tests/phpunit/includes/HtmlTest.php

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