import {expect, test} from 'bun:test';
import {getDesiredPort} from '../get-port';

test(
	'Port selection should only be freed once the previous result has been used',
	async () => {
		let ports = 0;

		const {port, unlockPort} = await getDesiredPort({
			desiredPort: undefined,
			from: 3100,
			to: 3200,
			hostsToTry: ['::', '::1'],
		});
		const secondPort = getDesiredPort({
			desiredPort: port,
			from: 3100,
			to: 3200,
			hostsToTry: ['::', '::1'],
		}).then(({unlockPort: unlock}) => {
			ports++;
			unlock();
		});

		await new Promise<void>((resolve) => {
			setTimeout(resolve, 2000);
		});

		expect(ports).toBe(0);
		unlockPort();
		await secondPort;

		expect(ports).toBe(1);
	},
	{timeout: 10000},
);