n8n-enterprise-unlocked/packages/testing/containers/n8n-test-container-utils.ts

import type { Readable } from 'stream';

/**
 * Create a log consumer that does not log to the console
 * @returns A tuple containing the log consumer and a function to throw an error with logs
 */
export function createSilentLogConsumer() {
	const logs: string[] = [];

	const consumer = (stream: Readable) => {
		stream.on('data', (chunk: Buffer | string) => {
			logs.push(chunk.toString().trim());
		});
	};

	const throwWithLogs = (error: unknown): never => {
		if (logs.length > 0) {
			console.error('\n--- Container Logs ---');
			console.error(logs.join('\n'));
			console.error('---------------------\n');
		}
		throw error;
	};

	return { consumer, throwWithLogs };
}