class ClassCollectionLoaderTest

class ClassCollectionLoaderTest extends \PHPUnit_Framework_TestCase {

  /**
   * @dataProvider getDifferentOrders
   */
  public function testClassReordering(array $classes) {
    $expected = array(
      'ClassesWithParents\\GInterface',
      'ClassesWithParents\\CInterface',
      'ClassesWithParents\\B',
      'ClassesWithParents\\A',
    );
    $r = new \ReflectionClass('Symfony\\Component\\ClassLoader\\ClassCollectionLoader');
    $m = $r
      ->getMethod('getOrderedClasses');
    $m
      ->setAccessible(true);
    $ordered = $m
      ->invoke('Symfony\\Component\\ClassLoader\\ClassCollectionLoader', $classes);
    $this
      ->assertEquals($expected, array_map(function ($class) {
      return $class
        ->getName();
    }, $ordered));
  }
  public function getDifferentOrders() {
    return array(
      array(
        array(
          'ClassesWithParents\\A',
          'ClassesWithParents\\CInterface',
          'ClassesWithParents\\GInterface',
          'ClassesWithParents\\B',
        ),
      ),
      array(
        array(
          'ClassesWithParents\\B',
          'ClassesWithParents\\A',
          'ClassesWithParents\\CInterface',
        ),
      ),
      array(
        array(
          'ClassesWithParents\\CInterface',
          'ClassesWithParents\\B',
          'ClassesWithParents\\A',
        ),
      ),
      array(
        array(
          'ClassesWithParents\\A',
        ),
      ),
    );
  }

  /**
   * @dataProvider getDifferentOrdersForTraits
   */
  public function testClassWithTraitsReordering(array $classes) {
    if (version_compare(phpversion(), '5.4.0', '<')) {
      $this
        ->markTestSkipped('Requires PHP > 5.4.0.');
      return;
    }
    require_once __DIR__ . '/Fixtures/ClassesWithParents/ATrait.php';
    require_once __DIR__ . '/Fixtures/ClassesWithParents/BTrait.php';
    require_once __DIR__ . '/Fixtures/ClassesWithParents/CTrait.php';
    require_once __DIR__ . '/Fixtures/ClassesWithParents/D.php';
    require_once __DIR__ . '/Fixtures/ClassesWithParents/E.php';
    $expected = array(
      'ClassesWithParents\\GInterface',
      'ClassesWithParents\\CInterface',
      'ClassesWithParents\\CTrait',
      'ClassesWithParents\\ATrait',
      'ClassesWithParents\\BTrait',
      'ClassesWithParents\\B',
      'ClassesWithParents\\A',
      'ClassesWithParents\\D',
      'ClassesWithParents\\E',
    );
    $r = new \ReflectionClass('Symfony\\Component\\ClassLoader\\ClassCollectionLoader');
    $m = $r
      ->getMethod('getOrderedClasses');
    $m
      ->setAccessible(true);
    $ordered = $m
      ->invoke('Symfony\\Component\\ClassLoader\\ClassCollectionLoader', $classes);
    $this
      ->assertEquals($expected, array_map(function ($class) {
      return $class
        ->getName();
    }, $ordered));
  }
  public function getDifferentOrdersForTraits() {
    return array(
      array(
        array(
          'ClassesWithParents\\E',
          'ClassesWithParents\\ATrait',
        ),
      ),
      array(
        array(
          'ClassesWithParents\\E',
        ),
      ),
    );
  }
  public function testFixNamespaceDeclarations() {
    $source = <<<EOF
<?php

namespace Foo;
class Foo {}
namespace   Bar ;
class Foo {}
namespace Foo\\Bar;
class Foo {}
namespace Foo\\Bar\\Bar
{
    class Foo {}
}
namespace
{
    class Foo {}
}
EOF;
    $expected = <<<EOF
<?php

namespace Foo
{
class Foo {}
}
namespace   Bar
{
class Foo {}
}
namespace Foo\\Bar
{
class Foo {}
}
namespace Foo\\Bar\\Bar
{
    class Foo {}
}
namespace
{
    class Foo {}
}
EOF;
    $this
      ->assertEquals($expected, ClassCollectionLoader::fixNamespaceDeclarations($source));
  }

  /**
   * @expectedException InvalidArgumentException
   */
  public function testUnableToLoadClassException() {
    ClassCollectionLoader::load(array(
      'SomeNotExistingClass',
    ), '', 'foo', false);
  }

}