, `
			<input>
			<pre>{"foo":"d","bar":"e","baz":"f"}</pre>
		`);
	},
};