tests/qunit/suites/resources/mediawiki/mediawiki.test.js

   1 /*jshint -W024 */
   2 ( function ( mw, $ ) {
   3         var specialCharactersPageName,
   4                 // Can't mock SITENAME since jqueryMsg caches it at load
   5                 siteName = mw.config.get( 'wgSiteName' );
   6
   7         // Since QUnitTestResources.php loads both mediawiki and mediawiki.jqueryMsg as
   8         // dependencies, this only tests the monkey-patched behavior with the two of them combined.
   9
  10         // See mediawiki.jqueryMsg.test.js for unit tests for jqueryMsg-specific functionality.
  11
  12         QUnit.module( 'mediawiki', QUnit.newMwEnvironment( {
  13                 setup: function () {
  14                         specialCharactersPageName = '"Who" wants to be a millionaire & live on \'Exotic Island\'?';
  15                 },
  16                 config: {
  17                         wgArticlePath: '/wiki/$1',
  18
  19                         // For formatnum tests
  20                         wgUserLanguage: 'en'
  21                 },
  22                 // Messages used in multiple tests
  23                 messages: {
  24                         'other-message': 'Other Message',
  25                         'mediawiki-test-pagetriage-del-talk-page-notify-summary': 'Notifying author of deletion nomination for [[$1]]',
  26                         'gender-plural-msg': '{{GENDER:$1|he|she|they}} {{PLURAL:$2|is|are}} awesome',
  27                         'grammar-msg': 'Przeszukaj {{GRAMMAR:grammar_case_foo|{{SITENAME}}}}',
  28                         'formatnum-msg': '{{formatnum:$1}}',
  29                         'int-msg': 'Some {{int:other-message}}',
  30                         'mediawiki-test-version-entrypoints-index-php': '[https://www.mediawiki.org/wiki/Manual:index.php index.php]',
  31                         'external-link-replace': 'Foo [$1 bar]'
  32                 }
  33         } ) );
  34
  35         mw.loader.addSource(
  36                 'testloader',
  37                 QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/load.mock.php' )
  38         );
  39
  40         QUnit.test( 'Initial check', 8, function ( assert ) {
  41                 assert.ok( window.jQuery, 'jQuery defined' );
  42                 assert.ok( window.$, '$ defined' );
  43                 assert.strictEqual( window.$, window.jQuery, '$ alias to jQuery' );
  44
  45                 this.suppressWarnings();
  46                 assert.ok( window.$j, '$j defined' );
  47                 assert.strictEqual( window.$j, window.jQuery, '$j alias to jQuery' );
  48                 this.restoreWarnings();
  49
  50                 // window.mw and window.mediaWiki are not deprecated, but for some reason
  51                 // PhantomJS is triggerring the accessors on all mw.* properties in this test,
  52                 // and with that lots of unrelated deprecation notices.
  53                 this.suppressWarnings();
  54                 assert.ok( window.mediaWiki, 'mediaWiki defined' );
  55                 assert.ok( window.mw, 'mw defined' );
  56                 assert.strictEqual( window.mw, window.mediaWiki, 'mw alias to mediaWiki' );
  57                 this.restoreWarnings();
  58         } );
  59
  60         QUnit.test( 'mw.Map', 35, function ( assert ) {
  61                 var arry, conf, funky, globalConf, nummy, someValues;
  62
  63                 conf = new mw.Map();
  64                 // Dummy variables
  65                 funky = function () {};
  66                 arry = [];
  67                 nummy = 7;
  68
  69                 // Single get and set
  70
  71                 assert.strictEqual( conf.set( 'foo', 'Bar' ), true, 'Map.set returns boolean true if a value was set for a valid key string' );
  72                 assert.equal( conf.get( 'foo' ), 'Bar', 'Map.get returns a single value value correctly' );
  73
  74                 assert.strictEqual( conf.get( 'example' ), null, 'Map.get returns null if selection was a string and the key was not found' );
  75                 assert.strictEqual( conf.get( 'example', arry ), arry, 'Map.get returns fallback by reference if the key was not found' );
  76                 assert.strictEqual( conf.get( 'example', undefined ), undefined, 'Map.get supports `undefined` as fallback instead of `null`' );
  77
  78                 assert.strictEqual( conf.get( 'constructor' ), null, 'Map.get does not look at Object.prototype of internal storage (constructor)' );
  79                 assert.strictEqual( conf.get( 'hasOwnProperty' ), null, 'Map.get does not look at Object.prototype of internal storage (hasOwnProperty)' );
  80
  81                 conf.set( 'hasOwnProperty', function () { return true; } );
  82                 assert.strictEqual( conf.get( 'example', 'missing' ), 'missing', 'Map.get uses neutral hasOwnProperty method (positive)' );
  83
  84                 conf.set( 'example', 'Foo' );
  85                 conf.set( 'hasOwnProperty', function () { return false; } );
  86                 assert.strictEqual( conf.get( 'example' ), 'Foo', 'Map.get uses neutral hasOwnProperty method (negative)' );
  87
  88                 assert.strictEqual( conf.set( 'constructor', 42 ), true, 'Map.set for key "constructor"' );
  89                 assert.strictEqual( conf.get( 'constructor' ), 42, 'Map.get for key "constructor"' );
  90
  91                 assert.strictEqual( conf.set( 'undef' ), false, 'Map.set requires explicit value (no undefined default)' );
  92
  93                 assert.strictEqual( conf.set( 'undef', undefined ), true, 'Map.set allows setting value to `undefined`' );
  94                 assert.equal( conf.get( 'undef', 'fallback' ), undefined, 'Map.get supports retreiving value of `undefined`' );
  95
  96                 assert.strictEqual( conf.set( funky, 'Funky' ), false, 'Map.set returns boolean false if key was invalid (Function)' );
  97                 assert.strictEqual( conf.set( arry, 'Arry' ), false, 'Map.set returns boolean false if key was invalid (Array)' );
  98                 assert.strictEqual( conf.set( nummy, 'Nummy' ), false, 'Map.set returns boolean false if key was invalid (Number)' );
  99
 100                 assert.strictEqual( conf.get( funky ), null, 'Map.get ruturns null if selection was invalid (Function)' );
 101                 assert.strictEqual( conf.get( nummy ), null, 'Map.get ruturns null if selection was invalid (Number)' );
 102
 103                 conf.set( String( nummy ), 'I used to be a number' );
 104
 105                 assert.strictEqual( conf.exists( 'doesNotExist' ), false, 'Map.exists where property does not exist' );
 106                 assert.strictEqual( conf.exists( 'undef' ), true, 'Map.exists where value is `undefined`' );
 107                 assert.strictEqual( conf.exists( nummy ), false, 'Map.exists where key is invalid but looks like an existing key' );
 108
 109                 // Multiple values at once
 110                 someValues = {
 111                         'foo': 'bar',
 112                         'lorem': 'ipsum',
 113                         'MediaWiki': true
 114                 };
 115                 assert.strictEqual( conf.set( someValues ), true, 'Map.set returns boolean true if multiple values were set by passing an object' );
 116                 assert.deepEqual( conf.get( ['foo', 'lorem'] ), {
 117                         'foo': 'bar',
 118                         'lorem': 'ipsum'
 119                 }, 'Map.get returns multiple values correctly as an object' );
 120
 121                 assert.deepEqual( conf, new mw.Map( conf.values ), 'new mw.Map maps over existing values-bearing object' );
 122
 123                 assert.deepEqual( conf.get( ['foo', 'notExist'] ), {
 124                         'foo': 'bar',
 125                         'notExist': null
 126                 }, 'Map.get return includes keys that were not found as null values' );
 127
 128                 // Interacting with globals and accessing the values object
 129                 assert.strictEqual( conf.get(), conf.values, 'Map.get returns the entire values object by reference (if called without arguments)' );
 130
 131                 conf.set( 'globalMapChecker', 'Hi' );
 132
 133                 assert.ok( ( 'globalMapChecker' in window ) === false, 'Map does not its store values in the window object by default' );
 134
 135                 globalConf = new mw.Map( true );
 136                 globalConf.set( 'anotherGlobalMapChecker', 'Hello' );
 137
 138                 assert.ok( 'anotherGlobalMapChecker' in window, 'global Map stores its values in the window object' );
 139
 140                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Hello', 'get value from global Map via get()' );
 141                 this.suppressWarnings();
 142                 assert.equal( window.anotherGlobalMapChecker, 'Hello', 'get value from global Map via window object' );
 143                 this.restoreWarnings();
 144
 145                 // Change value via global Map
 146                 globalConf.set('anotherGlobalMapChecker', 'Again');
 147                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Again', 'Change in global Map reflected via get()' );
 148                 this.suppressWarnings();
 149                 assert.equal( window.anotherGlobalMapChecker, 'Again', 'Change in global Map reflected window object' );
 150                 this.restoreWarnings();
 151
 152                 // Change value via window object
 153                 this.suppressWarnings();
 154                 window.anotherGlobalMapChecker = 'World';
 155                 assert.equal( window.anotherGlobalMapChecker, 'World', 'Change in window object works' );
 156                 this.restoreWarnings();
 157                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Again', 'Change in window object not reflected in global Map' );
 158
 159                 // Whitelist this global variable for QUnit's 'noglobal' mode
 160                 if ( QUnit.config.noglobals ) {
 161                         QUnit.config.pollution.push( 'anotherGlobalMapChecker' );
 162                 }
 163         } );
 164
 165         QUnit.test( 'mw.config', 1, function ( assert ) {
 166                 assert.ok( mw.config instanceof mw.Map, 'mw.config instance of mw.Map' );
 167         } );
 168
 169         QUnit.test( 'mw.message & mw.messages', 100, function ( assert ) {
 170                 var goodbye, hello;
 171
 172                 // Convenience method for asserting the same result for multiple formats
 173                 function assertMultipleFormats( messageArguments, formats, expectedResult, assertMessage ) {
 174                         var format, i,
 175                                 len = formats.length;
 176
 177                         for ( i = 0; i < len; i++ ) {
 178                                 format = formats[i];
 179                                 assert.equal( mw.message.apply( null, messageArguments )[format](), expectedResult, assertMessage + ' when format is ' + format );
 180                         }
 181                 }
 182
 183                 assert.ok( mw.messages, 'messages defined' );
 184                 assert.ok( mw.messages instanceof mw.Map, 'mw.messages instance of mw.Map' );
 185                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 186
 187                 hello = mw.message( 'hello' );
 188
 189                 // https://bugzilla.wikimedia.org/show_bug.cgi?id=44459
 190                 assert.equal( hello.format, 'text', 'Message property "format" defaults to "text"' );
 191
 192                 assert.strictEqual( hello.map, mw.messages, 'Message property "map" defaults to the global instance in mw.messages' );
 193                 assert.equal( hello.key, 'hello', 'Message property "key" (currect key)' );
 194                 assert.deepEqual( hello.parameters, [], 'Message property "parameters" defaults to an empty array' );
 195
 196                 // Todo
 197                 assert.ok( hello.params, 'Message prototype "params"' );
 198
 199                 hello.format = 'plain';
 200                 assert.equal( hello.toString(), 'Hello <b>awesome</b> world', 'Message.toString returns the message as a string with the current "format"' );
 201
 202                 assert.equal( hello.escaped(), 'Hello &lt;b&gt;awesome&lt;/b&gt; world', 'Message.escaped returns the escaped message' );
 203                 assert.equal( hello.format, 'escaped', 'Message.escaped correctly updated the "format" property' );
 204
 205                 assert.ok( mw.messages.set( 'multiple-curly-brace', '"{{SITENAME}}" is the home of {{int:other-message}}' ), 'mw.messages.set: Register' );
 206                 assertMultipleFormats( ['multiple-curly-brace'], ['text', 'parse'], '"' + siteName + '" is the home of Other Message', 'Curly brace format works correctly' );
 207                 assert.equal( mw.message( 'multiple-curly-brace' ).plain(), mw.messages.get( 'multiple-curly-brace' ), 'Plain format works correctly for curly brace message' );
 208                 assert.equal( mw.message( 'multiple-curly-brace' ).escaped(), mw.html.escape( '"' + siteName + '" is the home of Other Message' ), 'Escaped format works correctly for curly brace message' );
 209
 210                 assert.ok( mw.messages.set( 'multiple-square-brackets-and-ampersand', 'Visit the [[Project:Community portal|community portal]] & [[Project:Help desk|help desk]]' ), 'mw.messages.set: Register' );
 211                 assertMultipleFormats( ['multiple-square-brackets-and-ampersand'], ['plain', 'text'], mw.messages.get( 'multiple-square-brackets-and-ampersand' ), 'Square bracket message is not processed' );
 212                 assert.equal( mw.message( 'multiple-square-brackets-and-ampersand' ).escaped(), 'Visit the [[Project:Community portal|community portal]] &amp; [[Project:Help desk|help desk]]', 'Escaped format works correctly for square bracket message' );
 213                 assert.htmlEqual( mw.message( 'multiple-square-brackets-and-ampersand' ).parse(), 'Visit the ' +
 214                         '<a title="Project:Community portal" href="/wiki/Project:Community_portal">community portal</a>' +
 215                         ' &amp; <a title="Project:Help desk" href="/wiki/Project:Help_desk">help desk</a>', 'Internal links work with parse' );
 216
 217                 assertMultipleFormats( ['mediawiki-test-version-entrypoints-index-php'], ['plain', 'text', 'escaped'], mw.messages.get( 'mediawiki-test-version-entrypoints-index-php' ), 'External link markup is unprocessed' );
 218                 assert.htmlEqual( mw.message( 'mediawiki-test-version-entrypoints-index-php' ).parse(), '<a href="https://www.mediawiki.org/wiki/Manual:index.php">index.php</a>', 'External link works correctly in parse mode' );
 219
 220                 assertMultipleFormats( ['external-link-replace', 'http://example.org/?x=y&z'], ['plain', 'text'], 'Foo [http://example.org/?x=y&z bar]', 'Parameters are substituted but external link is not processed' );
 221                 assert.equal( mw.message( 'external-link-replace', 'http://example.org/?x=y&z' ).escaped(), 'Foo [http://example.org/?x=y&amp;z bar]', 'In escaped mode, parameters are substituted and ampersand is escaped, but external link is not processed' );
 222                 assert.htmlEqual( mw.message( 'external-link-replace', 'http://example.org/?x=y&z' ).parse(), 'Foo <a href="http://example.org/?x=y&amp;z">bar</a>', 'External link with replacement works in parse mode without double-escaping' );
 223
 224                 hello.parse();
 225                 assert.equal( hello.format, 'parse', 'Message.parse correctly updated the "format" property' );
 226
 227                 hello.plain();
 228                 assert.equal( hello.format, 'plain', 'Message.plain correctly updated the "format" property' );
 229
 230                 hello.text();
 231                 assert.equal( hello.format, 'text', 'Message.text correctly updated the "format" property' );
 232
 233                 assert.strictEqual( hello.exists(), true, 'Message.exists returns true for existing messages' );
 234
 235                 goodbye = mw.message( 'goodbye' );
 236                 assert.strictEqual( goodbye.exists(), false, 'Message.exists returns false for nonexistent messages' );
 237
 238                 assertMultipleFormats( ['goodbye'], ['plain', 'text'], '<goodbye>', 'Message.toString returns <key> if key does not exist' );
 239                 // bug 30684
 240                 assertMultipleFormats( ['goodbye'], ['parse', 'escaped'], '&lt;goodbye&gt;', 'Message.toString returns properly escaped &lt;key&gt; if key does not exist' );
 241
 242                 assert.ok( mw.messages.set( 'plural-test-msg', 'There {{PLURAL:$1|is|are}} $1 {{PLURAL:$1|result|results}}' ), 'mw.messages.set: Register' );
 243                 assertMultipleFormats( ['plural-test-msg', 6], ['text', 'parse', 'escaped'], 'There are 6 results', 'plural get resolved' );
 244                 assert.equal( mw.message( 'plural-test-msg', 6 ).plain(), 'There {{PLURAL:6|is|are}} 6 {{PLURAL:6|result|results}}', 'Parameter is substituted but plural is not resolved in plain' );
 245
 246                 assert.ok( mw.messages.set( 'plural-test-msg-explicit', 'There {{plural:$1|is one car|are $1 cars|0=are no cars|12=are a dozen cars}}' ), 'mw.messages.set: Register message with explicit plural forms' );
 247                 assertMultipleFormats( ['plural-test-msg-explicit', 12], ['text', 'parse', 'escaped'], 'There are a dozen cars', 'explicit plural get resolved' );
 248
 249                 assert.ok( mw.messages.set( 'plural-test-msg-explicit-beginning', 'Basket has {{plural:$1|0=no eggs|12=a dozen eggs|6=half a dozen eggs|one egg|$1 eggs}}' ), 'mw.messages.set: Register message with explicit plural forms' );
 250                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 1], ['text', 'parse', 'escaped'], 'Basket has one egg', 'explicit plural given at beginning get resolved for singular' );
 251                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 4], ['text', 'parse', 'escaped'], 'Basket has 4 eggs', 'explicit plural given at beginning get resolved for plural' );
 252                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 6], ['text', 'parse', 'escaped'], 'Basket has half a dozen eggs', 'explicit plural given at beginning get resolved for 6' );
 253                 assertMultipleFormats( ['plural-test-msg-explicit-beginning', 0], ['text', 'parse', 'escaped'], 'Basket has no eggs', 'explicit plural given at beginning get resolved for 0' );
 254
 255                 assertMultipleFormats( ['mediawiki-test-pagetriage-del-talk-page-notify-summary'], ['plain', 'text'], mw.messages.get( 'mediawiki-test-pagetriage-del-talk-page-notify-summary' ), 'Double square brackets with no parameters unchanged' );
 256
 257                 assertMultipleFormats( ['mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName], ['plain', 'text'], 'Notifying author of deletion nomination for [[' + specialCharactersPageName + ']]', 'Double square brackets with one parameter' );
 258
 259                 assert.equal( mw.message( 'mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName ).escaped(), 'Notifying author of deletion nomination for [[' + mw.html.escape( specialCharactersPageName ) + ']]', 'Double square brackets with one parameter, when escaped' );
 260
 261                 assert.ok( mw.messages.set( 'mediawiki-test-categorytree-collapse-bullet', '[<b>−</b>]' ), 'mw.messages.set: Register' );
 262                 assert.equal( mw.message( 'mediawiki-test-categorytree-collapse-bullet' ).plain(), mw.messages.get( 'mediawiki-test-categorytree-collapse-bullet' ), 'Single square brackets unchanged in plain mode' );
 263
 264                 assert.ok( mw.messages.set( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result', '<a href=\'#\' title=\'{{#special:mypage}}\'>Username</a> (<a href=\'#\' title=\'{{#special:mytalk}}\'>talk</a>)' ), 'mw.messages.set: Register' );
 265                 assert.equal( mw.message( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result' ).plain(), mw.messages.get( 'mediawiki-test-wikieditor-toolbar-help-content-signature-result' ), 'HTML message with curly braces is not changed in plain mode' );
 266
 267                 assertMultipleFormats( ['gender-plural-msg', 'male', 1], ['text', 'parse', 'escaped'], 'he is awesome', 'Gender and plural are resolved' );
 268                 assert.equal( mw.message( 'gender-plural-msg', 'male', 1 ).plain(), '{{GENDER:male|he|she|they}} {{PLURAL:1|is|are}} awesome', 'Parameters are substituted, but gender and plural are not resolved in plain mode' );
 269
 270                 assert.equal( mw.message( 'grammar-msg' ).plain(), mw.messages.get( 'grammar-msg' ), 'Grammar is not resolved in plain mode' );
 271                 assertMultipleFormats( ['grammar-msg'], ['text', 'parse'], 'Przeszukaj ' + siteName, 'Grammar is resolved' );
 272                 assert.equal( mw.message( 'grammar-msg' ).escaped(), 'Przeszukaj ' + siteName, 'Grammar is resolved in escaped mode' );
 273
 274                 assertMultipleFormats( ['formatnum-msg', '987654321.654321'], ['text', 'parse', 'escaped'], '987,654,321.654', 'formatnum is resolved' );
 275                 assert.equal( mw.message( 'formatnum-msg' ).plain(), mw.messages.get( 'formatnum-msg' ), 'formatnum is not resolved in plain mode' );
 276
 277                 assertMultipleFormats( ['int-msg'], ['text', 'parse', 'escaped'], 'Some Other Message', 'int is resolved' );
 278                 assert.equal( mw.message( 'int-msg' ).plain(), mw.messages.get( 'int-msg' ), 'int is not resolved in plain mode' );
 279
 280                 assert.ok( mw.messages.set( 'mediawiki-italics-msg', '<i>Very</i> important' ), 'mw.messages.set: Register' );
 281                 assertMultipleFormats( ['mediawiki-italics-msg'], ['plain', 'text', 'parse'], mw.messages.get( 'mediawiki-italics-msg' ), 'Simple italics unchanged' );
 282                 assert.htmlEqual(
 283                         mw.message( 'mediawiki-italics-msg' ).escaped(),
 284                         '&lt;i&gt;Very&lt;/i&gt; important',
 285                         'Italics are escaped in escaped mode'
 286                 );
 287
 288                 assert.ok( mw.messages.set( 'mediawiki-italics-with-link', 'An <i>italicized [[link|wiki-link]]</i>' ), 'mw.messages.set: Register' );
 289                 assertMultipleFormats( ['mediawiki-italics-with-link'], ['plain', 'text'], mw.messages.get( 'mediawiki-italics-with-link' ), 'Italics with link unchanged' );
 290                 assert.htmlEqual(
 291                         mw.message( 'mediawiki-italics-with-link' ).escaped(),
 292                         'An &lt;i&gt;italicized [[link|wiki-link]]&lt;/i&gt;',
 293                         'Italics and link unchanged except for escaping in escaped mode'
 294                 );
 295                 assert.htmlEqual(
 296                         mw.message( 'mediawiki-italics-with-link' ).parse(),
 297                         'An <i>italicized <a title="link" href="' + mw.util.getUrl( 'link' ) + '">wiki-link</i>',
 298                         'Italics with link inside in parse mode'
 299                 );
 300
 301                 assert.ok( mw.messages.set( 'mediawiki-script-msg', '<script  >alert( "Who put this script here?" );</script>' ), 'mw.messages.set: Register' );
 302                 assertMultipleFormats( ['mediawiki-script-msg'], ['plain', 'text'], mw.messages.get( 'mediawiki-script-msg' ), 'Script unchanged' );
 303                 assert.htmlEqual(
 304                         mw.message( 'mediawiki-script-msg' ).escaped(),
 305                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 306                         'Script escaped when using escaped format'
 307                 );
 308                 assert.htmlEqual(
 309                         mw.message( 'mediawiki-script-msg' ).parse(),
 310                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 311                         'Script escaped when using parse format'
 312                 );
 313
 314         } );
 315
 316         QUnit.test( 'mw.msg', 14, function ( assert ) {
 317                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 318                 assert.equal( mw.msg( 'hello' ), 'Hello <b>awesome</b> world', 'Gets message with default options (existing message)' );
 319                 assert.equal( mw.msg( 'goodbye' ), '<goodbye>', 'Gets message with default options (nonexistent message)' );
 320
 321                 assert.ok( mw.messages.set( 'plural-item', 'Found $1 {{PLURAL:$1|item|items}}' ), 'mw.messages.set: Register' );
 322                 assert.equal( mw.msg( 'plural-item', 5 ), 'Found 5 items', 'Apply plural for count 5' );
 323                 assert.equal( mw.msg( 'plural-item', 0 ), 'Found 0 items', 'Apply plural for count 0' );
 324                 assert.equal( mw.msg( 'plural-item', 1 ), 'Found 1 item', 'Apply plural for count 1' );
 325
 326                 assert.equal( mw.msg( 'mediawiki-test-pagetriage-del-talk-page-notify-summary', specialCharactersPageName ), 'Notifying author of deletion nomination for [[' + specialCharactersPageName + ']]', 'Double square brackets in mw.msg one parameter' );
 327
 328                 assert.equal( mw.msg( 'gender-plural-msg', 'male', 1 ), 'he is awesome', 'Gender test for male, plural count 1' );
 329                 assert.equal( mw.msg( 'gender-plural-msg', 'female', '1' ), 'she is awesome', 'Gender test for female, plural count 1' );
 330                 assert.equal( mw.msg( 'gender-plural-msg', 'unknown', 10 ), 'they are awesome', 'Gender test for neutral, plural count 10' );
 331
 332                 assert.equal( mw.msg( 'grammar-msg' ), 'Przeszukaj ' + siteName, 'Grammar is resolved' );
 333
 334                 assert.equal( mw.msg( 'formatnum-msg', '987654321.654321' ), '987,654,321.654', 'formatnum is resolved' );
 335
 336                 assert.equal( mw.msg( 'int-msg' ), 'Some Other Message', 'int is resolved' );
 337         } );
 338
 339         /**
 340          * The sync style load test (for @import). This is, in a way, also an open bug for
 341          * ResourceLoader ("execute js after styles are loaded"), but browsers don't offer a
 342          * way to get a callback from when a stylesheet is loaded (that is, including any
 343          * @import rules inside). To work around this, we'll have a little time loop to check
 344          * if the styles apply.
 345          * Note: This test originally used new Image() and onerror to get a callback
 346          * when the url is loaded, but that is fragile since it doesn't monitor the
 347          * same request as the css @import, and Safari 4 has issues with
 348          * onerror/onload not being fired at all in weird cases like this.
 349          */
 350         function assertStyleAsync( assert, $element, prop, val, fn ) {
 351                 var styleTestStart,
 352                         el = $element.get( 0 ),
 353                         styleTestTimeout = ( QUnit.config.testTimeout || 5000 ) - 200;
 354
 355                 function isCssImportApplied() {
 356                         // Trigger reflow, repaint, redraw, whatever (cross-browser)
 357                         var x = $element.css( 'height' );
 358                         x = el.innerHTML;
 359                         el.className = el.className;
 360                         x = document.documentElement.clientHeight;
 361
 362                         return $element.css( prop ) === val;
 363                 }
 364
 365                 function styleTestLoop() {
 366                         var styleTestSince = new Date().getTime() - styleTestStart;
 367                         // If it is passing or if we timed out, run the real test and stop the loop
 368                         if ( isCssImportApplied() || styleTestSince > styleTestTimeout ) {
 369                                 assert.equal( $element.css( prop ), val,
 370                                         'style "' + prop + ': ' + val + '" from url is applied (after ' + styleTestSince + 'ms)'
 371                                 );
 372
 373                                 if ( fn ) {
 374                                         fn();
 375                                 }
 376
 377                                 return;
 378                         }
 379                         // Otherwise, keep polling
 380                         setTimeout( styleTestLoop );
 381                 }
 382
 383                 // Start the loop
 384                 styleTestStart = new Date().getTime();
 385                 styleTestLoop();
 386         }
 387
 388         function urlStyleTest( selector, prop, val ) {
 389                 return QUnit.fixurl(
 390                         mw.config.get( 'wgScriptPath' ) +
 391                                 '/tests/qunit/data/styleTest.css.php?' +
 392                                 $.param( {
 393                                         selector: selector,
 394                                         prop: prop,
 395                                         val: val
 396                                 } )
 397                 );
 398         }
 399
 400         QUnit.asyncTest( 'mw.loader', 2, function ( assert ) {
 401                 var isAwesomeDone;
 402
 403                 mw.loader.testCallback = function () {
 404                         QUnit.start();
 405                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module is.awesome: isAwesomeDone should still be undefined' );
 406                         isAwesomeDone = true;
 407                 };
 408
 409                 mw.loader.implement( 'test.callback', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )] );
 410
 411                 mw.loader.using( 'test.callback', function () {
 412
 413                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 414                         // which contains a call to start() and ok()
 415                         assert.strictEqual( isAwesomeDone, true, 'test.callback module should\'ve caused isAwesomeDone to be true' );
 416                         delete mw.loader.testCallback;
 417
 418                 }, function () {
 419                         QUnit.start();
 420                         assert.ok( false, 'Error callback fired while loader.using "test.callback" module' );
 421                 } );
 422         } );
 423
 424         QUnit.asyncTest( 'mw.loader with Object method as module name', 2, function ( assert ) {
 425                 var isAwesomeDone;
 426
 427                 mw.loader.testCallback = function () {
 428                         QUnit.start();
 429                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module hasOwnProperty: isAwesomeDone should still be undefined' );
 430                         isAwesomeDone = true;
 431                 };
 432
 433                 mw.loader.implement( 'hasOwnProperty', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )], {}, {} );
 434
 435                 mw.loader.using( 'hasOwnProperty', function () {
 436
 437                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 438                         // which contains a call to start() and ok()
 439                         assert.strictEqual( isAwesomeDone, true, 'hasOwnProperty module should\'ve caused isAwesomeDone to be true' );
 440                         delete mw.loader.testCallback;
 441
 442                 }, function () {
 443                         QUnit.start();
 444                         assert.ok( false, 'Error callback fired while loader.using "hasOwnProperty" module' );
 445                 } );
 446         } );
 447
 448         QUnit.asyncTest( 'mw.loader.using( .. ).promise', 2, function ( assert ) {
 449                 var isAwesomeDone;
 450
 451                 mw.loader.testCallback = function () {
 452                         QUnit.start();
 453                         assert.strictEqual( isAwesomeDone, undefined, 'Implementing module is.awesome: isAwesomeDone should still be undefined' );
 454                         isAwesomeDone = true;
 455                 };
 456
 457                 mw.loader.implement( 'test.promise', [QUnit.fixurl( mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/callMwLoaderTestCallback.js' )] );
 458
 459                 mw.loader.using( 'test.promise' )
 460                 .done( function () {
 461
 462                         // /sample/awesome.js declares the "mw.loader.testCallback" function
 463                         // which contains a call to start() and ok()
 464                         assert.strictEqual( isAwesomeDone, true, 'test.promise module should\'ve caused isAwesomeDone to be true' );
 465                         delete mw.loader.testCallback;
 466
 467                 } )
 468                 .fail( function () {
 469                         QUnit.start();
 470                         assert.ok( false, 'Error callback fired while loader.using "test.promise" module' );
 471                 } );
 472         } );
 473
 474         QUnit.asyncTest( 'mw.loader.implement( styles={ "css": [text, ..] } )', 2, function ( assert ) {
 475                 var $element = $( '<div class="mw-test-implement-a"></div>' ).appendTo( '#qunit-fixture' );
 476
 477                 assert.notEqual(
 478                         $element.css( 'float' ),
 479                         'right',
 480                         'style is clear'
 481                 );
 482
 483                 mw.loader.implement(
 484                         'test.implement.a',
 485                         function () {
 486                                 assert.equal(
 487                                         $element.css( 'float' ),
 488                                         'right',
 489                                         'style is applied'
 490                                 );
 491                                 QUnit.start();
 492                         },
 493                         {
 494                                 'all': '.mw-test-implement-a { float: right; }'
 495                         }
 496                 );
 497
 498                 mw.loader.load( [
 499                         'test.implement.a'
 500                 ] );
 501         } );
 502
 503         QUnit.asyncTest( 'mw.loader.implement( styles={ "url": { <media>: [url, ..] } } )', 7, function ( assert ) {
 504                 var $element1 = $( '<div class="mw-test-implement-b1"></div>' ).appendTo( '#qunit-fixture' ),
 505                         $element2 = $( '<div class="mw-test-implement-b2"></div>' ).appendTo( '#qunit-fixture' ),
 506                         $element3 = $( '<div class="mw-test-implement-b3"></div>' ).appendTo( '#qunit-fixture' );
 507
 508                 assert.notEqual(
 509                         $element1.css( 'text-align' ),
 510                         'center',
 511                         'style is clear'
 512                 );
 513                 assert.notEqual(
 514                         $element2.css( 'float' ),
 515                         'left',
 516                         'style is clear'
 517                 );
 518                 assert.notEqual(
 519                         $element3.css( 'text-align' ),
 520                         'right',
 521                         'style is clear'
 522                 );
 523
 524                 mw.loader.implement(
 525                         'test.implement.b',
 526                         function () {
 527                                 // Note: QUnit.start() must only be called when the entire test is
 528                                 // complete. So, make sure that we don't start until *both*
 529                                 // assertStyleAsync calls have completed.
 530                                 var pending = 2;
 531                                 assertStyleAsync( assert, $element2, 'float', 'left', function () {
 532                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 533
 534                                         pending--;
 535                                         if ( pending === 0 ) {
 536                                                 QUnit.start();
 537                                         }
 538                                 } );
 539                                 assertStyleAsync( assert, $element3, 'float', 'right', function () {
 540                                         assert.notEqual( $element1.css( 'text-align' ), 'center', 'print style is not applied' );
 541
 542                                         pending--;
 543                                         if ( pending === 0 ) {
 544                                                 QUnit.start();
 545                                         }
 546                                 } );
 547                         },
 548                         {
 549                                 'url': {
 550                                         'print': [urlStyleTest( '.mw-test-implement-b1', 'text-align', 'center' )],
 551                                         'screen': [
 552                                                 // bug 40834: Make sure it actually works with more than 1 stylesheet reference
 553                                                 urlStyleTest( '.mw-test-implement-b2', 'float', 'left' ),
 554                                                 urlStyleTest( '.mw-test-implement-b3', 'float', 'right' )
 555                                         ]
 556                                 }
 557                         }
 558                 );
 559
 560                 mw.loader.load( [
 561                         'test.implement.b'
 562                 ] );
 563         } );
 564
 565         // Backwards compatibility
 566         QUnit.asyncTest( 'mw.loader.implement( styles={ <media>: text } ) (back-compat)', 2, function ( assert ) {
 567                 var $element = $( '<div class="mw-test-implement-c"></div>' ).appendTo( '#qunit-fixture' );
 568
 569                 assert.notEqual(
 570                         $element.css( 'float' ),
 571                         'right',
 572                         'style is clear'
 573                 );
 574
 575                 mw.loader.implement(
 576                         'test.implement.c',
 577                         function () {
 578                                 assert.equal(
 579                                         $element.css( 'float' ),
 580                                         'right',
 581                                         'style is applied'
 582                                 );
 583                                 QUnit.start();
 584                         },
 585                         {
 586                                 'all': '.mw-test-implement-c { float: right; }'
 587                         }
 588                 );
 589
 590                 mw.loader.load( [
 591                         'test.implement.c'
 592                 ] );
 593         } );
 594
 595         // Backwards compatibility
 596         QUnit.asyncTest( 'mw.loader.implement( styles={ <media>: [url, ..] } ) (back-compat)', 4, function ( assert ) {
 597                 var $element = $( '<div class="mw-test-implement-d"></div>' ).appendTo( '#qunit-fixture' ),
 598                         $element2 = $( '<div class="mw-test-implement-d2"></div>' ).appendTo( '#qunit-fixture' );
 599
 600                 assert.notEqual(
 601                         $element.css( 'float' ),
 602                         'right',
 603                         'style is clear'
 604                 );
 605                 assert.notEqual(
 606                         $element2.css( 'text-align' ),
 607                         'center',
 608                         'style is clear'
 609                 );
 610
 611                 mw.loader.implement(
 612                         'test.implement.d',
 613                         function () {
 614                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 615
 616                                         assert.notEqual( $element2.css( 'text-align' ), 'center', 'print style is not applied (bug 40500)' );
 617
 618                                         QUnit.start();
 619                                 } );
 620                         },
 621                         {
 622                                 'all': [urlStyleTest( '.mw-test-implement-d', 'float', 'right' )],
 623                                 'print': [urlStyleTest( '.mw-test-implement-d2', 'text-align', 'center' )]
 624                         }
 625                 );
 626
 627                 mw.loader.load( [
 628                         'test.implement.d'
 629                 ] );
 630         } );
 631
 632         // @import (bug 31676)
 633         QUnit.asyncTest( 'mw.loader.implement( styles has @import)', 5, function ( assert ) {
 634                 var isJsExecuted, $element;
 635
 636                 mw.loader.implement(
 637                         'test.implement.import',
 638                         function () {
 639                                 assert.strictEqual( isJsExecuted, undefined, 'javascript not executed multiple times' );
 640                                 isJsExecuted = true;
 641
 642                                 assert.equal( mw.loader.getState( 'test.implement.import' ), 'ready', 'module state is "ready" while implement() is executing javascript' );
 643
 644                                 $element = $( '<div class="mw-test-implement-import">Foo bar</div>' ).appendTo( '#qunit-fixture' );
 645
 646                                 assert.equal( mw.msg( 'test-foobar' ), 'Hello Foobar, $1!', 'Messages are loaded before javascript execution' );
 647
 648                                 assertStyleAsync( assert, $element, 'float', 'right', function () {
 649                                         assert.equal( $element.css( 'text-align' ), 'center',
 650                                                 'CSS styles after the @import rule are working'
 651                                         );
 652
 653                                         QUnit.start();
 654                                 } );
 655                         },
 656                         {
 657                                 'css': [
 658                                         '@import url(\''
 659                                                 + urlStyleTest( '.mw-test-implement-import', 'float', 'right' )
 660                                                 + '\');\n'
 661                                                 + '.mw-test-implement-import { text-align: center; }'
 662                                 ]
 663                         },
 664                         {
 665                                 'test-foobar': 'Hello Foobar, $1!'
 666                         }
 667                 );
 668
 669                 mw.loader.load( 'test.implement' );
 670
 671         } );
 672
 673         QUnit.asyncTest( 'mw.loader.implement( dependency with styles )', 4, function ( assert ) {
 674                 var $element = $( '<div class="mw-test-implement-e"></div>' ).appendTo( '#qunit-fixture' ),
 675                         $element2 = $( '<div class="mw-test-implement-e2"></div>' ).appendTo( '#qunit-fixture' );
 676
 677                 assert.notEqual(
 678                         $element.css( 'float' ),
 679                         'right',
 680                         'style is clear'
 681                 );
 682                 assert.notEqual(
 683                         $element2.css( 'float' ),
 684                         'left',
 685                         'style is clear'
 686                 );
 687
 688                 mw.loader.register( [
 689                         [ 'test.implement.e', '0', ['test.implement.e2']],
 690                         [ 'test.implement.e2', '0' ]
 691                 ] );
 692
 693                 mw.loader.implement(
 694                         'test.implement.e',
 695                         function () {
 696                                 assert.equal(
 697                                         $element.css( 'float' ),
 698                                         'right',
 699                                         'Depending module\'s style is applied'
 700                                 );
 701                                 QUnit.start();
 702                         },
 703                         {
 704                                 'all': '.mw-test-implement-e { float: right; }'
 705                         }
 706                 );
 707
 708                 mw.loader.implement(
 709                         'test.implement.e2',
 710                         function () {
 711                                 assert.equal(
 712                                         $element2.css( 'float' ),
 713                                         'left',
 714                                         'Dependency\'s style is applied'
 715                                 );
 716                         },
 717                         {
 718                                 'all': '.mw-test-implement-e2 { float: left; }'
 719                         }
 720                 );
 721
 722                 mw.loader.load( [
 723                         'test.implement.e'
 724                 ] );
 725         } );
 726
 727         QUnit.test( 'mw.loader.implement( only scripts )', 1, function ( assert ) {
 728                 mw.loader.implement( 'test.onlyscripts', function () {} );
 729                 assert.strictEqual( mw.loader.getState( 'test.onlyscripts' ), 'ready' );
 730         } );
 731
 732         QUnit.asyncTest( 'mw.loader.implement( only messages )', 2, function ( assert ) {
 733                 assert.assertFalse( mw.messages.exists( 'bug_29107' ), 'Verify that the test message doesn\'t exist yet' );
 734
 735                 mw.loader.implement( 'test.implement.msgs', [], {}, { 'bug_29107': 'loaded' } );
 736                 mw.loader.using( 'test.implement.msgs', function () {
 737                         QUnit.start();
 738                         assert.ok( mw.messages.exists( 'bug_29107' ), 'Bug 29107: messages-only module should implement ok' );
 739                 }, function () {
 740                         QUnit.start();
 741                         assert.ok( false, 'Error callback fired while implementing "test.implement.msgs" module' );
 742                 } );
 743         } );
 744
 745         QUnit.test( 'mw.loader erroneous indirect dependency', 4, function ( assert ) {
 746                 // don't emit an error event
 747                 this.sandbox.stub( mw, 'track' );
 748
 749                 mw.loader.register( [
 750                         ['test.module1', '0'],
 751                         ['test.module2', '0', ['test.module1']],
 752                         ['test.module3', '0', ['test.module2']]
 753                 ] );
 754                 mw.loader.implement( 'test.module1', function () {
 755                         throw new Error( 'expected' );
 756                 }, {}, {} );
 757                 assert.strictEqual( mw.loader.getState( 'test.module1' ), 'error', 'Expected "error" state for test.module1' );
 758                 assert.strictEqual( mw.loader.getState( 'test.module2' ), 'error', 'Expected "error" state for test.module2' );
 759                 assert.strictEqual( mw.loader.getState( 'test.module3' ), 'error', 'Expected "error" state for test.module3' );
 760
 761                 assert.strictEqual( mw.track.callCount, 1 );
 762         } );
 763
 764         QUnit.test( 'mw.loader out-of-order implementation', 9, function ( assert ) {
 765                 mw.loader.register( [
 766                         ['test.module4', '0'],
 767                         ['test.module5', '0', ['test.module4']],
 768                         ['test.module6', '0', ['test.module5']]
 769                 ] );
 770                 mw.loader.implement( 'test.module4', function () {} );
 771                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 772                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 773                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'registered', 'Expected "registered" state for test.module6' );
 774                 mw.loader.implement( 'test.module6', function () {} );
 775                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 776                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'registered', 'Expected "registered" state for test.module5' );
 777                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'loaded', 'Expected "loaded" state for test.module6' );
 778                 mw.loader.implement( 'test.module5', function () {} );
 779                 assert.strictEqual( mw.loader.getState( 'test.module4' ), 'ready', 'Expected "ready" state for test.module4' );
 780                 assert.strictEqual( mw.loader.getState( 'test.module5' ), 'ready', 'Expected "ready" state for test.module5' );
 781                 assert.strictEqual( mw.loader.getState( 'test.module6' ), 'ready', 'Expected "ready" state for test.module6' );
 782         } );
 783
 784         QUnit.test( 'mw.loader missing dependency', 13, function ( assert ) {
 785                 mw.loader.register( [
 786                         ['test.module7', '0'],
 787                         ['test.module8', '0', ['test.module7']],
 788                         ['test.module9', '0', ['test.module8']]
 789                 ] );
 790                 mw.loader.implement( 'test.module8', function () {} );
 791                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'registered', 'Expected "registered" state for test.module7' );
 792                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'loaded', 'Expected "loaded" state for test.module8' );
 793                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'registered', 'Expected "registered" state for test.module9' );
 794                 mw.loader.state( 'test.module7', 'missing' );
 795                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 796                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 797                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 798                 mw.loader.implement( 'test.module9', function () {} );
 799                 assert.strictEqual( mw.loader.getState( 'test.module7' ), 'missing', 'Expected "missing" state for test.module7' );
 800                 assert.strictEqual( mw.loader.getState( 'test.module8' ), 'error', 'Expected "error" state for test.module8' );
 801                 assert.strictEqual( mw.loader.getState( 'test.module9' ), 'error', 'Expected "error" state for test.module9' );
 802                 mw.loader.using(
 803                         ['test.module7'],
 804                         function () {
 805                                 assert.ok( false, 'Success fired despite missing dependency' );
 806                                 assert.ok( true, 'QUnit expected() count dummy' );
 807                         },
 808                         function ( e, dependencies ) {
 809                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 810                                 assert.deepEqual( dependencies, ['test.module7'], 'Error callback called with module test.module7' );
 811                         }
 812                 );
 813                 mw.loader.using(
 814                         ['test.module9'],
 815                         function () {
 816                                 assert.ok( false, 'Success fired despite missing dependency' );
 817                                 assert.ok( true, 'QUnit expected() count dummy' );
 818                         },
 819                         function ( e, dependencies ) {
 820                                 assert.strictEqual( $.isArray( dependencies ), true, 'Expected array of dependencies' );
 821                                 dependencies.sort();
 822                                 assert.deepEqual(
 823                                         dependencies,
 824                                         ['test.module7', 'test.module8', 'test.module9'],
 825                                         'Error callback called with all three modules as dependencies'
 826                                 );
 827                         }
 828                 );
 829         } );
 830
 831         QUnit.asyncTest( 'mw.loader dependency handling', 5, function ( assert ) {
 832                 mw.loader.register( [
 833                         // [module, version, dependencies, group, source]
 834                         ['testMissing', '1', [], null, 'testloader'],
 835                         ['testUsesMissing', '1', ['testMissing'], null, 'testloader'],
 836                         ['testUsesNestedMissing', '1', ['testUsesMissing'], null, 'testloader']
 837                 ] );
 838
 839                 function verifyModuleStates() {
 840                         assert.equal( mw.loader.getState( 'testMissing' ), 'missing', 'Module not known to server must have state "missing"' );
 841                         assert.equal( mw.loader.getState( 'testUsesMissing' ), 'error', 'Module with missing dependency must have state "error"' );
 842                         assert.equal( mw.loader.getState( 'testUsesNestedMissing' ), 'error', 'Module with indirect missing dependency must have state "error"' );
 843                 }
 844
 845                 mw.loader.using( ['testUsesNestedMissing'],
 846                         function () {
 847                                 assert.ok( false, 'Error handler should be invoked.' );
 848                                 assert.ok( true ); // Dummy to reach QUnit expect()
 849
 850                                 verifyModuleStates();
 851
 852                                 QUnit.start();
 853                         },
 854                         function ( e, badmodules ) {
 855                                 assert.ok( true, 'Error handler should be invoked.' );
 856                                 // As soon as server spits out state('testMissing', 'missing');
 857                                 // it will bubble up and trigger the error callback.
 858                                 // Therefor the badmodules array is not testUsesMissing or testUsesNestedMissing.
 859                                 assert.deepEqual( badmodules, ['testMissing'], 'Bad modules as expected.' );
 860
 861                                 verifyModuleStates();
 862
 863                                 QUnit.start();
 864                         }
 865                 );
 866         } );
 867
 868         QUnit.asyncTest( 'mw.loader skin-function handling', 5, function ( assert ) {
 869                 mw.loader.register( [
 870                         // [module, version, dependencies, group, source, skip]
 871                         ['testSkipped', '1', [], null, 'testloader', 'return true;'],
 872                         ['testNotSkipped', '1', [], null, 'testloader', 'return false;'],
 873                         ['testUsesSkippable', '1', ['testSkipped', 'testNotSkipped'], null, 'testloader']
 874                 ] );
 875
 876                 function verifyModuleStates() {
 877                         assert.equal( mw.loader.getState( 'testSkipped' ), 'ready', 'Module is ready when skipped' );
 878                         assert.equal( mw.loader.getState( 'testNotSkipped' ), 'ready', 'Module is ready when not skipped but loaded' );
 879                         assert.equal( mw.loader.getState( 'testUsesSkippable' ), 'ready', 'Module is ready when skippable dependencies are ready' );
 880                 }
 881
 882                 mw.loader.using( ['testUsesSkippable'],
 883                         function () {
 884                                 assert.ok( true, 'Success handler should be invoked.' );
 885                                 assert.ok( true ); // Dummy to match error handler and reach QUnit expect()
 886
 887                                 verifyModuleStates();
 888
 889                                 QUnit.start();
 890                         },
 891                         function ( e, badmodules ) {
 892                                 assert.ok( false, 'Error handler should not be invoked.' );
 893                                 assert.deepEqual( badmodules, [], 'Bad modules as expected.' );
 894
 895                                 verifyModuleStates();
 896
 897                                 QUnit.start();
 898                         }
 899                 );
 900         } );
 901
 902         QUnit.asyncTest( 'mw.loader( "//protocol-relative" ) (bug 30825)', 2, function ( assert ) {
 903                 // This bug was actually already fixed in 1.18 and later when discovered in 1.17.
 904                 // Test is for regressions!
 905
 906                 // Forge an URL to the test callback script
 907                 var target = QUnit.fixurl(
 908                         mw.config.get( 'wgServer' ) + mw.config.get( 'wgScriptPath' ) + '/tests/qunit/data/qunitOkCall.js'
 909                 );
 910
 911                 // Confirm that mw.loader.load() works with protocol-relative URLs
 912                 target = target.replace( /https?:/, '' );
 913
 914                 assert.equal( target.slice( 0, 2 ), '//',
 915                         'URL must be relative to test relative URLs!'
 916                 );
 917
 918                 // Async!
 919                 // The target calls QUnit.start
 920                 mw.loader.load( target );
 921         } );
 922
 923         QUnit.test( 'mw.html', 13, function ( assert ) {
 924                 assert.throws( function () {
 925                         mw.html.escape();
 926                 }, TypeError, 'html.escape throws a TypeError if argument given is not a string' );
 927
 928                 assert.equal( mw.html.escape( '<mw awesome="awesome" value=\'test\' />' ),
 929                         '&lt;mw awesome=&quot;awesome&quot; value=&#039;test&#039; /&gt;', 'escape() escapes special characters to html entities' );
 930
 931                 assert.equal( mw.html.element(),
 932                         '<undefined/>', 'element() always returns a valid html string (even without arguments)' );
 933
 934                 assert.equal( mw.html.element( 'div' ), '<div/>', 'element() Plain DIV (simple)' );
 935
 936                 assert.equal( mw.html.element( 'div', {}, '' ), '<div></div>', 'element() Basic DIV (simple)' );
 937
 938                 assert.equal(
 939                         mw.html.element(
 940                                 'div', {
 941                                         id: 'foobar'
 942                                 }
 943                         ),
 944                         '<div id="foobar"/>',
 945                         'html.element DIV (attribs)' );
 946
 947                 assert.equal( mw.html.element( 'p', null, 12 ), '<p>12</p>', 'Numbers are valid content and should be casted to a string' );
 948
 949                 assert.equal( mw.html.element( 'p', { title: 12 }, '' ), '<p title="12"></p>', 'Numbers are valid attribute values' );
 950
 951                 // Example from https://www.mediawiki.org/wiki/ResourceLoader/Default_modules#mediaWiki.html
 952                 assert.equal(
 953                         mw.html.element(
 954                                 'div',
 955                                 {},
 956                                 new mw.html.Raw(
 957                                         mw.html.element( 'img', { src: '<' } )
 958                                 )
 959                         ),
 960                         '<div><img src="&lt;"/></div>',
 961                         'Raw inclusion of another element'
 962                 );
 963
 964                 assert.equal(
 965                         mw.html.element(
 966                                 'option', {
 967                                         selected: true
 968                                 }, 'Foo'
 969                         ),
 970                         '<option selected="selected">Foo</option>',
 971                         'Attributes may have boolean values. True copies the attribute name to the value.'
 972                 );
 973
 974                 assert.equal(
 975                         mw.html.element(
 976                                 'option', {
 977                                         value: 'foo',
 978                                         selected: false
 979                                 }, 'Foo'
 980                         ),
 981                         '<option value="foo">Foo</option>',
 982                         'Attributes may have boolean values. False keeps the attribute from output.'
 983                 );
 984
 985                 assert.equal( mw.html.element( 'div',
 986                         null, 'a' ),
 987                         '<div>a</div>',
 988                         'html.element DIV (content)' );
 989
 990                 assert.equal( mw.html.element( 'a',
 991                         { href: 'http://mediawiki.org/w/index.php?title=RL&action=history' }, 'a' ),
 992                         '<a href="http://mediawiki.org/w/index.php?title=RL&amp;action=history">a</a>',
 993                         'html.element DIV (attribs + content)' );
 994
 995         } );
 996
 997         QUnit.test( 'mw.hook', 13, function ( assert ) {
 998                 var hook, add, fire, chars, callback;
 999
1000                 mw.hook( 'test.hook.unfired' ).add( function () {
1001                         assert.ok( false, 'Unfired hook' );
1002                 } );
1003
1004                 mw.hook( 'test.hook.basic' ).add( function () {
1005                         assert.ok( true, 'Basic callback' );
1006                 } );
1007                 mw.hook( 'test.hook.basic' ).fire();
1008
1009                 mw.hook( 'hasOwnProperty' ).add( function () {
1010                         assert.ok( true, 'hook with name of predefined method' );
1011                 } );
1012                 mw.hook( 'hasOwnProperty' ).fire();
1013
1014                 mw.hook( 'test.hook.data' ).add( function ( data1, data2 ) {
1015                         assert.equal( data1, 'example', 'Fire with data (string param)' );
1016                         assert.deepEqual( data2, ['two'], 'Fire with data (array param)' );
1017                 } );
1018                 mw.hook( 'test.hook.data' ).fire( 'example', ['two'] );
1019
1020                 hook = mw.hook( 'test.hook.chainable' );
1021                 assert.strictEqual( hook.add(), hook, 'hook.add is chainable' );
1022                 assert.strictEqual( hook.remove(), hook, 'hook.remove is chainable' );
1023                 assert.strictEqual( hook.fire(), hook, 'hook.fire is chainable' );
1024
1025                 hook = mw.hook( 'test.hook.detach' );
1026                 add = hook.add;
1027                 fire = hook.fire;
1028                 add( function ( x, y ) {
1029                         assert.deepEqual( [x, y], ['x', 'y'], 'Detached (contextless) with data' );
1030                 } );
1031                 fire( 'x', 'y' );
1032
1033                 mw.hook( 'test.hook.fireBefore' ).fire().add( function () {
1034                         assert.ok( true, 'Invoke handler right away if it was fired before' );
1035                 } );
1036
1037                 mw.hook( 'test.hook.fireTwiceBefore' ).fire().fire().add( function () {
1038                         assert.ok( true, 'Invoke handler right away if it was fired before (only last one)' );
1039                 } );
1040
1041                 chars = [];
1042
1043                 mw.hook( 'test.hook.many' )
1044                         .add( function ( chr ) {
1045                                 chars.push( chr );
1046                         } )
1047                         .fire( 'x' ).fire( 'y' ).fire( 'z' )
1048                         .add( function ( chr ) {
1049                                 assert.equal( chr, 'z', 'Adding callback later invokes right away with last data' );
1050                         } );
1051
1052                 assert.deepEqual( chars, ['x', 'y', 'z'], 'Multiple callbacks with multiple fires' );
1053
1054                 chars = [];
1055                 callback = function ( chr ) {
1056                         chars.push( chr );
1057                 };
1058
1059                 mw.hook( 'test.hook.variadic' )
1060                         .add(
1061                                 callback,
1062                                 callback,
1063                                 function ( chr ) {
1064                                         chars.push( chr );
1065                                 },
1066                                 callback
1067                         )
1068                         .fire( 'x' )
1069                         .remove(
1070                                 function () {
1071                                         'not-added';
1072                                 },
1073                                 callback
1074                         )
1075                         .fire( 'y' )
1076                         .remove( callback )
1077                         .fire( 'z' );
1078
1079                 assert.deepEqual(
1080                         chars,
1081                         ['x', 'x', 'x', 'x', 'y', 'z'],
1082                         '"add" and "remove" support variadic arguments. ' +
1083                                 '"add" does not filter unique. ' +
1084                                 '"remove" removes all equal by reference. ' +
1085                                 '"remove" is silent if the function is not found'
1086                 );
1087         } );
1088
1089 }( mediaWiki, jQuery ) );