ClassLoaderTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Core;

use org\bovigo\vfs\vfsStream;

class ClassLoaderTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    protected $typo3CacheManager = NULL;

    protected $fakedExtensions = array();

    protected $classLoader;

    protected $orinalClassAliasMap;

    public static $testClassWasLoaded = FALSE;

    public function setUp() {
        vfsStream::setup('Test');

        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/composer.json', '{"name": "acme/myapp", "type": "flow-test"}');
        $package1 = new \TYPO3\Flow\Package\Package($this->getMock('TYPO3\Flow\Package\PackageManager'), 'Acme.MyApp', 'vfs://Test/Packages/Application/Acme.MyApp/', 'Classes');

        mkdir('vfs://Test/Packages/Application/Acme.MyAppAddon/Classes/', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyAppAddon/composer.json', '{"name": "acme/myappaddon", "type": "flow-test"}');
        $package2 = new \TYPO3\Flow\Package\Package($this->getMock('TYPO3\Flow\Package\PackageManager'), 'Acme.MyAppAddon', 'vfs://Test/Packages/Application/Acme.MyAppAddon/', 'Classes');

        $mockClassAliasMap = $this->getMock('TYPO3\\CMS\\Core\\Core\\ClassAliasMap', array('setPackagesButDontBuildMappingFilesReturnClassNameToAliasMappingInstead', 'buildMappingFiles'), array(), '', FALSE);
        $mockClassAliasMap->expects($this->any())->method('setPackagesButDontBuildMappingFilesReturnClassNameToAliasMappingInstead')->will($this->returnValue(array()));

        $this->orinalClassAliasMap = \TYPO3\CMS\Core\Core\Bootstrap::getInstance()->getEarlyInstance('TYPO3\\CMS\\Core\\Core\\ClassAliasMap');
        $this->classLoader = new \TYPO3\CMS\Core\Core\ClassLoader(\TYPO3\CMS\Core\Core\Bootstrap::getInstance()->getApplicationContext());
        $this->classLoader->injectClassAliasMap($mockClassAliasMap);
        $this->classLoader->setPackages(array('Acme.MyApp' => $package1, 'Acme.MyAppAddon' => $package2));
    }

    public function tearDown() {
        $this->classLoader->injectClassAliasMap($this->orinalClassAliasMap);
        parent::tearDown();
    }

    protected function createFakeExtension() {
        $extKey = strtolower($this->getUniqueId('testing'));
        $absExtPath = PATH_site . 'typo3temp/' . $extKey . '/';
        $relPath = 'typo3temp/' . $extKey . '/';
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir($absExtPath);
        $GLOBALS['TYPO3_LOADED_EXT'][$extKey] = array(
            'siteRelPath' => $relPath
        );
        $this->fakedExtensions[] = $extKey;
        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::clearExtensionKeyMap();
        return $extKey;
    }

    public function classesFromSubDirectoriesAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/SubDirectory', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/SubDirectory/ClassInSubDirectory.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme\MyApp\SubDirectory\ClassInSubDirectory');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function classesFromDeeplyNestedSubDirectoriesAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/SubDirectory/A/B/C/D', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/SubDirectory/A/B/C/D/E.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme\MyApp\SubDirectory\A\B\C\D\E');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function classesFromSubMatchingPackagesAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyAppAddon/Classes/Acme/MyAppAddon', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyAppAddon/Classes/Acme/MyAppAddon/Class.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme\MyAppAddon\Class');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function classesWithUnderscoresAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/Foo.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme\MyApp_Foo');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function namespaceWithUnderscoresAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/My_Underscore', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/My_Underscore/Foo.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme\MyApp\My_Underscore\Foo');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function classesWithOnlyUnderscoresAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/UnderscoredOnly.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('Acme_MyApp_UnderscoredOnly');
        $this->assertTrue(self::$testClassWasLoaded);
    }

    public function classesWithLeadingBackslashAreLoaded() {
        mkdir('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp', 0770, TRUE);
        file_put_contents('vfs://Test/Packages/Application/Acme.MyApp/Classes/Acme/MyApp/WithLeadingBackslash.php', '<?php ' . __CLASS__ . '::$testClassWasLoaded = TRUE; ?>');

        self::$testClassWasLoaded = FALSE;
        $this->classLoader->loadClass('\Acme\MyApp\WithLeadingBackslash');
        $this->assertTrue(self::$testClassWasLoaded);
    }

}