public function testSetDataHandlerMappings()
{
$request = m::mock('Cartalyst\\DataGrid\\RequestProviders\\ProviderInterface');
$mappings = ['Cartalyst\\DataGrid\\DataHandlers\\CollectionHandler', function ($data) {
return $data instanceof Collection or is_array($data);
}];
$environment = new Environment($request);
$environment->setDataHandlerMappings($mappings);
$this->assertSame($mappings, $environment->getDataHandlerMappings());
}
/**
* Creates a data handler instance from the given data type by
* matching it to a mapping that's registered with the
* environment instance.
*
* @return \Cartalyst\Datagrid\DataHandlers\HandlerInterface
* @throws \RuntimeException
*/
public function createDataHandler()
{
foreach ($this->env->getDataHandlerMappings() as $handler => $class) {
if ($class($this->data) === true) {
// By calling the setter method we can be sure the
// resolved class implements the correct interface.
$instance = new $handler($this);
$this->setDataHandler($instance);
return $instance;
}
}
$descriptor = gettype($this->data);
if (is_object($this->data)) {
$descriptor = get_class($this->data);
}
throw new RuntimeException("Could not determine an appropriate data source for data of type [{$descriptor}].");
}
/**
* Returns the data handler mappings.
*
* @return array
* @static
*/
public static function getDataHandlerMappings()
{
return \Cartalyst\DataGrid\Environment::getDataHandlerMappings();
}
