function __construct()
{
parent::__construct();
$c = new Naf_UnitTestDbConnection();
$this->connection = $c->getConnection();
Naf_Table::setDefaultConnection($this->connection);
}
/**
* Filter a field to be unique.
*
* @param string $field
* @param mixed $value
* @return mixed value of $value if it is unique, bool FALSE otherwise
*/
protected function _filterUnique($field, $value)
{
$where = array($field . ' = ?' => $value);
if (!empty($this->_data[$this->_pk])) {
$where[$this->_tableName . '.' . $this->_pk . ' != ?'] = $this->_data[$this->_pk];
}
if ($this->_table->count($where)) {
return false;
}
return $value;
}
/**
* @param PDO $connection
*/
static function setDefaultConnection($connection)
{
self::$defaultConnection = $connection;
}
/**
* @return Naf_Table
*/
private function loadDummyData()
{
$t = new Naf_Table('test');
for ($i = 1; $i <= self::DUMMY_DATA_COUNT; ++$i) {
$t->insert(array('name' => 'test' . $i));
}
return $t;
}
/**
* Get [sub]totals for numeric columns
*
* @param string | array $expressions
* @return string | array
*/
function sum($expressions)
{
return $this->_table->sum($expressions, $this->_filters);
}