public function itCanReturnTheListOfTrackersInHierarchyByParentId()
{
$hierarchy_dar = new ArrayIterator(array(array('child_id' => 2, 'parent_id' => 1), array('child_id' => 3, 'parent_id' => 2), array('child_id' => 4, 'parent_id' => 3), array('child_id' => 5, 'parent_id' => 2)));
$project_trackers = array('1' => aTracker()->withId(1)->withName('Releases')->build(), '2' => aTracker()->withId(2)->withName('Sprints')->build(), '3' => aTracker()->withId(3)->withName('Stories')->build(), '4' => aTracker()->withId(4)->withName('Tasks')->build(), '5' => aTracker()->withId(5)->withName('Bugs')->build(), '6' => aTracker()->withId(6)->withName('Documents')->build());
$project_id = 100;
$dao = $this->aMockDaoWith($project_id, $hierarchy_dar);
$tracker_factory = new MockTrackerFactory();
$factory = new Tracker_Hierarchy_HierarchicalTrackerFactory($tracker_factory, $dao);
$expected = array(1 => array(2), 2 => array(3, 5), 3 => array(4), 4 => array(), 5 => array(), 6 => array(), 'root' => array(1, 6));
$this->assertEqual($expected, $factory->getChildrenMapFromDar($hierarchy_dar, $project_trackers));
}
