To json issues

dm_to_json_spec.rb

# Example of our problems with to_json( :to_json => false )                                                                                                                                                                                          


require 'rubygems'
require 'dm-core'
require 'dm-migrations'
require 'dm-migrations/migration_runner'
require 'dm-timestamps'
require 'dm-serializer'
require 'dm-types'
require 'benchmark'

DataMapper.setup(:default, 'postgres://localhost/dm_test') # createdb test                                                                                                                                                                           

class Course
  include DataMapper::Resource

  property :id, Serial
  property :name, String
  property :homepage, URI
end

DataMapper::MigrationRunner.migration( 1, :create_courses ) do
  up do
    create_table :courses do
      column :id,   Integer, :serial => true
      column :name, String, :size => 50
      column :homepage, String
    end

    create_index(:courses, :id)
  end
  down do
    drop_table :courses
  end
end

describe 'to_json' do
  it 'should return a hash with simple types' do
    DataMapper::MigrationRunner.migrate_up!
    e = Course.create( :name => 'Magic in ruby', :homepage => URI.parse('http://ruby.org') )
    json_representation = e.reload.to_json( :to_json => false )

    reloaded_json = JSON.load(JSON.dump( json_representation ))

    #This is fine, because we reloaded it:                                                                                                                                                                                                           
    p reloaded_json
    reloaded_json["homepage"].class.should == String

    #This fails, because the original representation has non-string values                                                                                                                                                                           
    p json_representation
    json_representation["homepage"].class.should == String
  end
end