protected function setup()
{
$this->innerTransformer = $this->getMockBuilder(TransformerInterface::class)->setMethods(['transform'])->getMockForAbstractClass();
$this->innerTransformer->expects($this->any())->method('transform')->will($this->returnCallback(function ($value) {
return $value + 5;
}));
}
/**
* @param mixed $value
*
* @return mixed
*/
protected function transformRecursive($value)
{
if (is_array($value) || $value instanceof \Traversable) {
foreach ($value as &$subvalue) {
$subvalue = $this->transformRecursive($subvalue);
}
} else {
$value = $this->transformer->transform($value);
}
return $value;
}
/**
* @inheritdoc
*/
public function transform($value)
{
// not an array, must be traversable
if (!is_array($value) && !$value instanceof \Traversable) {
throw new TransformationFailedException(sprintf('Expected an array or \\Traversable to transform, got "%s" instead.', gettype($value)));
}
// traverse through object, transforming each item
foreach ($value as $key => $val) {
$value[$key] = $this->transformer->transform($val);
}
return $value;
}
/**
* @param ParameterBag $item
*
* @throws TransformationFailedException
*/
public function transform(ParameterBag $item)
{
if (!$item->has($this->field)) {
return;
}
$value = $item->get($this->field);
try {
$newValue = $this->transformer->transform($value);
$item->set($this->field, $newValue);
} catch (TransformationFailedException $e) {
// set the value to null as we couldn't transform it
$item->set($this->field, null);
throw new TransformationFailedException(sprintf('Transforming "%s" using "%s" failed with message: %s.', $this->field, get_class($this->transformer), $e->getMessage()), null, $e);
}
}
