public function testQueryStudy()
{
// query on MRN
$server_ip = '134.174.12.21';
$server_port = 104;
$user_aetitle = 'FNNDSC-CHRISDEV';
$pacs_mrn = new PACS($server_ip, $server_port, $user_aetitle);
$pacs_mrn->addParameter('PatientID', 4562009);
$result_mrn = $pacs_mrn->queryStudy();
// should return 4 results
$this->assertTrue(count($result_mrn['PatientID']) == 4);
// query on name
$pacs_name = new PACS($server_ip, $server_port, $user_aetitle);
$pacs_name->addParameter('PatientName', 'RONDO^RAJON');
$result_name = $pacs_name->queryStudy();
// should return 1 result
$this->assertTrue(count($result_name['PatientName']) == 1);
// query on MRN and name
$pacs_mrn_name = new PACS($server_ip, $server_port, $user_aetitle);
$pacs_mrn_name->addParameter('PatientID', 4562009);
$pacs_mrn_name->addParameter('PatientName', 'RONDO^RAJON');
$result_mrn_name = $pacs_mrn_name->queryStudy();
// MRN should take over, 4 results should be returned then
$this->assertTrue(count($result_mrn_name['PatientID']) == 4);
// we add unknown parameters
$pacs_fake = new PACS($server_ip, $server_port, $user_aetitle);
$pacs_fake->addParameter('PatientID', 4562009);
$pacs_fake->addParameter('FakeParameter', 'IAmAFakeParameter');
$result_fake = $pacs_fake->queryStudy();
// should return null
$this->assertTrue($result_fake == null);
// we add not enough parameter (no user AE Title)
$pacs_not_enough = new PACS($server_ip, $server_port);
$pacs_not_enough->addParameter('PatientID', 4562009);
$result_not_enough = $pacs_not_enough->queryStudy();
// should return null
$this->assertTrue($result_not_enough == null);
}
