/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';
const assert = require('assert');
const dns = require('dns');

const addressResolution = require('../../lib/policies/address-resolution');
const EC2MultiRegionTranslator = addressResolution.EC2MultiRegionTranslator;

describe('EC2MultiRegionTranslator', function () {
  this.timeout(10000);
  describe('#translate()', function () {
    it('should return the same address when it could not be resolved', function (done) {
      const t = new EC2MultiRegionTranslator();
      t.translate('192.0.2.1', 9042, function (endPoint) {
        assert.strictEqual(endPoint, '192.0.2.1:9042');
        done();
      });
    });
    it('should do a reverse and a forward dns lookup', function (done) {
      const t = new EC2MultiRegionTranslator();
      dns.lookup('datastax.com', function (err, address) {
        assert.ifError(err);
        assert.ok(address);
        t.translate(address, 9001, function (endPoint) {
          assert.strictEqual(endPoint, address + ':9001');
          done();
        });
      });
    });
  });
});
