tests/HTMLPurifier/Strategy/ValidateAttributesTest.php

   1 <?php
   2
   3 class HTMLPurifier_Strategy_ValidateAttributesTest extends
   4       HTMLPurifier_StrategyHarness
   5 {
   6
   7     public function setUp()
   8     {
   9         parent::setUp();
  10         $this->obj = new HTMLPurifier_Strategy_ValidateAttributes();
  11     }
  12
  13     public function testEmptyInput()
  14     {
  15         $this->assertResult('');
  16     }
  17
  18     public function testRemoveIDByDefault()
  19     {
  20         $this->assertResult(
  21             '<div id="valid">Kill the ID.</div>',
  22             '<div>Kill the ID.</div>'
  23         );
  24     }
  25
  26     public function testRemoveInvalidDir()
  27     {
  28         $this->assertResult(
  29             '<span dir="up-to-down">Bad dir.</span>',
  30             '<span>Bad dir.</span>'
  31         );
  32     }
  33
  34     public function testPreserveValidClass()
  35     {
  36         $this->assertResult('<div class="valid">Valid</div>');
  37     }
  38
  39     public function testSelectivelyRemoveInvalidClasses()
  40     {
  41         $this->config->set('HTML.Doctype', 'XHTML 1.1');
  42         $this->assertResult(
  43             '<div class="valid 0invalid">Keep valid.</div>',
  44             '<div class="valid">Keep valid.</div>'
  45         );
  46     }
  47
  48     public function testPreserveTitle()
  49     {
  50         $this->assertResult(
  51             '<acronym title="PHP: Hypertext Preprocessor">PHP</acronym>'
  52         );
  53     }
  54
  55     public function testAddXMLLang()
  56     {
  57         $this->assertResult(
  58             '<span lang="fr">La soupe.</span>',
  59             '<span lang="fr" xml:lang="fr">La soupe.</span>'
  60         );
  61     }
  62
  63     public function testOnlyXMLLangInXHTML11()
  64     {
  65         $this->config->set('HTML.Doctype', 'XHTML 1.1');
  66         $this->assertResult(
  67             '<b lang="en">asdf</b>',
  68             '<b xml:lang="en">asdf</b>'
  69         );
  70     }
  71
  72     public function testBasicURI()
  73     {
  74         $this->assertResult('<a href="http://www.google.com/">Google</a>');
  75     }
  76
  77     public function testInvalidURI()
  78     {
  79         $this->assertResult(
  80             '<a href="javascript:badstuff();">Google</a>',
  81             '<a>Google</a>'
  82         );
  83     }
  84
  85     public function testBdoAddMissingDir()
  86     {
  87         $this->assertResult(
  88             '<bdo>Go left.</bdo>',
  89             '<bdo dir="ltr">Go left.</bdo>'
  90         );
  91     }
  92
  93     public function testBdoReplaceInvalidDirWithDefault()
  94     {
  95         $this->assertResult(
  96             '<bdo dir="blahblah">Invalid value!</bdo>',
  97             '<bdo dir="ltr">Invalid value!</bdo>'
  98         );
  99     }
 100
 101     public function testBdoAlternateDefaultDir()
 102     {
 103         $this->config->set('Attr.DefaultTextDir', 'rtl');
 104         $this->assertResult(
 105             '<bdo>Go right.</bdo>',
 106             '<bdo dir="rtl">Go right.</bdo>'
 107         );
 108     }
 109
 110     public function testRemoveDirWhenNotRequired()
 111     {
 112         $this->assertResult(
 113             '<span dir="blahblah">Invalid value!</span>',
 114             '<span>Invalid value!</span>'
 115         );
 116     }
 117
 118     public function testTableAttributes()
 119     {
 120         $this->assertResult(
 121 '<table frame="above" rules="rows" summary="A test table" border="2" cellpadding="5%" cellspacing="3" width="100%">
 122     <col align="right" width="4*" />
 123     <col charoff="5" align="char" width="*" />
 124     <tr valign="top">
 125         <th abbr="name">Fiddly name</th>
 126         <th abbr="price">Super-duper-price</th>
 127     </tr>
 128     <tr>
 129         <td abbr="carrot">Carrot Humungous</td>
 130         <td>$500.23</td>
 131     </tr>
 132     <tr>
 133         <td colspan="2">Taken off the market</td>
 134     </tr>
 135 </table>'
 136         );
 137     }
 138
 139     public function testColSpanIsNonZero()
 140     {
 141         $this->assertResult(
 142             '<col span="0" />',
 143             '<col />'
 144         );
 145     }
 146
 147     public function testImgAddDefaults()
 148     {
 149         $this->config->set('Core.RemoveInvalidImg', false);
 150         $this->assertResult(
 151             '<img />',
 152             '<img src="" alt="Invalid image" />'
 153         );
 154     }
 155
 156     public function testImgGenerateAlt()
 157     {
 158         $this->assertResult(
 159             '<img src="foobar.jpg" />',
 160             '<img src="foobar.jpg" alt="foobar.jpg" />'
 161         );
 162     }
 163
 164     public function testImgAddDefaultSrc()
 165     {
 166         $this->config->set('Core.RemoveInvalidImg', false);
 167         $this->assertResult(
 168             '<img alt="pretty picture" />',
 169             '<img alt="pretty picture" src="" />'
 170         );
 171     }
 172
 173     public function testImgRemoveNonRetrievableProtocol()
 174     {
 175         $this->config->set('Core.RemoveInvalidImg', false);
 176         $this->assertResult(
 177             '<img src="mailto:foo@example.com" />',
 178             '<img alt="mailto:foo@example.com" src="" />'
 179         );
 180     }
 181
 182     public function testPreserveRel()
 183     {
 184         $this->config->set('Attr.AllowedRel', 'nofollow');
 185         $this->assertResult('<a href="foo" rel="nofollow" />');
 186     }
 187
 188     public function testPreserveTarget()
 189     {
 190         $this->config->set('Attr.AllowedFrameTargets', '_top');
 191         $this->config->set('HTML.Doctype', 'XHTML 1.0 Transitional');
 192         $this->assertResult('<a href="foo" target="_top" rel="noreferrer noopener" />');
 193     }
 194
 195     public function testRemoveTargetWhenNotSupported()
 196     {
 197         $this->config->set('HTML.Doctype', 'XHTML 1.0 Strict');
 198         $this->config->set('Attr.AllowedFrameTargets', '_top');
 199         $this->assertResult(
 200             '<a href="foo" target="_top" />',
 201             '<a href="foo" />'
 202         );
 203     }
 204
 205     public function testKeepAbsoluteCSSWidthAndHeightOnImg()
 206     {
 207         $this->assertResult(
 208             '<img src="" alt="" style="width:10px;height:10px;border:1px solid #000;" />'
 209         );
 210     }
 211
 212     public function testRemoveLargeCSSWidthAndHeightOnImg()
 213     {
 214         $this->assertResult(
 215             '<img src="" alt="" style="width:10000000px;height:10000000px;border:1px solid #000;" />',
 216             '<img src="" alt="" style="border:1px solid #000;" />'
 217         );
 218     }
 219
 220     public function testRemoveLargeCSSWidthAndHeightOnImgWithUserConf()
 221     {
 222         $this->config->set('CSS.MaxImgLength', '1px');
 223         $this->assertResult(
 224             '<img src="" alt="" style="width:1mm;height:1mm;border:1px solid #000;" />',
 225             '<img src="" alt="" style="border:1px solid #000;" />'
 226         );
 227     }
 228
 229     public function testKeepLargeCSSWidthAndHeightOnImgWhenToldTo()
 230     {
 231         $this->config->set('CSS.MaxImgLength', null);
 232         $this->assertResult(
 233             '<img src="" alt="" style="width:10000000px;height:10000000px;border:1px solid #000;" />'
 234         );
 235     }
 236
 237     public function testKeepPercentCSSWidthAndHeightOnImgWhenToldTo()
 238     {
 239         $this->config->set('CSS.MaxImgLength', null);
 240         $this->assertResult(
 241             '<img src="" alt="" style="width:100%;height:100%;border:1px solid #000;" />'
 242         );
 243     }
 244
 245     public function testRemoveRelativeCSSWidthAndHeightOnImg()
 246     {
 247         $this->assertResult(
 248             '<img src="" alt="" style="width:10em;height:10em;border:1px solid #000;" />',
 249             '<img src="" alt="" style="border:1px solid #000;" />'
 250         );
 251     }
 252
 253     public function testRemovePercentCSSWidthAndHeightOnImg()
 254     {
 255         $this->assertResult(
 256             '<img src="" alt="" style="width:100%;height:100%;border:1px solid #000;" />',
 257             '<img src="" alt="" style="border:1px solid #000;" />'
 258         );
 259     }
 260
 261 }
 262
 263 // vim: et sw=4 sts=4