/**
* {@inheritdoc}
*/
public function transform(ParameterBag $item)
{
$transformer = new EmptyValueToNullTransformer();
// check for any default values that could be set
foreach ($this->defaultValues as $key => $value) {
// only set when it's not existing in the data or has no value
if (!$item->has($key) || null === $transformer->transform($item->get($key), $key, $item) || $this->overwrite) {
$item->set($key, $value);
}
}
}
/**
* @dataProvider getNonEmptyValues
*/
public function testNonEmptyValues($value)
{
$this->assertNotNull($this->transformer->transform($value));
}