socket.io/test/node/builder.test.js

/*!
 * socket.io-node
 * Copyright(c) 2011 LearnBoost <dev@learnboost.com>
 * MIT Licensed
 */

/**
 * Test dependencies.
 */

var builder = require('../../bin/builder')
  , common = require('./builder.common')
  , assert = require('assert');

/**
 * Tests.
 */

module.exports = {

  'version number': function () {
    builder.version.should.match(/([0-9]+)\.([0-9]+)\.([0-9]+)/);
    builder.version.should.equal(require('../../lib/io').version);
  },

  'transports replacement production build': function () {
    builder(function(error, result){
      assert.ok(!error);

      result.indexOf("'@@AVAILABLE-TRANSPORTS@@'").should.equal(-1);
    })
  },

  'transports replacement development build': function () {
    builder({ minify: false }, function (error, result) {
      assert.ok(!error);

      result.indexOf("'@@AVAILABLE-TRANSPORTS@@'").should.equal(-1);
    })
  },

  'production build LOC': function () {
    builder(function (error, result) {
      assert.ok(!error)

      var lines = result.split('\n');
      lines.length.should.be.below(5);
      lines[0].should.match(/production/gi);
      Buffer.byteLength(result).should.be.below(35000);
    });
  },

  'development build LOC': function () {
    builder({ minify: false }, function (error, result) {
      assert.ok(!error)

      var lines = result.split('\n');
      lines.length.should.be.above(5);
      lines[0].should.match(/development/gi);
      Buffer.byteLength(result).should.be.above(35000);
    });
  },

  'default builds': function () {
    builder(function (error, result) {
      assert.ok(!error);

      var io = common.execute(result).io
        , transports = Object.keys(io.Transport)
        , defaults = Object.keys(builder.transports);

      /* XHR transport is private, but still available */
      transports.length.should.be.equal(defaults.length + 1);

      defaults.forEach(function (transport) {
        transports.indexOf(transport).should.be.above(-1);
      })
    });
  },

  'custom build': function () {
    builder(['websocket'], function (error, result) {
      assert.ok(!error);

      var io = common.execute(result).io
        , transports = Object.keys(io.Transport);

      transports.length.should.be.equal(1);
      transports[0].should.be.equal('websocket');
    });
  },

  'custom code': function () {
    var custom = 'var hello = "world";';
    builder({ custom: [custom], minify: false }, function (error, result) {
      assert.ok(!error);

      result.indexOf(custom).should.be.above(-1);
    });
  },

  'node if': function () {
    var custom = '// if node \nvar hello = "world";\n'
      + '// end node\nvar pew = "pew";';

    builder({ custom: [custom], minify: false }, function (error, result) {
      assert.ok(!error);

      result.indexOf(custom).should.be.equal(-1);
      result.indexOf('// if node').should.be.equal(-1);
      result.indexOf('// end node').should.be.equal(-1);
      result.indexOf('"world"').should.be.equal(-1);
      result.indexOf('var pew = "pew"').should.be.above(-1);
    });
  },

  'globals': function () {
    builder(function (error, result) {
      var io = common.execute(result)
        , env = common.env()
        , globals = 0;

      // allowed globals
      var allowed = ['io'];
      Array.prototype.push.apply(allowed, Object.keys(env));

      Object.keys(io).forEach(function (global) {
        var index = allowed.indexOf(global);

        // the global is not allowed!
        if (!~index) {
          console.log(global);
          globals++;
        }
      });

      // don't polute the globals
      globals.should.be.equal(0);
    })
  }

};