test/fixtures/poro.rb in active_model_serializers-0.10.0.rc4 vs test/fixtures/poro.rb in active_model_serializers-0.10.0.rc5

@@ -19,14 +19,21 @@
   # required for ActiveModel::AttributeAssignment#_assign_attribute
   # in Rails 5
   def respond_to_missing?(method_name, _include_private = false)
     attributes.key?(method_name.to_s.tr('=', '').to_sym) || super
   end
+end
 
-  def cache_key_with_digest
-    "#{cache_key}/#{FILE_DIGEST}"
-  end
+# see
+# https://github.com/rails/rails/blob/4-2-stable/activemodel/lib/active_model/errors.rb
+# The below allows you to do:
+#
+#   model = ModelWithErrors.new
+#   model.validate!            # => ["cannot be nil"]
+#   model.errors.full_messages # => ["name cannot be nil"]
+class ModelWithErrors < ::ActiveModelSerializers::Model
+  attr_accessor :name
 end
 
 class Profile < Model
 end
 
@@ -59,10 +66,18 @@
   def cache_key
     "#{self.class.name.downcase}/#{self.id}"
   end
 end
 
+class Employee < ActiveRecord::Base
+  has_many :pictures, as: :imageable
+end
+
+class Picture < ActiveRecord::Base
+  belongs_to :imageable, polymorphic: true
+end
+
 module Spam; end
 Spam::UnrelatedLink = Class.new(Model)
 
 PostSerializer = Class.new(ActiveModel::Serializer) do
   cache key: 'post', expires_in: 0.1, skip_digest: true
@@ -218,9 +233,19 @@
   def reviews
   end
 
   def maker
   end
+end
+
+PolymorphicHasManySerializer = Class.new(ActiveModel::Serializer) do
+  attributes :id, :name
+end
+
+PolymorphicBelongsToSerializer = Class.new(ActiveModel::Serializer) do
+  attributes :id, :title
+
+  has_one :imageable, serializer: PolymorphicHasManySerializer
 end
 
 Spam::UnrelatedLinkSerializer = Class.new(ActiveModel::Serializer) do
   cache only: [:id]
   attributes :id