mediabunny/test/node/input.test.ts

import { expect, test } from 'vitest';
import { Input, UnsupportedInputFormatError } from '../../src/input.js';
import { ALL_FORMATS } from '../../src/input-format.js';
import { BufferSource } from '../../src/source.js';

test('Disposing after failed format detection does not emit an unhandled rejection', async () => {
	const input = new Input({
		source: new BufferSource(new Uint8Array([1, 2, 3, 4])),
		formats: ALL_FORMATS,
	});

	await expect(input.getFormat()).rejects.toThrow(UnsupportedInputFormatError);

	const unhandledRejections: unknown[] = [];
	const onUnhandledRejection = (reason: unknown) => {
		unhandledRejections.push(reason);
	};

	process.on('unhandledRejection', onUnhandledRejection);
	try {
		input.dispose();
		await new Promise(resolve => setTimeout(resolve, 0));
	} finally {
		process.off('unhandledRejection', onUnhandledRejection);
	}

	expect(unhandledRejections).toEqual([]);
});