path: root/modules/node/node.test

<?php
// $Id$

/**
 * Test the node_load_multiple() function.
 */
class NodeLoadMultipleUnitTest extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Load multiple nodes',
      'description' => 'Test the loading of multiple nodes.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();
    $web_user = $this->drupalCreateUser(array('create article content', 'create page content'));
    $this->drupalLogin($web_user);
  }

  /**
   * Create four nodes and ensure they're loaded correctly.
   */
  function testNodeMultipleLoad() {
    $node1 = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
    $node2 = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
    $node3 = $this->drupalCreateNode(array('type' => 'article', 'promote' => 0));
    $node4 = $this->drupalCreateNode(array('type' => 'page', 'promote' => 0));

    // Confirm that promoted nodes appear in the default node listing.
    $this->drupalGet('node');
    $this->assertText($node1->title, t('Node title appears on the default listing.'));
    $this->assertText($node2->title, t('Node title appears on the default listing.'));
    $this->assertNoText($node3->title, t('Node title does not appear in the default listing.'));
    $this->assertNoText($node4->title, t('Node title does not appear in the default listing.'));

    // Load nodes with only a condition. Nodes 3 and 4 will be loaded.
    $nodes = node_load_multiple(NULL, array('promote' => 0));
    $this->assertEqual($node3->title, $nodes[$node3->nid]->title, t('Node was loaded.'));
    $this->assertEqual($node4->title, $nodes[$node4->nid]->title, t('Node was loaded.'));
    $count = count($nodes);
    $this->assertTrue($count == 2, t('@count nodes loaded.', array('@count' => $count)));

    // Load nodes by nid. Nodes 1, 2 and 4 will be loaded.
    $nodes = node_load_multiple(array(1, 2, 4));
    $count = count($nodes);
    $this->assertTrue(count($nodes) == 3, t('@count nodes loaded', array('@count' => $count)));
    $this->assertTrue(isset($nodes[$node1->nid]), t('Node is correctly keyed in the array'));
    $this->assertTrue(isset($nodes[$node2->nid]), t('Node is correctly keyed in the array'));
    $this->assertTrue(isset($nodes[$node4->nid]), t('Node is correctly keyed in the array'));
    foreach ($nodes as $node) {
      $this->assertTrue(is_object($node), t('Node is an object'));
    }

    // Load nodes by nid, where type = article. Nodes 1, 2 and 3 will be loaded.
    $nodes = node_load_multiple(array(1, 2, 3, 4), array('type' => 'article'));
    $count = count($nodes);
    $this->assertTrue($count == 3, t('@count nodes loaded', array('@count' => $count)));
    $this->assertEqual($nodes[$node1->nid]->title, $node1->title, t('Node successfully loaded.'));
    $this->assertEqual($nodes[$node2->nid]->title, $node2->title, t('Node successfully loaded.'));
    $this->assertEqual($nodes[$node3->nid]->title, $node3->title, t('Node successfully loaded.'));
    $this->assertFalse(isset($nodes[$node4->nid]));

    // Now that all nodes have been loaded into the static cache, ensure that
    // they are loaded correctly again when a condition is passed.
    $nodes = node_load_multiple(array(1, 2, 3, 4), array('type' => 'article'));
    $count = count($nodes);
    $this->assertTrue($count == 3, t('@count nodes loaded.', array('@count' => $count)));
    $this->assertEqual($nodes[$node1->nid]->title, $node1->title, t('Node successfully loaded'));
    $this->assertEqual($nodes[$node2->nid]->title, $node2->title, t('Node successfully loaded'));
    $this->assertEqual($nodes[$node3->nid]->title, $node3->title, t('Node successfully loaded'));
    $this->assertFalse(isset($nodes[$node4->nid]), t('Node was not loaded'));

    // Load nodes by nid, where type = article and promote = 0.
    $nodes = node_load_multiple(array(1, 2, 3, 4), array('type' => 'article', 'promote' => 0));
    $count = count($nodes);
    $this->assertTrue($count == 1, t('@count node loaded', array('@count' => $count)));
    $this->assertEqual($nodes[$node3->nid]->title, $node3->title, t('Node successfully loaded.'));
  }
}

class NodeRevisionsTestCase extends DrupalWebTestCase {
  protected $nodes;
  protected $logs;

  public static function getInfo() {
    return array(
      'name' => 'Node revisions',
      'description' => 'Create a node with revisions and test viewing, reverting, and deleting revisions.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    // Create and login user.
    $web_user = $this->drupalCreateUser(array('view revisions', 'revert revisions', 'edit any page content',
                                               'delete revisions', 'delete any page content'));
    $this->drupalLogin($web_user);

    // Create initial node.
    $node = $this->drupalCreateNode();
    $settings = get_object_vars($node);
    $settings['revision'] = 1;

    $nodes = array();
    $logs = array();

    // Get original node.
    $nodes[] = $node;

    // Create three revisions.
    $revision_count = 3;
    for ($i = 0; $i < $revision_count; $i++) {
      $logs[] = $settings['log'] = $this->randomName(32);

      // Create revision with random title and body and update variables.
      $this->drupalCreateNode($settings);
      $node = node_load($node->nid); // Make sure we get revision information.
      $settings = get_object_vars($node);

      $nodes[] = $node;
    }

    $this->nodes = $nodes;
    $this->logs = $logs;
  }

  /**
   * Check node revision related operations.
   */
  function testRevisions() {
    $nodes = $this->nodes;
    $logs = $this->logs;

    // Get last node for simple checks.
    $node = $nodes[3];

    // Confirm the correct revision text appears on "view revisions" page.
    $this->drupalGet("node/$node->nid/revisions/$node->vid/view");
    $this->assertText($node->body[LANGUAGE_NONE][0]['value'], t('Correct text displays for version.'));

    // Confirm the correct log message appears on "revisions overview" page.
    $this->drupalGet("node/$node->nid/revisions");
    foreach ($logs as $log) {
      $this->assertText($log, t('Log message found.'));
    }

    // Confirm that revisions revert properly.
    $this->drupalPost("node/$node->nid/revisions/{$nodes[1]->vid}/revert", array(), t('Revert'));
    $this->assertRaw(t('@type %title has been reverted back to the revision from %revision-date.',
                        array('@type' => 'Basic page', '%title' => $nodes[1]->title,
                              '%revision-date' => format_date($nodes[1]->revision_timestamp))), t('Revision reverted.'));
    $reverted_node = node_load($node->nid);
    $this->assertTrue(($nodes[1]->body[LANGUAGE_NONE][0]['value'] == $reverted_node->body[LANGUAGE_NONE][0]['value']), t('Node reverted correctly.'));

    // Confirm revisions delete properly.
    $this->drupalPost("node/$node->nid/revisions/{$nodes[1]->vid}/delete", array(), t('Delete'));
    $this->assertRaw(t('Revision from %revision-date of @type %title has been deleted.',
                        array('%revision-date' => format_date($nodes[1]->revision_timestamp),
                              '@type' => 'Basic page', '%title' => $nodes[1]->title)), t('Revision deleted.'));
    $this->assertTrue(db_query('SELECT COUNT(vid) FROM {node_revision} WHERE nid = :nid and vid = :vid', array(':nid' => $node->nid, ':vid' => $nodes[1]->vid))->fetchField() == 0, t('Revision not found.'));
  }
}

class PageEditTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node edit',
      'description' => 'Create a node and test node edit functionality.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    $web_user = $this->drupalCreateUser(array('edit own page content', 'create page content'));
    $this->drupalLogin($web_user);
  }

  /**
   * Check node edit functionality.
   */
  function testPageEdit() {
    $langcode = LANGUAGE_NONE;
    $title_key = "title";
    $body_key = "body[$langcode][0][value]";
    // Create node to edit.
    $edit = array();
    $edit[$title_key] = $this->randomName(8);
    $edit[$body_key] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the node exists in the database.
    $node = $this->drupalGetNodeByTitle($edit[$title_key]);
    $this->assertTrue($node, t('Node found in database.'));

    // Check that "edit" link points to correct page.
    $this->clickLink(t('Edit'));
    $edit_url = url("node/$node->nid/edit", array('absolute' => TRUE));
    $actual_url = $this->getURL();
    $this->assertEqual($edit_url, $actual_url, t('On edit page.'));

    // Check that the title and body fields are displayed with the correct values.
    $active = '<span class="element-invisible">' . t('(active tab)') . '</span>';
    $link_text = t('!local-task-title !active', array('!local-task-title' => t('Edit'), '!active' => $active));
    $this->assertText(strip_tags($link_text), 0, t('Edit tab found and marked active.'));
    $this->assertFieldByName($title_key, $edit[$title_key], t('Title field displayed.'));
    $this->assertFieldByName($body_key, $edit[$body_key], t('Body field displayed.'));

    // Edit the content of the node.
    $edit = array();
    $edit[$title_key] = $this->randomName(8);
    $edit[$body_key] = $this->randomName(16);
    // Stay on the current page, without reloading.
    $this->drupalPost(NULL, $edit, t('Save'));

    // Check that the title and body fields are displayed with the updated values.
    $this->assertText($edit[$title_key], t('Title displayed.'));
    $this->assertText($edit[$body_key], t('Body displayed.'));

    // Login as a second administrator user.
    $second_web_user = $this->drupalCreateUser(array('administer nodes', 'edit any page content'));
    $this->drupalLogin($second_web_user);
    // Edit the same node, creating a new revision.
    $this->drupalGet("node/$node->nid/edit");
    $edit = array();
    $edit['title'] = $this->randomName(8);
    $edit[$body_key] = $this->randomName(16);
    $edit['revision'] = TRUE;
    $this->drupalPost(NULL, $edit, t('Save'));

    // Ensure that the node revision has been created.
    $revised_node = $this->drupalGetNodeByTitle($edit['title']);
    $this->assertNotIdentical($node->vid, $revised_node->vid, 'A new revision has been created.');
    // Ensure that the node author is preserved when it was not changed in the
    // edit form.
    $this->assertIdentical($node->uid, $revised_node->uid, 'The node author has been preserved.');
    // Ensure that the revision authors are different since the revisions were
    // made by different users.
    $first_node_version = node_load($node->nid, $node->vid);
    $second_node_version = node_load($node->nid, $revised_node->vid);
    $this->assertNotIdentical($first_node_version->revision_uid, $second_node_version->revision_uid, 'Each revision has a distinct user.');
  }
}

class PagePreviewTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node preview',
      'description' => 'Test node preview functionality.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    $web_user = $this->drupalCreateUser(array('edit own page content', 'create page content'));
    $this->drupalLogin($web_user);
  }

  /**
   * Check the node preview functionality.
   */
  function testPagePreview() {
    $langcode = LANGUAGE_NONE;
    $title_key = "title";
    $body_key = "body[$langcode][0][value]";

    // Fill in node creation form and preview node.
    $edit = array();
    $edit[$title_key] = $this->randomName(8);
    $edit[$body_key] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Preview'));

    // Check that the preview is displaying the title and body.
    $this->assertTitle(t('Preview | Drupal'), t('Basic page title is preview.'));
    $this->assertText($edit[$title_key], t('Title displayed.'));
    $this->assertText($edit[$body_key], t('Body displayed.'));

    // Check that the title and body fields are displayed with the correct values.
    $this->assertFieldByName($title_key, $edit[$title_key], t('Title field displayed.'));
    $this->assertFieldByName($body_key, $edit[$body_key], t('Body field displayed.'));
  }

  /**
   * Check the node preview functionality, when using revisions.
   */
  function testPagePreviewWithRevisions() {
    $langcode = LANGUAGE_NONE;
    $title_key = "title";
    $body_key = "body[$langcode][0][value]";
    // Force revision on "Basic page" content.
    variable_set('node_options_page', array('status', 'revision'));

    // Fill in node creation form and preview node.
    $edit = array();
    $edit[$title_key] = $this->randomName(8);
    $edit[$body_key] = $this->randomName(16);
    $edit['log'] = $this->randomName(32);
    $this->drupalPost('node/add/page', $edit, t('Preview'));

    // Check that the preview is displaying the title and body.
    $this->assertTitle(t('Preview | Drupal'), t('Basic page title is preview.'));
    $this->assertText($edit[$title_key], t('Title displayed.'));
    $this->assertText($edit[$body_key], t('Body displayed.'));

    // Check that the title and body fields are displayed with the correct values.
    $this->assertFieldByName($title_key, $edit[$title_key], t('Title field displayed.'));
    $this->assertFieldByName($body_key, $edit[$body_key], t('Body field displayed.'));

    // Check that the log field has the correct value.
    $this->assertFieldByName('log', $edit['log'], t('Log field displayed.'));
  }
}

class NodeCreationTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node creation',
      'description' => 'Create a node and test saving it.',
      'group' => 'Node',
    );
  }

  function setUp() {
    // Enable dummy module that implements hook_node_post_save for exceptions.
    parent::setUp('node_test_exception');

    $web_user = $this->drupalCreateUser(array('create page content', 'edit own page content'));
    $this->drupalLogin($web_user);
  }

  /**
   * Create a "Basic page" node and verify its consistency in the database.
   */
  function testNodeCreation() {
    // Create a node.
    $edit = array();
    $langcode = LANGUAGE_NONE;
    $edit["title"] = $this->randomName(8);
    $edit["body[$langcode][0][value]"] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the Basic page has been created.
    $this->assertRaw(t('!post %title has been created.', array('!post' => 'Basic page', '%title' => $edit["title"])), t('Basic page created.'));

    // Check that the node exists in the database.
    $node = $this->drupalGetNodeByTitle($edit["title"]);
    $this->assertTrue($node, t('Node found in database.'));
  }

  /**
   * Create a page node and verify that a transaction rolls back the failed creation
   */
  function testFailedPageCreation() {
    // Create a node.
    $edit = array();
    $langcode = LANGUAGE_NONE;
    $edit["title"] = 'testing_transaction_exception';
    $edit["body[$langcode][0][value]"] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Save'));

    if (Database::getConnection()->supportsTransactions()) {
      // Check that the node does not exist in the database.
      $node = $this->drupalGetNodeByTitle($edit["title"]);
      $this->assertFalse($node, t('Transactions supported, and node not found in database.'));
    }
    else {
      // Check that the node exists in the database.
      $node = $this->drupalGetNodeByTitle($edit["title"]);
      $this->assertTrue($node, t('Transactions not supported, and node found in database.'));

      // Check that the failed rollback was logged.
      $records = db_query("SELECT wid FROM {watchdog} WHERE message LIKE 'Explicit rollback failed%'")->fetchAll();
      $this->assertTrue(count($records) > 0, t('Transactions not supported, and rollback error logged to watchdog.'));
    }

    // Check that the rollback error was logged.
    $records = db_query("SELECT wid FROM {watchdog} WHERE message LIKE 'Test exception for rollback.'")->fetchAll();
    $this->assertTrue(count($records) > 0, t('Rollback explanatory error logged to watchdog.'));
  }
}

class PageViewTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node edit permissions',
      'description' => 'Create a node and test edit permissions.',
      'group' => 'Node',
    );
  }

  /**
   * Creates a node and then an anonymous and unpermissioned user attempt to edit the node.
   */
  function testPageView() {
    // Create a node to view.
    $node = $this->drupalCreateNode();
    $this->assertTrue(node_load($node->nid), t('Node created.'));

    // Try to edit with anonymous user.
    $html = $this->drupalGet("node/$node->nid/edit");
    $this->assertResponse(403);

    // Create a user without permission to edit node.
    $web_user = $this->drupalCreateUser(array('access content'));
    $this->drupalLogin($web_user);

    // Attempt to access edit page.
    $this->drupalGet("node/$node->nid/edit");
    $this->assertResponse(403);

    // Create user with permission to edit node.
    $web_user = $this->drupalCreateUser(array('bypass node access'));
    $this->drupalLogin($web_user);

    // Attempt to access edit page.
    $this->drupalGet("node/$node->nid/edit");
    $this->assertResponse(200);
  }
}

class SummaryLengthTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Summary length',
      'description' => 'Test summary length.',
      'group' => 'Node',
    );
  }

  /**
   * Creates a node and then an anonymous and unpermissioned user attempt to edit the node.
   */
  function testSummaryLength() {
    // Create a node to view.
    $settings = array(
      'body' => array(LANGUAGE_NONE => array(array('value' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam vitae arcu at leo cursus laoreet. Curabitur dui tortor, adipiscing malesuada tempor in, bibendum ac diam. Cras non tellus a libero pellentesque condimentum. What is a Drupalism? Suspendisse ac lacus libero. Ut non est vel nisl faucibus interdum nec sed leo. Pellentesque sem risus, vulputate eu semper eget, auctor in libero. Ut fermentum est vitae metus convallis scelerisque. Phasellus pellentesque rhoncus tellus, eu dignissim purus posuere id. Quisque eu fringilla ligula. Morbi ullamcorper, lorem et mattis egestas, tortor neque pretium velit, eget eleifend odio turpis eu purus. Donec vitae metus quis leo pretium tincidunt a pulvinar sem. Morbi adipiscing laoreet mauris vel placerat. Nullam elementum, nisl sit amet scelerisque malesuada, dolor nunc hendrerit quam, eu ultrices erat est in orci. Curabitur feugiat egestas nisl sed accumsan.'))),
      'promote' => 1,
    );
    $node = $this->drupalCreateNode($settings);
    $this->assertTrue(node_load($node->nid), t('Node created.'));

    // Create user with permission to view the node.
    $web_user = $this->drupalCreateUser(array('access content', 'administer content types'));
    $this->drupalLogin($web_user);

    // Attempt to access the front page.
    $this->drupalGet("node");
    // The node teaser when it has 600 characters in length
    $expected = 'What is a Drupalism?';
    $this->assertRaw($expected, t('Check that the summary is 600 characters in length'), 'Node');

    // Edit the teaser length for "Basic page" content type
    $edit = array (
      'teaser_length' => 200,
    );
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
    // Attempt to access the front page again and check if the summary is now only 200 characters in length.
    $this->drupalGet("node");
    $this->assertNoRaw($expected, t('Check that the summary is not longer than 200 characters'), 'Node');
  }
}

class NodeTitleXSSTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node title XSS filtering',
      'description' => 'Create a node with dangerous tags in its title and test that they are escaped.',
      'group' => 'Node',
    );
  }

  function testNodeTitleXSS() {
    // Prepare a user to do the stuff.
    $web_user = $this->drupalCreateUser(array('create page content', 'edit any page content'));
    $this->drupalLogin($web_user);

    $xss = '<script>alert("xss")</script>';
    $title = $xss . $this->randomName();
    $edit = array("title" => $title);

    $this->drupalPost('node/add/page', $edit, t('Preview'));
    $this->assertNoRaw($xss, t('Harmful tags are escaped when previewing a node.'));

    $settings = array('title' => $title);
    $node = $this->drupalCreateNode($settings);

    $this->drupalGet('node/' . $node->nid);
    // assertTitle() decodes HTML-entities inside the <title> element.
    $this->assertTitle($edit["title"] . ' | Drupal', t('Title is diplayed when viewing a node.'));
    $this->assertNoRaw($xss, t('Harmful tags are escaped when viewing a node.'));

    $this->drupalGet('node/' . $node->nid . '/edit');
    $this->assertNoRaw($xss, t('Harmful tags are escaped when editing a node.'));
  }
}

class NodeBlockTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Block availability',
      'description' => 'Check if the syndicate block is available.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    // Create and login user
    $admin_user = $this->drupalCreateUser(array('administer blocks'));
    $this->drupalLogin($admin_user);
  }

  function testSearchFormBlock() {
    // Set block title to confirm that the interface is availble.
    $this->drupalPost('admin/structure/block/manage/node/syndicate/configure', array('title' => $this->randomName(8)), t('Save block'));
    $this->assertText(t('The block configuration has been saved.'), t('Block configuration set.'));

    // Set the block to a region to confirm block is availble.
    $edit = array();
    $edit['node_syndicate[region]'] = 'footer';
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
    $this->assertText(t('The block settings have been updated.'), t('Block successfully move to footer region.'));
  }
}

/**
 * Check that the post information displays when enabled for a content type.
 */
class NodePostSettingsTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node post information display',
      'description' => 'Check that the post information (submitted by Username on date) text displays appropriately.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    $web_user = $this->drupalCreateUser(array('create page content', 'administer content types', 'access user profiles'));
    $this->drupalLogin($web_user);
  }

  /**
   * Set "Basic page" content type to display post information and confirm its presence on a new node.
   */
  function testPagePostInfo() {

    // Set "Basic page" content type to display post information.
    $edit = array();
    $edit['node_submitted'] = TRUE;
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));

    // Create a node.
    $edit = array();
    $langcode = LANGUAGE_NONE;
    $edit["title"] = $this->randomName(8);
    $edit["body[$langcode][0][value]"] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the post information is displayed.
    $node = $this->drupalGetNodeByTitle($edit["title"]);
    $this->assertRaw('<span class="submitted">', t('Post information is displayed.'));
  }

  /**
   * Set "Basic page" content type to not display post information and confirm its absence on a new node.
   */
  function testPageNotPostInfo() {

    // Set "Basic page" content type to display post information.
    $edit = array();
    $edit['node_submitted'] = FALSE;
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));

    // Create a node.
    $edit = array();
    $langcode = LANGUAGE_NONE;
    $edit["title"] = $this->randomName(8);
    $edit["body[$langcode][0][value]"] = $this->randomName(16);
    $this->drupalPost('node/add/page', $edit, t('Save'));

    // Check that the post information is displayed.
    $node = $this->drupalGetNodeByTitle($edit["title"]);
    $this->assertNoRaw('<span class="submitted">', t('Post information is not displayed.'));
  }
}

/**
 * Ensure that data added to nodes by other modules appears in RSS feeds.
 *
 * Create a node, enable the node_test module to ensure that extra data is
 * added to the node->content array, then verify that the data appears on the
 * sitewide RSS feed at rss.xml.
 */
class NodeRSSContentTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node RSS Content',
      'description' => 'Ensure that data added to nodes by other modules appears in RSS feeds.',
      'group' => 'Node',
    );
  }

  function setUp() {
    // Enable dummy module that implements hook_node_view.
    parent::setUp('node_test');
  }

  /**
   * Create a new node and ensure that it includes the custom data when added
   * to an RSS feed.
   */
  function testNodeRSSContent() {
    // Create a node.
    $node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));

    $this->drupalGet('rss.xml');

    // Check that content added in 'rss' view mode appear in RSS feed.
    $rss_only_content = t('Extra data that should appear only in the RSS feed for node !nid.', array('!nid' => $node->nid));
    $this->assertText($rss_only_content, t('Node content designated for RSS appear in RSS feed.'));

    // Check that content added in view modes other than 'rss' doesn't
    // appear in RSS feed.
    $non_rss_content = t('Extra data that should appear everywhere except the RSS feed for node !nid.', array('!nid' => $node->nid));
    $this->assertNoText($non_rss_content, t('Node content not designed for RSS doesn\'t appear in RSS feed.'));

    // Check that extra RSS elements and namespaces are added to RSS feed.
    $test_element = array(
      'key' => 'testElement',
      'value' => t('Value of testElement RSS element for node !nid.', array('!nid' => $node->nid)),
    );
    $test_ns = 'xmlns:drupaltest="http://example.com/test-namespace"';
    $this->assertRaw(format_xml_elements(array($test_element)), t('Extra RSS elements appear in RSS feed.'));
    $this->assertRaw($test_ns, t('Extra namespaces appear in RSS feed.'));

    // Check that content added in 'rss' view mode doesn't appear when
    // viewing node.
    $this->drupalGet("node/$node->nid");
    $this->assertNoText($rss_only_content, t('Node content designed for RSS doesn\'t appear when viewing node.'));
  }
}

/**
 * Test case to verify basic node_access functionality.
 * @todo Cover hook_access in a separate test class.
 * hook_node_access_records is covered in another test class.
 */
class NodeAccessUnitTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node access',
      'description' => 'Test node_access function',
      'group' => 'Node',
    );
  }

  /**
   * Asserts node_access correctly grants or denies access.
   */
  function assertNodeAccess($ops, $node, $account) {
    foreach ($ops as $op => $result) {
      $msg = t("node_access returns @result with operation '@op'.", array('@result' => $result ? 'true' : 'false', '@op' => $op));
      $this->assertEqual($result, node_access($op, $node, $account), $msg);
    }
  }

  function setUp() {
    parent::setUp();
    // Clear permissions for authenticated users.
    db_delete('role_permission')
      ->condition('rid', DRUPAL_AUTHENTICATED_RID)
      ->execute();
  }

  /**
   * Runs basic tests for node_access function.
   */
  function testNodeAccess() {
    // Ensures user without 'access content' permission can do nothing.
    $web_user1 = $this->drupalCreateUser(array('create page content', 'edit any page content', 'delete any page content'));
    $node1 = $this->drupalCreateNode(array('type' => 'page'));
    $this->assertNodeAccess(array('create' => FALSE), 'page', $web_user1);
    $this->assertNodeAccess(array('view' => FALSE, 'update' => FALSE, 'delete' => FALSE), $node1, $web_user1);

    // Ensures user with 'bypass node access' permission can do everything.
    $web_user2 = $this->drupalCreateUser(array('bypass node access'));
    $node2 = $this->drupalCreateNode(array('type' => 'page'));
    $this->assertNodeAccess(array('create' => TRUE), 'page', $web_user2);
    $this->assertNodeAccess(array('view' => TRUE, 'update' => TRUE, 'delete' => TRUE), $node2, $web_user2);

    // User cannot 'view own unpublished content'.
    $web_user3 = $this->drupalCreateUser(array('access content'));
    $node3 = $this->drupalCreateNode(array('status' => 0, 'uid' => $web_user3->uid));
    $this->assertNodeAccess(array('view' => FALSE), $node3, $web_user3);

    // User can 'view own unpublished content', but another user cannot.
    $web_user4 = $this->drupalCreateUser(array('access content', 'view own unpublished content'));
    $web_user5 = $this->drupalCreateUser(array('access content', 'view own unpublished content'));
    $node4 = $this->drupalCreateNode(array('status' => 0, 'uid' => $web_user4->uid));
    $this->assertNodeAccess(array('view' => TRUE, 'update' => FALSE), $node4, $web_user4);
    $this->assertNodeAccess(array('view' => FALSE), $node4, $web_user5);

    // Tests the default access provided for a published node.
    $node5 = $this->drupalCreateNode();
    $this->assertNodeAccess(array('create' => FALSE), 'page', $web_user3);
    $this->assertNodeAccess(array('view' => TRUE, 'update' => FALSE, 'delete' => FALSE), $node5, $web_user3);
  }
}

/**
 * Test case to verify hook_node_access_records functionality.
 */
class NodeAccessRecordsUnitTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node access records',
      'description' => 'Test hook_node_access_records when acquiring grants.',
      'group' => 'Node',
    );
  }

  function setUp() {
    // Enable dummy module that implements hook_node_grants(),
    // hook_node_access_records(), hook_node_grants_alter() and
    // hook_node_access_records_alter().
    parent::setUp('node_test');
  }

  /**
   * Create a node and test the creation of node access rules.
   */
  function testNodeAccessRecords() {
    // Create an article node.
    $node1 = $this->drupalCreateNode(array('type' => 'article'));
    $this->assertTrue(node_load($node1->nid), t('Article node created.'));

    // Check to see if grants added by node_test_node_access_records made it in.
    $records = db_query('SELECT realm, gid FROM {node_access} WHERE nid = :nid', array(':nid' => $node1->nid))->fetchAll();
    $this->assertEqual(count($records), 1, t('Returned the correct number of rows.'));
    $this->assertEqual($records[0]->realm, 'test_article_realm', t('Grant with article_realm acquired for node without alteration.'));
    $this->assertEqual($records[0]->gid, 1, t('Grant with gid = 1 acquired for node without alteration.'));

    // Create an unpromoted "Basic page" node.
    $node2 = $this->drupalCreateNode(array('type' => 'page', 'promote' => 0));
    $this->assertTrue(node_load($node1->nid), t('Unpromoted basic page node created.'));

    // Check to see if grants added by node_test_node_access_records made it in.
    $records = db_query('SELECT realm, gid FROM {node_access} WHERE nid = :nid', array(':nid' => $node2->nid))->fetchAll();
    $this->assertEqual(count($records), 1, t('Returned the correct number of rows.'));
    $this->assertEqual($records[0]->realm, 'test_page_realm', t('Grant with page_realm acquired for node without alteration.'));
    $this->assertEqual($records[0]->gid, 1, t('Grant with gid = 1 acquired for node without alteration.'));

    // Create an unpromoted, unpublished "Basic page" node.
    $node3 = $this->drupalCreateNode(array('type' => 'page', 'promote' => 0, 'status' => 0));
    $this->assertTrue(node_load($node3->nid), t('Unpromoted, unpublished basic page node created.'));

    // Check to see if grants added by node_test_node_access_records made it in.
    $records = db_query('SELECT realm, gid FROM {node_access} WHERE nid = :nid', array(':nid' => $node3->nid))->fetchAll();
    $this->assertEqual(count($records), 1, t('Returned the correct number of rows.'));
    $this->assertEqual($records[0]->realm, 'test_page_realm', t('Grant with page_realm acquired for node without alteration.'));
    $this->assertEqual($records[0]->gid, 1, t('Grant with gid = 1 acquired for node without alteration.'));

    // Create a promoted "Basic page" node.
    $node4 = $this->drupalCreateNode(array('type' => 'page', 'promote' => 1));
    $this->assertTrue(node_load($node4->nid), t('Promoted basic page node created.'));

    // Check to see if grant added by node_test_node_access_records was altered
    // by node_test_node_access_records_alter.
    $records = db_query('SELECT realm, gid FROM {node_access} WHERE nid = :nid', array(':nid' => $node4->nid))->fetchAll();
    $this->assertEqual(count($records), 1, t('Returned the correct number of rows.'));
    $this->assertEqual($records[0]->realm, 'test_alter_realm', t('Altered grant with alter_realm acquired for node.'));
    $this->assertEqual($records[0]->gid, 2, t('Altered grant with gid = 2 acquired for node.'));

    // Check to see if we can alter grants with hook_node_grants_alter().
    $operations = array('view', 'update', 'delete');
    // Create a user that is allowed to access content.
    $web_user = $this->drupalCreateUser(array('access content'));
    foreach ($operations as $op) {
      $grants = node_test_node_grants($op, $web_user);
      $altered_grants = $grants;
      drupal_alter('node_grants', $altered_grants, $web_user, $op);
      $this->assertNotEqual($grants, $altered_grants, t('Altered the %op grant for a user.', array('%op' => $op)));
    }
  }
}

/**
 * Test case to check node save related functionality, including import-save
 */
class NodeSaveTestCase extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Node save',
      'description' => 'Test node_save() for saving content.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();
    // Create a user that is allowed to post; we'll use this to test the submission.
    $web_user = $this->drupalCreateUser(array('create article content'));
    $this->drupalLogin($web_user);
    $this->web_user = $web_user;
  }

  /**
   * Import test, to check if custom node ids are saved properly.
   * Workflow:
   *  - first create a piece of content
   *  - save the content
   *  - check if node exists
   */
  function testImport() {
    // Node ID must be a number that is not in the database.
    $max_nid = db_query('SELECT MAX(nid) FROM {node}')->fetchField();
    $test_nid = $max_nid + mt_rand(1000, 1000000);
    $title = $this->randomName(8);
    $node = array(
      'title' => $title,
      'body' => array(LANGUAGE_NONE => array(array('value' => $this->randomName(32)))),
      'uid' => $this->web_user->uid,
      'type' => 'article',
      'nid' => $test_nid,
      'is_new' => TRUE,
    );
    $node = node_submit((object)$node);

    // Verify that node_submit did not overwrite the user ID.
    $this->assertEqual($node->uid, $this->web_user->uid, t('Function node_submit() preserves user ID'));

    node_save($node);
    // Test the import.
    $node_by_nid = node_load($test_nid);
    $this->assertTrue($node_by_nid, t('Node load by node ID.'));

    $node_by_title = $this->drupalGetNodeByTitle($title);
    $this->assertTrue($node_by_title, t('Node load by node title.'));
  }
}

/**
 * Tests related to node types.
 */
class NodeTypeTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node types',
      'description' => 'Ensures that node type functions work correctly.',
      'group' => 'Node',
    );
  }

  /**
   * Ensure that node type functions (node_type_get_*) work correctly.
   *
   * Load available node types and validate the returned data.
   */
  function testNodeTypeGetFunctions() {
    $node_types = node_type_get_types();
    $node_names = node_type_get_names();

    $this->assertTrue(isset($node_types['article']), t('Node type article is available.'));
    $this->assertTrue(isset($node_types['page']), t('Node type basic page is available.'));

    $this->assertEqual($node_types['article']->name, $node_names['article'], t('Correct node type base has been returned.'));

    $this->assertEqual($node_types['article'], node_type_get_type('article'), t('Correct node type has been returned.'));
    $this->assertEqual($node_types['article']->name, node_type_get_name('article'), t('Correct node type name has been returned.'));
    $this->assertEqual($node_types['page']->base, node_type_get_base('page'), t('Correct node type base has been returned.'));
  }

  /**
   * Test creating a content type.
   */
  function testNodeTypeCreation() {
    $type = $this->drupalCreateContentType();

    $type_exists = db_query('SELECT 1 FROM {node_type} WHERE type = :type', array(':type' => $type->type))->fetchField();
    $this->assertTrue($type_exists, 'The new content type has been created in the database.');

    // Login a test user.
    $web_user = $this->drupalCreateUser(array('create ' . $type->name . ' content'));
    $this->drupalLogin($web_user);

    $this->drupalGet('node/add/' . str_replace('_', '-', $type->name));
    $this->assertResponse(200, 'The new content type can be accessed at node/add.');
  }

  /**
   * Test editing a node type using the UI.
   */
  function testNodeTypeEditing() {
    $web_user = $this->drupalCreateUser(array('bypass node access', 'administer content types'));
    $this->drupalLogin($web_user);

    $instance = field_info_instance('node', 'body', 'page');
    $this->assertEqual($instance['label'], 'Body', t('Body field was found.'));

    // Verify that title and body fields are displayed.
    $this->drupalGet('node/add/page');
    $this->assertRaw('Title', t('Title field was found.'));
    $this->assertRaw('Body', t('Body field was found.'));

    // Rename the title field and remove the body field.
    $edit = array(
      'title_label' => 'Foo',
      'body_label' => '',
    );
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
    field_info_cache_clear();

    $this->assertFalse(field_info_instance('node', 'body', 'page'), t('Body field was removed.'));
    $this->drupalGet('node/add/page');
    $this->assertRaw('Foo', t('New title label was displayed.'));
    $this->assertNoRaw('Title', t('Old title label was not displayed.'));
    $this->assertNoRaw('Full text', t('Body field was not found.'));

    // Add the body field again and change the name, machine name and description.
    $edit = array(
      'name' => 'Bar',
      'type' => 'bar',
      'description' => 'Lorem ipsum.',
      'body_label' => 'Baz',
    );
    $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
    field_info_cache_clear();

    $instance = field_info_instance('node', 'body', 'bar');
    $this->assertEqual($instance['label'], 'Baz', t('Body field was added.'));
    $this->drupalGet('node/add');
    $this->assertRaw('Bar', t('New name was displayed.'));
    $this->assertRaw('Lorem ipsum', t('New description was displayed.'));
    $this->clickLink('Bar');
    $this->assertEqual(url('node/add/bar', array('absolute' => TRUE)), $this->getUrl(), t('New machine name was used in URL.'));
    $this->assertRaw('Foo', t('Title field was found.'));
    $this->assertRaw('Baz', t('Body field was found.'));
  }
}

/**
 * Rebuild the node_access table.
 */
class NodeAccessRebuildTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node access rebuild',
      'description' => 'Ensures that node access rebuild functions work correctly.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    $web_user = $this->drupalCreateUser(array('administer site configuration', 'access administration pages', 'access site reports'));
    $this->drupalLogin($web_user);
    $this->web_user = $web_user;
  }

  function testNodeAccessRebuild() {
    $this->drupalGet('admin/reports/status');
    $this->clickLink(t('Rebuild permissions'));
    $this->drupalPost(NULL, array(), t('Rebuild permissions'));
    $this->assertText(t('Content permissions have been rebuilt.'));
  }
}

/**
 * Test node administration page functionality.
 */
class NodeAdminTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node administration',
      'description' => 'Test node administration page functionality.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp();

    // Remove the "view own unpublished content" permission which is set
    // by default for authenticated users so we can test this permission
    // correctly.
    user_role_revoke_permissions(DRUPAL_AUTHENTICATED_RID, array('view own unpublished content'));

    $this->admin_user = $this->drupalCreateUser(array('access administration pages', 'access content overview', 'administer nodes', 'bypass node access'));
    $this->base_user_1 = $this->drupalCreateUser(array('access content overview'));
    $this->base_user_2 = $this->drupalCreateUser(array('access content overview', 'view own unpublished content'));
    $this->base_user_3 = $this->drupalCreateUser(array('access content overview', 'bypass node access'));
  }

  /**
   * Tests content overview with different user permissions.
   *
   * Taxonomy filters are tested separately.
   * @see TaxonomyNodeFilterTestCase
   */
  function testContentAdminPages() {
    $this->drupalLogin($this->admin_user);

    $nodes['published_page'] = $this->drupalCreateNode(array('type' => 'page'));
    $nodes['published_article'] = $this->drupalCreateNode(array('type' => 'article'));
    $nodes['unpublished_page_1'] = $this->drupalCreateNode(array('type' => 'page', 'uid' => $this->base_user_1->uid, 'status' => 0));
    $nodes['unpublished_page_2'] = $this->drupalCreateNode(array('type' => 'page', 'uid' => $this->base_user_2->uid, 'status' => 0));

    // Verify view, edit, and delete links for any content.
    $this->drupalGet('admin/content');
    $this->assertResponse(200);
    foreach ($nodes as $node) {
      $this->assertLinkByHref('node/' . $node->nid);
      $this->assertLinkByHref('node/' . $node->nid . '/edit');
      $this->assertLinkByHref('node/' . $node->nid . '/delete');
      // Verify tableselect.
      $this->assertFieldByName('nodes[' . $node->nid . ']', '', t('Tableselect found.'));
    }

    // Verify filtering by publishing status.
    $edit = array(
      'status' => 'status-1',
    );
    $this->drupalPost(NULL, $edit, t('Filter'));
    $this->assertRaw(t('<strong>%type</strong> is <strong>%value</strong>', array('%type' => t('status'), '%value' => t('published'))), t('Content list is filtered by status.'));
    $this->assertLinkByHref('node/' . $nodes['published_page']->nid . '/edit');
    $this->assertLinkByHref('node/' . $nodes['published_article']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid . '/edit');

    // Verify filtering by status and content type.
    $edit = array(
      'type' => 'page',
    );
    $this->drupalPost(NULL, $edit, t('Refine'));
    $this->assertRaw(t('<strong>%type</strong> is <strong>%value</strong>', array('%type' => t('status'), '%value' => t('published'))), t('Content list is filtered by status.'));
    $this->assertRaw(t('<strong>%type</strong> is <strong>%value</strong>', array('%type' => t('type'), '%value' => 'Basic page')), t('Content list is filtered by content type.'));
    $this->assertLinkByHref('node/' . $nodes['published_page']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['published_article']->nid . '/edit');

    // Verify no operation links are displayed for regular users.
    $this->drupalLogout();
    $this->drupalLogin($this->base_user_1);
    $this->drupalGet('admin/content');
    $this->assertResponse(200);
    $this->assertLinkByHref('node/' . $nodes['published_page']->nid);
    $this->assertLinkByHref('node/' . $nodes['published_article']->nid);
    $this->assertNoLinkByHref('node/' . $nodes['published_page']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['published_page']->nid . '/delete');
    $this->assertNoLinkByHref('node/' . $nodes['published_article']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['published_article']->nid . '/delete');

    // Verify no unpublished content is displayed without permission.
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid);
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid . '/delete');

    // Verify no tableselect.
    $this->assertNoFieldByName('nodes[' . $nodes['published_page']->nid . ']', '', t('No tableselect found.'));

    // Verify unpublished content is displayed with permission.
    $this->drupalLogout();
    $this->drupalLogin($this->base_user_2);
    $this->drupalGet('admin/content');
    $this->assertResponse(200);
    $this->assertLinkByHref('node/' . $nodes['unpublished_page_2']->nid);
    // Verify no operation links are displayed.
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_2']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_2']->nid . '/delete');

    // Verify user cannot see unpublished content of other users.
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid);
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid . '/edit');
    $this->assertNoLinkByHref('node/' . $nodes['unpublished_page_1']->nid . '/delete');

    // Verify no tableselect.
    $this->assertNoFieldByName('nodes[' . $nodes['unpublished_page_2']->nid . ']', '', t('No tableselect found.'));

    // Verify node access can be bypassed.
    $this->drupalLogout();
    $this->drupalLogin($this->base_user_3);
    $this->drupalGet('admin/content');
    $this->assertResponse(200);
    foreach ($nodes as $node) {
      $this->assertLinkByHref('node/' . $node->nid);
      $this->assertLinkByHref('node/' . $node->nid . '/edit');
      $this->assertLinkByHref('node/' . $node->nid . '/delete');
    }
  }
}

/**
 * Test node title.
 */
class NodeTitleTestCase extends DrupalWebTestCase {
  protected $admin_user;

  public static function getInfo() {
    return array(
      'name' => 'Node title',
      'description' => 'Test node title.',
      'group' => 'Node'
    );
  }

  function setUp() {
    parent::setUp();
    $this->admin_user = $this->drupalCreateUser(array('administer nodes', 'create article content', 'create page content'));
    $this->drupalLogin($this->admin_user);
  }

  /**
   *  Create one node and test if the node title has the correct value.
   */
  function testNodeTitle() {
    // Create "Basic page" content with title
    $settings = array(
      'title' => $this->randomName(8),
    );
    $node = $this->drupalCreateNode($settings);

    // Test <title> tag.
    $this->drupalGet("node/$node->nid");
    $xpath = '//title';
    $this->assertEqual(current($this->xpath($xpath)), $node->title .' | Drupal', 'Page title is equal to node title.', 'Node');

    // Test breadcrumb in comment preview.
    $this->drupalGet("comment/reply/$node->nid");
    $xpath = '//div[@class="breadcrumb"]/a[last()]';
    $this->assertEqual(current($this->xpath($xpath)), $node->title, 'Node breadcrumb is equal to node title.', 'Node');

    // Test node title in comment preview.
    $xpath = '//div[@id="node-'. $node->nid .'"]/h2/a';
    $this->assertEqual(current($this->xpath($xpath)), $node->title, 'Node preview title is equal to node title.', 'Node');
  }
}

/**
 * Test the node_feed() functionality
 */
class NodeFeedTestCase extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node feed',
      'description' => 'Ensures that node_feed() functions correctly.',
      'group' => 'Node',
   );
  }

  /**
   * Ensure that node_feed accepts and prints extra channel elements.
   */
  function testNodeFeedExtraChannelElements() {
    ob_start();
    node_feed(array(), array('copyright' => 'Drupal is a registered trademark of Dries Buytaert.'));
    $output = ob_get_clean();

    $this->assertTrue(strpos($output, '<copyright>Drupal is a registered trademark of Dries Buytaert.</copyright>') !== FALSE);
  }
}

/**
 * Functional tests for the node module blocks.
 */
class NodeBlockFunctionalTest extends DrupalWebTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Node blocks',
      'description' => 'Test node block functionality.',
      'group' => 'Node',
    );
  }

  function setUp() {
    parent::setUp('node');

    // Create users and test node.
    $this->admin_user = $this->drupalCreateUser(array('administer content types', 'administer nodes', 'administer blocks'));
    $this->web_user = $this->drupalCreateUser(array('access content', 'create article content'));
  }

  /**
   * Test the recent comments block.
   */
  function testRecentNodeBlock() {
    $this->drupalLogin($this->admin_user);

    // Disallow anonymous users to view content.
    user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
      'access content' => FALSE,
    ));

    // Set the block to a region to confirm block is available.
    $edit = array(
      'node_recent[region]' => 'sidebar_first',
    );
    $this->drupalPost('admin/structure/block', $edit, t('Save blocks'));
    $this->assertText(t('The block settings have been updated.'), t('Block saved to first sidebar region.'));

    // Set block title and variables.
    $block = array(
      'title' => $this->randomName(),
      'node_recent_block_count' => 2,
    );
    $this->drupalPost('admin/structure/block/manage/node/recent/configure', $block, t('Save block'));
    $this->assertText(t('The block configuration has been saved.'), t('Block saved.'));

    // Test that block is not visible without nodes
    $this->drupalGet('');
    $this->assertText(t('No content available.'), t('Block with "No content available." found.'));

    // Add some test nodes.
    $default_settings = array('uid' => $this->web_user->uid, 'type' => 'article');
    $node1 = $this->drupalCreateNode($default_settings);
    $node2 = $this->drupalCreateNode($default_settings);
    $node3 = $this->drupalCreateNode($default_settings);

    // Change the changed time for node so that we can test ordering.
    db_update('node')
      ->fields(array(
        'changed' => $node1->changed + 100,
      ))
      ->condition('nid', $node2->nid)
      ->execute();
    db_update('node')
      ->fields(array(
        'changed' => $node1->changed + 200,
      ))
      ->condition('nid', $node3->nid)
      ->execute();

    // Test that a user without the 'access content' permission cannot
    // see the block.
    $this->drupalLogout();
    $this->drupalGet('');
    $this->assertNoText($block['title'], t('Block was not found.'));

    // Test that only the 2 latest nodes are shown.
    $this->drupalLogin($this->web_user);
    $this->assertNoText($node1->title, t('Node not found in block.'));
    $this->assertText($node2->title, t('Node found in block.'));
    $this->assertText($node3->title, t('Node found in block.'));

    // Check to make sure nodes are in the right order.
    $this->assertTrue($this->xpath('//div[@id="block-node-recent"]/div/table/tbody/tr[position() = 1]/td/div/a[text() = "' . $node3->title . '"]'), t('Nodes were ordered correctly in block.'));

    // Set the number of recent nodes to show to 10.
    $this->drupalLogout();
    $this->drupalLogin($this->admin_user);
    $block = array(
      'node_recent_block_count' => 10,
    );
    $this->drupalPost('admin/structure/block/manage/node/recent/configure', $block, t('Save block'));
    $this->assertText(t('The block configuration has been saved.'), t('Block saved.'));

    // Post an additional node.
    $node4 = $this->drupalCreateNode($default_settings);

    // Test that all four nodes are shown.
    $this->drupalGet('');
    $this->assertText($node1->title, t('Node found in block.'));
    $this->assertText($node2->title, t('Node found in block.'));
    $this->assertText($node3->title, t('Node found in block.'));
    $this->assertText($node4->title, t('Node found in block.'));
  }
}