tests/test.util.js

   1 // requires local modules: util
   2 /* jshint expr: true */
   3
   4 var assert = chai.assert;
   5 var expect = chai.expect;
   6
   7 describe('Utils', function() {
   8     "use strict";
   9
  10     describe('Array instance methods', function () {
  11         describe('push8', function () {
  12             it('should push a byte on to the array', function () {
  13                 var arr = [1];
  14                 arr.push8(128);
  15                 expect(arr).to.deep.equal([1, 128]);
  16             });
  17
  18             it('should only use the least significant byte of any number passed in', function () {
  19                 var arr = [1];
  20                 arr.push8(0xABCD);
  21                 expect(arr).to.deep.equal([1, 0xCD]);
  22             });
  23         });
  24
  25         describe('push16', function () {
  26             it('should push two bytes on to the array', function () {
  27                 var arr = [1];
  28                 arr.push16(0xABCD);
  29                 expect(arr).to.deep.equal([1, 0xAB, 0xCD]);
  30             });
  31
  32             it('should only use the two least significant bytes of any number passed in', function () {
  33                 var arr = [1];
  34                 arr.push16(0xABCDEF);
  35                 expect(arr).to.deep.equal([1, 0xCD, 0xEF]);
  36             });
  37         });
  38
  39         describe('push32', function () {
  40             it('should push four bytes on to the array', function () {
  41                 var arr = [1];
  42                 arr.push32(0xABCDEF12);
  43                 expect(arr).to.deep.equal([1, 0xAB, 0xCD, 0xEF, 0x12]);
  44             });
  45
  46             it('should only use the four least significant bytes of any number passed in', function () {
  47                 var arr = [1];
  48                 arr.push32(0xABCDEF1234);
  49                 expect(arr).to.deep.equal([1, 0xCD, 0xEF, 0x12, 0x34]);
  50             });
  51         });
  52     });
  53
  54     describe('logging functions', function () {
  55         beforeEach(function () {
  56             sinon.spy(console, 'log');
  57             sinon.spy(console, 'warn');
  58             sinon.spy(console, 'error');
  59         });
  60
  61         afterEach(function () {
  62            console.log.restore();
  63            console.warn.restore();
  64            console.error.restore();
  65         });
  66
  67         it('should use noop for levels lower than the min level', function () {
  68             Util.init_logging('warn');
  69             Util.Debug('hi');
  70             Util.Info('hello');
  71             expect(console.log).to.not.have.been.called;
  72         });
  73
  74         it('should use console.log for Debug and Info', function () {
  75             Util.init_logging('debug');
  76             Util.Debug('dbg');
  77             Util.Info('inf');
  78             expect(console.log).to.have.been.calledWith('dbg');
  79             expect(console.log).to.have.been.calledWith('inf');
  80         });
  81
  82         it('should use console.warn for Warn', function () {
  83             Util.init_logging('warn');
  84             Util.Warn('wrn');
  85             expect(console.warn).to.have.been.called;
  86             expect(console.warn).to.have.been.calledWith('wrn');
  87         });
  88
  89         it('should use console.error for Error', function () {
  90             Util.init_logging('error');
  91             Util.Error('err');
  92             expect(console.error).to.have.been.called;
  93             expect(console.error).to.have.been.calledWith('err');
  94         });
  95     });
  96
  97     // TODO(directxman12): test the conf_default and conf_defaults methods
  98     // TODO(directxman12): test decodeUTF8
  99     // TODO(directxman12): test the event methods (addEvent, removeEvent, stopEvent)
 100     // TODO(directxman12): figure out a good way to test getPosition and getEventPosition
 101     // TODO(directxman12): figure out how to test the browser detection functions properly
 102     //                     (we can't really test them against the browsers, except for Gecko
 103     //                     via PhantomJS, the default test driver)
 104 });