public function testcreate_list_query()
{
$call = new Call();
//test with empty string params
$expected = "SELECT \n\t\t\tcalls.*,\n\t\t\tusers.user_name as assigned_user_name FROM calls \n\t\t\tLEFT JOIN users\n\t\t\tON calls.assigned_user_id=users.id where calls.deleted=0 ORDER BY calls.name";
$actual = $call->create_list_query('', '');
$this->assertSame($expected, $actual);
//test with valid string params
$expected = "SELECT \n\t\t\tcalls.*,\n\t\t\tusers.user_name as assigned_user_name FROM calls \n\t\t\tLEFT JOIN users\n\t\t\tON calls.assigned_user_id=users.id where users.user_name=\"\" AND calls.deleted=0 ORDER BY calls.name";
$actual = $call->create_list_query('name', 'users.user_name=""');
$this->assertSame($expected, $actual);
}