vows.js async callback state example

gistfile1.js

  'file remove in watched dir': {
    topic: function () {
      var lPath = tPath + '/t2';
      try {
        fs.mkdirSync(lPath, '0755'); 
      }
      catch (Exception) {}
      return lPath;
    },
    'calling stalker.watch': {
      topic: function (lPath) {
        var that = this;
        stalker.watch(lPath, 
          function(err, file) {
            setTimeout(function() {
              fs.unlink(file);
            }, 1000);
          }, function (err, file) {
            that.callback(err, file, lPath);
          });
        var rPath = lPath + '/temp';
        var tStream = fs.createWriteStream(rPath);
        tStream.end('fancy test file', 'utf8');
      },
      'fires second callback': function (err, file, lPath) {
        assert.isNull(err);
        assert.equal(file, lPath + '/temp');
        fs.rmdirSync(lPath); 
      }
    }
  }