Runnable/docker-mock

'use strict'

var ReadableStream = require('stream').Readable

module.exports = StringStream

function StringStream (str, opts) {
  if (typeof str !== 'string') {
    throw new Error('first argument must be a string')
  }
  this.str = str
  ReadableStream.call(this, opts || {})
}

require('util').inherits(StringStream, ReadableStream)

StringStream.prototype._read = function () {
  var self = this
  setTimeout(function () {
    self.push(self.str)
    self.str = null
  }, 10)
}