A few more specs for disabling tracking

spec/fixtures/models/person.rb

@@ -2,6 +2,7 @@
 
 class Person
   include ::CouchRest::Model::Embeddable
+
   property :pet, Cat
   property :name, [String]
 

spec/fixtures/models/project.rb

@@ -1,5 +1,8 @@
 class Project < CouchRest::Model::Base
   use_database DB
+
+  disable_dirty_tracking true
+
   property :name,   String
   timestamps!
 

spec/unit/dirty_spec.rb

@@ -581,4 +581,37 @@ def should_not_change_hash
 
   end
 
+  context "when dirty tracking is disabled" do
+
+    let :obj do
+      Project.new(:name => 'Test')
+    end
+
+    it "should be persisted correctly" do
+      obj.save!
+      expect(Project.get(obj.id)).to_not be_nil
+    end
+
+    it "should always assume the doc has changed" do
+      expect(obj.changed?).to be_true
+      obj.save!
+      expect(obj.changed?).to be_true
+    end
+
+    it "should provide a nil changes set" do
+      expect(obj.changes).to be_nil
+    end
+
+    it "should not store a changes cache" do
+      expect(obj.send(:original_change_data)).to be_nil
+    end
+
+    it "should asume all properties have changed" do
+      obj.save!
+      obj.name = "Fooo"
+      expect(obj.name_changed?).to be_true
+      expect(obj.name_change).to eql(nil)
+    end
+
+  end
 end