default.test() — svelte Function Reference

Architecture documentation for the default.test() function in _config.js from the svelte codebase.

Function javascript BuildSystem MessageProcessor

Entity Profile

BuildSystem→ MessageProcessor→ default.test() — svelte Function Reference

Dependency Diagram

graph TD
  25ab2046_cbd5_4681_bf90_ff558e0a9c8b["default.test()"]
  521bfc32_23fb_1db5_e0bb_bf904a5a6d20["_config.js"]
  25ab2046_cbd5_4681_bf90_ff558e0a9c8b -->|defined in| 521bfc32_23fb_1db5_e0bb_bf904a5a6d20
  style 25ab2046_cbd5_4681_bf90_ff558e0a9c8b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-legacy/samples/binding-select/_config.js lines 21–67

	test({ assert, component, target, window, variant }) {
		assert.htmlEqual(
			target.innerHTML,
			`
			<p>selected: one</p>

			<select>
				<option${variant === 'hydrate' ? ' selected' : ''}>one</option>
				<option>two</option>
				<option>three</option>
			</select>

			<p>selected: one</p>
		`
		);
		const select = target.querySelector('select');
		ok(select);

		const options = [...target.querySelectorAll('option')];

		assert.deepEqual(options, [...select.options]);
		assert.equal(component.selected, 'one');

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

		options[1].selected = true;
		select.dispatchEvent(change);
		flushSync();

		assert.equal(component.selected, 'two');
		assert.htmlEqual(
			target.innerHTML,
			`
			<p>selected: two</p>

			<select>
				<option${variant === 'hydrate' ? ' selected' : ''}>one</option>
				<option>two</option>
				<option>three</option>
			</select>

			<p>selected: two</p>
		`
		);

		component.selected = 'three';
	}