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<?php
class AutoLoaderTest extends MediaWikiTestCase {
protected function setUp() {
parent::setUp();
// Fancy dance to trigger a rebuild of AutoLoader::$autoloadLocalClassesLower
$this->mergeMwGlobalArrayValue( 'wgAutoloadLocalClasses', array(
'TestAutoloadedLocalClass' =>
__DIR__ . '/../data/autoloader/TestAutoloadedLocalClass.php',
'TestAutoloadedCamlClass' =>
__DIR__ . '/../data/autoloader/TestAutoloadedCamlClass.php',
'TestAutoloadedSerializedClass' =>
__DIR__ . '/../data/autoloader/TestAutoloadedSerializedClass.php',
) );
AutoLoader::resetAutoloadLocalClassesLower();
$this->mergeMwGlobalArrayValue( 'wgAutoloadClasses', array(
'TestAutoloadedClass' => __DIR__ . '/../data/autoloader/TestAutoloadedClass.php',
) );
}
/**
* Assert that there were no classes loaded that are not registered with the AutoLoader.
*
* For example foo.php having class Foo and class Bar but only registering Foo.
* This is important because we should not be relying on Foo being used before Bar.
*/
public function testAutoLoadConfig() {
$results = self::checkAutoLoadConf();
$this->assertEquals(
$results['expected'],
$results['actual']
);
}
protected static function checkAutoLoadConf() {
global $wgAutoloadLocalClasses, $wgAutoloadClasses, $IP;
// wgAutoloadLocalClasses has precedence, just like in includes/AutoLoader.php
$expected = $wgAutoloadLocalClasses + $wgAutoloadClasses;
$actual = array();
$files = array_unique( $expected );
foreach ( $files as $class => $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 ( !file_exists( $filePath ) ) {
$actual[$class] = "[file '$filePath' does not exist]";
continue;
}
wfSuppressWarnings();
$contents = file_get_contents( $filePath );
wfRestoreWarnings();
if ( $contents === false ) {
$actual[$class] = "[couldn't read file '$filePath']";
continue;
}
// We could use token_get_all() here, but this is faster
$matches = array();
preg_match_all( '/
^ [\t ]* (?:
(?:final\s+)? (?:abstract\s+)? (?:class|interface) \s+
(?P<class> [a-zA-Z0-9_]+)
|
class_alias \s* \( \s*
([\'"]) (?P<original> [^\'"]+) \g{-2} \s* , \s*
([\'"]) (?P<alias> [^\'"]+ ) \g{-2} \s*
\) \s* ;
)
/imx', $contents, $matches, PREG_SET_ORDER );
$namespaceMatch = array();
preg_match( '/
^ [\t ]*
namespace \s+
([a-zA-Z0-9_]+(\\\\[a-zA-Z0-9_]+)*)
\s* ;
/imx', $contents, $namespaceMatch );
$fileNamespace = $namespaceMatch ? $namespaceMatch[1] . '\\' : '';
$classesInFile = array();
$aliasesInFile = array();
foreach ( $matches as $match ) {
if ( !empty( $match['class'] ) ) {
$class = $fileNamespace . $match['class'];
$actual[$class] = $file;
$classesInFile[$class] = true;
} else {
$aliasesInFile[$match['alias']] = $match['original'];
}
}
// Only accept aliases for classes in the same file, because for correct
// behavior, all aliases for a class must be set up when the class is loaded
// (see <https://bugs.php.net/bug.php?id=61422>).
foreach ( $aliasesInFile as $alias => $class ) {
if ( isset( $classesInFile[$class] ) ) {
$actual[$alias] = $file;
} else {
$actual[$alias] = "[original class not in $file]";
}
}
}
return array(
'expected' => $expected,
'actual' => $actual,
);
}
function testCoreClass() {
$this->assertTrue( class_exists( 'TestAutoloadedLocalClass' ) );
}
function testExtensionClass() {
$this->assertTrue( class_exists( 'TestAutoloadedClass' ) );
}
function testWrongCaseClass() {
$this->setMwGlobals( 'wgAutoloadAttemptLowercase', true );
$this->assertTrue( class_exists( 'testautoLoadedcamlCLASS' ) );
}
function testWrongCaseSerializedClass() {
$this->setMwGlobals( 'wgAutoloadAttemptLowercase', true );
$dummyCereal = 'O:29:"testautoloadedserializedclass":0:{}';
$uncerealized = unserialize( $dummyCereal );
$this->assertFalse( $uncerealized instanceof __PHP_Incomplete_Class,
"unserialize() can load classes case-insensitively." );
}
}
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