<?php
/* ============================================================================
(c) Copyright 2012 Hewlett-Packard Development Company, L.P.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge,publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
============================================================================ */
/**
 * @file
 * Base test case.
 */
/**
 * @defgroup Tests
 *
 * The HPCloud library is tested with PHPUnit tests.
 *
 * This group contains all of the unit testing classes.
 */


namespace HPCloud\Tests;

#require_once  'mageekguy.atoum.phar';
require_once 'PHPUnit/Autoload.php';
require_once 'src/HPCloud/Bootstrap.php';

//use \mageekguy\atoum;

/**
 * @ingroup Tests
 */
class TestCase extends \PHPUnit_Framework_TestCase {

  public static $settings = array();

  public static $ostore = NULL;

  /**
   * The IdentityServices instance.
   */
  public static $ident;


  //public function __construct(score $score = NULL, locale $locale = NULL, adapter $adapter = NULL) {
  public static function setUpBeforeClass() {
    global $bootstrap_settings;

    if (!isset($bootstrap_settings)) {
      $bootstrap_settings = array();
    }
    self::$settings = $bootstrap_settings;


    //$this->setTestNamespace('Tests\Units');
    if (file_exists('test/settings.ini')) {
      self::$settings += parse_ini_file('test/settings.ini');
    }
    else {
      throw new Exception('Could not access test/settings.ini');
    }


    \HPCloud\Bootstrap::useAutoloader();
    \HPCloud\Bootstrap::setConfiguration(self::$settings);

    //parent::__construct($score, $locale, $adapter);
  }

  /**
   * Get a configuration value.
   *
   * Optionally, specify a default value to be used
   * if none was found.
   */
  public static function conf($name, $default = NULL) {
    if (isset(self::$settings[$name])) {
      return self::$settings[$name];
    }
    return $default;
  }

  protected $containerFixture = NULL;

  /**
   * @deprecated
   */
  protected function swiftAuth() {

    $user = self::$settings['hpcloud.swift.account'];
    $key = self::$settings['hpcloud.swift.key'];
    $url = self::$settings['hpcloud.swift.url'];
    //$url = self::$settings['hpcloud.identity.url'];

    return \HPCloud\Storage\ObjectStorage::newFromSwiftAuth($user, $key, $url);

  }

  /**
   * Get a handle to an IdentityServices object.
   *
   * Authentication is performed, and the returned
   * service has its tenant ID set already.
   *
   * @code
   * <?php
   * // Get the current token.
   * $this->identity()->token();
   * ?>
   * @endcode
   */
  protected function identity($reset = FALSE) {

    if ($reset || empty(self::$ident)) {
      $user = self::conf('hpcloud.identity.username');
      $pass = self::conf('hpcloud.identity.password');
      $tenantId = self::conf('hpcloud.identity.tenantId');
      $url = self::conf('hpcloud.identity.url');

      $is = new \HPCloud\Services\IdentityServices($url);

      $token = $is->authenticateAsUser($user, $pass, $tenantId);

      self::$ident = $is;

    }
    return self::$ident;
  }

  protected function objectStore($reset = FALSE) {

    if ($reset || empty(self::$ostore)) {
      $ident = $this->identity($reset);

      $objStore = \HPCloud\Storage\ObjectStorage::newFromIdentity($ident);

      self::$ostore = $objStore;

    }

    return self::$ostore;
  }

  /**
   * Get a container from the server.
   */
  protected function containerFixture() {

    if (empty($this->containerFixture)) {
      $store = $this->objectStore();
      $cname = self::$settings['hpcloud.swift.container'];

      try {
        $store->createContainer($cname);
        $this->containerFixture = $store->container($cname);

      }
      // This is why PHP needs 'finally'.
      catch (\Exception $e) {
        // Delete the container.
        $store->deleteContainer($cname);
        throw $e;
      }

    }

    return $this->containerFixture;
  }

  /**
   * Clear and destroy a container.
   *
   * Destroy all of the files in a container, then destroy the 
   * container.
   *
   * If the container doesn't exist, this will silently return.
   *
   * @param string $cname
   *   The name of the container.
   */
  protected function eradicateContainer($cname) {
    $store = $this->objectStore();
    try {
      $container = $store->container($cname);
    }
    // The container was never created.
    catch (\HPCloud\Transport\FileNotFoundException $e) {
      return;
    }

    foreach ($container as $object) {
      try {
        $container->delete($object->name());
      }
      catch (\Exception $e) {}
    }

    $store->deleteContainer($cname);

  }

  /**
   * Destroy a container fixture.
   *
   * This should be called in any method that uses containerFixture().
   */
  protected function destroyContainerFixture() {
    $store = $this->objectStore();
    $cname = self::$settings['hpcloud.swift.container'];

    try {
      $container = $store->container($cname);
    }
    // The container was never created.
    catch (\HPCloud\Transport\FileNotFoundException $e) {
      return;
    }

    foreach ($container as $object) {
      try {
        $container->delete($object->name());
      }
      catch (\Exception $e) {
        syslog(LOG_WARNING, $e);
      }
    }

    $store->deleteContainer($cname);
  }
}