tests/phpunit/includes/HtmlTest.php

   1 <?php
   2
   3 class HtmlTest extends MediaWikiTestCase {
   4         private $restoreWarnings;
   5
   6         protected function setUp() {
   7                 parent::setUp();
   8
   9                 $this->setMwGlobals( [
  10                         'wgUseMediaWikiUIEverywhere' => false,
  11                 ] );
  12
  13                 $langObj = Language::factory( 'en' );
  14
  15                 // Hardcode namespaces during test runs,
  16                 // so that html output based on existing namespaces
  17                 // can be properly evaluated.
  18                 $langObj->setNamespaces( [
  19                         -2 => 'Media',
  20                         -1 => 'Special',
  21                         0 => '',
  22                         1 => 'Talk',
  23                         2 => 'User',
  24                         3 => 'User_talk',
  25                         4 => 'MyWiki',
  26                         5 => 'MyWiki_Talk',
  27                         6 => 'File',
  28                         7 => 'File_talk',
  29                         8 => 'MediaWiki',
  30                         9 => 'MediaWiki_talk',
  31                         10 => 'Template',
  32                         11 => 'Template_talk',
  33                         14 => 'Category',
  34                         15 => 'Category_talk',
  35                         100 => 'Custom',
  36                         101 => 'Custom_talk',
  37                 ] );
  38                 $this->setUserLang( $langObj );
  39                 $this->setContentLang( $langObj );
  40                 $this->restoreWarnings = false;
  41         }
  42
  43         protected function tearDown() {
  44                 Language::factory( 'en' )->resetNamespaces();
  45
  46                 if ( $this->restoreWarnings ) {
  47                         $this->restoreWarnings = false;
  48                         Wikimedia\restoreWarnings();
  49                 }
  50
  51                 parent::tearDown();
  52         }
  53
  54         /**
  55          * @covers Html::element
  56          * @covers Html::rawElement
  57          * @covers Html::openElement
  58          * @covers Html::closeElement
  59          */
  60         public function testElementBasics() {
  61                 $this->assertEquals(
  62                         '<img/>',
  63                         Html::element( 'img', null, '' ),
  64                         'Self-closing tag for short-tag elements'
  65                 );
  66
  67                 $this->assertEquals(
  68                         '<element></element>',
  69                         Html::element( 'element', null, null ),
  70                         'Close tag for empty element (null, null)'
  71                 );
  72
  73                 $this->assertEquals(
  74                         '<element></element>',
  75                         Html::element( 'element', [], '' ),
  76                         'Close tag for empty element (array, string)'
  77                 );
  78         }
  79
  80         public function dataXmlMimeType() {
  81                 return [
  82                         // ( $mimetype, $isXmlMimeType )
  83                         # HTML is not an XML MimeType
  84                         [ 'text/html', false ],
  85                         # XML is an XML MimeType
  86                         [ 'text/xml', true ],
  87                         [ 'application/xml', true ],
  88                         # XHTML is an XML MimeType
  89                         [ 'application/xhtml+xml', true ],
  90                         # Make sure other +xml MimeTypes are supported
  91                         # SVG is another random MimeType even though we don't use it
  92                         [ 'image/svg+xml', true ],
  93                         # Complete random other MimeTypes are not XML
  94                         [ 'text/plain', false ],
  95                 ];
  96         }
  97
  98         /**
  99          * @dataProvider dataXmlMimeType
 100          * @covers Html::isXmlMimeType
 101          */
 102         public function testXmlMimeType( $mimetype, $isXmlMimeType ) {
 103                 $this->assertEquals( $isXmlMimeType, Html::isXmlMimeType( $mimetype ) );
 104         }
 105
 106         /**
 107          * @covers Html::expandAttributes
 108          */
 109         public function testExpandAttributesSkipsNullAndFalse() {
 110                 # ## EMPTY ########
 111                 $this->assertEmpty(
 112                         Html::expandAttributes( [ 'foo' => null ] ),
 113                         'skip keys with null value'
 114                 );
 115                 $this->assertEmpty(
 116                         Html::expandAttributes( [ 'foo' => false ] ),
 117                         'skip keys with false value'
 118                 );
 119                 $this->assertEquals(
 120                         ' foo=""',
 121                         Html::expandAttributes( [ 'foo' => '' ] ),
 122                         'keep keys with an empty string'
 123                 );
 124         }
 125
 126         /**
 127          * @covers Html::expandAttributes
 128          */
 129         public function testExpandAttributesForBooleans() {
 130                 $this->assertEquals(
 131                         '',
 132                         Html::expandAttributes( [ 'selected' => false ] ),
 133                         'Boolean attributes do not generates output when value is false'
 134                 );
 135                 $this->assertEquals(
 136                         '',
 137                         Html::expandAttributes( [ 'selected' => null ] ),
 138                         'Boolean attributes do not generates output when value is null'
 139                 );
 140
 141                 $this->assertEquals(
 142                         ' selected=""',
 143                         Html::expandAttributes( [ 'selected' => true ] ),
 144                         'Boolean attributes have no value when value is true'
 145                 );
 146                 $this->assertEquals(
 147                         ' selected=""',
 148                         Html::expandAttributes( [ 'selected' ] ),
 149                         'Boolean attributes have no value when value is true (passed as numerical array)'
 150                 );
 151         }
 152
 153         /**
 154          * @covers Html::expandAttributes
 155          */
 156         public function testExpandAttributesForNumbers() {
 157                 $this->assertEquals(
 158                         ' value="1"',
 159                         Html::expandAttributes( [ 'value' => 1 ] ),
 160                         'Integer value is cast to a string'
 161                 );
 162                 $this->assertEquals(
 163                         ' value="1.1"',
 164                         Html::expandAttributes( [ 'value' => 1.1 ] ),
 165                         'Float value is cast to a string'
 166                 );
 167         }
 168
 169         /**
 170          * @covers Html::expandAttributes
 171          */
 172         public function testExpandAttributesForObjects() {
 173                 $this->assertEquals(
 174                         ' value="stringValue"',
 175                         Html::expandAttributes( [ 'value' => new HtmlTestValue() ] ),
 176                         'Object value is converted to a string'
 177                 );
 178         }
 179
 180         /**
 181          * Test for Html::expandAttributes()
 182          * Please note it output a string prefixed with a space!
 183          * @covers Html::expandAttributes
 184          */
 185         public function testExpandAttributesVariousExpansions() {
 186                 # ## NOT EMPTY ####
 187                 $this->assertEquals(
 188                         ' empty_string=""',
 189                         Html::expandAttributes( [ 'empty_string' => '' ] ),
 190                         'Empty string is always quoted'
 191                 );
 192                 $this->assertEquals(
 193                         ' key="value"',
 194                         Html::expandAttributes( [ 'key' => 'value' ] ),
 195                         'Simple string value needs no quotes'
 196                 );
 197                 $this->assertEquals(
 198                         ' one="1"',
 199                         Html::expandAttributes( [ 'one' => 1 ] ),
 200                         'Number 1 value needs no quotes'
 201                 );
 202                 $this->assertEquals(
 203                         ' zero="0"',
 204                         Html::expandAttributes( [ 'zero' => 0 ] ),
 205                         'Number 0 value needs no quotes'
 206                 );
 207         }
 208
 209         /**
 210          * Html::expandAttributes has special features for HTML
 211          * attributes that use space separated lists and also
 212          * allows arrays to be used as values.
 213          * @covers Html::expandAttributes
 214          */
 215         public function testExpandAttributesListValueAttributes() {
 216                 # ## STRING VALUES
 217                 $this->assertEquals(
 218                         ' class="redundant spaces here"',
 219                         Html::expandAttributes( [ 'class' => ' redundant  spaces  here  ' ] ),
 220                         'Normalization should strip redundant spaces'
 221                 );
 222                 $this->assertEquals(
 223                         ' class="foo bar"',
 224                         Html::expandAttributes( [ 'class' => 'foo bar foo bar bar' ] ),
 225                         'Normalization should remove duplicates in string-lists'
 226                 );
 227                 # ## "EMPTY" ARRAY VALUES
 228                 $this->assertEquals(
 229                         ' class=""',
 230                         Html::expandAttributes( [ 'class' => [] ] ),
 231                         'Value with an empty array'
 232                 );
 233                 $this->assertEquals(
 234                         ' class=""',
 235                         Html::expandAttributes( [ 'class' => [ null, '', ' ', '  ' ] ] ),
 236                         'Array with null, empty string and spaces'
 237                 );
 238                 # ## NON-EMPTY ARRAY VALUES
 239                 $this->assertEquals(
 240                         ' class="foo bar"',
 241                         Html::expandAttributes( [ 'class' => [
 242                                 'foo',
 243                                 'bar',
 244                                 'foo',
 245                                 'bar',
 246                                 'bar',
 247                         ] ] ),
 248                         'Normalization should remove duplicates in the array'
 249                 );
 250                 $this->assertEquals(
 251                         ' class="foo bar"',
 252                         Html::expandAttributes( [ 'class' => [
 253                                 'foo bar',
 254                                 'bar foo',
 255                                 'foo',
 256                                 'bar bar',
 257                         ] ] ),
 258                         'Normalization should remove duplicates in string-lists in the array'
 259                 );
 260         }
 261
 262         /**
 263          * Test feature added by r96188, let pass attributes values as
 264          * a PHP array. Restricted to class,rel, accesskey.
 265          * @covers Html::expandAttributes
 266          */
 267         public function testExpandAttributesSpaceSeparatedAttributesWithBoolean() {
 268                 $this->assertEquals(
 269                         ' class="booltrue one"',
 270                         Html::expandAttributes( [ 'class' => [
 271                                 'booltrue' => true,
 272                                 'one' => 1,
 273
 274                                 # Method use isset() internally, make sure we do discard
 275                                 # attributes values which have been assigned well known values
 276                                 'emptystring' => '',
 277                                 'boolfalse' => false,
 278                                 'zero' => 0,
 279                                 'null' => null,
 280                         ] ] )
 281                 );
 282         }
 283
 284         /**
 285          * How do we handle duplicate keys in HTML attributes expansion?
 286          * We could pass a "class" the values: 'GREEN' and array( 'GREEN' => false )
 287          * The latter will take precedence.
 288          *
 289          * Feature added by r96188
 290          * @covers Html::expandAttributes
 291          */
 292         public function testValueIsAuthoritativeInSpaceSeparatedAttributesArrays() {
 293                 $this->assertEquals(
 294                         ' class=""',
 295                         Html::expandAttributes( [ 'class' => [
 296                                 'GREEN',
 297                                 'GREEN' => false,
 298                                 'GREEN',
 299                         ] ] )
 300                 );
 301         }
 302
 303         /**
 304          * @covers Html::expandAttributes
 305          * @expectedException MWException
 306          */
 307         public function testExpandAttributes_ArrayOnNonListValueAttribute_ThrowsException() {
 308                 // Real-life test case found in the Popups extension (see Gerrit cf0fd64),
 309                 // when used with an outdated BetaFeatures extension (see Gerrit deda1e7)
 310                 Html::expandAttributes( [
 311                         'src' => [
 312                                 'ltr' => 'ltr.svg',
 313                                 'rtl' => 'rtl.svg'
 314                         ]
 315                 ] );
 316         }
 317
 318         /**
 319          * @covers Html::namespaceSelector
 320          * @covers Html::namespaceSelectorOptions
 321          */
 322         public function testNamespaceSelector() {
 323                 $this->assertEquals(
 324                         '<select id="namespace" name="namespace">' . "\n" .
 325                                 '<option value="0">(Main)</option>' . "\n" .
 326                                 '<option value="1">Talk</option>' . "\n" .
 327                                 '<option value="2">User</option>' . "\n" .
 328                                 '<option value="3">User talk</option>' . "\n" .
 329                                 '<option value="4">MyWiki</option>' . "\n" .
 330                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 331                                 '<option value="6">File</option>' . "\n" .
 332                                 '<option value="7">File talk</option>' . "\n" .
 333                                 '<option value="8">MediaWiki</option>' . "\n" .
 334                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 335                                 '<option value="10">Template</option>' . "\n" .
 336                                 '<option value="11">Template talk</option>' . "\n" .
 337                                 '<option value="14">Category</option>' . "\n" .
 338                                 '<option value="15">Category talk</option>' . "\n" .
 339                                 '<option value="100">Custom</option>' . "\n" .
 340                                 '<option value="101">Custom talk</option>' . "\n" .
 341                                 '</select>',
 342                         Html::namespaceSelector(),
 343                         'Basic namespace selector without custom options'
 344                 );
 345
 346                 $this->assertEquals(
 347                         '<label for="mw-test-namespace">Select a namespace:</label>' . "\u{00A0}" .
 348                                 '<select id="mw-test-namespace" name="wpNamespace">' . "\n" .
 349                                 '<option value="all">all</option>' . "\n" .
 350                                 '<option value="0">(Main)</option>' . "\n" .
 351                                 '<option value="1">Talk</option>' . "\n" .
 352                                 '<option value="2" selected="">User</option>' . "\n" .
 353                                 '<option value="3">User talk</option>' . "\n" .
 354                                 '<option value="4">MyWiki</option>' . "\n" .
 355                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 356                                 '<option value="6">File</option>' . "\n" .
 357                                 '<option value="7">File talk</option>' . "\n" .
 358                                 '<option value="8">MediaWiki</option>' . "\n" .
 359                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 360                                 '<option value="10">Template</option>' . "\n" .
 361                                 '<option value="11">Template talk</option>' . "\n" .
 362                                 '<option value="14">Category</option>' . "\n" .
 363                                 '<option value="15">Category talk</option>' . "\n" .
 364                                 '<option value="100">Custom</option>' . "\n" .
 365                                 '<option value="101">Custom talk</option>' . "\n" .
 366                                 '</select>',
 367                         Html::namespaceSelector(
 368                                 [ 'selected' => '2', 'all' => 'all', 'label' => 'Select a namespace:' ],
 369                                 [ 'name' => 'wpNamespace', 'id' => 'mw-test-namespace' ]
 370                         ),
 371                         'Basic namespace selector with custom values'
 372                 );
 373
 374                 $this->assertEquals(
 375                         '<label for="namespace">Select a namespace:</label>' . "\u{00A0}" .
 376                                 '<select id="namespace" name="namespace">' . "\n" .
 377                                 '<option value="0">(Main)</option>' . "\n" .
 378                                 '<option value="1">Talk</option>' . "\n" .
 379                                 '<option value="2">User</option>' . "\n" .
 380                                 '<option value="3">User talk</option>' . "\n" .
 381                                 '<option value="4">MyWiki</option>' . "\n" .
 382                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 383                                 '<option value="6">File</option>' . "\n" .
 384                                 '<option value="7">File talk</option>' . "\n" .
 385                                 '<option value="8">MediaWiki</option>' . "\n" .
 386                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 387                                 '<option value="10">Template</option>' . "\n" .
 388                                 '<option value="11">Template talk</option>' . "\n" .
 389                                 '<option value="14">Category</option>' . "\n" .
 390                                 '<option value="15">Category talk</option>' . "\n" .
 391                                 '<option value="100">Custom</option>' . "\n" .
 392                                 '<option value="101">Custom talk</option>' . "\n" .
 393                                 '</select>',
 394                         Html::namespaceSelector(
 395                                 [ 'label' => 'Select a namespace:' ]
 396                         ),
 397                         'Basic namespace selector with a custom label but no id attribtue for the <select>'
 398                 );
 399         }
 400
 401         /**
 402          * @covers Html::namespaceSelector
 403          */
 404         public function testCanFilterOutNamespaces() {
 405                 $this->assertEquals(
 406                         '<select id="namespace" name="namespace">' . "\n" .
 407                                 '<option value="2">User</option>' . "\n" .
 408                                 '<option value="4">MyWiki</option>' . "\n" .
 409                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 410                                 '<option value="6">File</option>' . "\n" .
 411                                 '<option value="7">File talk</option>' . "\n" .
 412                                 '<option value="8">MediaWiki</option>' . "\n" .
 413                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 414                                 '<option value="10">Template</option>' . "\n" .
 415                                 '<option value="11">Template talk</option>' . "\n" .
 416                                 '<option value="14">Category</option>' . "\n" .
 417                                 '<option value="15">Category talk</option>' . "\n" .
 418                                 '</select>',
 419                         Html::namespaceSelector(
 420                                 [ 'exclude' => [ 0, 1, 3, 100, 101 ] ]
 421                         ),
 422                         'Namespace selector namespace filtering.'
 423                 );
 424         }
 425
 426         /**
 427          * @covers Html::namespaceSelector
 428          */
 429         public function testCanDisableANamespaces() {
 430                 $this->assertEquals(
 431                         '<select id="namespace" name="namespace">' . "\n" .
 432                                 '<option disabled="" value="0">(Main)</option>' . "\n" .
 433                                 '<option disabled="" value="1">Talk</option>' . "\n" .
 434                                 '<option disabled="" value="2">User</option>' . "\n" .
 435                                 '<option disabled="" value="3">User talk</option>' . "\n" .
 436                                 '<option disabled="" value="4">MyWiki</option>' . "\n" .
 437                                 '<option value="5">MyWiki Talk</option>' . "\n" .
 438                                 '<option value="6">File</option>' . "\n" .
 439                                 '<option value="7">File talk</option>' . "\n" .
 440                                 '<option value="8">MediaWiki</option>' . "\n" .
 441                                 '<option value="9">MediaWiki talk</option>' . "\n" .
 442                                 '<option value="10">Template</option>' . "\n" .
 443                                 '<option value="11">Template talk</option>' . "\n" .
 444                                 '<option value="14">Category</option>' . "\n" .
 445                                 '<option value="15">Category talk</option>' . "\n" .
 446                                 '<option value="100">Custom</option>' . "\n" .
 447                                 '<option value="101">Custom talk</option>' . "\n" .
 448                                 '</select>',
 449                         Html::namespaceSelector( [
 450                                 'disable' => [ 0, 1, 2, 3, 4 ]
 451                         ] ),
 452                         'Namespace selector namespace disabling'
 453                 );
 454         }
 455
 456         /**
 457          * @dataProvider provideHtml5InputTypes
 458          * @covers Html::element
 459          */
 460         public function testHtmlElementAcceptsNewHtml5TypesInHtml5Mode( $HTML5InputType ) {
 461                 $this->assertEquals(
 462                         '<input type="' . $HTML5InputType . '"/>',
 463                         Html::element( 'input', [ 'type' => $HTML5InputType ] ),
 464                         'In HTML5, Html::element() should accept type="' . $HTML5InputType . '"'
 465                 );
 466         }
 467
 468         /**
 469          * @covers Html::warningBox
 470          * @covers Html::messageBox
 471          */
 472         public function testWarningBox() {
 473                 $this->assertEquals(
 474                         Html::warningBox( 'warn' ),
 475                         '<div class="warningbox">warn</div>'
 476                 );
 477         }
 478
 479         /**
 480          * @covers Html::errorBox
 481          * @covers Html::messageBox
 482          */
 483         public function testErrorBox() {
 484                 $this->assertEquals(
 485                         Html::errorBox( 'err' ),
 486                         '<div class="errorbox">err</div>'
 487                 );
 488                 $this->assertEquals(
 489                         Html::errorBox( 'err', 'heading' ),
 490                         '<div class="errorbox"><h2>heading</h2>err</div>'
 491                 );
 492                 $this->assertEquals(
 493                         Html::errorBox( 'err', '0' ),
 494                         '<div class="errorbox"><h2>0</h2>err</div>'
 495                 );
 496         }
 497
 498         /**
 499          * @covers Html::successBox
 500          * @covers Html::messageBox
 501          */
 502         public function testSuccessBox() {
 503                 $this->assertEquals(
 504                         Html::successBox( 'great' ),
 505                         '<div class="successbox">great</div>'
 506                 );
 507                 $this->assertEquals(
 508                         Html::successBox( '<script>beware no escaping!</script>' ),
 509                         '<div class="successbox"><script>beware no escaping!</script></div>'
 510                 );
 511         }
 512
 513         /**
 514          * List of input element types values introduced by HTML5
 515          * Full list at https://www.w3.org/TR/html-markup/input.html
 516          */
 517         public static function provideHtml5InputTypes() {
 518                 $types = [
 519                         'datetime',
 520                         'datetime-local',
 521                         'date',
 522                         'month',
 523                         'time',
 524                         'week',
 525                         'number',
 526                         'range',
 527                         'email',
 528                         'url',
 529                         'search',
 530                         'tel',
 531                         'color',
 532                 ];
 533                 $cases = [];
 534                 foreach ( $types as $type ) {
 535                         $cases[] = [ $type ];
 536                 }
 537
 538                 return $cases;
 539         }
 540
 541         /**
 542          * Test out Html::element drops or enforces default value
 543          * @covers Html::dropDefaults
 544          * @dataProvider provideElementsWithAttributesHavingDefaultValues
 545          */
 546         public function testDropDefaults( $expected, $element, $attribs, $message = '' ) {
 547                 $this->assertEquals( $expected, Html::element( $element, $attribs ), $message );
 548         }
 549
 550         public static function provideElementsWithAttributesHavingDefaultValues() {
 551                 # Use cases in a concise format:
 552                 # <expected>, <element name>, <array of attributes> [, <message>]
 553                 # Will be mapped to Html::element()
 554                 $cases = [];
 555
 556                 # ## Generic cases, match $attribDefault static array
 557                 $cases[] = [ '<area/>',
 558                         'area', [ 'shape' => 'rect' ]
 559                 ];
 560
 561                 $cases[] = [ '<button type="submit"></button>',
 562                         'button', [ 'formaction' => 'GET' ]
 563                 ];
 564                 $cases[] = [ '<button type="submit"></button>',
 565                         'button', [ 'formenctype' => 'application/x-www-form-urlencoded' ]
 566                 ];
 567
 568                 $cases[] = [ '<canvas></canvas>',
 569                         'canvas', [ 'height' => '150' ]
 570                 ];
 571                 $cases[] = [ '<canvas></canvas>',
 572                         'canvas', [ 'width' => '300' ]
 573                 ];
 574                 # Also check with numeric values
 575                 $cases[] = [ '<canvas></canvas>',
 576                         'canvas', [ 'height' => 150 ]
 577                 ];
 578                 $cases[] = [ '<canvas></canvas>',
 579                         'canvas', [ 'width' => 300 ]
 580                 ];
 581
 582                 $cases[] = [ '<form></form>',
 583                         'form', [ 'action' => 'GET' ]
 584                 ];
 585                 $cases[] = [ '<form></form>',
 586                         'form', [ 'autocomplete' => 'on' ]
 587                 ];
 588                 $cases[] = [ '<form></form>',
 589                         'form', [ 'enctype' => 'application/x-www-form-urlencoded' ]
 590                 ];
 591
 592                 $cases[] = [ '<input/>',
 593                         'input', [ 'formaction' => 'GET' ]
 594                 ];
 595                 $cases[] = [ '<input/>',
 596                         'input', [ 'type' => 'text' ]
 597                 ];
 598
 599                 $cases[] = [ '<keygen/>',
 600                         'keygen', [ 'keytype' => 'rsa' ]
 601                 ];
 602
 603                 $cases[] = [ '<link/>',
 604                         'link', [ 'media' => 'all' ]
 605                 ];
 606
 607                 $cases[] = [ '<menu></menu>',
 608                         'menu', [ 'type' => 'list' ]
 609                 ];
 610
 611                 $cases[] = [ '<script></script>',
 612                         'script', [ 'type' => 'text/javascript' ]
 613                 ];
 614
 615                 $cases[] = [ '<style></style>',
 616                         'style', [ 'media' => 'all' ]
 617                 ];
 618                 $cases[] = [ '<style></style>',
 619                         'style', [ 'type' => 'text/css' ]
 620                 ];
 621
 622                 $cases[] = [ '<textarea></textarea>',
 623                         'textarea', [ 'wrap' => 'soft' ]
 624                 ];
 625
 626                 # ## SPECIFIC CASES
 627
 628                 # <link type="text/css">
 629                 $cases[] = [ '<link/>',
 630                         'link', [ 'type' => 'text/css' ]
 631                 ];
 632
 633                 # <input> specific handling
 634                 $cases[] = [ '<input type="checkbox"/>',
 635                         'input', [ 'type' => 'checkbox', 'value' => 'on' ],
 636                         'Default value "on" is stripped of checkboxes',
 637                 ];
 638                 $cases[] = [ '<input type="radio"/>',
 639                         'input', [ 'type' => 'radio', 'value' => 'on' ],
 640                         'Default value "on" is stripped of radio buttons',
 641                 ];
 642                 $cases[] = [ '<input type="submit" value="Submit"/>',
 643                         'input', [ 'type' => 'submit', 'value' => 'Submit' ],
 644                         'Default value "Submit" is kept on submit buttons (for possible l10n issues)',
 645                 ];
 646                 $cases[] = [ '<input type="color"/>',
 647                         'input', [ 'type' => 'color', 'value' => '' ],
 648                 ];
 649                 $cases[] = [ '<input type="range"/>',
 650                         'input', [ 'type' => 'range', 'value' => '' ],
 651                 ];
 652
 653                 # <button> specific handling
 654                 # see remarks on https://msdn.microsoft.com/library/ms535211(v=vs.85).aspx
 655                 $cases[] = [ '<button type="submit"></button>',
 656                         'button', [ 'type' => 'submit' ],
 657                         'According to standard the default type is "submit". '
 658                                 . 'Depending on compatibility mode IE might use "button", instead.',
 659                 ];
 660
 661                 # <select> specific handling
 662                 $cases[] = [ '<select multiple=""></select>',
 663                         'select', [ 'size' => '4', 'multiple' => true ],
 664                 ];
 665                 # .. with numeric value
 666                 $cases[] = [ '<select multiple=""></select>',
 667                         'select', [ 'size' => 4, 'multiple' => true ],
 668                 ];
 669                 $cases[] = [ '<select></select>',
 670                         'select', [ 'size' => '1', 'multiple' => false ],
 671                 ];
 672                 # .. with numeric value
 673                 $cases[] = [ '<select></select>',
 674                         'select', [ 'size' => 1, 'multiple' => false ],
 675                 ];
 676
 677                 # Passing an array as value
 678                 $cases[] = [ '<a class="css-class-one css-class-two"></a>',
 679                         'a', [ 'class' => [ 'css-class-one', 'css-class-two' ] ],
 680                         "dropDefaults accepts values given as an array"
 681                 ];
 682
 683                 # FIXME: doDropDefault should remove defaults given in an array
 684                 # Expected should be '<a></a>'
 685                 $cases[] = [ '<a class=""></a>',
 686                         'a', [ 'class' => [ '', '' ] ],
 687                         "dropDefaults accepts values given as an array"
 688                 ];
 689
 690                 # Craft the Html elements
 691                 $ret = [];
 692                 foreach ( $cases as $case ) {
 693                         $ret[] = [
 694                                 $case[0],
 695                                 $case[1], $case[2],
 696                                 $case[3] ?? ''
 697                         ];
 698                 }
 699
 700                 return $ret;
 701         }
 702
 703         /**
 704          * @covers Html::input
 705          */
 706         public function testWrapperInput() {
 707                 $this->assertEquals(
 708                         '<input type="radio" value="testval" name="testname"/>',
 709                         Html::input( 'testname', 'testval', 'radio' ),
 710                         'Input wrapper with type and value.'
 711                 );
 712                 $this->assertEquals(
 713                         '<input name="testname"/>',
 714                         Html::input( 'testname' ),
 715                         'Input wrapper with all default values.'
 716                 );
 717         }
 718
 719         /**
 720          * @covers Html::check
 721          */
 722         public function testWrapperCheck() {
 723                 $this->assertEquals(
 724                         '<input type="checkbox" value="1" name="testname"/>',
 725                         Html::check( 'testname' ),
 726                         'Checkbox wrapper unchecked.'
 727                 );
 728                 $this->assertEquals(
 729                         '<input checked="" type="checkbox" value="1" name="testname"/>',
 730                         Html::check( 'testname', true ),
 731                         'Checkbox wrapper checked.'
 732                 );
 733                 $this->assertEquals(
 734                         '<input type="checkbox" value="testval" name="testname"/>',
 735                         Html::check( 'testname', false, [ 'value' => 'testval' ] ),
 736                         'Checkbox wrapper with a value override.'
 737                 );
 738         }
 739
 740         /**
 741          * @covers Html::radio
 742          */
 743         public function testWrapperRadio() {
 744                 $this->assertEquals(
 745                         '<input type="radio" value="1" name="testname"/>',
 746                         Html::radio( 'testname' ),
 747                         'Radio wrapper unchecked.'
 748                 );
 749                 $this->assertEquals(
 750                         '<input checked="" type="radio" value="1" name="testname"/>',
 751                         Html::radio( 'testname', true ),
 752                         'Radio wrapper checked.'
 753                 );
 754                 $this->assertEquals(
 755                         '<input type="radio" value="testval" name="testname"/>',
 756                         Html::radio( 'testname', false, [ 'value' => 'testval' ] ),
 757                         'Radio wrapper with a value override.'
 758                 );
 759         }
 760
 761         /**
 762          * @covers Html::label
 763          */
 764         public function testWrapperLabel() {
 765                 $this->assertEquals(
 766                         '<label for="testid">testlabel</label>',
 767                         Html::label( 'testlabel', 'testid' ),
 768                         'Label wrapper'
 769                 );
 770         }
 771
 772         public static function provideSrcSetImages() {
 773                 return [
 774                         [ [], '', 'when there are no images, return empty string' ],
 775                         [
 776                                 [ '1x' => '1x.png', '1.5x' => '1_5x.png', '2x' => '2x.png' ],
 777                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 778                                 'pixel depth keys may include a trailing "x"'
 779                         ],
 780                         [
 781                                 [ '1'  => '1x.png', '1.5' => '1_5x.png', '2'  => '2x.png' ],
 782                                 '1x.png 1x, 1_5x.png 1.5x, 2x.png 2x',
 783                                 'pixel depth keys may omit a trailing "x"'
 784                         ],
 785                         [
 786                                 [ '1'  => 'small.png', '1.5' => 'large.png', '2'  => 'large.png' ],
 787                                 'small.png 1x, large.png 1.5x',
 788                                 'omit larger duplicates'
 789                         ],
 790                         [
 791                                 [ '1'  => 'small.png', '2'  => 'large.png', '1.5' => 'large.png' ],
 792                                 'small.png 1x, large.png 1.5x',
 793                                 'omit larger duplicates in irregular order'
 794                         ],
 795                 ];
 796         }
 797
 798         /**
 799          * @dataProvider provideSrcSetImages
 800          * @covers Html::srcSet
 801          */
 802         public function testSrcSet( $images, $expected, $message ) {
 803                 $this->assertEquals( Html::srcSet( $images ), $expected, $message );
 804         }
 805
 806         public static function provideInlineScript() {
 807                 return [
 808                         'Empty' => [
 809                                 '',
 810                                 '<script></script>'
 811                         ],
 812                         'Simple' => [
 813                                 'EXAMPLE.label("foo");',
 814                                 '<script>EXAMPLE.label("foo");</script>'
 815                         ],
 816                         'Ampersand' => [
 817                                 'EXAMPLE.is(a && b);',
 818                                 '<script>EXAMPLE.is(a && b);</script>'
 819                         ],
 820                         'HTML' => [
 821                                 'EXAMPLE.label("<a>");',
 822                                 '<script>EXAMPLE.label("<a>");</script>'
 823                         ],
 824                         'Script closing string (lower)' => [
 825                                 'EXAMPLE.label("</script>");',
 826                                 '<script>/* ERROR: Invalid script */</script>',
 827                                 true,
 828                         ],
 829                         'Script closing with non-standard attributes (mixed)' => [
 830                                 'EXAMPLE.label("</SCriPT and STyLE>");',
 831                                 '<script>/* ERROR: Invalid script */</script>',
 832                                 true,
 833                         ],
 834                         'HTML-comment-open and script-open' => [
 835                                 // In HTML, <script> contents aren't just plain CDATA until </script>,
 836                                 // there are levels of escaping modes, and the below sequence puts an
 837                                 // HTML parser in a state where </script> would *not* close the script.
 838                                 // https://html.spec.whatwg.org/multipage/parsing.html#script-data-double-escape-end-state
 839                                 'var a = "<!--<script>";',
 840                                 '<script>/* ERROR: Invalid script */</script>',
 841                                 true,
 842                         ],
 843                 ];
 844         }
 845
 846         /**
 847          * @dataProvider provideInlineScript
 848          * @covers Html::inlineScript
 849          */
 850         public function testInlineScript( $code, $expected, $error = false ) {
 851                 if ( $error ) {
 852                         Wikimedia\suppressWarnings();
 853                         $this->restoreWarnings = true;
 854                 }
 855                 $this->assertSame( Html::inlineScript( $code ), $expected );
 856         }
 857 }
 858
 859 class HtmlTestValue {
 860         function __toString() {
 861                 return 'stringValue';
 862         }
 863 }