<?php

/**
 * Test class for Export methods.
 *
 * @group Database
 *
 * @author Isaac Hutt <mhutti1@gmail.com>
 */
class ExportTest extends MediaWikiLangTestCase {

	protected function setUp() {
		parent::setUp();
		$this->setMwGlobals( array(
			'wgContLang' => Language::factory( 'en' ),
			'wgLanguageCode' => 'en',
			'wgCapitalLinks' => true,
		) );
	}

	/**
	 * @covers WikiExporter::pageByTitle
	 */
	public function testPageByTitle() {
		global $wgContLang;
		$pageTitle = 'UTPage';

		$exporter = new WikiExporter(
			$this->db,
			WikiExporter::FULL
		);

		$title = Title::newFromText( $pageTitle );

		ob_start();
		$exporter->openStream();
		$exporter->pageByTitle( $title );
		$exporter->closeStream();
		$xmlString = ob_get_clean();

		// This throws error if invalid xml output
		$xmlObject = simplexml_load_string( $xmlString );

		/**
		 * Check namespaces match xml
		 * FIXME: PHP 5.3 support. When we don't support PHP 5.3,
		 * add ->namespace to object and remove from array
		 */
		$xmlNamespaces = (array) $xmlObject->siteinfo->namespaces;
		$xmlNamespaces = str_replace( ' ', '_', $xmlNamespaces['namespace'] );
		unset ( $xmlNamespaces[ '@attributes' ] );
		foreach ( $xmlNamespaces as &$namespaceObject ) {
			if ( is_object( $namespaceObject ) ) {
				$namespaceObject = '';
			}
		}

		$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] );
	}

}