public function testMergeConfigList()
{
/*
* When a configuration is comprised solely of integer ids, then it
* is a list, and we should let the child have precedence
*/
$result = ServiceBuilderUtil::mergeConfig(array(1, 2, 3, 4, 5, 6), array('a', 'b', 'c'));
$this->assertEquals(array('a', 'b', 'c'), $result);
}
/**
* Apply any extension on services
* @param string $serviceName
* @param array $serviceConfig
* @param string $prefix
* @throws NoSuchServiceException
* @return array
*/
protected function applyServiceExtension($serviceName, array $serviceConfig, $prefix)
{
$config = null;
/*
* Look for any fully prefixed service to extend first
*/
if (strlen($prefix) > 0) {
if (array_key_exists($prefix . '.' . $serviceName, $serviceConfig)) {
$config = $serviceConfig[$prefix . '.' . $serviceName];
}
}
/*
* If we are at this point the service must exist unprefixed
*/
if (null === $config) {
if (array_key_exists($serviceName, $serviceConfig)) {
$config = $serviceConfig[$serviceName];
} else {
throw new NoSuchServiceException('Unable to find serviceName: ' . $serviceName);
}
}
/*
* Apply any configuration from a parent, doing so recursively
* and ensuring that the child overrides the parent
*/
if (isset($config['extends'])) {
$parentService = $config['extends'];
unset($config['extends']);
$parentConfig = $this->applyServiceExtension($parentService, $serviceConfig, $prefix);
$config = ServiceBuilderUtil::mergeConfig($parentConfig, $config);
}
return $config;
}
/**
* Get the configuration that would be used to instantiate a service
* but without doing any actual instantiations
*
* @param string $serviceName
* @param array|null $instanceParams
* @throws NoSuchServiceException
* @return array
*/
public function getConfig($serviceName, $instanceParams = null)
{
if (!isset($this->serviceConfig[$serviceName])) {
throw new NoSuchServiceException('No such service: ' . $serviceName);
}
$config = $this->serviceConfig[$serviceName];
/*
* Safely get and alter some parameters to use in instantiating
*/
if (isset($config['params'])) {
$params = $config['params'];
} else {
$params = array();
}
/*
* Apply overrides passed at the time of instantiation
*/
if (is_array($instanceParams)) {
$params = ServiceBuilderUtil::mergeConfig($params, $instanceParams);
}
$config['params'] = $params;
return $config;
}
