Add symbol and duration serializers

activejob/lib/active_job/serializers.rb

@@ -34,6 +34,8 @@ module ActiveJob
     autoload :HashSerializer
     autoload :ObjectSerializer
     autoload :StandardTypeSerializer
+    autoload :SymbolSerializer
+    autoload :DurationSerializer
 
     mattr_accessor :_additional_serializers
     self._additional_serializers = Set.new
@@ -94,6 +96,8 @@ module ActiveJob
       StandardTypeSerializer,
       HashWithIndifferentAccessSerializer,
       HashSerializer,
-      ArraySerializer
+      ArraySerializer,
+      SymbolSerializer,
+      DurationSerializer
   end
 end

activejob/lib/active_job/serializers/duration_serializer.rb

@@ -0,0 +1,24 @@
+module ActiveJob
+  module Serializers
+    class DurationSerializer < ObjectSerializer
+      class << self
+        def serialize(duration)
+          super("value" => duration.value, "parts" => Serializers.serialize(duration.parts))
+        end
+
+        def deserialize(hash)
+          value = hash["value"]
+          parts = Serializers.deserialize(hash["parts"])
+
+          klass.new(value, parts)
+        end
+
+        private
+
+        def klass
+          ActiveSupport::Duration
+        end
+      end
+    end
+  end
+end

activejob/lib/active_job/serializers/symbol_serializer.rb

@@ -0,0 +1,21 @@
+module ActiveJob
+  module Serializers
+    class SymbolSerializer < ObjectSerializer
+      class << self
+        def serialize(argument)
+          super("value" => argument.to_s)
+        end
+
+        def deserialize(argument)
+          argument["value"].to_sym
+        end
+
+        private
+
+        def klass
+          Symbol
+        end
+      end
+    end
+  end
+end

activejob/test/cases/argument_serialization_test.rb

@@ -13,6 +13,7 @@ class ArgumentSerializationTest < ActiveSupport::TestCase
 
   [ nil, 1, 1.0, 1_000_000_000_000_000_000_000,
     "a", true, false, BigDecimal.new(5),
+    :a, 1.day,
     [ 1, "a" ],
     { "a" => 1 }
   ].each do |arg|
@@ -21,7 +22,7 @@ class ArgumentSerializationTest < ActiveSupport::TestCase
     end
   end
 
-  [ :a, Object.new, self, Person.find("5").to_gid ].each do |arg|
+  [ Object.new, self, Person.find("5").to_gid ].each do |arg|
     test "does not serialize #{arg.class}" do
       assert_raises ActiveJob::SerializationError do
         ActiveJob::Arguments.serialize [ arg ]