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
  de9ba7e4_6761_0022_d170_5dc09193a283["default.test()"]
  bbaf065b_c690_125f_5804_9bf335135b1a["_config.js"]
  de9ba7e4_6761_0022_d170_5dc09193a283 -->|defined in| bbaf065b_c690_125f_5804_9bf335135b1a
  style de9ba7e4_6761_0022_d170_5dc09193a283 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/svelte/tests/runtime-runes/samples/async-reactivity-loss/_config.js lines 14–29

	async test({ assert, target, warnings }) {
		await tick();
		assert.htmlEqual(
			target.innerHTML,
			'<button>a</button><button>b</button><button>c</button><h1>6</h1><p>6</p>'
		);

		assert.equal(
			warnings[0],
			'Detected reactivity loss when reading `b`. This happens when state is read in an async function after an earlier `await`'
		);

		assert.equal(warnings[1].name, 'traced at');

		assert.equal(warnings.length, 2);
	}