changed set to reset and added regular set node properties

README.rdoc

@@ -35,6 +35,7 @@ A thin ruby wrapper Neography::Rest which tries to mirror the Neo4j Rest API and
   Neography::Rest.create_node                                  # Create an empty node
   Neography::Rest.create_node("age" => 31, "name" => "Max")    # Create a node with some properties
   Neography::Rest.get_node(id)                                 # Get a node and its properties
+  Neography::Rest.reset_node_properties(id, {"age" => 31})     # Reset a node's properties
   Neography::Rest.set_node_properties(id, {"weight" => 200})   # Set a node's properties
   Neography::Rest.get_node_properties(id)                      # Get just the properties
   Neography::Rest.remove_node_properties(id)                   # Remove all properties of a node

lib/neography/rest.rb

@@ -23,7 +23,7 @@ def get_node(id)
         rescue_ij { get("/node/#{id}") }
       end
 
-      def set_node_properties(id, properties)
+      def reset_node_properties(id, properties)
         options = { :body => properties.to_json, :headers => {'Content-Type' => 'application/json'} } 
         rescue_ij { put("/node/#{id}/properties", options) }
       end
@@ -42,7 +42,12 @@ def remove_node_properties(id, properties = nil)
         end
       end
 
-
+      def set_node_properties(id, properties)
+          properties.each do |key, value| 
+            options = { :body => value.to_json, :headers => {'Content-Type' => 'application/json'} } 
+            rescue_ij { put("/node/#{id}/properties/#{key}", options) } 
+          end
+      end
 
      private
 

spec/integration/rest_spec.rb

@@ -51,10 +51,33 @@
       existing_node["data"]["eyes"].should == "brown"
     end
 
-    it "returns nil if it fails to set properties on a node that does not exist" do
+    it "it fails to set properties on a node that does not exist" do
       new_node = Neography::Rest.create_node
       new_node[:id] = new_node["self"].split('/').last
-      Neography::Rest.set_node_properties(new_node[:id].to_i + 1, {"weight" => 200, "eyes" => "brown"}).should be_nil
+      Neography::Rest.set_node_properties(new_node[:id].to_i + 1000, {"weight" => 150, "hair" => "blonde"})
+      node_properties = Neography::Rest.get_node_properties(new_node[:id].to_i + 1000)
+      node_properties.should be_nil
+    end
+  end
+
+  describe "reset_node_properties" do
+    it "can reset a node's properties" do
+      new_node = Neography::Rest.create_node
+      new_node[:id] = new_node["self"].split('/').last
+      Neography::Rest.set_node_properties(new_node[:id], {"weight" => 200, "eyes" => "brown", "hair" => "black"})
+      Neography::Rest.reset_node_properties(new_node[:id], {"weight" => 190, "eyes" => "blue"})
+      existing_node = Neography::Rest.get_node(new_node[:id])
+      existing_node["data"]["weight"].should == 190
+      existing_node["data"]["eyes"].should == "blue"
+      existing_node["data"]["hair"].should be_nil
+    end
+
+    it "it fails to reset properties on a node that does not exist" do
+      new_node = Neography::Rest.create_node
+      new_node[:id] = new_node["self"].split('/').last
+      Neography::Rest.reset_node_properties(new_node[:id].to_i + 1000, {"weight" => 170, "eyes" => "green"})
+      node_properties = Neography::Rest.get_node_properties(new_node[:id].to_i + 1000)
+      node_properties.should be_nil
     end
   end