AutoLoaderTest.php

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<?php
class AutoLoaderTest extends MediaWikiTestCase {

    public function testAutoLoadConfig() {
        $results = self::checkAutoLoadConf();

        $this->assertEquals(
            $results['expected'],
            $results['actual']
        );
    }

    protected static function checkAutoLoadConf() {
        global $wgAutoloadLocalClasses, $wgAutoloadClasses, $IP;
        $supportsParsekit = function_exists( 'parsekit_compile_file' );

        // wgAutoloadLocalClasses has precedence, just like in includes/AutoLoader.php
        $expected = $wgAutoloadLocalClasses + $wgAutoloadClasses;
        $actual = array();

        $files = array_unique( $expected );

        foreach ( $files as $file ) {
            // Only prefix $IP if it doesn't have it already.
            // Generally local classes don't have it, and those from extensions and test suites do.
            if ( substr( $file, 0, 1 ) != '/' && substr( $file, 1, 1 ) != ':' ) {
                $filePath = "$IP/$file";
            } else {
                $filePath = $file;
            }
            if ( $supportsParsekit ) {
                $parseInfo = parsekit_compile_file( "$filePath" );
                $classes = array_keys( $parseInfo['class_table'] );
            } else {
                $contents = file_get_contents( "$filePath" );
                $m = array();
                preg_match_all( '/\n\s*(?:final)?\s*(?:abstract)?\s*(?:class|interface)\s+([a-zA-Z0-9_]+)/', $contents, $m, PREG_PATTERN_ORDER );
                $classes = $m[1];
            }
            foreach ( $classes as $class ) {
                $actual[$class] = $file;
            }
        }

        return array(
            'expected' => $expected,
            'actual' => $actual,
        );
    }
}