class MenuTreeDataTestCase

class MenuTreeDataTestCase  extends DrupalUnitTestCase {
 
 /**
 * Dummy link structure acceptable for menu_tree_data().
 */
 var $links = array(
 1 => array(
 'mlid' => 1,
 'depth' => 1,
 ),
 2 => array(
 'mlid' => 2,
 'depth' => 1,
 ),
 3 => array(
 'mlid' => 3,
 'depth' => 2,
 ),
 4 => array(
 'mlid' => 4,
 'depth' => 3,
 ),
 5 => array(
 'mlid' => 5,
 'depth' => 1,
 ),
 );
 public static function getInfo() {
 return array(
 'name' => 'Menu tree generation',
 'description' => 'Tests recursive menu tree generation functions.',
 'group' => 'Menu',
 );
 }
 
 /**
 * Validate the generation of a proper menu tree hierarchy.
 */
 function testMenuTreeData() {
 $tree = menu_tree_data ($this->links );
 // Validate that parent items #1, #2, and #5 exist on the root level.
 $this->assertSameLink ($this->links [1], $tree[1]['link'], 'Parent item #1 exists.');
 $this->assertSameLink ($this->links [2], $tree[2]['link'], 'Parent item #2 exists.');
 $this->assertSameLink ($this->links [5], $tree[5]['link'], 'Parent item #5 exists.');
 // Validate that child item #4 exists at the correct location in the hierarchy.
 $this->assertSameLink ($this->links [4], $tree[2]['below'][3]['below'][4]['link'], 'Child item #4 exists in the hierarchy.');
 }
 
 /**
 * Check that two menu links are the same by comparing the mlid.
 *
 * @param $link1
 * A menu link item.
 * @param $link2
 * A menu link item.
 * @param $message
 * The message to display along with the assertion.
 * @return
 * TRUE if the assertion succeeded, FALSE otherwise.
 */
 protected function assertSameLink($link1, $link2, $message = '') {
 return $this->assert ($link1['mlid'] == $link2['mlid'], $message ? $message : 'First link is identical to second link');
 }
}