/**
* @inheritdoc
*/
public function getIdentifiers()
{
if (!$this->isHasMany()) {
throw new RuntimeException('No data member of data member is not a valid has-many relationship.');
}
return ResourceIdentifierCollection::create($this->get(self::DATA));
}
public function testHasMany()
{
$input = new stdClass();
$input->{Relationship::DATA} = $this->hasMany;
$object = new Relationship($input);
$expected = ResourceIdentifierCollection::create($this->hasMany);
$this->assertEquals($expected, $object->getData());
$this->assertTrue($object->isHasMany());
$this->assertFalse($object->isHasOne());
}
/**
* @depends testMap
*/
public function testMapWithTypeConversion(ResourceIdentifierCollection $collection)
{
$a = 'Alias-A';
$b = 'Alias-B';
$map = [$this->a->getType() => $a, $this->b->getType() => $b];
$expected = [$a => [$this->a->getId()], $b => [$this->b->getId()]];
$this->assertEquals($expected, $collection->map($map));
}
/**
* @inheritDoc
*/
public function getIdentifiers()
{
$collection = new ResourceIdentifierCollection();
/** @var ResourceInterface $resource */
foreach ($this as $resource) {
$collection->add($resource->getIdentifier());
}
return $collection;
}
