wiki.techinc.nl/tests/phpunit/structure/SpecialPageFatalTest.php

<?php

/**
 * Test that runs against all registered special pages to make sure that regular
 * execution of the special page does not cause a fatal error.
 *
 * UTSysop is used to run as much of the special page code as possible without
 * actually knowing the details of the special page.
 *
 * @since 1.32
 * @author Addshore
 */
class SpecialPageFatalTest extends MediaWikiTestCase {

	public static function setUpBeforeClass() {
		parent::setUpBeforeClass();
		self::overrideMwServices();
	}

	public static function tearDownAfterClass() {
		self::overrideMwServices();
		parent::tearDownAfterClass();
	}

	public function provideSpecialPages() {
		$specialPages = [];
		foreach ( SpecialPageFactory::getNames() as $name ) {
			$specialPages[$name] = [ SpecialPageFactory::getPage( $name ) ];
		}
		return $specialPages;
	}

	/**
	 * @dataProvider provideSpecialPages
	 */
	public function testSpecialPageDoesNotFatal( SpecialPage $page ) {
		$executor = new SpecialPageExecutor();
		$user = User::newFromName( 'UTSysop' );

		try {
			$executor->executeSpecialPage( $page, '', null, null, $user );
		} catch ( Exception $e ) {
			// Exceptions are allowed
		}

		// If the page fataled phpunit will have already died
		$this->addToAssertionCount( 1 );
	}

}