Add failing example for custom serialization

spec/lib/amoeba_spec.rb

@@ -83,6 +83,10 @@
       new_post.widgets.map(&:id).each do |id|
         old_post.widgets.map(&:id).include?(id).should_not be true
       end
+      old_post.custom_things.length.should == 3
+      old_post.custom_things.select{ |ct| ct.value == [] }.length.should == 1
+      old_post.custom_things.select{ |ct| ct.value == [1,2]}.length.should == 1
+      old_post.custom_things.select{ |ct| ct.value == [78]}.length.should == 1
       # }}}
       # Author {{{
       old_author = Author.find(1)

spec/support/data.rb

@@ -115,4 +115,6 @@
 necklace1.sections << jewelry
 necklace1.sections << accessories
 necklace1.save
+
+p1.custom_things.create [{:value => [1,2]}, {:value => []},{ :value => [78]}]
 # }}}

spec/support/models.rb

@@ -25,6 +25,7 @@ class Post < ActiveRecord::Base
   has_many :categories, :through => :supercats
   has_many :post_widgets
   has_many :widgets, :through => :post_widgets
+  has_many :custom_things
   has_and_belongs_to_many :tags
   has_and_belongs_to_many :notes
 
@@ -73,6 +74,17 @@ class Post < ActiveRecord::Base
 
 class CustomThing < ActiveRecord::Base
   belongs_to :post
+  class ArrayPack
+    def load(str)
+      str.split(',')
+    end
+
+    def dump(int_array)
+      int_array.join(',')
+    end
+  end
+
+  serialize :value, ArrayPack.new  
 end
 
 class Account < ActiveRecord::Base

spec/support/schema.rb

@@ -82,6 +82,7 @@
   end
 
   create_table :custom_things, :force => true do |t|
+    t.integer :post_id
     t.string :value
     t.timestamps
   end