public function testGet_DsnNotSpecified()
{
$pool = new ClientPool(array('connect1' => array('defaultDatabase' => 'db2', 'mapping' => array('db1' => array('col1' => '\\Sokil\\Mongo\\Collection1', 'col2' => '\\Sokil\\Mongo\\Collection2'), 'db2' => array('col1' => '\\Sokil\\Mongo\\Collection3', 'col2' => '\\Sokil\\Mongo\\Collection4')))));
$this->assertEquals(Client::DEFAULT_DSN, $pool->get('connect1')->getDsn());
}