ExportTest.php

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<?php
 
class ExportTest extends MediaWikiLangTestCase {
 
    protected function setUp() {
        parent::setUp();
        $this->setMwGlobals( [
            'wgCapitalLinks' => true,
        ] );
    }
 
    public function testPageByTitle() {
        global $wgContLang;
        $pageTitle = 'UTPage';
 
        $exporter = new WikiExporter(
            $this->db,
            WikiExporter::FULL
        );
 
        $title = Title::newFromText( $pageTitle );
 
        $sink = new DumpStringOutput;
        $exporter->setOutputSink( $sink );
        $exporter->openStream();
        $exporter->pageByTitle( $title );
        $exporter->closeStream();
 
        $oldDisable = libxml_disable_entity_loader( true );
 
        // This throws error if invalid xml output
        $xmlObject = simplexml_load_string( $sink );
 
        libxml_disable_entity_loader( $oldDisable );
 
        foreach ( $xmlObject->siteinfo->namespaces->children() as $namespace ) {
            // Get the text content of the SimpleXMLElement
            $xmlNamespaces[] = (string)$namespace;
        }
        $xmlNamespaces = str_replace( ' ', '_', $xmlNamespaces );
 
        $actualNamespaces = (array)$wgContLang->getNamespaces();
        $actualNamespaces = array_values( $actualNamespaces );
        $this->assertEquals( $actualNamespaces, $xmlNamespaces );
 
        // Check xml page title correct
        $xmlTitle = (array)$xmlObject->page->title;
        $this->assertEquals( $pageTitle, $xmlTitle[0] );
 
        // Check xml page text is not empty
        $text = (array)$xmlObject->page->revision->text;
        $this->assertNotEquals( '', $text[0] );
    }
 
}