Fixed #911

lib/active_model/serializer/array_serializer.rb

@@ -14,7 +14,7 @@ module ActiveModel
             :serializer,
             ActiveModel::Serializer.serializer_for(object)
           )
-          serializer_class.new(object, options)
+          serializer_class.new(object, options.except(:serializer))
         end
         @meta     = options[:meta]
         @meta_key = options[:meta_key]

test/adapter/json/collection_test.rb

@@ -22,6 +22,20 @@ module ActiveModel
             ActionController::Base.cache_store.clear
           end
 
+          def test_with_serializer_option
+            @blog.special_attribute = "Special"
+            @blog.articles = [@first_post, @second_post]
+            @serializer = ArraySerializer.new([@blog], serializer: CustomBlogSerializer)
+            @adapter = ActiveModel::Serializer::Adapter::Json.new(@serializer)
+
+            expected = [{
+              id: 1,
+              special_attribute: "Special",
+              articles: [{id: 1,title: "Hello!!", body: "Hello, world!!"}, {id: 2, title: "New Post", body: "Body"}]
+            }]
+            assert_equal expected, @adapter.serializable_hash
+          end
+
           def test_include_multiple_posts
             expected = [{
               title: "Hello!!",

test/array_serializer_test.rb

@@ -25,6 +25,12 @@ module ActiveModel
         assert_equal serializers.last.custom_options[:some], :options
       end
 
+      def test_serializer_option_not_passed_to_each_serializer
+        serializers = ArraySerializer.new([@post], {serializer: PostSerializer}).to_a
+
+        refute serializers.first.custom_options.key?(:serializer)
+      end
+
       def test_meta_and_meta_key_attr_readers
         meta_content = {meta: "the meta", meta_key: "the meta key"}
         @serializer = ArraySerializer.new([@comment, @post], meta_content)

test/fixtures/poro.rb

@@ -178,6 +178,13 @@ AlternateBlogSerializer = Class.new(ActiveModel::Serializer) do
   attribute :name, key: :title
 end
 
+CustomBlogSerializer = Class.new(ActiveModel::Serializer) do
+  attribute :id
+  attribute :special_attribute
+
+  has_many :articles
+end
+
 CommentPreviewSerializer = Class.new(ActiveModel::Serializer) do
   attributes :id