Add changelog.

Author: beauby

CHANGELOG.md

@@ -13,6 +13,7 @@ Breaking changes:
 
 Features:
 
+- [#1225](https://github.com/rails-api/active_model_serializers/pull/1125) Better serializer lookup, get namespaced resources and nested serializers inferred (@beauby)
 - [#1172](https://github.com/rails-api/active_model_serializers/pull/1172) Better serializer registration, get more than just the first module (@bf4)
 - [#1158](https://github.com/rails-api/active_model_serializers/pull/1158) Add support for wildcards in `include` option (@beauby)
 - [#1127](https://github.com/rails-api/active_model_serializers/pull/1127) Add support for nested

lib/active_model/serializer.rb

@@ -112,7 +112,6 @@ def self.digest_caller_file(caller_line)
       Digest::MD5.hexdigest(serializer_file_contents)
     end
 
-    # TODO(beauby): Cache this.
     def self.serializer_lookup_chain_for(klass)
       chain = []
 

test/serializers/serializer_for_test.rb

@@ -28,17 +28,18 @@ def test_overwritten_serializer_for_array
 
       class SerializerTest < Minitest::Test
         module ResourceNamespace
-          class Post < ::Model
-          end
-          class Comment < ::Model
-          end
+          Post    = Class.new(::Model)
+          Comment = Class.new(::Model)
+
           class PostSerializer < ActiveModel::Serializer
             class CommentSerializer < ActiveModel::Serializer
             end
           end
         end
+
         class MyProfile < Profile
         end
+
         class CustomProfile
           def serializer_class; ProfileSerializer; end
         end