Club Drupal

class ModuleImplementsAlterTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Module implements alter',

      'description' => 'Tests hook_module_implements_alter().',

      'group' => 'Module',

    );

  }

  /**

   * Tests hook_module_implements_alter() adding an implementation.

   */

  function testModuleImplementsAlter() {

    module_enable(array('module_test'), FALSE);

    $this->assertTrue(module_exists('module_test'), 'Test module is enabled.');

    // Assert that module_test.module is now included.

    $this->assertTrue(function_exists('module_test_permission'),

      'The file module_test.module was successfully included.');

    $modules = module_implements('permission');

    $this->assertTrue(in_array('module_test', $modules), 'module_test implements hook_permission.');

    $modules = module_implements('module_implements_alter');

    $this->assertTrue(in_array('module_test', $modules), 'module_test implements hook_module_implements_alter().');

    // Assert that module_test.implementations.inc is not included yet.

    $this->assertFalse(function_exists('module_test_altered_test_hook'),

      'The file module_test.implementations.inc is not included yet.');

    // Assert that module_test_module_implements_alter(*, 'altered_test_hook')

    // has added an implementation

    $this->assertTrue(in_array('module_test', module_implements('altered_test_hook')),

      'module_test implements hook_altered_test_hook().');

    // Assert that module_test.implementations.inc was included as part of the process.

    $this->assertTrue(function_exists('module_test_altered_test_hook'),

      'The file module_test.implementations.inc was included.');

  }

}