Fix for book_access.test

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<?php
// $Id$

/**
 * @file
 * Test file for Book Access module.
 *
 */

class BookAccessTestCase extends DrupalWebTestCase {
  /**
   * Check that the current user can/cannot view/update/delete the given book.
   * @param $book
   *   A book-array as returned by createBookPage().
   * @param $view
   *   If TRUE, then check that the current user CAN view the given book.
   * @param $update
   *   If TRUE, then check that the current user CAN edit the given book.
   * @param $delete
   *   If TRUE, then check that the current user CAN delete the given book.
   */
  protected function checkBookAccess($book, $view = TRUE, $update = TRUE, $delete = TRUE) {
    $this->drupalGet($book['url']);

if ($view) {
      $this->assertNoText('Access denied');
    }
    else {
      $this->assertText('Access denied');
    }

if ($update) {
      $this->assertLink('Edit');
      $this->drupalGet($book['url'] . '/edit');
      $this->assertNoText('Access denied');
    }
    else {
      $this->assertNoLink('Edit');
      $this->drupalGet($book['url'] . '/edit');
      $this->assertText('Access denied');
    }

if ($delete) {
      $this->drupalGet($book['url'] . '/delete');
      $this->assertNoText('Access denied');
      $this->assertText('Are you sure you want to delete');
    }
    else {
      $this->drupalGet($book['url'] . '/delete');
      $this->assertText('Access denied');
      $this->assertNoText('Are you sure you want to delete');
    }
  }

/**
   * Create a book page, optionally with parent book.
   *
   * @param $prefix
   *   (Optional) A string prefix to use on the Book title and body. Defaults to
   *   "BOOK".
   * @param $book
   *   (Optional) If $book is NULL (default) then create a book page without
   *   naming a book. If $book is 'new' then create a book page and a new book.
   *   If $book is an array (as returned from this function) use it as the
   *   parent for a new book page.
   *
   * @return
   *   An array of information about the new book created, including 'nid',
   *   'url', 'bid', and 'plid'.
   */
  protected function createBookPage($prefix = 'BOOK', $book) {
    $edit = array(
      'title' => $this->randomName(10, $prefix . '_TITLE_'),
      'body' => $this->randomName(20, $prefix . '_BODY_'),
    );

$options = array();
    if ($book == 'new') {
      // Create a new Book.
      $edit['book[bid]'] = 'new';
    }
    elseif (is_array($book)) {
      // Name the given Book as parent.
      $options['query'] = array('parent' => $book['mlid']); // Need to load a different form.
      $edit['book[bid]'] = $book['bid'];
      $edit['book[plid]'] = $book['mlid'];
    }
    else {
      // No Book.
      $edit['book[bid]'] = 0;
    }

// Create the book, and parse for NID
    $this->drupalPost('node/add/book', $edit, 'Save', $options);
    $edit['url'] = $this->getUrl();

$bits = explode('/', $this->getUrl());

$node = node_load(array_pop($bits));
    $edit['mlid'] = $node->book['mlid'];
    $edit['nid'] = $node->book['nid'];
    $edit['bid'] = $node->book['bid'];
    return $edit;
  }

static public function getInfo() {
    return array(
      'name'        => t('Access test'),
      'description' => t('Test access control to books and book pages.'),
      'group'       => t('Book access')
    );
  }

function setUp() {
    parent::setUp('book', 'book_access');

}

/**
   * Exercise basic functionality of Book Access module.  Note: this is NOT a
   * complete test of Book module itself, so it is reccommended that you run the
   * Book module test at the same time.
   */
  function testBasicOperation() {
    // Create book content and check the owner has full access to it.
    $book_author = $this->drupalCreateUser(
      array(
        // Node permissions
        'create book content',
        'edit own book content',
        'delete own book content',
        // Book permissions
        'create new books',
        'add content to books',
      )
    );

$this->drupalLogin($book_author);

// Create a book with some nested pages.
    $book = $this->createBookPage('BOOK', 'new');
    $bookpage1 = $this->createBookPage('PAGE1', $book);
    $booksubpage1 = $this->createBookPage('SUBPAGE1', $bookpage1);
    $booksubpage2 = $this->createBookPage('SUBPAGE2', $bookpage1);
    $bookpage2 = $this->createBookPage('PAGE2', $book);

$this->checkBookAccess($book);
    $this->checkBookAccess($bookpage1);
    $this->checkBookAccess($booksubpage1);
    $this->checkBookAccess($booksubpage2);
    $this->checkBookAccess($bookpage2);

// Check if anonymous user can read, but not write/delete this (using the
    // default permissions).
    $this->drupalLogout();
    $this->checkBookAccess($book, TRUE, FALSE, FALSE);
    $this->checkBookAccess($bookpage1, TRUE, FALSE, FALSE);
    $this->checkBookAccess($booksubpage1, TRUE, FALSE, FALSE);
    $this->checkBookAccess($booksubpage2, TRUE, FALSE, FALSE);
    $this->checkBookAccess($bookpage2, TRUE, FALSE, FALSE);

// Remove all permissions for the book from Anonymous User, and check it
    // can no longer read/write/delete the book.
    $admin_user = $this->drupalCreateUser(
      array(
        // Book Access permissions
        'administer book access'
      )
    );

$this->drupalLogin($admin_user);

$nid = $book['nid'];
    $rid = DRUPAL_ANONYMOUS_RID;
    $edit = array(
      "access[$nid][view][$rid]" => FALSE,
      "access[$nid][update][$rid]" => FALSE,
      "access[$nid][delete][$rid]" => FALSE,
    );

$this->drupalPost('admin/content/book/access', $edit, 'Save configuration');

$this->drupalLogout();
    $this->checkBookAccess($book, FALSE, FALSE, FALSE);
    $this->checkBookAccess($bookpage1, FALSE, FALSE, FALSE);
    $this->checkBookAccess($booksubpage1, FALSE, FALSE, FALSE);
    $this->checkBookAccess($booksubpage2, FALSE, FALSE, FALSE);
    $this->checkBookAccess($bookpage2, FALSE, FALSE, FALSE);

// Remove all permissions for the book to Anonymous User, and check it
    // can now read/write/delete the book.
    $admin_user = $this->drupalCreateUser(
      array(
        // Book Access permissions
        'administer book access'
      )
    );

$this->drupalLogin($admin_user);

$nid = $book['nid'];
    $rid = DRUPAL_ANONYMOUS_RID;
    $edit = array(
      "access[$nid][view][$rid]" => TRUE,
      "access[$nid][update][$rid]" => TRUE,
      "access[$nid][delete][$rid]" => TRUE,
    );
    $this->drupalPost('admin/content/book/access', $edit, 'Save configuration');

$this->drupalLogout();
    $this->checkBookAccess($book);
    $this->checkBookAccess($bookpage1);
    $this->checkBookAccess($booksubpage1);
    $this->checkBookAccess($booksubpage2);
    $this->checkBookAccess($bookpage2);
  }

/**
   * Write the given data to the given filename, relative to the Drupal
   * temporary directory. This method is really useful for determining what was
   * in the HTML page that DrupalWebTestCase actually saw.
   *
   * @param $filename
   *   The filename to write (defaults to out.html).
   * @param $data
   *   The data that will be written to the above file (defaults to the content
   *   of the current page).
   */
  function writeFile($filename = 'out.html', $data = NULL) {
    $data = !isset($data) ?  $this->drupalGetContent() : $data;
    $filename = file_directory_temp() . '/' . $filename;
    $this->assertTrue(file_put_contents($filename, $data), t('Wrote content to %filename', array('%filename' => $filename)));
  }
}

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Fix for book_access.test