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<?php
namespace MediaWiki\Tests\Parser;
use MediaWiki\Parser\Parser;
use MediaWiki\Parser\StripState;
use MediaWikiIntegrationTestCase;
/**
* @covers \MediaWiki\Parser\StripState
*/
class StripStateTest extends MediaWikiIntegrationTestCase {
private int $markerValue = 0;
protected function setUp(): void {
parent::setUp();
$this->setContentLang( 'qqx' );
$this->markerValue = 0;
}
private function getMarker() {
$i = $this->markerValue++;
return Parser::MARKER_PREFIX . '-blah-' . sprintf( '%08X', $i ) . Parser::MARKER_SUFFIX;
}
private static function getWarning( $message, $max = '' ) {
return "<span class=\"error\">($message: $max)</span>";
}
public function testAddNoWiki() {
$ss = new StripState;
$marker = $this->getMarker();
$ss->addNoWiki( $marker, '<>' );
$text = "x{$marker}y";
$text = $ss->unstripGeneral( $text );
$text = str_replace( '<', '', $text );
$text = $ss->unstripNoWiki( $text );
$this->assertSame( 'x<>y', $text );
}
public function testAddGeneral() {
$ss = new StripState;
$marker = $this->getMarker();
$ss->addGeneral( $marker, '<>' );
$text = "x{$marker}y";
$text = $ss->unstripNoWiki( $text );
$text = str_replace( '<', '', $text );
$text = $ss->unstripGeneral( $text );
$this->assertSame( 'x<>y', $text );
}
public function testUnstripBoth() {
$ss = new StripState;
$mk1 = $this->getMarker();
$mk2 = $this->getMarker();
$ss->addNoWiki( $mk1, '<1>' );
$ss->addGeneral( $mk2, '<2>' );
$text = "x{$mk1}{$mk2}y";
$text = str_replace( '<', '', $text );
$text = $ss->unstripBoth( $text );
$this->assertSame( 'x<1><2>y', $text );
}
public static function provideUnstripRecursive() {
return [
[ 0, 'text' ],
[ 1, '=text=' ],
[ 2, '==text==' ],
[ 3, '==' . self::getWarning( 'unstrip-depth-warning', 2 ) . '==' ],
];
}
/** @dataProvider provideUnstripRecursive */
public function testUnstripRecursive( $depth, $expected ) {
$ss = new StripState( null, [ 'depthLimit' => 2 ] );
$text = 'text';
for ( $i = 0; $i < $depth; $i++ ) {
$mk = $this->getMarker();
$ss->addNoWiki( $mk, "={$text}=" );
$text = $mk;
}
$text = $ss->unstripNoWiki( $text );
$this->assertSame( $expected, $text );
}
public function testUnstripLoop() {
$ss = new StripState( null, [ 'depthLimit' => 2 ] );
$mk = $this->getMarker();
$ss->addNoWiki( $mk, $mk );
$text = $ss->unstripNoWiki( $mk );
$this->assertSame( self::getWarning( 'parser-unstrip-loop-warning' ), $text );
}
public static function provideUnstripSize() {
return [
[ 0, 'x' ],
[ 1, 'xx' ],
[ 2, str_repeat( self::getWarning( 'unstrip-size-warning', 5 ), 2 ) ]
];
}
/** @dataProvider provideUnstripSize */
public function testUnstripSize( $depth, $expected ) {
$ss = new StripState( null, [ 'sizeLimit' => 5 ] );
$text = 'x';
for ( $i = 0; $i < $depth; $i++ ) {
$mk = $this->getMarker();
$ss->addNoWiki( $mk, $text );
$text = "$mk$mk";
}
$text = $ss->unstripNoWiki( $text );
$this->assertSame( $expected, $text );
}
public static function provideGetLimitReport() {
for ( $i = 1; $i < 4; $i++ ) {
yield [ $i ];
}
}
/** @dataProvider provideGetLimitReport */
public function testGetLimitReport( $depth ) {
$sizeLimit = 100000;
$ss = new StripState( null, [ 'depthLimit' => 5, 'sizeLimit' => $sizeLimit ] );
$text = 'x';
for ( $i = 0; $i < $depth; $i++ ) {
$mk = $this->getMarker();
$ss->addNoWiki( $mk, $text );
$text = "$mk$mk";
}
$text = $ss->unstripNoWiki( $text );
$report = $ss->getLimitReport();
$messages = [];
foreach ( $report as [ $msg, $params ] ) {
$messages[$msg] = $params;
}
$this->assertSame( [ $depth - 1, 5 ], $messages['limitreport-unstrip-depth'] );
$this->assertSame(
[
strlen( $this->getMarker() ) * 2 * ( pow( 2, $depth ) - 2 ) + pow( 2, $depth ),
$sizeLimit
],
$messages['limitreport-unstrip-size' ] );
}
public function testReplaceNowikis() {
$ss = new StripState();
// Note that unlike other uses of addNowiki, these add the original source
// with the nowiki wrappers. When wikitext is being processed, the parser
// uses strip markers in this fashion.
$s1 = "[[Foo]]";
$nowikiS1 = "<nowiki>$s1</nowiki>";
$m1 = $this->getMarker();
$ss->addNoWiki( $m1, $nowikiS1 );
$s2 = "[[Foo]]";
$nowikiS2 = "<nowiki>$s2</nowiki>";
$m2 = $this->getMarker();
$ss->addNoWiki( $m2, $nowikiS2 );
$s3 = "";
$nowikiS3 = "<nowiki />";
$m3 = $this->getMarker();
$ss->addNoWiki( $m3, $nowikiS3 );
$text = "$s1; $s2; $s3";
$strippedText = "$m1; $m2; $m3";
$unstrippedText = "$nowikiS1; $nowikiS2; $nowikiS3";
$this->assertSame( $ss->unstripGeneral( $strippedText ), $strippedText );
$this->assertSame( $ss->unstripNoWiki( $strippedText ), $unstrippedText );
$out1 = $ss->replaceNoWikis( $strippedText, static function ( $s ) {
return $s;
} );
$this->assertSame( $out1, $unstrippedText );
// Simulate Scribunto lua modules use of unstripNowiki
$out2 = $ss->replaceNoWikis( $strippedText, static function ( $s ) {
return preg_replace( "#</?nowiki[^>]*>#", '', $s );
} );
$this->assertSame( $out2, $text );
}
public function testSplitSimple() {
// "Raw HTML" nowiki strip marker
$ss = new StripState();
$rawHtml = "<span>foo</span>";
$m1 = $this->getMarker();
$ss->addNoWiki( $m1, $rawHtml );
$expected = [
[ 'type' => 'string', 'content' => 'abc ' ],
[ 'type' => 'nowiki', 'content' => $rawHtml, 'extra' => null, 'marker' => $m1 ],
[ 'type' => 'string', 'content' => ' def' ],
];
$this->assertSame( $expected, $ss->split( "abc $m1 def" ) );
// "nowiki" nowiki strip marker
$ss = new StripState();
$m2 = $this->getMarker();
$nowiki = "''foo''";
$ss->addNoWiki( $m2, $nowiki, 'nowiki' );
$text = "abc $m2 def";
$r2 = $ss->split( $text );
$expected = [
[ 'type' => 'string', 'content' => 'abc ' ],
[ 'type' => 'nowiki', 'content' => $nowiki, 'extra' => 'nowiki', 'marker' => $m2 ],
[ 'type' => 'string', 'content' => ' def' ],
];
$this->assertSame( $expected, $r2 );
// "nowiki" empty nowiki strip marker
$ss = new StripState();
$m2 = $this->getMarker();
$nowiki = "";
$ss->addNoWiki( $m2, $nowiki, 'nowiki' );
$text = "abc $m2 def";
$r2 = $ss->split( $text );
$expected = [
[ 'type' => 'string', 'content' => 'abc ' ],
[ 'type' => 'nowiki', 'content' => '', 'extra' => 'nowiki', 'marker' => $m2 ],
[ 'type' => 'string', 'content' => ' def' ],
];
$this->assertSame( $expected, $r2 );
// exttag strip marker
$ref = "<ref>foo</ref>";
$m3 = $this->getMarker();
$ss->addExtTag( $m3, $ref );
$text .= $m3;
$r3 = $ss->split( $text );
$expected = array_merge( $expected, [
[ 'type' => 'string', 'content' => $ref ],
[ 'type' => 'string', 'content' => '' ]
] );
$this->assertSame( $expected, $r3 );
}
public function testSplitRecursive() {
$ss = new StripState();
$ref = "<ref>foo</ref>";
$m1 = $this->getMarker();
$ss->addExtTag( $m1, $ref );
$poem = "<poem>foo $m1</poem>";
$m2 = $this->getMarker();
$ss->addExtTag( $m2, $poem );
$text = "abc $m2";
$expected = [
[ 'type' => 'string', 'content' => 'abc ' ],
[ 'type' => 'string', 'content' => '<poem>foo ' ],
[ 'type' => 'string', 'content' => $ref ],
[ 'type' => 'string', 'content' => '</poem>' ],
[ 'type' => 'string', 'content' => '' ],
];
$result = $ss->split( $text );
$this->assertSame( $expected, $result );
}
}
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