class User{
	var $db;

	function __construct(){
		$this->db = new Some_DB();
	}

	/*
	* returns true if user user owns account
	*/
	function is_user_account($user_id, $acct_id){
		$db = $this->db;

		$sql = "SELECT um_active FROM UserMaps WHERE acct_id = ? AND user_id = ?";
		$res = $db->DbGetOne($sql, array($acct_id,$user_id));

		return $res;
	}

}


function test_is_user_account(){
        $user = new User();
		$user->db = new MockDB();

		$has_access = $user->is_user_account(1,1);
		assertTrue($has_access);

}

class MockDB{

	function DbGetOne($sql, $params){
		return 1;
	}
}