public function testExtract()
{
$abstractObject = $this->getMockForAbstractClass('\\Matryoshka\\Model\\Object\\AbstractObject');
$strategy = new HasOneStrategy($abstractObject);
$strategy->setNullable(false);
$this->assertInternalType('array', $strategy->extract($abstractObject));
$this->assertInternalType('array', $strategy->extract([]));
$this->assertInternalType('array', $strategy->extract(null));
$strategy->setNullable(true);
$this->assertNull($strategy->extract(null));
$this->setExpectedException('\\Matryoshka\\Model\\Exception\\InvalidArgumentException');
$strategy->extract('wrong value');
}
/**
* Converts the given value so that it can be extracted by the hydrator.
*
* @param array|\Traversable|null $value The original value.
* @return array|null Returns the value that should be extracted.
*/
public function extract($value)
{
if ($this->nullable && $value === null) {
return null;
}
$return = [];
if (is_array($value) || $value instanceof \Traversable) {
foreach ($value as $key => $object) {
$return[$key] = $this->hasOneStrategy->extract($object);
}
} else {
throw new Exception\InvalidArgumentException(sprintf('Value must be null (only if nullable option is enabled), or an array, or a Traversable: "%s" given', is_object($value) ? get_class($value) : gettype($value)));
}
return $return;
}
