function CasTestHelper::downloadExtractPhpCas in CAS 6.3

Same name and namespace in other branches

1. 7 cas.test \CasTestHelper::downloadExtractPhpCas()

Download and extract phpCAS.

Sets the 'cas_library_dir' variable to the directory where phpCAS is downloaded.

Parameters

$version: The phpCAS version number to download and extract.

1 call to CasTestHelper::downloadExtractPhpCas()

CasTestHelper::setUp in ./cas.test

Helper class for CAS tests.

File

./cas.test, line 50

Tests for cas.module.

Class

CasTestHelper

@file Tests for cas.module.

Code

function downloadExtractPhpCas($version) {

  // Find the most URL of the most recent phpCAS version.
  $directory = 'CAS-' . $version;
  $filename = 'CAS-' . $version . '.tgz';
  $url = 'http://downloads.jasig.org/cas-clients/php/' . $version . '/' . $filename;

  // Avoid downloading the file dozens of times
  $simpletest_cache = $this->originalFileDirectory . '/simpletest/cas';
  if (!file_exists($simpletest_cache)) {
    mkdir($simpletest_cache);
  }

  // Local archive name.
  $local_archive = $simpletest_cache . '/' . $filename;
  $cas_library_dir = $simpletest_cache . '/' . $directory;

  // Begin single threaded code.
  if (function_exists('sem_get')) {
    $semaphore = sem_get(ftok(__FILE__, 1));
    sem_acquire($semaphore);
  }

  // Download and extact the archive, but only in one thread.
  if (!file_exists($local_archive)) {
    $result = drupal_http_request($url);
    file_put_contents($local_archive, $result->data);
  }
  if (!file_exists($cas_library_dir)) {

    // Get Archive_Tar. @see http://drupal.org/node/1113618.
    $archive_tar = $simpletest_cache . '/archive_tar.inc';
    $result = drupal_http_request('http://drupal.org/files/issues/system.tar_.inc_.txt');
    file_put_contents($archive_tar, $result->data);
    include_once $archive_tar;

    // Extract the files.
    $archiver = new Archive_Tar($local_archive);
    $archiver
      ->extract($simpletest_cache);
  }
  if (function_exists('sem_get')) {
    sem_release($semaphore);
  }

  // End single threaded code.
  // Verify that files were successfully extracted.
  $this
    ->assertTrue(file_exists($cas_library_dir . '/CAS.php'), t('CAS.php found in @cas_library_dir.', array(
    '@cas_library_dir' => $cas_library_dir,
  )));

  // Set the CAS library directory.
  variable_set('cas_library_dir', $cas_library_dir);
}