<?php
// $Id$

/**
 * @file
 *   Test voting with votingapi.
 */

/**
 * Voting test.
 */
class VotingAPIDeleteVoteTest extends DrupalTestCase {
  var $_cleanupVotes = array();

  /**
   * Implementation of get_info().
   */
  function get_info() {
    return array(
      'name' => t('VotingAPI voting - delete vote'),
      'desc' => t('Unit testing of votingapi_change_vote and related functions.'),
      'group' => 'Voting API',
    );
  }

  /**
   * Implementation of tearDown().
   */
  function tearDown() {
    parent::tearDown();
    // Clean up all remaining votes set by the test.
    if (count($this->_cleanupVotes)) {
      $content_types = array_unique($this->_cleanupVotes);
      $placeholder = implode(', ', array_fill(0, count($content_types), "'%s'"));
      db_query("DELETE FROM {votingapi_vote} WHERE content_type IN ($placeholder)", $content_types);
      db_query("DELETE FROM {votingapi_cache} WHERE content_type IN ($placeholder)", $content_types);
    }
  }

  /**
   * Implementation of setUp().
   */
  function setUp() {
    parent::setUp();
    $this->drupalModuleEnable('votingapi');
  }

  /**
   * VADV-01A: Delete a vote with a full vote object.
   */
  function testVotingAPIDeleteVoteFull() {
    global $user;
    $this->assertTrue(TRUE, t('VADV-01A: Delete a vote with a full vote object.'));

    $content_type = $this->randomName(12, 'VTest_');
    $this->_cleanupVotes[] = $content_type;
    $content_id = mt_rand(0, 0xffff);
    $value = mt_rand(-0xfffe, 0xffff);
    $vobj = votingapi_add_vote($content_type, $content_id, $value);

    votingapi_delete_vote($vobj);
    $this->assertVotingAPIVoteDeleted($vobj);
  }

  /**
   * VADV-01B: Delete a vote.
   */
  function testVotingAPIDeleteVoteMinimal() {
    global $user;
    $this->assertTrue(TRUE, t('VADV-01B: Delete a vote with a minimal vote object.'));

    $content_type = $this->randomName(12, 'VTest_');
    $this->_cleanupVotes[] = $content_type;
    $content_id = mt_rand(0, 0xffff);
    $value = mt_rand(-0xfffe, 0xffff);
    $vobj = votingapi_add_vote($content_type, $content_id, $value);
    $vote = new stdClass();
    $vote->vote_id = $vobj->vote_id;
    votingapi_delete_vote($vote);
    $this->assertVotingAPIVoteDeleted($vobj);
  }

  /**
   * VADV-02: Delete multiple votes.
   */
  function testVotingAPIDeleteVotes() {
    global $user;
    $this->assertTrue(TRUE, t('VADV-02: Delete multiple votes.'));

    $content_type = $this->randomName(12, 'VTest_');
    $this->_cleanupVotes[] = $content_type;
    $votes = array();
    $num_votes = mt_rand(2, 20);
    for ($i = 0; $i < $num_votes; $i++) {
      $content_id = mt_rand(0, 0xffff);
      $value = mt_rand(-0xfffe, 0xffff);
      $vobj = votingapi_add_vote($content_type, $content_id, $value);
      $votes[] = $vobj;
    }
    votingapi_delete_votes($votes);
    foreach ($votes as $vobj) {
      $this->assertVotingAPIVoteDeleted($vobj);
    }
  }

  /**
   * VADV-03: Delete multiple votes on a content.
   */
  function testVotingAPIDeleteContentVotes() {
    global $user;
    $this->assertTrue(TRUE, t('VADV-03: Delete multiple votes on a content.'));

    $content_type = $this->randomName(12, 'VTest_');
    $this->_cleanupVotes[] = $content_type;
    $content_id = mt_rand(0, 0xffff);
    $votes = array();
    $num_votes = mt_rand(2, 20);
    for ($i = 0; $i < $num_votes; $i++) {
      $value = mt_rand(-0xfffe, 0xffff);
      $tag = $this->randomName(12, 'VTest_');
      $vobj = votingapi_add_vote($content_type, $content_id, $value);
      $votes[] = $vobj;
    }
    votingapi_unset_vote($content_type, $content_id);
    foreach ($votes as $vobj) {
      $this->assertVotingAPIVoteDeleted($vobj);
    }
  }

  function assertVotingAPIVoteDeleted($vobj) {
    $this->assertTrue(is_object($vobj), t('Vote is an object.'));

    $this->assertTrue(TRUE, t('Fetching previous vote with the same settings as set by the vote.'));
    $vote = votingapi_get_vote($vobj->content_type, $vobj->content_id, $vobj->value_type, $vobj->tag, $vobj->uid);
    $this->assertTrue(empty($vote), t('Result is empty.'));

    $this->assertTrue(TRUE, t('Fetching previous vote using vote id.'));
    $vote = votingapi_get_vote_by_id($vobj->vote_id);
    $this->assertTrue(empty($vote), t('Result is empty.'));
  }

}