/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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 { test } = require('tap')
const { roundRobinSelector, randomSelector } = require('../../lib/Transport').internals

test('RoundRobinSelector', t => {
  const selector = roundRobinSelector()
  const arr = [0, 1, 2, 3, 4, 5]

  t.plan(arr.length + 1)
  for (let i = 0; i <= arr.length; i++) {
    t.equal(
      selector(arr),
      i === arr.length ? arr[0] : arr[i]
    )
  }
})

test('RandomSelector', t => {
  t.plan(1)
  const arr = [0, 1, 2, 3, 4, 5]
  t.type(randomSelector(arr), 'number')
})