redis-fake/build/RedisClientFake.js

A fake (test double fake) redis client

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var RedisClientFake = function () {
  function RedisClientFake() {
    _classCallCheck(this, RedisClientFake);

    this.channelsSubscribedTo = [];
  }

  /**
   * Register an event handler for an event
   *
   * @param {string} event - a valid [Redis]{@link https://www.npmjs.com/package/redis} Publish/Subscribe event.
   * Supported events include:
   *  message
   * @param {function} handler - function to call when the event arrives. Function will receive the channel name
   * and the message object as parameters
   */


  _createClass(RedisClientFake, [{
    key: 'on',
    value: function on(event, handler) {

      if (event === 'message') {

        this.messageHandler = handler;
      }
    }

    /**
     * Publish a message to a channel. Any event handler registered for the 'message' event will be notified.
     *
     * @param {string} channel - the channel that the message will be published to
     * @param {string} message - the message to publish to the channel
     */

  }, {
    key: 'publish',
    value: function publish(channel, message) {

      var foundChannel = this.channelsSubscribedTo.find(function (subChannel) {
        return subChannel === channel;
      });

      if (foundChannel && this.messageHandler) {

        this.messageHandler(channel, message);
      }
    }

    /**
     * subscribe to be notified of messages published to the specified channel. You must be registered and listening
     * for 'message' events to be notified of any published events to this channel.
     *
     * @param {string} channel - channel to listen on
     */

  }, {
    key: 'subscribe',
    value: function subscribe(channel) {

      this.channelsSubscribedTo.push(channel);
    }
  }]);

  return RedisClientFake;
}();

exports.default = RedisClientFake;