alpaca/dist/lib/jquery-hashchange/unit/unit.js

Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide

// Not sure why this isn't set by default in qunit.js..
QUnit.jsDump.HTML = false;

(function($){ // START CLOSURE

var back_broken = /(?:chrome|blackberry)/i.test( navigator.userAgent ),
  aps = Array.prototype.slice,
  opt = Object.prototype.toString;

function notice( txt ) {
  if ( txt ) {
    $('#notice').html( txt );
  } else {
    $('#notice').hide();
  }
};

function run_many_tests() {
  var tests = aps.call( arguments ),
    delay = typeof tests[0] === 'number' && tests.shift(),
    func_each = $.isFunction( tests[0] ) && tests.shift(),
    func_done = $.isFunction( tests[0] ) && tests.shift(),
    result;
  
  function set_result( i, test ) {
    result = opt.call( test ) === '[object Array]' // 1.2.6 didn't have $.isArray()
      ? func_each.apply( this, test )
      : $.isFunction( test )
        ? test( result )
        : '';
  };
  
  function next(){
    test && test.func && test.func( result );
    if ( tests.length ) {
      set_result( 0, tests.shift() );
      setTimeout( next, delay );
    } else {
      func_done && func_done();
      start();
    }
  };
  
  if ( delay ) {
    QUnit.stop(); // BlackBerry 5 explodes if "stop()" is called by itself.
    next();
    
  } else {
    $.each( tests, set_result );
    func_done && func_done();
  }
}

////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////

var hash;

// Pulled out of the plugin, pretty much.
function get_fragment( url ) {
  url = url || location.href;
  return url.replace( /^[^#]*#?(.*)$/, '$1' );
};

if ( window.document_domain_set ) {
  $.fn.hashchange.src = '../document-domain.html';
  $.fn.hashchange.domain = document.domain;
}

// Event can be bound before DOM ready.
$(window).bind( 'hashchange', function(e) {
  hash = get_fragment();
});

$(function(){
  $('#jq_version').html( $.fn.jquery );
  
  module( 'jQuery hashchange event' );
  
  test( 'window.onhashchange', function() {
    expect( 8 );
    
    var expected_hash, arr = [], msg = 'Testing window.onhashchange and history';
    
    location.hash = '#a';
    equals( get_fragment(), 'a', 'hash should be set properly' );
    
    $(window).trigger( 'hashchange' );
    equals( hash, 'a', 'hashchange triggered manually (long form)' );
    
    hash = false;
    $(window).hashchange();
    equals( hash, 'a', 'hashchange triggered manually (short form)' );
    
    run_many_tests(
      // run asynchronously
      250,
      
      // execute this for each array item
      function( new_hash ){
        notice( msg += '.' );
        expected_hash = new_hash;
        location.hash = '#' + new_hash;
      },
      
      // execute this at the end
      function(){
        notice();
      },
      
      // tests:
      
      function(result){
        // pause at the start, since the hash was just set to '#a'.
      },
      
      ['b'],
      
      function(result){
        equals( hash, expected_hash, 'hash should be set properly' );
      },
      
      [''],
      
      function(result){
        equals( hash, expected_hash, 'hash should be set properly' );
      },
      
      ['d'],
      
      function(result){
        equals( hash, expected_hash, 'hash should be set properly' );
      },
      
      function(result){
        $(window).unbind( 'hashchange' );
      },
      
      function(result){
        $(window).hashchange( function(evt){
          arr.push( get_fragment() );
        });
      },
      
      function(result){
        !back_broken && history.go( -1 );
      },
      
      function(result){
        !back_broken && history.go( -1 );
      },
      
      function(result){
        !back_broken && history.go( -1 );
      },
      
      function(result){
        if ( back_broken ) {
          // Read about this issue here: http://benalman.com/news/2009/09/chrome-browser-history-buggine/
          // and here: http://supportforums.blackberry.com/t5/Web-Development/Bold-Browser-Broken-history-go-1/td-p/107541
          ok( true, 'back button support inconsistent in chrome / blackberry (skip test)' );
        } else {
          same( arr, ['', 'b', 'a'], 'back button and history.go(-1) should work' );
        }
        
        $(window).unbind( 'hashchange' );
        var events = $.data( window, 'events' );
        ok( !events || !events.hashchange, 'hashchange event unbound' );
      },
      
      ['all_done']
      
    );
    
  });
  
});

})(jQuery); // END CLOSURE