<?php
declare(strict_types=1);
/**
* Contains class EncryptionHelperSpec.
*
* PHP version 7.0+
*
* LICENSE:
* This file is part of Encryption Helper - Use to help with the encryption and decryption of GET queries.
* Copyright (C) 2016-2017 Michael Cummings
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, you may write to
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* or find a electronic copy at
* <http://spdx.org/licenses/GPL-2.0.html>.
*
* You should also be able to find a copy of this license in the included
* LICENSE file.
*
* @author Michael Cummings <mgcummings@yahoo.com>
* @copyright 2016-2017 Michael Cummings
* @license GPL-2.0
*/
namespace Spec\EncryptionHelper;
use EncryptionHelper\EncryptionHelper;
use PhpSpec\ObjectBehavior;
/**
* Class EncryptionHelperSpec
*
* @mixin \EncryptionHelper\EncryptionHelper
*
* @method void during($method, array $params)
* @method void shouldBe($value)
* @method void shouldContain($value)
* @method void shouldNotEqual($value)
* @method void shouldReturn($result)
*/
class EncryptionHelperSpec extends ObjectBehavior
{
public function it_is_initializable()
{
$this->shouldHaveType(EncryptionHelper::class);
}
public function it_should_be_possible_to_add_new_queries_to_list()
{
$this->hasQuery('Stars')
->shouldReturn(false);
$this->addQuery('Stars', '5');
$this->hasQuery('Stars')
->shouldReturn(true);
}
public function it_should_be_possible_to_remove_existing_queries_from_list()
{
$this->addQuery('Stars', '5');
$this->hasQuery('Stars')
->shouldReturn(true);
$this->removeQuery('Stars')
->shouldReturn(true);
$this->hasQuery('Stars')
->shouldReturn(false);
}
public function it_should_clear_query_list_in_process_query_string_when_data_has_bad_checksum()
{
$this->hasQuery('Rating')
->shouldReturn(true);
$given = 'Rating=80&__$$=26F';
$this->processQueryString($given);
$this->hasQuery('Rating')
->shouldReturn(false);
$given = 'Stars=5&__$$=14D';
$this->processQueryString($given);
$this->hasQuery('Stars')
->shouldReturn(false);
}
public function it_should_clear_query_list_in_process_query_string_when_data_is_empty()
{
$this->hasQuery('Rating')
->shouldReturn(true);
$this->processQueryString('');
$this->hasQuery('Rating')
->shouldReturn(false);
}
public function it_should_clear_query_list_in_process_query_string_when_data_is_missing_checksum()
{
$this->hasQuery('Rating')
->shouldReturn(true);
$given = 'Rating=80';
$this->processQueryString($given);
$this->hasQuery('Rating')
->shouldReturn(false);
$given = 'Stars=5';
$this->processQueryString($given);
$this->hasQuery('Stars')
->shouldReturn(false);
// $expected = 'Rating=80&__$$=14D';
// $expected = 'Rating=80&Stars=5&__$$=26F';
// $this->__toString()
// ->shouldReturn($expected);
}
public function it_should_never_add_checksum_to_query_list_in_process_query_string()
{
$this->hasQuery('__$$')
->shouldReturn(false);
$given = 'Rating=80&__$$=14D';
$this->processQueryString($given);
$this->hasQuery('__$$')
->shouldReturn(false);
$this->hasQuery('Stars')
->shouldReturn(false);
$given = 'Rating=80&Stars=5&__$$=26F';
$this->processQueryString($given);
$this->hasQuery('__$$')
->shouldReturn(false);
$this->hasQuery('Stars')
->shouldReturn(true);
}
public function it_should_return_cipher_text_from_encrypt()
{
$given = 'Rating=80&__$$=14D';
$this->encrypt($given)
->shouldReturn($this->encryptedData);
$given = 'Stars=5';
$expected = '8A92415A14CD52A5';
$this->encrypt($given)
->shouldReturn($expected);
}
public function it_should_return_empty_string_from_decrypt_when_data_is_empty()
{
$this->decrypt('')
->shouldReturn('');
}
public function it_should_return_false_from_has_query_when_name_does_not_exists()
{
$this->hasQuery('Stars')
->shouldReturn(false);
}
public function it_should_return_false_from_remove_query_when_name_does_not_exists()
{
$this->removeQuery('Stars')
->shouldReturn(false);
}
public function it_should_return_query_list_from_decrypt_when_data_is_good()
{
$expected = 'Rating=80&__$$=14D';
$this->decrypt($this->encryptedData)
->shouldReturn($expected);
$expected = 'Stars=5';
$given = '8A92415A14CD52A5';
$this->decrypt($given)
->shouldReturn($expected);
}
public function it_should_return_query_list_with_checksum_from_to_string()
{
$expected = 'Rating=80&__$$=14D';
/** @noinspection ImplicitMagicMethodCallInspection */
$this->__toString()
->shouldReturn($expected);
}
public function it_should_return_true_from_has_query_when_name_exists()
{
$this->addQuery('Stars', '5');
$this->hasQuery('Stars')
->shouldReturn(true);
}
public function it_should_return_true_from_remove_query_when_name_exists()
{
$this->addQuery('Stars', '5');
$this->removeQuery('Stars')
->shouldReturn(true);
}
public function it_throws_exception_in_add_query_when_empty_name_is_given()
{
$message = $message = 'Query name can not be empty';
$this->shouldThrow(new \OutOfBoundsException($message))
->during('addQuery', ['', 'test']);
}
public function it_throws_exception_in_set_cipher_when_given_unknown_cipher()
{
$given = 'IDoNotExist';
$message = sprintf('Cipher %s is not known', $given);
$this->shouldThrow(new \RangeException($message))
->during('setCipher', [$given]);
}
public function it_throws_exception_in_set_cipher_when_iv_is_to_short_for_new_cipher()
{
$this->setKey('abcdef0123456789');
$given = 'aes-256-cbc';
$message = 'Cipher could not be changed because either current key or initialization vector are not'
. ' compatible with new cipher';
$this->shouldThrow(new \RangeException($message, 1))
->during('setCipher', [$given]);
}
public function it_throws_exception_in_set_cipher_when_key_is_to_short_for_new_cipher()
{
$given = 'aes-256-cbc';
$message = 'Cipher could not be changed because either current key or initialization vector are not'
. ' compatible with new cipher';
$this->shouldThrow(new \RangeException($message, 1))
->during('setCipher', [$given]);
}
public function it_throws_exception_in_set_init_vector_when_iv_is_to_short()
{
$given = 'a';
$message = sprintf('Initialization vector must be at least %s characters long', 8);
$this->shouldThrow(new \RangeException($message))
->during('setInitVector', [$given]);
}
public function it_throws_exception_in_set_key_when_key_is_to_short()
{
$given = 'a';
$message = sprintf('Key must be at least %s characters long', 8);
$this->shouldThrow(new \RangeException($message))
->during('setKey', [$given]);
}
public function let()
{
$this->beConstructedWith($this->encryptedData);
}
protected $encryptedData = 'F7EBC908B106D4282FA705D0EED915DBE002774B1A152DCC';
}
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