XmlTypeCheckTest.php

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<?php
class XmlTypeCheckTest extends PHPUnit\Framework\TestCase {
 
    use MediaWikiCoversValidator;
 
    const WELL_FORMED_XML = "<root><child /></root>";
    const MAL_FORMED_XML = "<root><child /></error>";
    // phpcs:ignore Generic.Files.LineLength
    const XML_WITH_PIH = '<?xml version="1.0"?><?xml-stylesheet type="text/xsl" href="/w/index.php"?><svg><child /></svg>';
 
    public function testWellFormedXML() {
        $testXML = XmlTypeCheck::newFromString( self::WELL_FORMED_XML );
        $this->assertTrue( $testXML->wellFormed );
        $this->assertEquals( 'root', $testXML->getRootElement() );
    }
 
    public function testMalFormedXML() {
        $testXML = XmlTypeCheck::newFromString( self::MAL_FORMED_XML );
        $this->assertFalse( $testXML->wellFormed );
    }
 
    public function testRecursiveEntity() {
        $xml = <<<'XML'
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE foo [
    <!ENTITY test "&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;&a;">
    <!ENTITY a "&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;&b;">
    <!ENTITY b "&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;&c;">
    <!ENTITY c "&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;&d;">
    <!ENTITY d "&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;&e;">
    <!ENTITY e "&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;&f;">
    <!ENTITY f "&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;&g;">
    <!ENTITY g "-00000000000000000000000000000000000000000000000000000000000000000000000-">
]>
<foo>
<bar>&test;</bar>
</foo>
XML;
        $check = XmlTypeCheck::newFromString( $xml );
        $this->assertFalse( $check->wellFormed );
    }
 
    public function testProcessingInstructionHandler() {
        $called = false;
        $testXML = new XmlTypeCheck(
            self::XML_WITH_PIH,
            null,
            false,
            [
                'processing_instruction_handler' => function () use ( &$called ) {
                    $called = true;
                }
            ]
        );
        $this->assertTrue( $called );
    }
 
}