test-fs-watch-non-recursive.js

// Copyright Joyent, Inc. and other Node contributors.
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'use strict';
const common = require('../common');

if (common.isIBMi) {
  common.skip('IBMi does not support fs.watch()');
}

const path = require('path');
const fs = require('fs');

const tmpdir = require('../common/tmpdir');
tmpdir.refresh();

const testDir = tmpdir.path;
const testsubdir = path.join(testDir, 'testsubdir');
const filepath = path.join(testsubdir, 'watch.txt');

fs.mkdirSync(testsubdir, 0o700);

// Need a grace period, else the mkdirSync() above fires off an event.
setTimeout(function() {
  const watcher = fs.watch(testDir, { persistent: true }, common.mustNotCall());
  setTimeout(function() {
    fs.writeFileSync(filepath, 'test');
  }, 100);
  setTimeout(function() {
    watcher.close();
  }, 500);
}, 50);