Pass serialization context into adapter

lib/active_model_serializers/adapter/json_api.rb

@@ -128,7 +128,7 @@ def success_document(options)
 
         if is_collection && serializer.paginated?
           hash[:links] ||= {}
-          hash[:links].update(pagination_links_for(serializer, options))
+          hash[:links].update(pagination_links_for(serializer))
         end
 
         hash
@@ -498,8 +498,8 @@ def links_for(serializer)
       #   end
       # prs:
       #   https://github.com/rails-api/active_model_serializers/pull/1041
-      def pagination_links_for(serializer, options)
-        PaginationLinks.new(serializer.object, options).as_json
+      def pagination_links_for(serializer)
+        PaginationLinks.new(serializer.object, instance_options).as_json
       end
 
       # {http://jsonapi.org/format/#document-meta Docment Meta}

lib/active_model_serializers/adapter/json_api/pagination_links.rb

@@ -6,24 +6,24 @@ class PaginationLinks
 
         attr_reader :collection, :context
 
-        def initialize(collection, options)
+        def initialize(collection, adapter_options)
           @collection = collection
-          @options = options
-          @context = options.fetch(:serialization_context)
+          @adapter_options = adapter_options
+          @context = adapter_options.fetch(:serialization_context)
         end
 
         def as_json
           per_page = collection.try(:per_page) || collection.try(:limit_value) || collection.size
           pages_from.each_with_object({}) do |(key, value), hash|
             params = query_parameters.merge(page: { number: value, size: per_page }).to_query
 
-            hash[key] = "#{url(options)}?#{params}"
+            hash[key] = "#{url(adapter_options)}?#{params}"
           end
         end
 
         protected
 
-        attr_reader :options
+        attr_reader :adapter_options
 
         private
 

lib/active_model_serializers/serializable_resource.rb

@@ -2,7 +2,7 @@
 
 module ActiveModelSerializers
   class SerializableResource
-    ADAPTER_OPTION_KEYS = Set.new([:include, :fields, :adapter, :meta, :meta_key, :links])
+    ADAPTER_OPTION_KEYS = Set.new([:include, :fields, :adapter, :meta, :meta_key, :links, :serialization_context])
     include ActiveModelSerializers::Logging
 
     delegate :serializable_hash, :as_json, :to_json, to: :adapter

test/adapter/json_api/pagination_links_test.rb

@@ -26,13 +26,14 @@ def mock_request(query_parameters = {}, original_url = URI)
           context.expect(:request_url, original_url)
           context.expect(:query_parameters, query_parameters)
           context.expect(:key_transform, nil)
-          @options = {}
-          @options[:serialization_context] = context
         end
 
-        def load_adapter(paginated_collection, options = {})
-          options = options.merge(adapter: :json_api)
-          ActiveModelSerializers::SerializableResource.new(paginated_collection, options)
+        def load_adapter(paginated_collection, mock_request = nil)
+          render_options = { adapter: :json_api }
+          if mock_request
+            render_options[:serialization_context] = mock_request
+          end
+          serializable(paginated_collection, render_options)
         end
 
         def using_kaminari(page = 2)
@@ -103,43 +104,38 @@ def expected_response_with_last_page_pagination_links
         end
 
         def test_pagination_links_using_kaminari
-          adapter = load_adapter(using_kaminari)
+          adapter = load_adapter(using_kaminari, mock_request)
 
-          mock_request
-          assert_equal expected_response_with_pagination_links, adapter.serializable_hash(@options)
+          assert_equal expected_response_with_pagination_links, adapter.serializable_hash
         end
 
         def test_pagination_links_using_will_paginate
-          adapter = load_adapter(using_will_paginate)
+          adapter = load_adapter(using_will_paginate, mock_request)
 
-          mock_request
-          assert_equal expected_response_with_pagination_links, adapter.serializable_hash(@options)
+          assert_equal expected_response_with_pagination_links, adapter.serializable_hash
         end
 
         def test_pagination_links_with_additional_params
-          adapter = load_adapter(using_will_paginate)
+          adapter = load_adapter(using_will_paginate, mock_request({ test: 'test' }))
 
-          mock_request({ test: 'test' })
           assert_equal expected_response_with_pagination_links_and_additional_params,
-            adapter.serializable_hash(@options)
+            adapter.serializable_hash
         end
 
         def test_last_page_pagination_links_using_kaminari
-          adapter = load_adapter(using_kaminari(3))
+          adapter = load_adapter(using_kaminari(3), mock_request)
 
-          mock_request
-          assert_equal expected_response_with_last_page_pagination_links, adapter.serializable_hash(@options)
+          assert_equal expected_response_with_last_page_pagination_links, adapter.serializable_hash
         end
 
         def test_last_page_pagination_links_using_will_paginate
-          adapter = load_adapter(using_will_paginate(3))
+          adapter = load_adapter(using_will_paginate(3), mock_request)
 
-          mock_request
-          assert_equal expected_response_with_last_page_pagination_links, adapter.serializable_hash(@options)
+          assert_equal expected_response_with_last_page_pagination_links, adapter.serializable_hash
         end
 
         def test_not_showing_pagination_links
-          adapter = load_adapter(@array)
+          adapter = load_adapter(@array, mock_request)
 
           assert_equal expected_response_without_pagination_links, adapter.serializable_hash
         end