<?php
/*
 +--------------------------------------------------------------------+
| CiviCRM version 4.7                                                |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2015                                |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM.                                    |
|                                                                    |
| CiviCRM is free software; you can copy, modify, and distribute it  |
| under the terms of the GNU Affero General Public License           |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
|                                                                    |
| CiviCRM 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 Affero General Public License for more details.        |
|                                                                    |
| You should have received a copy of the GNU Affero General Public   |
| License and the CiviCRM Licensing Exception along                  |
| with this program; if not, contact CiviCRM LLC                     |
| at info[AT]civicrm[DOT]org. If you have questions about the        |
| GNU Affero General Public License or the licensing of CiviCRM,     |
| see the CiviCRM license FAQ at http://civicrm.org/licensing        |
+--------------------------------------------------------------------+
 */
require_once 'CiviTest/CiviUnitTestCase.php';

/**
 * Class CRM_Utils_ZipTest
 */
class CRM_Utils_ZipTest extends CiviUnitTestCase {

  public function setUp() {
    parent::setUp();
    $this->file = FALSE;
  }

  public function tearDown() {
    parent::tearDown();
    if ($this->file) {
      unlink($this->file);
    }
  }

  public function testFindBaseDirName_normal() {
    $this->_doFindBaseDirName('author-com.example.foo-random/',
      array('author-com.example.foo-random'),
      array('author-com.example.foo-random/README.txt' => 'hello')
    );
  }

  public function testFindBaseDirName_0() {
    $this->_doFindBaseDirName('0/',
      array('0'),
      array()
    );
  }

  public function testFindBaseDirName_plainfile() {
    $this->_doFindBaseDirName(FALSE,
      array(),
      array('README.txt' => 'hello')
    );
  }

  public function testFindBaseDirName_twodir() {
    $this->_doFindBaseDirName(FALSE,
      array('dir-1', 'dir-2'),
      array('dir-1/README.txt' => 'hello')
    );
  }

  public function testFindBaseDirName_dirfile() {
    $this->_doFindBaseDirName(FALSE,
      array('dir-1'),
      array('dir-1/README.txt' => 'hello', 'MANIFEST.MF' => 'extra')
    );
  }

  public function testFindBaseDirName_dot() {
    $this->_doFindBaseDirName(FALSE,
      array('.'),
      array('./README.txt' => 'hello')
    );
  }

  public function testFindBaseDirName_dots() {
    $this->_doFindBaseDirName(FALSE,
      array('..'),
      array('../README.txt' => 'hello')
    );
  }

  public function testFindBaseDirName_weird() {
    $this->_doFindBaseDirName(FALSE,
      array('foo/../'),
      array('foo/../README.txt' => 'hello')
    );
  }

  public function testGuessBaseDir_normal() {
    $this->_doGuessBaseDir('author-com.example.foo-random',
      array('author-com.example.foo-random'),
      array('author-com.example.foo-random/README.txt' => 'hello'),
      'com.example.foo'
    );
  }

  public function testGuessBaseDir_MACOSX() {
    $this->_doGuessBaseDir('com.example.foo',
      array('com.example.foo', '__MACOSX'),
      array('author-com.example.foo-random/README.txt' => 'hello', '__MACOSX/foo' => 'bar'),
      'com.example.foo'
    );
  }

  public function testGuessBaseDir_0() {
    $this->_doGuessBaseDir('0',
      array('0'),
      array(),
      'com.example.foo'
    );
  }

  public function testGuessBaseDir_plainfile() {
    $this->_doGuessBaseDir(FALSE,
      array(),
      array('README.txt' => 'hello'),
      'com.example.foo'
    );
  }

  public function testGuessBaseDirTwoDir() {
    $this->_doGuessBaseDir(FALSE,
      array('dir-1', 'dir-2'),
      array('dir-1/README.txt' => 'hello'),
      'com.example.foo'
    );
  }

  public function testGuessBaseDirWeird() {
    $this->_doGuessBaseDir(FALSE,
      array('foo/../'),
      array('foo/../README.txt' => 'hello'),
      'com.example.foo'
    );
  }

  /**
   * @param string $expectedBaseDirName
   * @param $dirs
   * @param $files
   */
  public function _doFindBaseDirName($expectedBaseDirName, $dirs, $files) {
    $this->file = tempnam(sys_get_temp_dir(), 'testzip-');
    $this->assertTrue(CRM_Utils_Zip::createTestZip($this->file, $dirs, $files));

    $zip = new ZipArchive();
    $this->assertTrue($zip->open($this->file));
    $this->assertEquals($expectedBaseDirName, CRM_Utils_Zip::findBaseDirName($zip));
  }

  /**
   * @param $expectedResult
   * @param $dirs
   * @param $files
   * @param $expectedKey
   */
  public function _doGuessBaseDir($expectedResult, $dirs, $files, $expectedKey) {
    $this->file = tempnam(sys_get_temp_dir(), 'testzip-');
    $this->assertTrue(CRM_Utils_Zip::createTestZip($this->file, $dirs, $files));

    $zip = new ZipArchive();
    $this->assertTrue($zip->open($this->file));
    $this->assertEquals($expectedResult, CRM_Utils_Zip::guessBaseDir($zip, $expectedKey));
  }

}