text: /*
   * Copyright 2013-2020 The NATS Authors
   * Licensed 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 NATS = require('../lib/nats')
  const nats = NATS.connect()
  const fs = require('fs')
  
  /// ////////////////////////////////////
  // Publish Performance
  /// ////////////////////////////////////
  
  const loop = 1000000
  const hash = 2500
  
  console.log('Publish Performance Test')
  
  nats.on('connect', function () {
    const start = new Date()
  
    for (let i = 0; i < loop; i++) {
      nats.publish('test', 'ok')
      if (i % hash === 0) {
        process.stdout.write('+')
      }
    }
  
    nats.flush(function () {
      const stop = new Date()
      const mps = parseInt(loop / ((stop - start) / 1000), 10)
      log('pub', loop, stop - start)
      console.log('\nPublished at ' + mps + ' msgs/sec')
    })
  
    function log (op, count, time) {
      if (process.argv.length === 2) {
        fs.appendFile('pub.csv', [op, count, time, new Date().toDateString(), NATS.version].join(',') + '\n', function (err) {
          if (err) {
            console.log(err)
          }
          process.exit()
        })
      } else {
        // running for sub test, don't record
        process.exit()
      }
    }
  })
  