<?php
// $Id: page_view.test,v 1.10 2007/09/18 14:59:13 rokZlender Exp $
class NodeRevisionsTest extends DrupalTestCase {
  /**
   * Implementation of get_info() for information
   */
  function get_info() {
    return array(
      'name' => t('Node revisions tests'), 
      'desc' => t('Creates a node of type page and then a user tries various revision actions such as viewing, reverting to, and deleting revisions.'),
      'group' => 'Node Tests',
    );
  }

  /**
   * Setup function used by tests. Creates a node with three revisions.
   *
   * If $log is TRUE, then a log message will be recorded.
   */
  function setup($log = FALSE) {
    global $user;

    $returnarray = array();
    $node = new stdClass();
    $numtimes = 3; // First, middle, last.
    for ($i = 0; $i < $numtimes; $i++) {
      $node->body      = $this->randomName(32 + $i);
      $node->title     = $this->randomName(8 + $i);
      $node->teaser    = $node->body;
      $node->comment   = '2';
      $node->created   = time();
      $node->date      = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
      $node->format    = '1';
      $node->moderate  = 0;
      $node->name      = $user->name;
      $node->uid       = $user->uid;
      $node->promote   = 0;
      $node->revision  = 1;
      $node->log     = '';
      if ($i == 1 && $log) {
        $logmessage    = $this->randomName(32);
        $node->log     = $logmessage;
        $returnarray['log'] = $logmessage;
      }
      $node->status    = '1';
      $node->sticky    = 0;
      $node->type      = 'page';
      $node->revisions = NULL;
      $node->changed   = $node->created;
      $node->taxonomy  = NULL;
      node_save($node);
      // Avoid confusion on the revisions overview page which is sorted by r.timestamp.
      sleep(1);
      if ($i == 1) {
        $text          = $node->body;
        $vid           = $node->vid;
        $returnarray['vid'] = $vid;
        $returnarray['text'] = $text;
      }
    }
    $returnarray['node'] = $node;
    return $returnarray;
  }

  /**
   * Simpletest test. Tests to make sure the correct revision text appears on "view revisions" page.
   */
  function testNodeRevisions() {
    extract( $this->setup() );

    $test_user = $this->drupalCreateUserRolePerm(array('view revisions'));
    $this->drupalLoginUser($test_user);
    $this->drupalGet(url("node/$node->nid/revisions/$vid/view", array('absolute' => TRUE)));
    $this->assertText($text, 'Check to make sure correct revision text appears on "view revisions" page.');

    $this->cleanup($node->nid);
  }

  /**
   * Simpletest test. Tests to make sure the correct log message appears on "revisions overview" page.
   */
  function testLogMessage() {
    extract( $this->setup(TRUE) );

    $test_user = $this->drupalCreateUserRolePerm(array('view revisions'));
    $this->drupalLoginUser($test_user);
    $this->drupalGet(url("node/$node->nid/revisions", array('absolute' => TRUE)));
    $this->assertText($log, 'Check to make sure log message is properly displayed.');

    $this->cleanup($node->nid);
  }

  /**
   * Simpletest test. Tests to make sure the that revisions revert properly.
   */
  function testRevisionRevert() {
    extract( $this->setup() );

    $test_user = $this->drupalCreateUserRolePerm(array('revert revisions', 'edit any page content'));
    $this->drupalLoginUser($test_user);
    $this->drupalPostRequest("node/$node->nid/revisions/$vid/revert", array(), 'Revert');
    $newnode = node_load($node->nid);
    $this->assertTrue(($text == $newnode->body), 'Check to make sure reversions occur properly');

    $this->cleanup($node->nid);
  }

  /**
   * Simpletest test. Tests to make sure the revision deletes properly.
   */
  function testRevisionDelete() {
    extract( $this->setup() );

    $test_user = $this->drupalCreateUserRolePerm(array('delete revisions', 'delete any page content'));
    $this->drupalLoginUser($test_user);
    $this->drupalPostRequest("node/$node->nid/revisions/$vid/delete", array(), 'Delete');
    $this->assertTrue(db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d and VID = %d', $node->nid, $vid)) == 0, 'Check to make sure revisions delete properly');    $this->cleanup($node->nid);

    $this->cleanup($node->nid);
  }

  /**
   * Cleanup function used by tests. Deletes the associated node.
   */
  function cleanup($nid) {
    node_delete(array('nid' => $nid));
  }
}
?>