/**
* Tests the filter_users function.
*/
public function test_filter_users()
{
$info = new \core_availability\mock_info();
$checker = new capability_checker($info->get_context());
// Don't need to create real users in database, just use these ids.
$users = array(1 => null, 2 => null, 3 => null);
// Test basic tree with one condition that doesn't filter.
$structure = tree::get_root_json(array(self::mock(array())));
$tree = new tree($structure);
$result = $tree->filter_user_list($users, false, $info, $checker);
ksort($result);
$this->assertEquals(array(1, 2, 3), array_keys($result));
// Now a tree with one condition that filters.
$structure = tree::get_root_json(array(self::mock(array('filter' => array(2, 3)))));
$tree = new tree($structure);
$result = $tree->filter_user_list($users, false, $info, $checker);
ksort($result);
$this->assertEquals(array(2, 3), array_keys($result));
// Tree with two conditions that both filter (|).
$structure = tree::get_root_json(array(self::mock(array('filter' => array(3))), self::mock(array('filter' => array(1)))), tree::OP_OR);
$tree = new tree($structure);
$result = $tree->filter_user_list($users, false, $info, $checker);
ksort($result);
$this->assertEquals(array(1, 3), array_keys($result));
// Tree with two condition that both filter (&).
$structure = tree::get_root_json(array(self::mock(array('filter' => array(2, 3))), self::mock(array('filter' => array(1, 2)))));
$tree = new tree($structure);
$result = $tree->filter_user_list($users, false, $info, $checker);
ksort($result);
$this->assertEquals(array(2), array_keys($result));
// Tree with child tree with NOT condition.
$structure = tree::get_root_json(array(tree::get_nested_json(array(self::mock(array('filter' => array(1)))), tree::OP_NOT_AND)));
$tree = new tree($structure);
$result = $tree->filter_user_list($users, false, $info, $checker);
ksort($result);
$this->assertEquals(array(2, 3), array_keys($result));
}
