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
  a00a1196_c062_7116_bb82_9e7c0ef5d1c1["default.test()"]
  2aef8af7_577a_54c5_ee35_887533727965["_config.js"]
  a00a1196_c062_7116_bb82_9e7c0ef5d1c1 -->|defined in| 2aef8af7_577a_54c5_ee35_887533727965
  style a00a1196_c062_7116_bb82_9e7c0ef5d1c1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-legacy/samples/transition-js-events/_config.js lines 17–85

	async test({ assert, component, target, raf }) {
		component.visible = true;

		assert.htmlEqual(
			target.innerHTML,
			`
			<p>introstart</p>
			<p>a</p>
			<p>b</p>
			<p>c</p>
			<p>d</p>
		`
		);

		raf.tick(50);
		assert.deepEqual(component.intros.sort(), ['a', 'b', 'c', 'd']);
		assert.equal(component.intro_count, 4);

		await raf.tick(100);
		assert.equal(component.intro_count, 0);

		assert.htmlEqual(
			target.innerHTML,
			`
			<p>introend</p>
			<p>a</p>
			<p>b</p>
			<p>c</p>
			<p>d</p>
		`
		);

		component.visible = false;

		assert.htmlEqual(
			target.innerHTML,
			`
			<p>outrostart</p>
			<p>a</p>
			<p>b</p>
			<p>c</p>
			<p>d</p>
		`
		);

		raf.tick(150);
		assert.deepEqual(component.outros.sort(), ['a', 'b', 'c', 'd']);
		assert.equal(component.outro_count, 4);

		raf.tick(200);
		assert.equal(component.outro_count, 0);

		component.visible = true;

		await raf.tick(250);
		assert.deepEqual(component.intros.sort(), ['a', 'a', 'b', 'b', 'c', 'c', 'd', 'd']);
		assert.equal(component.intro_count, 4);

		assert.htmlEqual(
			target.innerHTML,
			`
			<p>introstart</p>
			<p>a</p>
			<p>b</p>
			<p>c</p>
			<p>d</p>
		`
		);
	}