node/test/parallel/test-child-process-exec-abortcontroller-promisified.js

'use strict';
const common = require('../common');
const assert = require('assert');
const exec = require('child_process').exec;
const { promisify } = require('util');

const execPromisifed = promisify(exec);
const invalidArgTypeError = {
  code: 'ERR_INVALID_ARG_TYPE',
  name: 'TypeError'
};

// `pause` is a cmd.exe builtin, so killing the shell kills the whole tree.
// Running an executable here would leave it orphaned.
const waitCommand = common.isWindows ? 'pause' : 'sleep 2m';

{
  const ac = new AbortController();
  const signal = ac.signal;
  const promise = execPromisifed(waitCommand, { signal });
  assert.rejects(promise, {
    name: 'AbortError',
    cause: new DOMException('This operation was aborted', 'AbortError'),
  }).then(common.mustCall());
  ac.abort();
}

{
  const err = new Error('boom');
  const ac = new AbortController();
  const signal = ac.signal;
  const promise = execPromisifed(waitCommand, { signal });
  assert.rejects(promise, {
    name: 'AbortError',
    cause: err
  }).then(common.mustCall());
  ac.abort(err);
}

{
  const ac = new AbortController();
  const signal = ac.signal;
  const promise = execPromisifed(waitCommand, { signal });
  assert.rejects(promise, {
    name: 'AbortError',
    cause: 'boom'
  }).then(common.mustCall());
  ac.abort('boom');
}

{
  assert.throws(() => {
    execPromisifed(waitCommand, { signal: {} });
  }, invalidArgTypeError);
}

{
  function signal() {}
  assert.throws(() => {
    execPromisifed(waitCommand, { signal });
  }, invalidArgTypeError);
}

{
  const signal = AbortSignal.abort(); // Abort in advance
  const promise = execPromisifed(waitCommand, { signal });

  assert.rejects(promise, { name: 'AbortError' })
        .then(common.mustCall());
}

{
  const err = new Error('boom');
  const signal = AbortSignal.abort(err); // Abort in advance
  const promise = execPromisifed(waitCommand, { signal });

  assert.rejects(promise, { name: 'AbortError', cause: err })
        .then(common.mustCall());
}

{
  const signal = AbortSignal.abort('boom'); // Abort in advance
  const promise = execPromisifed(waitCommand, { signal });

  assert.rejects(promise, { name: 'AbortError', cause: 'boom' })
        .then(common.mustCall());
}