/**
* @test
*/
public function updateAndDeleteProcessVariables()
{
$restClient = new camundaRestClient(self::$restApi);
$pi = $restClient->getProcessInstances()[0];
$piv = array('value' => 'testValue', 'type' => 'String');
$restClient->putSingleProcessVariable($pi->id, 'testVariable', $piv);
$piv = array('value' => 'testValue2', 'type' => 'String');
$restClient->putSingleProcessVariable($pi->id, 'testVariable2', $piv);
$piv = array();
$pm = array();
$pm['testVariable'] = array('value' => 'newTestValue');
$pm['testVariable2'] = array('value' => 'newTestValue2');
$piv['modifications'] = $pm;
$restClient->updateOrRemoveProcessVariables($pi->id, $piv);
$this->assertEquals('newTestValue', $restClient->getSingleProcessVariable($pi->id, 'testVariable')->value);
$this->assertEquals('newTestValue2', $restClient->getSingleProcessVariable($pi->id, 'testVariable2')->value);
$pvc = count(get_object_vars($restClient->getProcessVariables($pi->id)));
$piv = array();
$pm = array('testVariable', 'testVariable2');
$piv['deletions'] = $pm;
$restClient->updateOrRemoveProcessVariables($pi->id, $piv);
$this->assertEquals($pvc - 2, count(get_object_vars($restClient->getProcessVariables($pi->id))));
}