ApcUniversalClassLoaderTest.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\ClassLoader\Tests;

use Symfony\Component\ClassLoader\ApcUniversalClassLoader;
class ApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase {
  protected function setUp() {
    if (!extension_loaded('apc')) {
      $this
        ->markTestSkipped('The apc extension is not available.');
    }
    if (!(ini_get('apc.enabled') && ini_get('apc.enable_cli'))) {
      $this
        ->markTestSkipped('The apc extension is available, but not enabled.');
    }
    else {
      apc_clear_cache('user');
    }
  }
  protected function tearDown() {
    if (ini_get('apc.enabled') && ini_get('apc.enable_cli')) {
      apc_clear_cache('user');
    }
  }
  public function testConstructor() {
    $loader = new ApcUniversalClassLoader('test.prefix.');
    $loader
      ->registerNamespace('Apc\\Namespaced', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
    $this
      ->assertEquals($loader
      ->findFile('\\Apc\\Namespaced\\FooBar'), apc_fetch('test.prefix.\\Apc\\Namespaced\\FooBar'), '__construct() takes a prefix as its first argument');
  }

  /**
   * @dataProvider getLoadClassTests
   */
  public function testLoadClass($className, $testClassName, $message) {
    $loader = new ApcUniversalClassLoader('test.prefix.');
    $loader
      ->registerNamespace('Apc\\Namespaced', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
    $loader
      ->registerPrefix('Apc_Pearlike_', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
    $loader
      ->loadClass($testClassName);
    $this
      ->assertTrue(class_exists($className), $message);
  }
  public function getLoadClassTests() {
    return array(
      array(
        '\\Apc\\Namespaced\\Foo',
        '\\Apc\\Namespaced\\Foo',
        '->loadClass() loads Apc\\Namespaced\\Foo class',
      ),
      array(
        'Apc_Pearlike_Foo',
        'Apc_Pearlike_Foo',
        '->loadClass() loads Apc_Pearlike_Foo class',
      ),
      array(
        '\\Apc\\Namespaced\\Bar',
        '\\Apc\\Namespaced\\Bar',
        '->loadClass() loads Apc\\Namespaced\\Bar class with a leading slash',
      ),
      array(
        'Apc_Pearlike_Bar',
        '\\Apc_Pearlike_Bar',
        '->loadClass() loads Apc_Pearlike_Bar class with a leading slash',
      ),
    );
  }

  /**
   * @dataProvider getLoadClassFromFallbackTests
   */
  public function testLoadClassFromFallback($className, $testClassName, $message) {
    $loader = new ApcUniversalClassLoader('test.prefix.fallback');
    $loader
      ->registerNamespace('Apc\\Namespaced', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
    $loader
      ->registerPrefix('Apc_Pearlike_', __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures');
    $loader
      ->registerNamespaceFallbacks(array(
      __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/fallback',
    ));
    $loader
      ->registerPrefixFallbacks(array(
      __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/fallback',
    ));
    $loader
      ->loadClass($testClassName);
    $this
      ->assertTrue(class_exists($className), $message);
  }
  public function getLoadClassFromFallbackTests() {
    return array(
      array(
        '\\Apc\\Namespaced\\Baz',
        '\\Apc\\Namespaced\\Baz',
        '->loadClass() loads Apc\\Namespaced\\Baz class',
      ),
      array(
        'Apc_Pearlike_Baz',
        'Apc_Pearlike_Baz',
        '->loadClass() loads Apc_Pearlike_Baz class',
      ),
      array(
        '\\Apc\\Namespaced\\FooBar',
        '\\Apc\\Namespaced\\FooBar',
        '->loadClass() loads Apc\\Namespaced\\Baz class from fallback dir',
      ),
      array(
        'Apc_Pearlike_FooBar',
        'Apc_Pearlike_FooBar',
        '->loadClass() loads Apc_Pearlike_Baz class from fallback dir',
      ),
    );
  }

  /**
   * @dataProvider getLoadClassNamespaceCollisionTests
   */
  public function testLoadClassNamespaceCollision($namespaces, $className, $message) {
    $loader = new ApcUniversalClassLoader('test.prefix.collision.');
    $loader
      ->registerNamespaces($namespaces);
    $loader
      ->loadClass($className);
    $this
      ->assertTrue(class_exists($className), $message);
  }
  public function getLoadClassNamespaceCollisionTests() {
    return array(
      array(
        array(
          'Apc\\NamespaceCollision\\A' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha',
          'Apc\\NamespaceCollision\\A\\B' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta',
        ),
        '\\Apc\\NamespaceCollision\\A\\Foo',
        '->loadClass() loads NamespaceCollision\\A\\Foo from alpha.',
      ),
      array(
        array(
          'Apc\\NamespaceCollision\\A\\B' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta',
          'Apc\\NamespaceCollision\\A' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha',
        ),
        '\\Apc\\NamespaceCollision\\A\\Bar',
        '->loadClass() loads NamespaceCollision\\A\\Bar from alpha.',
      ),
      array(
        array(
          'Apc\\NamespaceCollision\\A' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha',
          'Apc\\NamespaceCollision\\A\\B' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta',
        ),
        '\\Apc\\NamespaceCollision\\A\\B\\Foo',
        '->loadClass() loads NamespaceCollision\\A\\B\\Foo from beta.',
      ),
      array(
        array(
          'Apc\\NamespaceCollision\\A\\B' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta',
          'Apc\\NamespaceCollision\\A' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha',
        ),
        '\\Apc\\NamespaceCollision\\A\\B\\Bar',
        '->loadClass() loads NamespaceCollision\\A\\B\\Bar from beta.',
      ),
    );
  }

  /**
   * @dataProvider getLoadClassPrefixCollisionTests
   */
  public function testLoadClassPrefixCollision($prefixes, $className, $message) {
    $loader = new ApcUniversalClassLoader('test.prefix.collision.');
    $loader
      ->registerPrefixes($prefixes);
    $loader
      ->loadClass($className);
    $this
      ->assertTrue(class_exists($className), $message);
  }
  public function getLoadClassPrefixCollisionTests() {
    return array(
      array(
        array(
          'ApcPrefixCollision_A_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha/Apc',
          'ApcPrefixCollision_A_B_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta/Apc',
        ),
        'ApcPrefixCollision_A_Foo',
        '->loadClass() loads ApcPrefixCollision_A_Foo from alpha.',
      ),
      array(
        array(
          'ApcPrefixCollision_A_B_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta/Apc',
          'ApcPrefixCollision_A_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha/Apc',
        ),
        'ApcPrefixCollision_A_Bar',
        '->loadClass() loads ApcPrefixCollision_A_Bar from alpha.',
      ),
      array(
        array(
          'ApcPrefixCollision_A_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha/Apc',
          'ApcPrefixCollision_A_B_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta/Apc',
        ),
        'ApcPrefixCollision_A_B_Foo',
        '->loadClass() loads ApcPrefixCollision_A_B_Foo from beta.',
      ),
      array(
        array(
          'ApcPrefixCollision_A_B_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/beta/Apc',
          'ApcPrefixCollision_A_' => __DIR__ . DIRECTORY_SEPARATOR . 'Fixtures/Apc/alpha/Apc',
        ),
        'ApcPrefixCollision_A_B_Bar',
        '->loadClass() loads ApcPrefixCollision_A_B_Bar from beta.',
      ),
    );
  }

}