111 lines
3.4 KiB
PHP
111 lines
3.4 KiB
PHP
<?php
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/**
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* Test the database access and core functionality of MathRenderer.
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*
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* @group Math
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* @group Database (Used by needsDB)
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*/
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class MathLaTeXMLDatabaseTest extends MediaWikiTestCase {
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public $renderer;
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const SOME_TEX = "a+b";
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const SOME_HTML = "a<sub>b</sub>";
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const SOME_MATHML = "iℏ∂_tΨ=H^Ψ<mrow><\ci>";
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const SOME_LOG = "Sample Log Text.";
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const SOME_TIMESTAMP = 1272509157;
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const SOME_SVG = "<?xml </svg >>%%LIKE;'\" DROP TABLE math;";
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/**
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* Helper function to test protected/private Methods
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* @param $name
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* @return ReflectionMethod
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*/
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protected static function getMethod($name) {
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$class = new ReflectionClass('MathLaTeXML');
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$method = $class->getMethod($name);
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$method->setAccessible(true);
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return $method;
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}
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/**
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* creates a new database connection and a new math renderer
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* TODO: Check if there is a way to get database access without creating
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* the connection to the database explicitly
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* function addDBData() {
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* $this->tablesUsed[] = 'math';
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* }
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* was not sufficient.
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*/
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protected function setup() {
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parent::setUp();
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// TODO: figure out why this is necessary
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$this->db = wfGetDB( DB_MASTER );
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// Create a new instance of MathSource
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$this->renderer = new MathLaTeXML( self::SOME_TEX );
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self::setupTestDB( $this->db, "mathtest" );
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}
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/**
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* Checks the tex and hash functions
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* @covers MathRenderer::getInputHash()
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*/
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public function testInputHash() {
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$expectedhash = $this->db->encodeBlob( pack( "H32", md5( self::SOME_TEX ) ) );
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$this->assertEquals( $expectedhash, $this->renderer->getInputHash() );
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}
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/**
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* Helper function to set the current state of the sample renderer instance to the test values
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*/
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public function setValues() {
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// set some values
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$this->renderer->setTex( self::SOME_TEX );
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$this->renderer->setMathml( self::SOME_MATHML );
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}
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/**
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* @covers MathLaTeXML::getMathTableName
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*/
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public function testTableName() {
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$fnGetMathTableName = self::getMethod( 'getMathTableName' );
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$obj = new MathLaTeXML();
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$tableName = $fnGetMathTableName->invokeArgs( $obj, array() );
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$this->assertEquals( $tableName, "mathlatexml", "Wrong latexml table name" );
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}
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/**
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* Checks the creation of the math table.
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* @covers MathHooks::onLoadExtensionSchemaUpdates
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*/
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public function testCreateTable() {
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$this->setMwGlobals( 'wgMathValidModes', array( 'latexml' ) );
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$this->db->dropTable( "mathlatexml", __METHOD__ );
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$dbu = DatabaseUpdater::newForDB( $this->db );
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$dbu->doUpdates( array( "extensions" ) );
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$this->expectOutputRegex( '/(.*)Creating mathlatexml table(.*)/' );
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$this->setValues();
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$this->renderer->writeToDatabase();
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$res = $this->db->select( "mathlatexml", "*" );
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$row = $res->fetchRow();
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$this->assertEquals( 12, sizeof( $row ) );
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}
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/**
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* Checks database access. Writes an entry and reads it back.
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* @depends testCreateTable
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* @covers MathRenderer::writeDatabaseEntry()
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* @covers MathRenderer::readDatabaseEntry()
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*/
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public function testDBBasics() {
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$this->setValues();
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$this->renderer->writeToDatabase();
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$renderer2 = $this->renderer = new MathLaTeXML( self::SOME_TEX );
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$renderer2->readFromDatabase();
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// comparing the class object does now work due to null values etc.
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$this->assertEquals( $this->renderer->getTex(), $renderer2->getTex(), "test if tex is the same" );
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$this->assertEquals( $this->renderer->getMathml(), $renderer2->getMathml(), "Check MathML encoding" );
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}
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}
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