/**
* @medium
* @brief test delete file forever
*/
function testPermanentDeleteFile()
{
// generate filename
$filename = 'tmp-' . time() . '.txt';
// save file with content
$cryptedFile = file_put_contents('crypt:///' . $this->userId . '/files/' . $filename, $this->dataShort);
// test that data was successfully written
$this->assertTrue(is_int($cryptedFile));
// check if key for admin exists
$this->assertTrue($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_encryption/keyfiles/' . $filename . '.key'));
// check if share key for admin exists
$this->assertTrue($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_encryption/share-keys/' . $filename . '.' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '.shareKey'));
// delete file
\OC\FIles\Filesystem::unlink($filename);
// check if file not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files/' . $filename));
// check if key for admin not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_encryption/keyfiles/' . $filename . '.key'));
// check if share key for admin not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_encryption/share-keys/' . $filename . '.' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '.shareKey'));
// find created file with timestamp
$query = \OC_DB::prepare('SELECT `timestamp`,`type` FROM `*PREFIX*files_trash`' . ' WHERE `id`=?');
$result = $query->execute(array($filename))->fetchRow();
$this->assertTrue(is_array($result));
// build suffix
$trashFileSuffix = 'd' . $result['timestamp'];
// check if key for admin exists
$this->assertTrue($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_trashbin/keyfiles/' . $filename . '.key.' . $trashFileSuffix));
// check if share key for admin exists
$this->assertTrue($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_trashbin/share-keys/' . $filename . '.' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '.shareKey.' . $trashFileSuffix));
// get timestamp from file
$timestamp = str_replace('d', '', $trashFileSuffix);
// delete file forever
$this->assertGreaterThan(0, \OCA\Files_Trashbin\Trashbin::delete($filename, $timestamp));
// check if key for admin not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_trashbin/files/' . $filename . '.' . $trashFileSuffix));
// check if key for admin not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_trashbin/keyfiles/' . $filename . '.key.' . $trashFileSuffix));
// check if share key for admin not exists
$this->assertFalse($this->view->file_exists('/' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '/files_trashbin/share-keys/' . $filename . '.' . \Test_Encryption_Trashbin::TEST_ENCRYPTION_TRASHBIN_USER1 . '.shareKey.' . $trashFileSuffix));
}