<?php
  /**
   * Copyright (c) 2013 Bjoern Schiessle <schiessle@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  
  require_once __DIR__ . '/../lib/helper.php';

  require_once __DIR__ . '/util.php';

  
  use OCA\Encryption;
  
  /**
   * Class Test_Encryption_Helper
   */
  class Test_Encryption_Helper extends \PHPUnit_Framework_TestCase {

  	const TEST_ENCRYPTION_HELPER_USER1 = "test-helper-user1";
  
  	public static function setUpBeforeClass() {
  		// create test user
  		\Test_Encryption_Util::loginHelper(\Test_Encryption_Helper::TEST_ENCRYPTION_HELPER_USER1, true);
  	}
  
  	public static function tearDownAfterClass() {
  		// cleanup test user
  		\OC_User::deleteUser(\Test_Encryption_Helper::TEST_ENCRYPTION_HELPER_USER1);
  	}

  	/**
  	 * @medium
  	 */
  	function testStripPartialFileExtension() {
  
  		$partFilename = 'testfile.txt.part';
  		$filename = 'testfile.txt';
  
  		$this->assertTrue(Encryption\Helper::isPartialFilePath($partFilename));
  
  		$this->assertEquals('testfile.txt', Encryption\Helper::stripPartialFileExtension($partFilename));
  
  		$this->assertFalse(Encryption\Helper::isPartialFilePath($filename));
  
  		$this->assertEquals('testfile.txt', Encryption\Helper::stripPartialFileExtension($filename));
  	}
  
  
  	/**
  	 * @medium
  	 */
  	function testStripPartialFileExtensionWithTransferIdPath() {
  
  		$partFilename = 'testfile.txt.ocTransferId643653835.part';
  		$filename = 'testfile.txt';
  
  		$this->assertTrue(Encryption\Helper::isPartialFilePath($partFilename));
  
  		$this->assertEquals('testfile.txt', Encryption\Helper::stripPartialFileExtension($partFilename));
  
  		$this->assertFalse(Encryption\Helper::isPartialFilePath($filename));
  
  		$this->assertEquals('testfile.txt', Encryption\Helper::stripPartialFileExtension($filename));
  	}
  
  	function testGetPathToRealFile() {
  
  		// the relative path to /user/files/ that's what we want to get from getPathToRealFile()
  		$relativePath = "foo/bar/test.txt";
  
  		// test paths
  		$versionPath = "/user/files_versions/foo/bar/test.txt.v456756835";
  		$cachePath = "/user/cache/transferid636483/foo/bar/test.txt";
  
  		$this->assertEquals($relativePath, Encryption\Helper::getPathToRealFile($versionPath));
  		$this->assertEquals($relativePath, Encryption\Helper::getPathToRealFile($cachePath));
  	}

  	function testGetUser() {
  
  		$path1 = "/" . self::TEST_ENCRYPTION_HELPER_USER1 . "/files/foo/bar.txt";
  		$path2 = "/" . self::TEST_ENCRYPTION_HELPER_USER1 . "/cache/foo/bar.txt";
  		$path3 = "/" . self::TEST_ENCRYPTION_HELPER_USER1 . "/thumbnails/foo";
  		$path4 ="/" . "/" . self::TEST_ENCRYPTION_HELPER_USER1;
  
  		// if we are logged-in every path should return the currently logged-in user
  		$this->assertEquals(self::TEST_ENCRYPTION_HELPER_USER1, Encryption\Helper::getUser($path3));
  
  		// now log out
  		\Test_Encryption_Util::logoutHelper();
  
  		// now we should only get the user from /user/files and user/cache paths
  		$this->assertEquals(self::TEST_ENCRYPTION_HELPER_USER1, Encryption\Helper::getUser($path1));
  		$this->assertEquals(self::TEST_ENCRYPTION_HELPER_USER1, Encryption\Helper::getUser($path2));
  
  		$this->assertFalse(Encryption\Helper::getUser($path3));
  		$this->assertFalse(Encryption\Helper::getUser($path4));
  
  		// Log-in again
  		\Test_Encryption_Util::loginHelper(\Test_Encryption_Helper::TEST_ENCRYPTION_HELPER_USER1);
  	}

  }