/**
* @param ResourceCollection $collection
* @param array $data
* @return ResourceCollection
*/
protected function hydrateCollection(ResourceCollection $collection, array $data)
{
foreach ($data['data'] as $resourceData) {
$instance = clone $collection->getHydrationResource();
// if (!isset($resourceData[self::KEY_RECURSION])) {
$instance = $this->hydrateResource($instance, $resourceData);
// }
$collection->add($instance);
}
return $collection;
}
/**
* Expects the depth of the dehydration to be respected.
*
* @test
*/
public function validateDehydrateRespectsDepthLevel()
{
$artist = ArtistResourceMock::create(1);
$artist->setName('Fightstar');
$artist->setAlbums($albums = new ResourceCollection());
$albums->add($album = AlbumResourceMock::create(100));
$album->setName('One Day Son');
$album->setArtist($artist);
$album->setSongs($songs = new ResourceCollection());
$album->setArtwork($artwork = ArtworkResourceMock::create(20));
$artwork->setImage('ryohei-hase.jpg');
$artwork->setMime('image/jpg');
$artwork->setAlbum($album);
$songs->add($song = SongResourceMock::create(1000));
$song->setName('Deathcar');
$song->setDescription('Heavy');
$song->setAlbum($album);
// Make sure that the unit of work we are testing is hardcoded.
// Other areas of the test that are covered can make use of the resource getters.
$expected = ['id' => $artist->getId(), 'name' => $artist->getName(), 'albums' => ['data' => []]];
$array = $this->transformer->dehydrate($artist, 1);
$this->assertEquals($expected, $array, 'Depth level: 1');
// At depth level 2 the albums collection should be dehydrated.
$expected['albums']['data'] = [['id' => $album->getId(), 'name' => $album->getName(), 'artist' => [ArrayTransformer::KEY_RECURSION => true, 'id' => $artist->getId()], 'songs' => ['data' => []], 'artwork' => ['id' => $artwork->getId()]]];
$array = $this->transformer->dehydrate($artist, 2);
$this->assertEquals($expected, $array, 'Depth level: 2');
// At depth level 3 the artwork resource should be dehydrated ..
$expected['albums']['data'][0]['artwork'] = ['id' => $artwork->getId(), 'image' => $artwork->getImage(), 'type' => $artwork->getMime(), 'album' => [ArrayTransformer::KEY_RECURSION => true, 'id' => $album->getId()]];
// .. and also the songs collection.
$expected['albums']['data'][0]['songs']['data'] = [['id' => $song->getId(), 'name' => $song->getName(), 'description' => $song->getDescription(), 'album' => [ArrayTransformer::KEY_RECURSION => true, 'id' => $album->getId()]]];
$array = $this->transformer->dehydrate($artist, 3);
$this->assertEquals($expected, $array, 'Depth level: 3');
}
