How to use

keyNames

function

in

Array

createObjects(scenarioNumber, cb) {
    async.forEachOf(this._scenario[scenarioNumber].keyNames,
    (key, i, done) => {
      this.s3.putObject({
        Body: '',
        Bucket: this.bucket,
        Key: key,
        Tagging: this._scenario[scenarioNumber].tags[i],
      }, done);
    }, err => {
      assert.ifError(err);
      return cb();
    });
  }

/**
   * creates an mpu object and uploads parts
   * @param {number} scenarioNumber - scenario number
   * @param {function} cb - callback(err)
   * @return {undefined}
   */
  createMPU(scenarioNumber, cb) {
    const scenarioKeys = this._scenario[scenarioNumber].keyNames;
    async.timesSeries(scenarioKeys.length, (n, next) => {
      this.s3.createMultipartUpload({
        Bucket: this.bucket,
        Key: scenarioKeys[n],
      }, next);
    }, cb);
  }

createDeleteMarkers(scenarioNumber, cb) {
    this.setBucketVersioning('Enabled', err => {
      assert.ifError(err);

      return async.eachOfLimit(this._scenario[scenarioNumber].keyNames, 1,
      (key, i, done) => (
        async.series([
          next => this.s3.putObject({
            Body: '',
            Bucket: this.bucket,
            Key: key,
            Tagging: this._scenario[scenarioNumber].tags[i],
          }, next),
          next => this.s3.deleteObject({
            Bucket: this.bucket,
            Key: key,
          }, next),
        ], err => {
          assert.ifError(err);
          done();
        })
      ), err => {
        assert.ifError(err);
        cb();
      });
    });
  }