make #to_hash a Composition method, it is no longer available in Form…

…. use #save with block.

lib/reform/form.rb

@@ -91,12 +91,6 @@ def aliased_model
     require 'reform/form/multi_parameter_attributes'
     include MultiParameterAttributes # TODO: make features dynamic.
 
-
-    # Use representer to return current key-value form hash.
-    def to_hash(*args)
-      mapper.new(self).to_hash(*args)
-    end
-
     attr_accessor :model
 
   private

lib/reform/form/composition.rb

@@ -54,5 +54,9 @@ def aliased_model # we don't need an Expose as we save the Composition instance
     def to_nested_hash
       model.nested_hash_for(to_hash)  # use composition to compute nested hash.
     end
+
+    def to_hash(*args)
+      mapper.new(self).to_hash(*args)
+    end
   end
 end

test/coercion_test.rb

@@ -39,6 +39,6 @@ class CoercionTest < BaseTest
     end.new(OpenStruct.new())
 
     form.validate("id" => "1")
-    form.to_hash.must_equal("id" => 1)
+    form.id.must_equal 1
   end
 end

test/nested_form_test.rb

@@ -37,8 +37,12 @@ class AlbumForm < Reform::Form
   let (:songs) { [OpenStruct.new(:title => "Calling")] }
   let (:form)  { AlbumForm.new(album) }
 
-  it "responds to #to_hash" do
-    form.to_hash.must_equal({"hit"=>{"title"=>"Downtown"}, "title" => "Blackhawks Over Los Angeles", "songs"=>[{"title"=>"Calling"}]})
+  it "responds to #save" do
+    hsh = nil
+    form.save do |f, nested|
+      hsh = nested
+    end
+    hsh.must_equal({"hit"=>{"title"=>"Downtown"}, "title" => "Blackhawks Over Los Angeles", "songs"=>[{"title"=>"Calling"}]})
   end
 
 

test/reform_test.rb

@@ -58,11 +58,14 @@ class ReformTest < ReformSpec
 
 
   describe "::properties" do
-    it do
+    subject do
       Class.new(Reform::Form) do
         properties [:name, :title]
-      end.new(comp).to_hash.must_equal({"name"=>"Duran Duran", "title"=>"Rio"})
+      end.new(comp)
     end
+
+    it { subject.name.must_equal "Duran Duran" }
+    it { subject.title.must_equal "Rio" }
   end
 
   class SongForm < Reform::Form