public function testGetNumInstancesWithModuleAndVersion()
{
$req = new GetNumInstancesRequest();
$resp = new GetNumInstancesResponse();
$req->setModule('module1');
$req->setVersion('v1');
$resp->setInstances(3);
$this->apiProxyMock->expectCall('modules', 'GetNumInstances', $req, $resp);
$this->assertEquals(3, ModulesService::getNumInstances('module1', 'v1'));
$this->apiProxyMock->verify();
}
/**
* Get the number of instances set for a version of a module.
*
* This function does not work on automatically-scaled modules.
*
* @param string $module The name of the module to retrieve the count for. If
* null then the count for the current module will be retrieved.
*
* @param string $version The version of the module to retrieve the count for.
* If null then the count for the version of the current instance will be
* retrieved.
*
* @return integer The number of instances set for the current module
* version.
*
* @throws \InvalidArgumentException If $module or $version is not a string.
* @throws ModulesException if the given combination of $module and $version
* is invalid.
*/
public static function getNumInstances($module = null, $version = null)
{
$req = new GetNumInstancesRequest();
$resp = new GetNumInstancesResponse();
if ($module !== null) {
if (!is_string($module)) {
throw new \InvalidArgumentException('$module must be a string. Actual type: ' . gettype($module));
}
$req->setModule($module);
}
if ($version !== null) {
if (!is_string($version)) {
throw new \InvalidArgumentException('$version must be a string. Actual type: ' . gettype($version));
}
$req->setVersion($version);
}
try {
ApiProxy::makeSyncCall('modules', 'GetNumInstances', $req, $resp);
} catch (ApplicationError $e) {
throw self::errorCodeToException($e->getApplicationError());
}
return (int) $resp->getInstances();
}
