Merge pull request #512 from TimPetricola/fix-options-access

Custom options are accessible in serializer

lib/active_model/serializer.rb

@@ -136,8 +136,9 @@ end
       @only          = options[:only] ? Array(options[:only]) : nil
       @except        = options[:except] ? Array(options[:except]) : nil
       @key_format    = options[:key_format]
+      @context       = options[:context]
     end
-    attr_accessor :object, :scope, :root, :meta_key, :meta, :key_format
+    attr_accessor :object, :scope, :root, :meta_key, :meta, :key_format, :context
 
     def json_key
       key = if root == true || root.nil?

test/unit/active_model/serializer/options_test.rb

@@ -0,0 +1,15 @@
+require 'test_helper'
+
+module ActiveModel
+  class Serializer
+    class OptionsTest < Minitest::Test
+      def setup
+        @serializer = ProfileSerializer.new(nil, context: {foo: :bar})
+      end
+
+      def test_custom_options_are_accessible_from_serializer
+        assert_equal({foo: :bar}, @serializer.context)
+      end
+    end
+  end
+end