tests/phpunit/includes/parser/PreprocessorTest.php

   1 <?php
   2
   3 class PreprocessorTest extends MediaWikiTestCase {
   4         protected $mTitle = 'Page title';
   5         protected $mPPNodeCount = 0;
   6         /**
   7          * @var ParserOptions
   8          */
   9         protected $mOptions;
  10         /**
  11          * @var Preprocessor
  12          */
  13         protected $mPreprocessor;
  14
  15         protected function setUp() {
  16                 global $wgParserConf, $wgContLang;
  17                 parent::setUp();
  18                 $this->mOptions = ParserOptions::newFromUserAndLang( new User, $wgContLang );
  19                 $name = isset( $wgParserConf['preprocessorClass'] )
  20                         ? $wgParserConf['preprocessorClass']
  21                         : 'Preprocessor_DOM';
  22
  23                 $this->mPreprocessor = new $name( $this );
  24         }
  25
  26         function getStripList() {
  27                 return [ 'gallery', 'display map' /* Used by Maps, see r80025 CR */, '/foo' ];
  28         }
  29
  30         public static function provideCases() {
  31                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
  32                 return [
  33                         [ "Foo", "<root>Foo</root>" ],
  34                         [ "<!-- Foo -->", "<root><comment>&lt;!-- Foo --&gt;</comment></root>" ],
  35                         [ "<!-- Foo --><!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment><comment>&lt;!-- Bar --&gt;</comment></root>" ],
  36                         [ "<!-- Foo -->  <!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment>  <comment>&lt;!-- Bar --&gt;</comment></root>" ],
  37                         [ "<!-- Foo --> \n <!-- Bar -->", "<root><comment>&lt;!-- Foo --&gt;</comment> \n <comment>&lt;!-- Bar --&gt;</comment></root>" ],
  38                         [ "<!-- Foo --> \n <!-- Bar -->\n", "<root><comment>&lt;!-- Foo --&gt;</comment> \n<comment> &lt;!-- Bar --&gt;\n</comment></root>" ],
  39                         [ "<!-- Foo -->  <!-- Bar -->\n", "<root><comment>&lt;!-- Foo --&gt;</comment>  <comment>&lt;!-- Bar --&gt;</comment>\n</root>" ],
  40                         [ "<!-->Bar", "<root><comment>&lt;!--&gt;Bar</comment></root>" ],
  41                         [ "<!-- Comment -- comment", "<root><comment>&lt;!-- Comment -- comment</comment></root>" ],
  42                         [ "== Foo ==\n  <!-- Bar -->\n== Baz ==\n", "<root><h level=\"2\" i=\"1\">== Foo ==</h>\n<comment>  &lt;!-- Bar --&gt;\n</comment><h level=\"2\" i=\"2\">== Baz ==</h>\n</root>" ],
  43                         [ "<gallery/>", "<root><ext><name>gallery</name><attr></attr></ext></root>" ],
  44                         [ "Foo <gallery/> Bar", "<root>Foo <ext><name>gallery</name><attr></attr></ext> Bar</root>" ],
  45                         [ "<gallery></gallery>", "<root><ext><name>gallery</name><attr></attr><inner></inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  46                         [ "<foo> <gallery></gallery>", "<root>&lt;foo&gt; <ext><name>gallery</name><attr></attr><inner></inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  47                         [ "<foo> <gallery><gallery></gallery>", "<root>&lt;foo&gt; <ext><name>gallery</name><attr></attr><inner>&lt;gallery&gt;</inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  48                         [ "<noinclude> Foo bar </noinclude>", "<root><ignore>&lt;noinclude&gt;</ignore> Foo bar <ignore>&lt;/noinclude&gt;</ignore></root>" ],
  49                         [ "<noinclude>\n{{Foo}}\n</noinclude>", "<root><ignore>&lt;noinclude&gt;</ignore>\n<template lineStart=\"1\"><title>Foo</title></template>\n<ignore>&lt;/noinclude&gt;</ignore></root>" ],
  50                         [ "<noinclude>\n{{Foo}}\n</noinclude>\n", "<root><ignore>&lt;noinclude&gt;</ignore>\n<template lineStart=\"1\"><title>Foo</title></template>\n<ignore>&lt;/noinclude&gt;</ignore>\n</root>" ],
  51                         [ "<gallery>foo bar", "<root>&lt;gallery&gt;foo bar</root>" ],
  52                         [ "<{{foo}}>", "<root>&lt;<template><title>foo</title></template>&gt;</root>" ],
  53                         [ "<{{{foo}}}>", "<root>&lt;<tplarg><title>foo</title></tplarg>&gt;</root>" ],
  54                         [ "<gallery></gallery</gallery>", "<root><ext><name>gallery</name><attr></attr><inner>&lt;/gallery</inner><close>&lt;/gallery&gt;</close></ext></root>" ],
  55                         [ "=== Foo === ", "<root><h level=\"3\" i=\"1\">=== Foo === </h></root>" ],
  56                         [ "==<!-- -->= Foo === ", "<root><h level=\"2\" i=\"1\">==<comment>&lt;!-- --&gt;</comment>= Foo === </h></root>" ],
  57                         [ "=== Foo ==<!-- -->= ", "<root><h level=\"1\" i=\"1\">=== Foo ==<comment>&lt;!-- --&gt;</comment>= </h></root>" ],
  58                         [ "=== Foo ===<!-- -->\n", "<root><h level=\"3\" i=\"1\">=== Foo ===<comment>&lt;!-- --&gt;</comment></h>\n</root>" ],
  59                         [ "=== Foo ===<!-- --> <!-- -->\n", "<root><h level=\"3\" i=\"1\">=== Foo ===<comment>&lt;!-- --&gt;</comment> <comment>&lt;!-- --&gt;</comment></h>\n</root>" ],
  60                         [ "== Foo ==\n== Bar == \n", "<root><h level=\"2\" i=\"1\">== Foo ==</h>\n<h level=\"2\" i=\"2\">== Bar == </h>\n</root>" ],
  61                         [ "===========", "<root><h level=\"5\" i=\"1\">===========</h></root>" ],
  62                         [ "Foo\n=\n==\n=\n", "<root>Foo\n=\n==\n=\n</root>" ],
  63                         [ "{{Foo}}", "<root><template><title>Foo</title></template></root>" ],
  64                         [ "\n{{Foo}}", "<root>\n<template lineStart=\"1\"><title>Foo</title></template></root>" ],
  65                         [ "{{Foo|bar}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part></template></root>" ],
  66                         [ "{{Foo|bar}}a", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part></template>a</root>" ],
  67                         [ "{{Foo|bar|baz}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name index=\"2\" /><value>baz</value></part></template></root>" ],
  68                         [ "{{Foo|1=bar}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part></template></root>" ],
  69                         [ "{{Foo|=bar}}", "<root><template><title>Foo</title><part><name></name>=<value>bar</value></part></template></root>" ],
  70                         [ "{{Foo|bar=baz}}", "<root><template><title>Foo</title><part><name>bar</name>=<value>baz</value></part></template></root>" ],
  71                         [ "{{Foo|{{bar}}=baz}}", "<root><template><title>Foo</title><part><name><template><title>bar</title></template></name>=<value>baz</value></part></template></root>" ],
  72                         [ "{{Foo|1=bar|baz}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part><part><name index=\"1\" /><value>baz</value></part></template></root>" ],
  73                         [ "{{Foo|1=bar|2=baz}}", "<root><template><title>Foo</title><part><name>1</name>=<value>bar</value></part><part><name>2</name>=<value>baz</value></part></template></root>" ],
  74                         [ "{{Foo|bar|foo=baz}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name>foo</name>=<value>baz</value></part></template></root>" ],
  75                         [ "{{{1}}}", "<root><tplarg><title>1</title></tplarg></root>" ],
  76                         [ "{{{1|}}}", "<root><tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg></root>" ],
  77                         [ "{{{Foo}}}", "<root><tplarg><title>Foo</title></tplarg></root>" ],
  78                         [ "{{{Foo|}}}", "<root><tplarg><title>Foo</title><part><name index=\"1\" /><value></value></part></tplarg></root>" ],
  79                         [ "{{{Foo|bar|baz}}}", "<root><tplarg><title>Foo</title><part><name index=\"1\" /><value>bar</value></part><part><name index=\"2\" /><value>baz</value></part></tplarg></root>" ],
  80                         [ "{<!-- -->{Foo}}", "<root>{<comment>&lt;!-- --&gt;</comment>{Foo}}</root>" ],
  81                         [ "{{{{Foobar}}}}", "<root>{<tplarg><title>Foobar</title></tplarg>}</root>" ],
  82                         [ "{{{ {{Foo}} }}}", "<root><tplarg><title> <template><title>Foo</title></template> </title></tplarg></root>" ],
  83                         [ "{{ {{{Foo}}} }}", "<root><template><title> <tplarg><title>Foo</title></tplarg> </title></template></root>" ],
  84                         [ "{{{{{Foo}}}}}", "<root><template><title><tplarg><title>Foo</title></tplarg></title></template></root>" ],
  85                         [ "{{{{{Foo}} }}}", "<root><tplarg><title><template><title>Foo</title></template> </title></tplarg></root>" ],
  86                         [ "{{{{{{Foo}}}}}}", "<root><tplarg><title><tplarg><title>Foo</title></tplarg></title></tplarg></root>" ],
  87                         [ "{{{{{{Foo}}}}}", "<root>{<template><title><tplarg><title>Foo</title></tplarg></title></template></root>" ],
  88                         [ "[[[Foo]]", "<root>[[[Foo]]</root>" ],
  89                         [ "{{Foo|[[[[bar]]|baz]]}}", "<root><template><title>Foo</title><part><name index=\"1\" /><value>[[[[bar]]|baz]]</value></part></template></root>" ], // This test is important, since it means the difference between having the [[ rule stacked or not
  90                         [ "{{Foo|[[[[bar]|baz]]}}", "<root>{{Foo|[[[[bar]|baz]]}}</root>" ],
  91                         [ "{{Foo|Foo [[[[bar]|baz]]}}", "<root>{{Foo|Foo [[[[bar]|baz]]}}</root>" ],
  92                         [ "Foo <display map>Bar</display map             >Baz", "<root>Foo <ext><name>display map</name><attr></attr><inner>Bar</inner><close>&lt;/display map             &gt;</close></ext>Baz</root>" ],
  93                         [ "Foo <display map foo>Bar</display map             >Baz", "<root>Foo <ext><name>display map</name><attr> foo</attr><inner>Bar</inner><close>&lt;/display map             &gt;</close></ext>Baz</root>" ],
  94                         [ "Foo <gallery bar=\"baz\" />", "<root>Foo <ext><name>gallery</name><attr> bar=&quot;baz&quot; </attr></ext></root>" ],
  95                         [ "Foo <gallery bar=\"1\" baz=2 />", "<root>Foo <ext><name>gallery</name><attr> bar=&quot;1&quot; baz=2 </attr></ext></root>" ],
  96                         [ "</foo>Foo<//foo>", "<root><ext><name>/foo</name><attr></attr><inner>Foo</inner><close>&lt;//foo&gt;</close></ext></root>" ], # Worth blacklisting IMHO
  97                         [ "{{#ifexpr: ({{{1|1}}} = 2) | Foo | Bar }}", "<root><template><title>#ifexpr: (<tplarg><title>1</title><part><name index=\"1\" /><value>1</value></part></tplarg> = 2) </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> Bar </value></part></template></root>" ],
  98                         [ "{{#if: {{{1|}}} | Foo | {{Bar}} }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> <template><title>Bar</title></template> </value></part></template></root>" ],
  99                         [ "{{#if: {{{1|}}} | Foo | [[Bar]] }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> Foo </value></part><part><name index=\"2\" /><value> [[Bar]] </value></part></template></root>" ],
 100                         [ "{{#if: {{{1|}}} | [[Foo]] | Bar }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> [[Foo]] </value></part><part><name index=\"2\" /><value> Bar </value></part></template></root>" ],
 101                         [ "{{#if: {{{1|}}} | 1 | {{#if: {{{1|}}} | 2 | 3 }} }}", "<root><template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> 1 </value></part><part><name index=\"2\" /><value> <template><title>#if: <tplarg><title>1</title><part><name index=\"1\" /><value></value></part></tplarg> </title><part><name index=\"1\" /><value> 2 </value></part><part><name index=\"2\" /><value> 3 </value></part></template> </value></part></template></root>" ],
 102                         [ "{{ {{Foo}}", "<root>{{ <template><title>Foo</title></template></root>" ],
 103                         [ "{{Foobar {{Foo}} {{Bar}} {{Baz}} ", "<root>{{Foobar <template><title>Foo</title></template> <template><title>Bar</title></template> <template><title>Baz</title></template> </root>" ],
 104                         [ "[[Foo]] |", "<root>[[Foo]] |</root>" ],
 105                         [ "{{Foo|Bar|", "<root>{{Foo|Bar|</root>" ],
 106                         [ "[[Foo]", "<root>[[Foo]</root>" ],
 107                         [ "[[Foo|Bar]", "<root>[[Foo|Bar]</root>" ],
 108                         [ "{{Foo| [[Bar] }}", "<root>{{Foo| [[Bar] }}</root>" ],
 109                         [ "{{Foo| [[Bar|Baz] }}", "<root>{{Foo| [[Bar|Baz] }}</root>" ],
 110                         [ "{{Foo|bar=[[baz]}}", "<root>{{Foo|bar=[[baz]}}</root>" ],
 111                         [ "{{foo|", "<root>{{foo|</root>" ],
 112                         [ "{{foo|}", "<root>{{foo|}</root>" ],
 113                         [ "{{foo|} }}", "<root><template><title>foo</title><part><name index=\"1\" /><value>} </value></part></template></root>" ],
 114                         [ "{{foo|bar=|}", "<root>{{foo|bar=|}</root>" ],
 115                         [ "{{Foo|} Bar=", "<root>{{Foo|} Bar=</root>" ],
 116                         [ "{{Foo|} Bar=}}", "<root><template><title>Foo</title><part><name>} Bar</name>=<value></value></part></template></root>" ],
 117                         /* [ file_get_contents( __DIR__ . '/QuoteQuran.txt' ], file_get_contents( __DIR__ . '/QuoteQuranExpanded.txt' ) ], */
 118                 ];
 119                 // @codingStandardsIgnoreEnd
 120         }
 121
 122         /**
 123          * Get XML preprocessor tree from the preprocessor (which may not be the
 124          * native XML-based one).
 125          *
 126          * @param string $wikiText
 127          * @return string
 128          */
 129         protected function preprocessToXml( $wikiText ) {
 130                 if ( method_exists( $this->mPreprocessor, 'preprocessToXml' ) ) {
 131                         return $this->normalizeXml( $this->mPreprocessor->preprocessToXml( $wikiText ) );
 132                 }
 133
 134                 $dom = $this->mPreprocessor->preprocessToObj( $wikiText );
 135                 if ( is_callable( [ $dom, 'saveXML' ] ) ) {
 136                         return $dom->saveXML();
 137                 } else {
 138                         return $this->normalizeXml( $dom->__toString() );
 139                 }
 140         }
 141
 142         /**
 143          * Normalize XML string to the form that a DOMDocument saves out.
 144          *
 145          * @param string $xml
 146          * @return string
 147          */
 148         protected function normalizeXml( $xml ) {
 149                 return preg_replace( '!<([a-z]+)/>!', '<$1></$1>', str_replace( ' />', '/>', $xml ) );
 150         }
 151
 152         /**
 153          * @dataProvider provideCases
 154          * @covers Preprocessor_DOM::preprocessToXml
 155          */
 156         public function testPreprocessorOutput( $wikiText, $expectedXml ) {
 157                 $this->assertEquals( $this->normalizeXml( $expectedXml ), $this->preprocessToXml( $wikiText ) );
 158         }
 159
 160         /**
 161          * These are more complex test cases taken out of wiki articles.
 162          */
 163         public static function provideFiles() {
 164                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 165                 return [
 166                         [ "QuoteQuran" ], # http://en.wikipedia.org/w/index.php?title=Template:QuoteQuran/sandbox&oldid=237348988 GFDL + CC BY-SA by Striver
 167                         [ "Factorial" ], # http://en.wikipedia.org/w/index.php?title=Template:Factorial&oldid=98548758 GFDL + CC BY-SA by Polonium
 168                         [ "All_system_messages" ], # http://tl.wiktionary.org/w/index.php?title=Suleras:All_system_messages&oldid=2765 GPL text generated by MediaWiki
 169                         [ "Fundraising" ], # http://tl.wiktionary.org/w/index.php?title=MediaWiki:Sitenotice&oldid=5716 GFDL + CC BY-SA, copied there by Sky Harbor.
 170                         [ "NestedTemplates" ], # bug 27936
 171                 ];
 172                 // @codingStandardsIgnoreEnd
 173         }
 174
 175         /**
 176          * @dataProvider provideFiles
 177          * @covers Preprocessor_DOM::preprocessToXml
 178          */
 179         public function testPreprocessorOutputFiles( $filename ) {
 180                 $folder = __DIR__ . "/../../../parser/preprocess";
 181                 $wikiText = file_get_contents( "$folder/$filename.txt" );
 182                 $output = $this->preprocessToXml( $wikiText );
 183
 184                 $expectedFilename = "$folder/$filename.expected";
 185                 if ( file_exists( $expectedFilename ) ) {
 186                         $expectedXml = $this->normalizeXml( file_get_contents( $expectedFilename ) );
 187                         $this->assertEquals( $expectedXml, $output );
 188                 } else {
 189                         $tempFilename = tempnam( $folder, "$filename." );
 190                         file_put_contents( $tempFilename, $output );
 191                         $this->markTestIncomplete( "File $expectedFilename missing. Output stored as $tempFilename" );
 192                 }
 193         }
 194
 195         /**
 196          * Tests from T30642 · https://phabricator.wikimedia.org/T30642
 197          */
 198         public static function provideHeadings() {
 199                 // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
 200                 return [ /* These should become headings: */
 201                         [ "== h ==<!--c1-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment></h></root>" ],
 202                         [ "== h ==      <!--c1-->", "<root><h level=\"2\" i=\"1\">== h ==       <comment>&lt;!--c1--&gt;</comment></h></root>" ],
 203                         [ "== h ==<!--c1-->     ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>      </h></root>" ],
 204                         [ "== h ==      <!--c1-->       ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment>      </h></root>" ],
 205                         [ "== h ==<!--c1--><!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment></h></root>" ],
 206                         [ "== h ==      <!--c1--><!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==      <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment></h></root>" ],
 207                         [ "== h ==<!--c1--><!--c2-->    ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>    </h></root>" ],
 208                         [ "== h ==      <!--c1--><!--c2-->      ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>    </h></root>" ],
 209                         [ "== h ==      <!--c1-->  <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==    <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 210                         [ "== h ==<!--c1-->  <!--c2-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  </h></root>" ],
 211                         [ "== h ==      <!--c1-->  <!--c2-->    ", "<root><h level=\"2\" i=\"1\">== h ==        <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  </h></root>" ],
 212                         [ "== h ==<!--c1--><!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 213                         [ "== h ==<!--c1-->  <!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 214                         [ "== h ==<!--c1--><!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 215                         [ "== h ==<!--c1-->  <!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 216                         [ "== h ==  <!--c1--><!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 217                         [ "== h ==  <!--c1-->  <!--c2--><!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment></h></root>" ],
 218                         [ "== h ==  <!--c1--><!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 219                         [ "== h ==  <!--c1-->  <!--c2-->  <!--c3-->", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment></h></root>" ],
 220                         [ "== h ==<!--c1--><!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 221                         [ "== h ==<!--c1-->  <!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 222                         [ "== h ==<!--c1--><!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 223                         [ "== h ==<!--c1-->  <!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 224                         [ "== h ==  <!--c1--><!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 225                         [ "== h ==  <!--c1-->  <!--c2--><!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 226                         [ "== h ==  <!--c1--><!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 227                         [ "== h ==  <!--c1-->  <!--c2-->  <!--c3-->  ", "<root><h level=\"2\" i=\"1\">== h ==  <comment>&lt;!--c1--&gt;</comment>  <comment>&lt;!--c2--&gt;</comment>  <comment>&lt;!--c3--&gt;</comment>  </h></root>" ],
 228                         [ "== h ==<!--c1-->     <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>     <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 229                         [ "== h ==      <!--c1-->       <!--c2-->", "<root><h level=\"2\" i=\"1\">== h ==       <comment>&lt;!--c1--&gt;</comment>      <comment>&lt;!--c2--&gt;</comment></h></root>" ],
 230                         [ "== h ==<!--c1-->     <!--c2-->       ", "<root><h level=\"2\" i=\"1\">== h ==<comment>&lt;!--c1--&gt;</comment>      <comment>&lt;!--c2--&gt;</comment>      </h></root>" ],
 231
 232                         /* These are not working: */
 233                         [ "== h == x <!--c1--><!--c2--><!--c3-->  ", "<root>== h == x <comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </root>" ],
 234                         [ "== h ==<!--c1--> x <!--c2--><!--c3-->  ", "<root>== h ==<comment>&lt;!--c1--&gt;</comment> x <comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment>  </root>" ],
 235                         [ "== h ==<!--c1--><!--c2--><!--c3--> x ", "<root>== h ==<comment>&lt;!--c1--&gt;</comment><comment>&lt;!--c2--&gt;</comment><comment>&lt;!--c3--&gt;</comment> x </root>" ],
 236                 ];
 237                 // @codingStandardsIgnoreEnd
 238         }
 239
 240         /**
 241          * @dataProvider provideHeadings
 242          * @covers Preprocessor_DOM::preprocessToXml
 243          */
 244         public function testHeadings( $wikiText, $expectedXml ) {
 245                 $this->assertEquals( $this->normalizeXml( $expectedXml ), $this->preprocessToXml( $wikiText ) );
 246         }
 247 }