Move serializer caching from adapter

test/adapter/fragment_cache_test.rb

@@ -1,48 +0,0 @@
-require 'test_helper'
-module ActiveModelSerializers
-  module Adapter
-    class FragmentCacheTest < ActiveSupport::TestCase
-      TypedRoleSerializer = Class.new(ActiveModel::Serializer) do
-        type 'my-roles'
-        cache only: [:name], skip_digest: true
-        attributes :id, :name, :description
-
-        belongs_to :author
-      end
-
-      def setup
-        super
-        @spam            = Spam::UnrelatedLink.new(id: 'spam-id-1')
-        @author          = Author.new(name: 'Joao M. D. Moura')
-        @role            = Role.new(name: 'Great Author', description: nil)
-        @role.author     = [@author]
-        @role_serializer = RoleSerializer.new(@role)
-        @spam_serializer = Spam::UnrelatedLinkSerializer.new(@spam)
-        @role_hash       = FragmentCache.new(::ActiveModelSerializers::Adapter.configured_adapter.new(@role_serializer), @role_serializer, {})
-        @spam_hash       = FragmentCache.new(::ActiveModelSerializers::Adapter.configured_adapter.new(@spam_serializer), @spam_serializer, {})
-      end
-
-      def test_fragment_fetch_with_virtual_attributes
-        expected_result = {
-          id: @role.id,
-          description: @role.description,
-          slug: "#{@role.name}-#{@role.id}",
-          name: @role.name
-        }
-        assert_equal(@role_hash.fetch, expected_result)
-      end
-
-      def test_fragment_fetch_with_namespaced_object
-        expected_result = {
-          id: @spam.id
-        }
-        assert_equal(@spam_hash.fetch, expected_result)
-      end
-
-      def test_fragment_fetch_with_type_override
-        serialization = serializable(Role.new(name: 'Another Author'), serializer: TypedRoleSerializer, adapter: :json_api).serializable_hash
-        assert_equal(TypedRoleSerializer._type, serialization.fetch(:data).fetch(:type))
-      end
-    end
-  end
-end