remjson/test/bin.server-client.test.js

JSON-RPC 1.0/2.0 compliant server and client

var should = require('should');
var remjson = require(__dirname + '/../lib');
var support = require('./support');
var exec = require('child_process').exec;
var fs = require('fs');
var url = require('url');
var bin = __dirname + '/../bin/remjson.js';

describe('RemJson.Bin', function () {

  var server = remjson.server(support.server.methods, support.server.options);

  describe('port-listening http server', function () {

    var http = null;
    var hostname = 'localhost';
    var port = 34000;
    var surl = url.format({
      port: port,
      protocol: 'http',
      hostname: hostname
    });

    before(function (done) {
      http = server.http();
      http.listen(port, hostname, done);
    });

    after(function (done) {
      http.on('close', done);
      http.close();
    });

    it('should be callable', function (done) {

      var args = get_args(bin, {
        url: surl,
        method: 'add',
        quiet: true,
        json: true,
        params: JSON.stringify([4, 9])
      });

      exec(args, function (err, stdout, stderr) {
        if (err) throw err;

        should.exist(stdout, stderr);
        stderr.should.equal('');

        console.log(stdout);
        var json = JSON.parse(stdout);
        json.should.containDeep({
          result: 4 + 9
        });

        done();
      });
    });

  });

  describe('port-listening tcp server', function () {

    var tcp = null;
    var hostname = 'localhost';
    var port = "35000";
    var socket = hostname + ":" + port;

    before(function (done) {
      tcp = server.tcp();
      tcp.listen(port, hostname, done);
    });

    after(function (done) {
      tcp.on('close', done);
      tcp.close();
    });

    it('should be callable', function (done) {

      var args = get_args(bin, {
        socket: socket,
        method: 'add',
        quiet: true,
        json: true,
        params: JSON.stringify([1, 2])
      });

      exec(args, function (err, stdout, stderr) {
        if (err) throw err;
        var json = JSON.parse(stdout);
        stderr.should.equal('');

        json.should.containDeep({
          result: 1 + 2
        });

        done();
      });
    });

  });

  describe('unix domain socket-listening server', function () {

    var http = null;
    var socketPath = __dirname + '/support/bin.test.socket';

    before(function (done) {
      try {
        fs.unlinkSync(socketPath);
      } catch (ignore) {
      }
      http = server.http();
      http.listen(socketPath, done);
    });

    after(function (done) {
      http.on('close', done);
      http.close();
    });

    it('should be callable', function (done) {

      var args = get_args(bin, {
        socket: socketPath,
        method: 'add',
        quiet: true,
        json: true,
        params: JSON.stringify([1, 2])
      });

      exec(args, function (err, stdout, stderr) {
        if (err) throw err;
        var json = JSON.parse(stdout);
        stderr.should.equal('');

        json.should.containDeep({
          result: 1 + 2
        });

        done();
      });
    });

  });

});

function get_args(binary, args) {
  var buf = binary;
  for (var arg in args) {
    var value = args[arg];
    buf += ' --' + arg;
    if (typeof(value) === 'string') {
      buf += ' "' + value + '"';
    }
  }
  return buf;
}