<?php
// $Id: node_revisions.test,v 1.4 2008-01-28 08:48:37 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 $log is TRUE, then a log message will be recorded.
   */
  function prepareRevisions($log = FALSE) {
  
    $returnarray = array();
    $numtimes = 3; // First, middle, last.
    for ($i = 0; $i < $numtimes; $i++) {
      $settings = array('revision' => 1);
      if ($log && $i == 1) {
        $logmessage = $this->randomName(32);
        $settings['log'] = $logmessage;
        $returnarray['log'] = $logmessage;
      }
      if ($i != 0) {
        $settings['nid'] = $node->nid;
      }
      $node = $this->drupalCreateNode($settings);
      if ($i == 1) {
        $returnarray['text'] = $node->body;
        $returnarray['vid'] = $node->vid;
      }
      // Avoid confusion on the revisions overview page which is sorted by r.timestamp.
      sleep(1);
    }
    $returnarray['node'] = $node;
    return $returnarray;
  }

  /**
   * Simpletest test. Tests to make sure the correct revision text appears on "view revisions" page.
   */
  function testNodeRevisions() {
    extract( $this->prepareRevisions() );

    $test_user = $this->drupalCreateUserRolePerm(array('view revisions'));
    $this->drupalLoginUser($test_user);
    $this->drupalGet("node/$node->nid/revisions/$vid/view");
    $this->assertText($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->prepareRevisions(TRUE) );

    $test_user = $this->drupalCreateUserRolePerm(array('view revisions'));
    $this->drupalLoginUser($test_user);
    $this->drupalGet("node/$node->nid/revisions");
    $this->assertText($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->prepareRevisions() );

    $test_user = $this->drupalCreateUserRolePerm(array('revert revisions', 'edit any page content'));
    $this->drupalLoginUser($test_user);
    $this->drupalPost("node/$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->prepareRevisions() );

    $test_user = $this->drupalCreateUserRolePerm(array('delete revisions', 'delete any page content'));
    $this->drupalLoginUser($test_user);
    $this->drupalPost("node/$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($nid) {
    node_delete($nid);
  }
}