Ensure attributes= typecasts values for Property keys.

lib/dm-core/resource.rb

@@ -338,6 +338,10 @@ def attributes=(attributes)
  raise ArgumentError, "The attribute '#{name}' is not accessible in #{model}"
  end
  when Associations::Relationship, Property
+ # only call a public #typecast (e.g. on Property instances)
+ if name.respond_to?(:typecast)
+ value = name.typecast(value)
+ end
  self.persistence_state = persistence_state.set(name, value)
  end
  end

lib/dm-core/spec/shared/resource_spec.rb

@@ -233,13 +233,17 @@
  describe 'when a public mutator is specified' do
  before :all do
  rescue_if @skip do
- @user.attributes = { :name => 'dkubb' }
+ @user.attributes = { :name => 'dkubb', @user.class.properties[:age] => '42' }
  end
  end
 
  it 'should set the value' do
  @user.name.should eql('dkubb')
  end
+
+ it 'should typecast and set the value' do
+ @user.age.should eql(42)
+ end
  end
 
  describe 'when a non-public mutator is specified' do