Test automatic reparenting of menu links.

File

drupal-7.x/modules/simpletest/tests/menu.test, line 754

Provides SimpleTests for menu.inc.

Class

MenuLinksUnitTestCase

Tests for menu links.

Code

function testMenuLinkReparenting($module = 'menu_test') {
  // Check the initial hierarchy.
  $links = $this->createLinkHierarchy($module);

  $expected_hierarchy = array(
    'parent' => FALSE,
    'child-1' => 'parent',
    'child-1-1' => 'child-1',
    'child-1-2' => 'child-1',
    'child-2' => 'parent',
  );
  $this->assertMenuLinkParents($links, $expected_hierarchy);

  // Start over, and move child-1 under child-2, and check that all the
  // childs of child-1 have been moved too.
  $links = $this->createLinkHierarchy($module);
  $links['child-1']['plid'] = $links['child-2']['mlid'];
  menu_link_save($links['child-1']);

  $expected_hierarchy = array(
    'parent' => FALSE,
    'child-1' => 'child-2',
    'child-1-1' => 'child-1',
    'child-1-2' => 'child-1',
    'child-2' => 'parent',
  );
  $this->assertMenuLinkParents($links, $expected_hierarchy);

  // Start over, and delete child-1, and check that the children of child-1
  // have been reassigned to the parent. menu_link_delete() will cowardly
  // refuse to delete a menu link defined by the system module, so skip the
  // test in that case.
  if ($module != 'system') {
    $links = $this->createLinkHierarchy($module);
    menu_link_delete($links['child-1']['mlid']);

    $expected_hierarchy = array(
      'parent' => FALSE,
      'child-1-1' => 'parent',
      'child-1-2' => 'parent',
      'child-2' => 'parent',
    );
    $this->assertMenuLinkParents($links, $expected_hierarchy);
  }

  // Start over, forcefully delete child-1 from the database, simulating a
  // database crash. Check that the children of child-1 have been reassigned
  // to the parent, going up on the old path hierarchy stored in each of the
  // links.
  $links = $this->createLinkHierarchy($module);
  // Don't do that at home.
  db_delete('menu_links')
    ->condition('mlid', $links['child-1']['mlid'])
    ->execute();

  $expected_hierarchy = array(
    'parent' => FALSE,
    'child-1-1' => 'parent',
    'child-1-2' => 'parent',
    'child-2' => 'parent',
  );
  $this->assertMenuLinkParents($links, $expected_hierarchy);

  // Start over, forcefully delete the parent from the database, simulating a
  // database crash. Check that the children of parent are now top-level.
  $links = $this->createLinkHierarchy($module);
  // Don't do that at home.
  db_delete('menu_links')
    ->condition('mlid', $links['parent']['mlid'])
    ->execute();

  $expected_hierarchy = array(
    'child-1-1' => 'child-1',
    'child-1-2' => 'child-1',
    'child-2' => FALSE,
  );
  $this->assertMenuLinkParents($links, $expected_hierarchy);
}