From bcd3844e5839c113746b85a428429329b457da21 Mon Sep 17 00:00:00 2001
From: Alexandre de Oliveira <chavedomundo@gmail.com>
Date: Wed, 11 Mar 2015 16:14:02 -0300
Subject: [PATCH] Stores passed in options in array serializers

This is supported in single serializers. This adds support for passing
options from array serializers to each serializer in it.
---
 lib/active_model/serializer/array_serializer.rb | 4 +++-
 test/array_serializer_test.rb                   | 4 +++-
 test/fixtures/poro.rb                           | 4 ++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/active_model/serializer/array_serializer.rb b/lib/active_model/serializer/array_serializer.rb
index 2f679bbe..b9627fd2 100644
--- a/lib/active_model/serializer/array_serializer.rb
+++ b/lib/active_model/serializer/array_serializer.rb
@@ -7,12 +7,14 @@ module ActiveModel
       attr_reader :meta, :meta_key
 
       def initialize(objects, options = {})
+        options.merge!(root: nil)
+
         @objects = objects.map do |object|
           serializer_class = options.fetch(
             :serializer,
             ActiveModel::Serializer.serializer_for(object)
           )
-          serializer_class.new(object)
+          serializer_class.new(object, options)
         end
         @meta     = options[:meta]
         @meta_key = options[:meta_key]
diff --git a/test/array_serializer_test.rb b/test/array_serializer_test.rb
index 4c9b63e1..4fc77409 100644
--- a/test/array_serializer_test.rb
+++ b/test/array_serializer_test.rb
@@ -6,7 +6,7 @@ module ActiveModel
       def setup
         @comment = Comment.new
         @post = Post.new
-        @serializer = ArraySerializer.new([@comment, @post])
+        @serializer = ArraySerializer.new([@comment, @post], {some: :options})
       end
 
       def test_respond_to_each
@@ -21,6 +21,8 @@ module ActiveModel
 
         assert_kind_of PostSerializer, serializers.last
         assert_kind_of Post, serializers.last.object
+
+        assert_equal serializers.last.custom_options[:some], :options
       end
     end
   end
diff --git a/test/fixtures/poro.rb b/test/fixtures/poro.rb
index c42b48a3..f2862f97 100644
--- a/test/fixtures/poro.rb
+++ b/test/fixtures/poro.rb
@@ -78,6 +78,10 @@ PostSerializer = Class.new(ActiveModel::Serializer) do
   def blog
     Blog.new(id: 999, name: "Custom blog")
   end
+
+  def custom_options
+    options
+  end
 end
 
 SpammyPostSerializer = Class.new(ActiveModel::Serializer) do