Diffusion Ant (mir/inline-method) Code

ant/tests/test_child_process_exec_promisify.cjs
3fa05edd2fe3mir/inline-method

test_child_process_exec_promisify.cjs
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			const { promisify } = require('util');
			const { exec } = require('child_process');

			async function main() {
			if (typeof promisify.custom !== 'symbol') {
			throw new Error('expected util.promisify.custom to be a symbol');
			}

			if (typeof exec[promisify.custom] !== 'function') {
			throw new Error('expected exec to define util.promisify.custom');
			}

			const execAsync = promisify(exec);
			const result = await execAsync('printf "OUT"; printf "ERR" >&2');

			if (!result \|\| typeof result !== 'object' \|\| Array.isArray(result)) {
			throw new Error(`expected object result, got ${Object.prototype.toString.call(result)}`);
			}

			if (result.stdout !== 'OUT') {
			throw new Error(`expected stdout to be OUT, got ${JSON.stringify(result.stdout)}`);
			}

			if (result.stderr !== 'ERR') {
			throw new Error(`expected stderr to be ERR, got ${JSON.stringify(result.stderr)}`);
			}

			console.log('util.promisify(exec) resolves { stdout, stderr }');
			}

			main().catch((err) => {
			console.error(err && err.stack ? err.stack : String(err));
			process.exit(1);
			});

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