/** @test */
function it_returns_empty_array_if_the_related_has_empty_collection()
{
$this->makeUserWithPosts();
$post = Post::first();
$post->user_id = 0;
$post->save();
$transformer = new PostTransformer();
$transformed = $transformer->with('author')->transform($post);
$this->assertEquals($transformed['author'], null);
$user = User::first();
$user->posts()->delete();
$transformer = new UserTransformer();
$transformed = $transformer->with('posts.tags')->transform($user);
$this->assertEquals($transformed['posts'], []);
}
/**
* @param int $count
* @param bool $save
* @return array
*/
protected function makePosts($count = 1, $save = false)
{
$faker = Faker\Factory::create();
$posts = [];
for ($i = 0; $i < $count; $i++) {
$post = new Post();
$post->title = $faker->title;
$post->body = $faker->sentence;
if ($save) {
$post->save();
}
$posts[] = $post;
}
return $count === 1 ? $posts[0] : $posts;
}
