public function testSettingAndGetting()
 {
     Yii::app()->user->userModel = User::getByUsername('super');
     $group1 = new Group();
     $group1->name = 'Group1';
     $this->assertTrue($group1->save());
     $group2 = new Group();
     $group2->name = 'Group2';
     $this->assertTrue($group2->save());
     $group3 = new Group();
     $group3->name = 'Group3';
     $this->assertTrue($group3->save());
     $group4 = new Group();
     $group4->name = 'Group4';
     $this->assertTrue($group4->save());
     $group5 = new Group();
     $group5->name = 'Group5';
     $this->assertTrue($group5->save());
     $group6 = new Group();
     $group6->name = 'Group6';
     $this->assertTrue($group6->save());
     $explicitReadWriteModelPermissions = new ExplicitReadWriteModelPermissions();
     $this->assertEquals(0, $explicitReadWriteModelPermissions->getReadOnlyPermitablesCount());
     $this->assertEquals(0, $explicitReadWriteModelPermissions->getReadWritePermitablesCount());
     //Now add permitables and test retrieving them.
     $explicitReadWriteModelPermissions->addReadOnlyPermitable($group1);
     $explicitReadWriteModelPermissions->addReadWritePermitable($group2);
     $explicitReadWriteModelPermissions->addReadWritePermitable($group3);
     $explicitReadWriteModelPermissions->addReadOnlyPermitableToRemove($group4);
     $explicitReadWriteModelPermissions->addReadWritePermitableToRemove($group5);
     $this->assertEquals(1, $explicitReadWriteModelPermissions->getReadOnlyPermitablesCount());
     $this->assertEquals(2, $explicitReadWriteModelPermissions->getReadWritePermitablesCount());
     $this->assertEquals(1, $explicitReadWriteModelPermissions->getReadWritePermitablesToRemoveCount());
     $this->assertEquals(1, $explicitReadWriteModelPermissions->getReadWritePermitablesToRemoveCount());
     $readOnlyPermitables = $explicitReadWriteModelPermissions->getReadOnlyPermitables();
     $readWritePermitables = $explicitReadWriteModelPermissions->getReadWritePermitables();
     $this->assertEquals(1, count($readOnlyPermitables));
     $this->assertEquals(2, count($readWritePermitables));
     $this->assertEquals($group1, $readOnlyPermitables[$group1->id]);
     $this->assertEquals($group2, $readWritePermitables[$group2->id]);
     $this->assertEquals($group3, $readWritePermitables[$group3->id]);
     $readOnlyPermitablesToRemove = $explicitReadWriteModelPermissions->getReadOnlyPermitablesToRemove();
     $readWritePermitablesToRemove = $explicitReadWriteModelPermissions->getReadWritePermitablesToRemove();
     $this->assertEquals($group4, $readOnlyPermitablesToRemove[$group4->id]);
     $this->assertEquals($group5, $readWritePermitablesToRemove[$group5->id]);
     $this->assertTrue($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group1));
     $this->assertTrue($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group2));
     $this->assertTrue($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group3));
     $this->assertFalse($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group4));
     $this->assertFalse($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group5));
     $this->assertFalse($explicitReadWriteModelPermissions->isReadOrReadWritePermitable($group6));
     $this->assertEquals(1, count($explicitReadWriteModelPermissions->getReadWritePermitablesToRemove()));
     $explicitReadWriteModelPermissions->removeAllReadWritePermitables();
     $this->assertEquals(3, count($explicitReadWriteModelPermissions->getReadWritePermitablesToRemove()));
 }
 /**
  * Given a SecurableItem, add and remove permissions
  * based on what the provided ExplicitReadWriteModelPermissions indicates should be done.
  * Sets @see SecurableItem->setTreatCurrentUserAsOwnerForPermissions as true in order to ensure the current user
  * can effectively add permissions even if the current user is no longer the owner.
  * @param SecurableItem $securableItem
  * @param ExplicitReadWriteModelPermissions $explicitReadWriteModelPermissions
  * @return boolean
  * @throws NotSupportedException()
  */
 public static function resolveExplicitReadWriteModelPermissions(SecurableItem $securableItem, ExplicitReadWriteModelPermissions $explicitReadWriteModelPermissions)
 {
     assert('$securableItem->id > 0');
     $securableItem->setTreatCurrentUserAsOwnerForPermissions(true);
     $saveSecurableItem = false;
     if ($explicitReadWriteModelPermissions->getReadOnlyPermitablesCount() > 0) {
         $saveSecurableItem = true;
         foreach ($explicitReadWriteModelPermissions->getReadOnlyPermitables() as $permitable) {
             $securableItem->addPermissions($permitable, Permission::READ);
             if ($permitable instanceof Group) {
                 ReadPermissionsOptimizationUtil::securableItemGivenPermissionsForGroup($securableItem, $permitable);
             } elseif ($permitable instanceof User) {
                 ReadPermissionsOptimizationUtil::securableItemGivenPermissionsForUser($securableItem, $permitable);
             } else {
                 throw new NotSupportedException();
             }
         }
     }
     if ($explicitReadWriteModelPermissions->getReadWritePermitablesCount() > 0) {
         $saveSecurableItem = true;
         foreach ($explicitReadWriteModelPermissions->getReadWritePermitables() as $permitable) {
             $securableItem->addPermissions($permitable, Permission::READ_WRITE_CHANGE_PERMISSIONS_CHANGE_OWNER);
             if ($permitable instanceof Group) {
                 ReadPermissionsOptimizationUtil::securableItemGivenPermissionsForGroup($securableItem, $permitable);
             } elseif ($permitable instanceof User) {
                 ReadPermissionsOptimizationUtil::securableItemGivenPermissionsForUser($securableItem, $permitable);
             } else {
                 throw new NotSupportedException();
             }
         }
     }
     if ($explicitReadWriteModelPermissions->getReadOnlyPermitablesToRemoveCount() > 0) {
         $saveSecurableItem = true;
         foreach ($explicitReadWriteModelPermissions->getReadOnlyPermitablesToRemove() as $permitable) {
             $securableItem->removePermissions($permitable, Permission::READ, Permission::ALLOW);
             if ($permitable instanceof Group) {
                 ReadPermissionsOptimizationUtil::securableItemLostPermissionsForGroup($securableItem, $permitable);
             } elseif ($permitable instanceof User) {
                 ReadPermissionsOptimizationUtil::securableItemLostPermissionsForUser($securableItem, $permitable);
             } else {
                 throw new NotSupportedException();
             }
         }
     }
     if ($explicitReadWriteModelPermissions->getReadWritePermitablesToRemoveCount() > 0) {
         $saveSecurableItem = true;
         foreach ($explicitReadWriteModelPermissions->getReadWritePermitablesToRemove() as $permitable) {
             $securableItem->removePermissions($permitable, Permission::READ_WRITE_CHANGE_PERMISSIONS_CHANGE_OWNER, Permission::ALLOW);
             if ($permitable instanceof Group) {
                 ReadPermissionsOptimizationUtil::securableItemLostPermissionsForGroup($securableItem, $permitable);
             } elseif ($permitable instanceof User) {
                 ReadPermissionsOptimizationUtil::securableItemLostPermissionsForUser($securableItem, $permitable);
             } else {
                 throw new NotSupportedException();
             }
         }
     }
     if ($saveSecurableItem) {
         $setBackToProcess = false;
         if ($securableItem->shouldProcessWorkflowOnSave()) {
             $securableItem->setDoNotProcessWorkflowOnSave();
             $setBackToProcess = true;
         }
         $saved = $securableItem->save();
         if ($setBackToProcess) {
             $securableItem->setProcessWorkflowOnSave();
         }
         $securableItem->setTreatCurrentUserAsOwnerForPermissions(false);
         return $saved;
     }
     $securableItem->setTreatCurrentUserAsOwnerForPermissions(false);
     return true;
 }