svelte/test/runtime/samples/binding-input-text-deep-computed-dynamic/_config.js

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

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

	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';
		input.dispatchEvent( event );

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

		// edit baz
		component.set({ prop: 'baz' });
		assert.equal( input.value, 'c' );

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

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

		// edit foo
		component.set({ prop: 'foo' });
		assert.equal( input.value, 'a' );

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

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