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 [$1 bar]'
  32                 }
  33         } ) );
  34
  35         QUnit.test( 'Initial check', 8, function ( assert ) {
  36                 assert.ok( window.jQuery, 'jQuery defined' );
  37                 assert.ok( window.$, '$ defined' );
  38                 assert.strictEqual( window.$, window.jQuery, '$ alias to jQuery' );
  39
  40                 this.suppressWarnings();
  41                 assert.ok( window.$j, '$j defined' );
  42                 assert.strictEqual( window.$j, window.jQuery, '$j alias to jQuery' );
  43                 this.restoreWarnings();
  44
  45                 // window.mw and window.mediaWiki are not deprecated, but for some reason
  46                 // PhantomJS is triggerring the accessors on all mw.* properties in this test,
  47                 // and with that lots of unrelated deprecation notices.
  48                 this.suppressWarnings();
  49                 assert.ok( window.mediaWiki, 'mediaWiki defined' );
  50                 assert.ok( window.mw, 'mw defined' );
  51                 assert.strictEqual( window.mw, window.mediaWiki, 'mw alias to mediaWiki' );
  52                 this.restoreWarnings();
  53         } );
  54
  55         QUnit.test( 'mw.format', 2, function ( assert ) {
  56                 assert.equal(
  57                         mw.format( 'Format $1 $2', 'foo', 'bar' ),
  58                         'Format foo bar',
  59                         'Simple parameters'
  60                 );
  61                 assert.equal(
  62                         mw.format( 'Format $1 $2' ),
  63                         'Format $1 $2',
  64                         'Missing parameters'
  65                 );
  66         } );
  67
  68         QUnit.test( 'mw.Map', 35, function ( assert ) {
  69                 var arry, conf, funky, globalConf, nummy, someValues;
  70
  71                 conf = new mw.Map();
  72                 // Dummy variables
  73                 funky = function () {};
  74                 arry = [];
  75                 nummy = 7;
  76
  77                 // Single get and set
  78
  79                 assert.strictEqual( conf.set( 'foo', 'Bar' ), true, 'Map.set returns boolean true if a value was set for a valid key string' );
  80                 assert.equal( conf.get( 'foo' ), 'Bar', 'Map.get returns a single value value correctly' );
  81
  82                 assert.strictEqual( conf.get( 'example' ), null, 'Map.get returns null if selection was a string and the key was not found' );
  83                 assert.strictEqual( conf.get( 'example', arry ), arry, 'Map.get returns fallback by reference if the key was not found' );
  84                 assert.strictEqual( conf.get( 'example', undefined ), undefined, 'Map.get supports `undefined` as fallback instead of `null`' );
  85
  86                 assert.strictEqual( conf.get( 'constructor' ), null, 'Map.get does not look at Object.prototype of internal storage (constructor)' );
  87                 assert.strictEqual( conf.get( 'hasOwnProperty' ), null, 'Map.get does not look at Object.prototype of internal storage (hasOwnProperty)' );
  88
  89                 conf.set( 'hasOwnProperty', function () { return true; } );
  90                 assert.strictEqual( conf.get( 'example', 'missing' ), 'missing', 'Map.get uses neutral hasOwnProperty method (positive)' );
  91
  92                 conf.set( 'example', 'Foo' );
  93                 conf.set( 'hasOwnProperty', function () { return false; } );
  94                 assert.strictEqual( conf.get( 'example' ), 'Foo', 'Map.get uses neutral hasOwnProperty method (negative)' );
  95
  96                 assert.strictEqual( conf.set( 'constructor', 42 ), true, 'Map.set for key "constructor"' );
  97                 assert.strictEqual( conf.get( 'constructor' ), 42, 'Map.get for key "constructor"' );
  98
  99                 assert.strictEqual( conf.set( 'undef' ), false, 'Map.set requires explicit value (no undefined default)' );
 100
 101                 assert.strictEqual( conf.set( 'undef', undefined ), true, 'Map.set allows setting value to `undefined`' );
 102                 assert.equal( conf.get( 'undef', 'fallback' ), undefined, 'Map.get supports retreiving value of `undefined`' );
 103
 104                 assert.strictEqual( conf.set( funky, 'Funky' ), false, 'Map.set returns boolean false if key was invalid (Function)' );
 105                 assert.strictEqual( conf.set( arry, 'Arry' ), false, 'Map.set returns boolean false if key was invalid (Array)' );
 106                 assert.strictEqual( conf.set( nummy, 'Nummy' ), false, 'Map.set returns boolean false if key was invalid (Number)' );
 107
 108                 assert.strictEqual( conf.get( funky ), null, 'Map.get ruturns null if selection was invalid (Function)' );
 109                 assert.strictEqual( conf.get( nummy ), null, 'Map.get ruturns null if selection was invalid (Number)' );
 110
 111                 conf.set( String( nummy ), 'I used to be a number' );
 112
 113                 assert.strictEqual( conf.exists( 'doesNotExist' ), false, 'Map.exists where property does not exist' );
 114                 assert.strictEqual( conf.exists( 'undef' ), true, 'Map.exists where value is `undefined`' );
 115                 assert.strictEqual( conf.exists( nummy ), false, 'Map.exists where key is invalid but looks like an existing key' );
 116
 117                 // Multiple values at once
 118                 someValues = {
 119                         foo: 'bar',
 120                         lorem: 'ipsum',
 121                         MediaWiki: true
 122                 };
 123                 assert.strictEqual( conf.set( someValues ), true, 'Map.set returns boolean true if multiple values were set by passing an object' );
 124                 assert.deepEqual( conf.get( [ 'foo', 'lorem' ] ), {
 125                         foo: 'bar',
 126                         lorem: 'ipsum'
 127                 }, 'Map.get returns multiple values correctly as an object' );
 128
 129                 assert.deepEqual( conf, new mw.Map( conf.values ), 'new mw.Map maps over existing values-bearing object' );
 130
 131                 assert.deepEqual( conf.get( [ 'foo', 'notExist' ] ), {
 132                         foo: 'bar',
 133                         notExist: null
 134                 }, 'Map.get return includes keys that were not found as null values' );
 135
 136                 // Interacting with globals and accessing the values object
 137                 assert.strictEqual( conf.get(), conf.values, 'Map.get returns the entire values object by reference (if called without arguments)' );
 138
 139                 conf.set( 'globalMapChecker', 'Hi' );
 140
 141                 assert.ok( ( 'globalMapChecker' in window ) === false, 'Map does not its store values in the window object by default' );
 142
 143                 globalConf = new mw.Map( true );
 144                 globalConf.set( 'anotherGlobalMapChecker', 'Hello' );
 145
 146                 assert.ok( 'anotherGlobalMapChecker' in window, 'global Map stores its values in the window object' );
 147
 148                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Hello', 'get value from global Map via get()' );
 149                 this.suppressWarnings();
 150                 assert.equal( window.anotherGlobalMapChecker, 'Hello', 'get value from global Map via window object' );
 151                 this.restoreWarnings();
 152
 153                 // Change value via global Map
 154                 globalConf.set( 'anotherGlobalMapChecker', 'Again' );
 155                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Again', 'Change in global Map reflected via get()' );
 156                 this.suppressWarnings();
 157                 assert.equal( window.anotherGlobalMapChecker, 'Again', 'Change in global Map reflected window object' );
 158                 this.restoreWarnings();
 159
 160                 // Change value via window object
 161                 this.suppressWarnings();
 162                 window.anotherGlobalMapChecker = 'World';
 163                 assert.equal( window.anotherGlobalMapChecker, 'World', 'Change in window object works' );
 164                 this.restoreWarnings();
 165                 assert.equal( globalConf.get( 'anotherGlobalMapChecker' ), 'Again', 'Change in window object not reflected in global Map' );
 166
 167                 // Whitelist this global variable for QUnit's 'noglobal' mode
 168                 if ( QUnit.config.noglobals ) {
 169                         QUnit.config.pollution.push( 'anotherGlobalMapChecker' );
 170                 }
 171         } );
 172
 173         QUnit.test( 'mw.config', 1, function ( assert ) {
 174                 assert.ok( mw.config instanceof mw.Map, 'mw.config instance of mw.Map' );
 175         } );
 176
 177         QUnit.test( 'mw.message & mw.messages', 100, function ( assert ) {
 178                 var goodbye, hello;
 179
 180                 // Convenience method for asserting the same result for multiple formats
 181                 function assertMultipleFormats( messageArguments, formats, expectedResult, assertMessage ) {
 182                         var format, i,
 183                                 len = formats.length;
 184
 185                         for ( i = 0; i < len; i++ ) {
 186                                 format = formats[ i ];
 187                                 assert.equal( mw.message.apply( null, messageArguments )[ format ](), expectedResult, assertMessage + ' when format is ' + format );
 188                         }
 189                 }
 190
 191                 assert.ok( mw.messages, 'messages defined' );
 192                 assert.ok( mw.messages instanceof mw.Map, 'mw.messages instance of mw.Map' );
 193                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 194
 195                 hello = mw.message( 'hello' );
 196
 197                 // https://phabricator.wikimedia.org/T46459
 198                 assert.equal( hello.format, 'text', 'Message property "format" defaults to "text"' );
 199
 200                 assert.strictEqual( hello.map, mw.messages, 'Message property "map" defaults to the global instance in mw.messages' );
 201                 assert.equal( hello.key, 'hello', 'Message property "key" (currect key)' );
 202                 assert.deepEqual( hello.parameters, [], 'Message property "parameters" defaults to an empty array' );
 203
 204                 // TODO
 205                 assert.ok( hello.params, 'Message prototype "params"' );
 206
 207                 hello.format = 'plain';
 208                 assert.equal( hello.toString(), 'Hello <b>awesome</b> world', 'Message.toString returns the message as a string with the current "format"' );
 209
 210                 assert.equal( hello.escaped(), 'Hello &lt;b&gt;awesome&lt;/b&gt; world', 'Message.escaped returns the escaped message' );
 211                 assert.equal( hello.format, 'escaped', 'Message.escaped correctly updated the "format" property' );
 212
 213                 assert.ok( mw.messages.set( 'multiple-curly-brace', '"{{SITENAME}}" is the home of {{int:other-message}}' ), 'mw.messages.set: Register' );
 214                 assertMultipleFormats( [ 'multiple-curly-brace' ], [ 'text', 'parse' ], '"' + siteName + '" is the home of Other Message', 'Curly brace format works correctly' );
 215                 assert.equal( mw.message( 'multiple-curly-brace' ).plain(), mw.messages.get( 'multiple-curly-brace' ), 'Plain format works correctly for curly brace message' );
 216                 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' );
 217
 218                 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' );
 219                 assertMultipleFormats( [ 'multiple-square-brackets-and-ampersand' ], [ 'plain', 'text' ], mw.messages.get( 'multiple-square-brackets-and-ampersand' ), 'Square bracket message is not processed' );
 220                 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' );
 221                 assert.htmlEqual( mw.message( 'multiple-square-brackets-and-ampersand' ).parse(), 'Visit the ' +
 222                         '<a title="Project:Community portal" href="/wiki/Project:Community_portal">community portal</a>' +
 223                         ' &amp; <a title="Project:Help desk" href="/wiki/Project:Help_desk">help desk</a>', 'Internal links work with parse' );
 224
 225                 assertMultipleFormats( [ 'mediawiki-test-version-entrypoints-index-php' ], [ 'plain', 'text', 'escaped' ], mw.messages.get( 'mediawiki-test-version-entrypoints-index-php' ), 'External link markup is unprocessed' );
 226                 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' );
 227
 228                 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' );
 229                 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' );
 230                 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' );
 231
 232                 hello.parse();
 233                 assert.equal( hello.format, 'parse', 'Message.parse correctly updated the "format" property' );
 234
 235                 hello.plain();
 236                 assert.equal( hello.format, 'plain', 'Message.plain correctly updated the "format" property' );
 237
 238                 hello.text();
 239                 assert.equal( hello.format, 'text', 'Message.text correctly updated the "format" property' );
 240
 241                 assert.strictEqual( hello.exists(), true, 'Message.exists returns true for existing messages' );
 242
 243                 goodbye = mw.message( 'goodbye' );
 244                 assert.strictEqual( goodbye.exists(), false, 'Message.exists returns false for nonexistent messages' );
 245
 246                 assertMultipleFormats( [ 'goodbye' ], [ 'plain', 'text' ], '<goodbye>', 'Message.toString returns <key> if key does not exist' );
 247                 // bug 30684
 248                 assertMultipleFormats( [ 'goodbye' ], [ 'parse', 'escaped' ], '&lt;goodbye&gt;', 'Message.toString returns properly escaped &lt;key&gt; if key does not exist' );
 249
 250                 assert.ok( mw.messages.set( 'plural-test-msg', 'There {{PLURAL:$1|is|are}} $1 {{PLURAL:$1|result|results}}' ), 'mw.messages.set: Register' );
 251                 assertMultipleFormats( [ 'plural-test-msg', 6 ], [ 'text', 'parse', 'escaped' ], 'There are 6 results', 'plural get resolved' );
 252                 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' );
 253
 254                 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' );
 255                 assertMultipleFormats( [ 'plural-test-msg-explicit', 12 ], [ 'text', 'parse', 'escaped' ], 'There are a dozen cars', 'explicit plural get resolved' );
 256
 257                 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' );
 258                 assertMultipleFormats( [ 'plural-test-msg-explicit-beginning', 1 ], [ 'text', 'parse', 'escaped' ], 'Basket has one egg', 'explicit plural given at beginning get resolved for singular' );
 259                 assertMultipleFormats( [ 'plural-test-msg-explicit-beginning', 4 ], [ 'text', 'parse', 'escaped' ], 'Basket has 4 eggs', 'explicit plural given at beginning get resolved for plural' );
 260                 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' );
 261                 assertMultipleFormats( [ 'plural-test-msg-explicit-beginning', 0 ], [ 'text', 'parse', 'escaped' ], 'Basket has no eggs', 'explicit plural given at beginning get resolved for 0' );
 262
 263                 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' );
 264
 265                 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' );
 266
 267                 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' );
 268
 269                 assert.ok( mw.messages.set( 'mediawiki-test-categorytree-collapse-bullet', '[<b>−</b>]' ), 'mw.messages.set: Register' );
 270                 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' );
 271
 272                 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' );
 273                 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' );
 274
 275                 assertMultipleFormats( [ 'gender-plural-msg', 'male', 1 ], [ 'text', 'parse', 'escaped' ], 'he is awesome', 'Gender and plural are resolved' );
 276                 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' );
 277
 278                 assert.equal( mw.message( 'grammar-msg' ).plain(), mw.messages.get( 'grammar-msg' ), 'Grammar is not resolved in plain mode' );
 279                 assertMultipleFormats( [ 'grammar-msg' ], [ 'text', 'parse' ], 'Przeszukaj ' + siteName, 'Grammar is resolved' );
 280                 assert.equal( mw.message( 'grammar-msg' ).escaped(), 'Przeszukaj ' + siteName, 'Grammar is resolved in escaped mode' );
 281
 282                 assertMultipleFormats( [ 'formatnum-msg', '987654321.654321' ], [ 'text', 'parse', 'escaped' ], '987,654,321.654', 'formatnum is resolved' );
 283                 assert.equal( mw.message( 'formatnum-msg' ).plain(), mw.messages.get( 'formatnum-msg' ), 'formatnum is not resolved in plain mode' );
 284
 285                 assertMultipleFormats( [ 'int-msg' ], [ 'text', 'parse', 'escaped' ], 'Some Other Message', 'int is resolved' );
 286                 assert.equal( mw.message( 'int-msg' ).plain(), mw.messages.get( 'int-msg' ), 'int is not resolved in plain mode' );
 287
 288                 assert.ok( mw.messages.set( 'mediawiki-italics-msg', '<i>Very</i> important' ), 'mw.messages.set: Register' );
 289                 assertMultipleFormats( [ 'mediawiki-italics-msg' ], [ 'plain', 'text', 'parse' ], mw.messages.get( 'mediawiki-italics-msg' ), 'Simple italics unchanged' );
 290                 assert.htmlEqual(
 291                         mw.message( 'mediawiki-italics-msg' ).escaped(),
 292                         '&lt;i&gt;Very&lt;/i&gt; important',
 293                         'Italics are escaped in escaped mode'
 294                 );
 295
 296                 assert.ok( mw.messages.set( 'mediawiki-italics-with-link', 'An <i>italicized [[link|wiki-link]]</i>' ), 'mw.messages.set: Register' );
 297                 assertMultipleFormats( [ 'mediawiki-italics-with-link' ], [ 'plain', 'text' ], mw.messages.get( 'mediawiki-italics-with-link' ), 'Italics with link unchanged' );
 298                 assert.htmlEqual(
 299                         mw.message( 'mediawiki-italics-with-link' ).escaped(),
 300                         'An &lt;i&gt;italicized [[link|wiki-link]]&lt;/i&gt;',
 301                         'Italics and link unchanged except for escaping in escaped mode'
 302                 );
 303                 assert.htmlEqual(
 304                         mw.message( 'mediawiki-italics-with-link' ).parse(),
 305                         'An <i>italicized <a title="link" href="' + mw.util.getUrl( 'link' ) + '">wiki-link</i>',
 306                         'Italics with link inside in parse mode'
 307                 );
 308
 309                 assert.ok( mw.messages.set( 'mediawiki-script-msg', '<script  >alert( "Who put this script here?" );</script>' ), 'mw.messages.set: Register' );
 310                 assertMultipleFormats( [ 'mediawiki-script-msg' ], [ 'plain', 'text' ], mw.messages.get( 'mediawiki-script-msg' ), 'Script unchanged' );
 311                 assert.htmlEqual(
 312                         mw.message( 'mediawiki-script-msg' ).escaped(),
 313                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 314                         'Script escaped when using escaped format'
 315                 );
 316                 assert.htmlEqual(
 317                         mw.message( 'mediawiki-script-msg' ).parse(),
 318                         '&lt;script  &gt;alert( "Who put this script here?" );&lt;/script&gt;',
 319                         'Script escaped when using parse format'
 320                 );
 321
 322         } );
 323
 324         QUnit.test( 'mw.msg', 14, function ( assert ) {
 325                 assert.ok( mw.messages.set( 'hello', 'Hello <b>awesome</b> world' ), 'mw.messages.set: Register' );
 326                 assert.equal( mw.msg( 'hello' ), 'Hello <b>awesome</b> world', 'Gets message with default options (existing message)' );
 327                 assert.equal( mw.msg( 'goodbye' ), '<goodbye>', 'Gets message with default options (nonexistent message)' );
 328
 329                 assert.ok( mw.messages.set( 'plural-item', 'Found $1 {{PLURAL:$1|item|items}}' ), 'mw.messages.set: Register' );
 330                 assert.equal( mw.msg( 'plural-item', 5 ), 'Found 5 items', 'Apply plural for count 5' );
 331                 assert.equal( mw.msg( 'plural-item', 0 ), 'Found 0 items', 'Apply plural for count 0' );
 332                 assert.equal( mw.msg( 'plural-item', 1 ), 'Found 1 item', 'Apply plural for count 1' );
 333
 334                 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' );
 335
 336                 assert.equal( mw.msg( 'gender-plural-msg', 'male', 1 ), 'he is awesome', 'Gender test for male, plural count 1' );
 337                 assert.equal( mw.msg( 'gender-plural-msg', 'female', '1' ), 'she is awesome', 'Gender test for female, plural count 1' );
 338                 assert.equal( mw.msg( 'gender-plural-msg', 'unknown', 10 ), 'they are awesome', 'Gender test for neutral, plural count 10' );
 339
 340                 assert.equal( mw.msg( 'grammar-msg' ), 'Przeszukaj ' + siteName, 'Grammar is resolved' );
 341
 342                 assert.equal( mw.msg( 'formatnum-msg', '987654321.654321' ), '987,654,321.654', 'formatnum is resolved' );
 343
 344                 assert.equal( mw.msg( 'int-msg' ), 'Some Other Message', 'int is resolved' );
 345         } );
 346
 347         QUnit.test( 'mw.hook', 13, function ( assert ) {
 348                 var hook, add, fire, chars, callback;
 349
 350                 mw.hook( 'test.hook.unfired' ).add( function () {
 351                         assert.ok( false, 'Unfired hook' );
 352                 } );
 353
 354                 mw.hook( 'test.hook.basic' ).add( function () {
 355                         assert.ok( true, 'Basic callback' );
 356                 } );
 357                 mw.hook( 'test.hook.basic' ).fire();
 358
 359                 mw.hook( 'hasOwnProperty' ).add( function () {
 360                         assert.ok( true, 'hook with name of predefined method' );
 361                 } );
 362                 mw.hook( 'hasOwnProperty' ).fire();
 363
 364                 mw.hook( 'test.hook.data' ).add( function ( data1, data2 ) {
 365                         assert.equal( data1, 'example', 'Fire with data (string param)' );
 366                         assert.deepEqual( data2, [ 'two' ], 'Fire with data (array param)' );
 367                 } );
 368                 mw.hook( 'test.hook.data' ).fire( 'example', [ 'two' ] );
 369
 370                 hook = mw.hook( 'test.hook.chainable' );
 371                 assert.strictEqual( hook.add(), hook, 'hook.add is chainable' );
 372                 assert.strictEqual( hook.remove(), hook, 'hook.remove is chainable' );
 373                 assert.strictEqual( hook.fire(), hook, 'hook.fire is chainable' );
 374
 375                 hook = mw.hook( 'test.hook.detach' );
 376                 add = hook.add;
 377                 fire = hook.fire;
 378                 add( function ( x, y ) {
 379                         assert.deepEqual( [ x, y ], [ 'x', 'y' ], 'Detached (contextless) with data' );
 380                 } );
 381                 fire( 'x', 'y' );
 382
 383                 mw.hook( 'test.hook.fireBefore' ).fire().add( function () {
 384                         assert.ok( true, 'Invoke handler right away if it was fired before' );
 385                 } );
 386
 387                 mw.hook( 'test.hook.fireTwiceBefore' ).fire().fire().add( function () {
 388                         assert.ok( true, 'Invoke handler right away if it was fired before (only last one)' );
 389                 } );
 390
 391                 chars = [];
 392
 393                 mw.hook( 'test.hook.many' )
 394                         .add( function ( chr ) {
 395                                 chars.push( chr );
 396                         } )
 397                         .fire( 'x' ).fire( 'y' ).fire( 'z' )
 398                         .add( function ( chr ) {
 399                                 assert.equal( chr, 'z', 'Adding callback later invokes right away with last data' );
 400                         } );
 401
 402                 assert.deepEqual( chars, [ 'x', 'y', 'z' ], 'Multiple callbacks with multiple fires' );
 403
 404                 chars = [];
 405                 callback = function ( chr ) {
 406                         chars.push( chr );
 407                 };
 408
 409                 mw.hook( 'test.hook.variadic' )
 410                         .add(
 411                                 callback,
 412                                 callback,
 413                                 function ( chr ) {
 414                                         chars.push( chr );
 415                                 },
 416                                 callback
 417                         )
 418                         .fire( 'x' )
 419                         .remove(
 420                                 function () {
 421                                         'not-added';
 422                                 },
 423                                 callback
 424                         )
 425                         .fire( 'y' )
 426                         .remove( callback )
 427                         .fire( 'z' );
 428
 429                 assert.deepEqual(
 430                         chars,
 431                         [ 'x', 'x', 'x', 'x', 'y', 'z' ],
 432                         '"add" and "remove" support variadic arguments. ' +
 433                                 '"add" does not filter unique. ' +
 434                                 '"remove" removes all equal by reference. ' +
 435                                 '"remove" is silent if the function is not found'
 436                 );
 437         } );
 438
 439 }( mediaWiki ) );