194 lines
7.7 KiB
PHP
194 lines
7.7 KiB
PHP
<?php
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use MediaWiki\Logger\LoggerFactory;
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/**
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* MediaWiki math extension
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*
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* @copyright 2002-2015 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz,
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* and other MediaWiki contributors
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* @license GPL-2.0-or-later
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* @author Moritz Schubotz
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*/
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class SpecialMathStatus extends SpecialPage {
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public function __construct( $name = 'MathStatus' ) {
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parent::__construct( $name );
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}
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/**
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* @param null|string $query
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*
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* @throws MWException
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* @throws PermissionsError
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*/
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function execute( $query ) {
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$this->setHeaders();
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if ( ! ( $this->getUser()->isAllowed( 'purge' ) ) ) {
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// The effect of loading this page is comparable to purge a page.
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// If desired a dedicated right e.g. "viewmathstatus" could be used instead.
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throw new PermissionsError( 'purge' );
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}
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$out = $this->getOutput();
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$enabledMathModes = MathHooks::getMathNames();
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$out->addWikiMsg( 'math-status-introduction', count( $enabledMathModes ) );
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foreach ( $enabledMathModes as $modeNr => $modeName ) {
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$out->addWikiTextAsInterface( "=== $modeName ===" );
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switch ( $modeNr ) {
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case 'mathml':
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$this->runMathMLTest( $modeName );
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break;
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case 'latexml':
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$this->runMathLaTeXMLTest( $modeName );
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}
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}
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}
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private function runMathMLTest( $modeName ) {
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$this->getOutput()->addWikiMsgArray( 'math-test-start', $modeName );
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$this->testSpecialCaseText();
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$this->testMathMLIntegration();
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$this->testPmmlInput();
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$this->getOutput()->addWikiMsgArray( 'math-test-end', $modeName );
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}
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private function runMathLaTeXMLTest( $modeName ) {
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$this->getOutput()->addWikiMsgArray( 'math-test-start', $modeName );
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$this->testLaTeXMLIntegration();
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$this->testLaTeXMLLinebreak();
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$this->getOutput()->addWikiMsgArray( 'math-test-end', $modeName );
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}
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public function testSpecialCaseText() {
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$renderer = MathRenderer::getRenderer( 'x^2+\text{a sample Text}', [], 'mathml' );
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$expected = 'a sample Text</mtext>';
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$this->assertTrue( $renderer->render(), 'Rendering the input "x^2+\text{a sample Text}"' );
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$this->assertContains(
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$expected, $renderer->getHtmlOutput(), 'Comparing to the reference rendering'
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);
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}
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/**
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* Checks the basic functionality
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* i.e. if the span element is generated right.
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*/
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public function testMathMLIntegration() {
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$svgRef = file_get_contents( __DIR__ . '/../images/reference.svg' );
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$svgRefNoSpeech = file_get_contents( __DIR__ . '/../images/reference-nospeech.svg' );
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$renderer = MathRenderer::getRenderer( "a+b", [], 'mathml' );
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$this->assertTrue( $renderer->render( true ), "Rendering of a+b in plain MathML mode" );
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$real = str_replace( "\n", '', $renderer->getHtmlOutput() );
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$expected = '<mo>+</mo>';
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$this->assertContains( $expected, $real, "Checking the presence of '+' in the MathML output" );
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$this->assertEquals( [ $svgRef, $svgRefNoSpeech ], $renderer->getSvg(),
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"Comparing the generated SVG with the reference"
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);
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}
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/**
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* Checks the experimental option to 'render' MathML input
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*/
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public function testPmmlInput() {
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// sample from 'Navajo Coal Combustion and Respiratory Health Near Shiprock,
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// New Mexico' in ''Journal of Environmental and Public Health'' , vol. 2010p.
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// authors Joseph E. Bunnell; Linda V. Garcia; Jill M. Furst;
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// Harry Lerch; Ricardo A. Olea; Stephen E. Suitt; Allan Kolker
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// phpcs:ignore Generic.Files.LineLength.TooLong
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$inputSample = '<msub> <mrow> <mi> P</mi> </mrow> <mrow> <mi> i</mi> <mi> j</mi> </mrow> </msub> <mo> =</mo> <mfrac> <mrow> <mn> 100</mn> <msub> <mrow> <mi> d</mi> </mrow> <mrow> <mi> i</mi> <mi> j</mi> </mrow> </msub> </mrow> <mrow> <mn> 6.75</mn> <msub> <mrow> <mi> r</mi> </mrow> <mrow> <mi> j</mi> </mrow> </msub> </mrow> </mfrac> <mo> ,</mo> </math>';
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$attribs = [ 'type' => 'pmml' ];
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$renderer = new MathMathML( $inputSample, $attribs );
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$this->assertEquals( 'pmml', $renderer->getInputType(), 'Checking if MathML input is supported' );
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$this->assertTrue( $renderer->render(), 'Rendering Presentation MathML sample' );
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$real = MathRenderer::renderMath( $inputSample, $attribs, 'mathml' );
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$expected = 'hash=5628b8248b79267ecac656102334d5e3&mode=mathml';
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$this->assertContains( $expected, $real, 'Checking if the link to SVG image is correct' );
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}
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/**
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* Checks the basic functionality
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* i.e. if the span element is generated right.
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*/
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public function testLaTeXMLIntegration() {
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$renderer = MathRenderer::getRenderer( "a+b", [], 'latexml' );
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$this->assertTrue( $renderer->render( true ), "Rendering of a+b in LaTeXML mode" );
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// phpcs:ignore Generic.Files.LineLength.TooLong
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$expected = '<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.m1" class="ltx_Math" alttext="{\displaystyle a+b}" ><semantics><mrow id="p1.m1.4" xref="p1.m1.4.cmml"><mi id="p1.m1.1" xref="p1.m1.1.cmml">a</mi><mo id="p1.m1.2" xref="p1.m1.2.cmml">+</mo><mi id="p1.m1.3" xref="p1.m1.3.cmml">b</mi></mrow><annotation-xml encoding="MathML-Content"><apply id="p1.m1.4.cmml" xref="p1.m1.4"><plus id="p1.m1.2.cmml" xref="p1.m1.2"/><ci id="p1.m1.1.cmml" xref="p1.m1.1">a</ci><ci id="p1.m1.3.cmml" xref="p1.m1.3">b</ci></apply></annotation-xml><annotation encoding="application/x-tex">{\displaystyle a+b}</annotation></semantics></math>';
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$real = preg_replace( "/\n\\s*/", '', $renderer->getHtmlOutput() );
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$this->assertContains( $expected, $real,
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"Comparing the output to the MathML reference rendering" .
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$renderer->getLastError() );
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}
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/**
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* Checks LaTeXML line break functionality
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* i.e. if a long line contains a mtr element.
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* http://www.w3.org/TR/REC-MathML/chap3_5.html#sec3.5.2
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*/
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public function testLaTeXMLLinebreak() {
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global $wgMathDefaultLaTeXMLSetting;
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$tex = '';
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$testMax = ceil( $wgMathDefaultLaTeXMLSetting[ 'linelength' ] / 2 );
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for ( $i = 0; $i < $testMax; $i++ ) {
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$tex .= "$i+";
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}
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$tex .= $testMax;
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$renderer = new MathLaTeXML( $tex, [ 'display' => 'linebreak' ] );
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$this->assertTrue( $renderer->render( true ), "Rendering of linebreak test in LaTeXML mode" );
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$expected = 'mtr';
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$real = preg_replace( "/\n\\s*/", '', $renderer->getHtmlOutput() );
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$this->assertContains( $expected, $real, "Checking for linebreak" .
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$renderer->getLastError() );
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}
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private function assertTrue( $expression, $message = '' ) {
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if ( $expression ) {
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$this->getOutput()->addWikiMsgArray( 'math-test-success', $message );
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return true;
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} else {
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$this->getOutput()->addWikiMsgArray( 'math-test-fail', $message );
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return false;
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}
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}
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private function assertContains( $expected, $real, $message = '' ) {
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if ( ! $this->assertTrue( strpos( $real, $expected ) !== false, $message ) ) {
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$this->printDiff( $expected, $real, 'math-test-contains-diff' );
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}
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}
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private function assertEquals( $expected, $real, $message = '' ) {
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if ( is_array( $expected ) ) {
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foreach ( $expected as $alternative ) {
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if ( $alternative === $real ) {
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$this->getOutput()->addWikiMsgArray( 'math-test-success', $message );
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return true;
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}
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}
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// non of the alternatives matched
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$this->getOutput()->addWikiMsgArray( 'math-test-fail', $message );
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return false;
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}
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if ( !$this->assertTrue( $expected === $real, $message ) ) {
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$this->printDiff( $expected, $real, 'math-test-equals-diff' );
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return false;
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}
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return true;
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}
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private function printDiff( $expected, $real, $message = '' ) {
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if ( ExtensionRegistry::getInstance()->isLoaded( "SyntaxHighlight" ) ) {
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$expected = "<syntaxhighlight lang=\"xml\">$expected</syntaxhighlight>";
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$real = "<syntaxhighlight lang=\"xml\">$real</syntaxhighlight>";
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$this->getOutput()->addWikiMsgArray( $message, [ $real, $expected ] );
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} else {
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LoggerFactory::getInstance( 'Math' )->warning( 'Can not display expected and real value.' .
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'SyntaxHighlight is not installed.' );
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}
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}
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protected function getGroupName() {
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return 'other';
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}
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}
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