default.test() — svelte Function Reference

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

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

Dependency Diagram

graph TD
  8c86f978_78fc_3f32_b278_332c434c30cc["default.test()"]
  6db9f763_c8a5_ffd8_903b_0e77cfb4236d["_config.js"]
  8c86f978_78fc_3f32_b278_332c434c30cc -->|defined in| 6db9f763_c8a5_ffd8_903b_0e77cfb4236d
  style 8c86f978_78fc_3f32_b278_332c434c30cc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-runes/samples/derived-in-expression/_config.js lines 7–73

	test({ assert, target, logs }) {
		const [a, b] = target.querySelectorAll('button');

		flushSync(() => a?.click());
		assert.htmlEqual(
			target.innerHTML,
			`
				<button>a</button>
				<button>b</button>
				<p>1/0</p
			`
		);

		flushSync(() => a?.click());
		assert.htmlEqual(
			target.innerHTML,
			`
				<button>a</button>
				<button>b</button>
				<p>2/0</p
			`
		);

		flushSync(() => b?.click());
		assert.htmlEqual(
			target.innerHTML,
			`
				<button>a</button>
				<button>b</button>
				<p>2/1</p
			`
		);

		flushSync(() => b?.click());
		assert.htmlEqual(
			target.innerHTML,
			`
				<button>a</button>
				<button>b</button>
				<p>2/2</p
			`
		);

		assert.deepEqual(logs, [
			// init
			'a',
			'b',
			'effect a',
			'effect b',
			// click a
			'a',
			'effect a',
			// click a
			'a',
			'effect a',
			// click b
			'a',
			'b',
			'effect a',
			'effect b',
			// click b
			'a',
			'b',
			'effect a',
			'effect b'
		]);
	}