Sulu\Bundle\MediaBundle\Media\Manager\MediaManager::delete PHP Method

    public function delete($id, $checkSecurity = false)
    {
        $mediaEntity = $this->getEntityById($id);
        if ($checkSecurity) {
            $this->securityChecker->checkPermission(new SecurityCondition('sulu.media.collections', null, Collection::class, $mediaEntity->getCollection()->getId()), PermissionTypes::DELETE);
        }
        /** @var File $file */
        foreach ($mediaEntity->getFiles() as $file) {
            /** @var FileVersion $fileVersion */
            foreach ($file->getFileVersions() as $fileVersion) {
                $this->formatManager->purge($mediaEntity->getId(), $fileVersion->getName(), $fileVersion->getStorageOptions());
                $this->storage->remove($fileVersion->getStorageOptions());
            }
        }
        $this->em->remove($mediaEntity);
        $this->em->flush();
    }

 public function testDelete()
 {
     $collection = $this->prophesize(Collection::class);
     $collection->getId()->willReturn(2);
     $file = $this->prophesize(File::class);
     $fileVersion = $this->prophesize(FileVersion::class);
     $file->getFileVersions()->willReturn([$fileVersion->reveal()]);
     $fileVersion->getId()->willReturn(1);
     $fileVersion->getName()->willReturn('test');
     $fileVersion->getStorageOptions()->willReturn(json_encode(['segment' => '01', 'fileName' => 'test.jpg']));
     $media = $this->prophesize(Media::class);
     $media->getCollection()->willReturn($collection);
     $media->getFiles()->willReturn([$file->reveal()]);
     $media->getId()->willReturn(1);
     $this->formatManager->purge(1, 'test', json_encode(['segment' => '01', 'fileName' => 'test.jpg']))->shouldBeCalled();
     $this->mediaRepository->findMediaById(1)->willReturn($media);
     $this->securityChecker->checkPermission(new SecurityCondition('sulu.media.collections', null, Collection::class, 2), 'delete')->shouldBeCalled();
     $this->storage->remove(json_encode(['segment' => '01', 'fileName' => 'test.jpg']))->shouldBeCalled();
     $this->mediaManager->delete(1, true);
 }