spec/dynamoid/persistence_spec.rb in dynamoid-0.2.0 vs spec/dynamoid/persistence_spec.rb in dynamoid-0.3.0

@@ -78,15 +78,39 @@
     @subscription = Subscription.create(:length => 10)
     @magazine = @subscription.magazine.create
     
     @subscription.send(:dump)[:magazine_ids].should == Set[@magazine.id]
   end
+
+  it 'handles nil attributes properly' do
+    Address.undump(nil).should be_a(Hash)
+  end
+
+  it 'dumps and undump a serialized field' do
+    @address.options = (hash = {:x => [1, 2], "foobar" => 3.14})
+    Address.undump(@address.send(:dump))[:options].should == hash
+  end
+
+  it 'loads a hash into a serialized field' do
+    hash = {foo: :bar}
+    Address.new(options: hash).options.should == hash
+  end
   
   it 'loads attributes from a hash' do
     @time = DateTime.now
     @hash = {:name => 'Josh', :created_at => @time.to_f}
     
     User.undump(@hash)[:name].should == 'Josh'
     User.undump(@hash)[:created_at].to_f == @time.to_f
+  end
+  
+  it 'tracks previous changes on save or update' do
+    @address.city = 'Chicago'
+    @address.save
+    
+    @address.city = 'San Francisco'
+    @address.save
+    
+    @address.city_was.should == 'Chicago'
   end
 
 end