adding tests and readme for unique nodes and relationships

README.rdoc

@@ -6,7 +6,9 @@ Neography is a thin Ruby wrapper to the Neo4j Rest API, for more information:
 
 If you want to the full power of Neo4j, you will want to use JRuby and the excellent Neo4j.rb gem at https://github.com/andreasronge/neo4j by Andreas Ronge
 
-A complement to Neography is the Neology Gem at https://github.com/lordkada/neology by Carlo Alberto Degli Atti
+Complement to Neography are the:
+Neology Gem at https://github.com/lordkada/neology by Carlo Alberto Degli Atti
+Neoid Gem at https://github.com/elado/neoid by Elad Ossadon
 
 An alternative is the Architect4r Gem at https://github.com/namxam/architect4r by Maximilian Schulz 
 
@@ -96,8 +98,11 @@ To Use:
   @neo = Neography::Rest.new                                 # Inialize using all default parameters 
 
   @neo.get_root                                              # Get the root node
-  node1 = @neo.create_node                                   # Create an empty node
-  node2 = @neo.create_node("age" => 31, "name" => "Max")     # Create a node with some properties
+  @neo.create_node                                           # Create an empty node
+  @neo.create_node("age" => 31, "name" => "Max")             # Create a node with some properties
+  @neo.create_unique_node(index_name, key, unique_value,     # Create a unique node 
+                         {"age" => 31, "name" => "Max"})     # this needs an existing index
+
   @neo.get_node(node2)                                       # Get a node and its properties
   @neo.delete_node(node2)                                    # Delete an unrelated node
   @neo.delete_node!(node2)                                   # Delete a node and all its relationships
@@ -110,8 +115,11 @@ To Use:
   @neo.remove_node_properties(node1, "weight")               # Remove one property of a node
   @neo.remove_node_properties(node1, ["weight","age"])       # Remove multiple properties of a node
 
-  rel1 = @neo.create_relationship("friends", node1, node2)   # Create a relationship between node1 and node2
-  rel2 = @neo.get_relationship(rel1)                         # Get a relationship
+  @neo.create_relationship("friends", node1, node2)          # Create a relationship between node1 and node2
+  @neo.create_unique_relationship(index_name, key, value,    # Create a unique relationship between nodes 
+                          "friends", new_node1, new_node2)   # this needs an existing index
+
+  @neo.get_relationship(rel1)                                # Get a relationship
   @neo.get_node_relationships(node1)                         # Get all relationships
   @neo.get_node_relationships(node1, "in")                   # Get only incoming relationships
   @neo.get_node_relationships(node1, "all", "enemies")       # Get all relationships of type enemies
@@ -169,10 +177,6 @@ To Use:
   # "depth" is a short-hand way of specifying a prune evaluator which prunes after a certain depth. 
   # If not specified a depth of 1 is used and if a "prune evaluator" is specified instead of a depth, no depth limit is set.
 
-Please see the specs for more examples.
-
-Batch (in progress):
-
   @neo.batch [:get_node, node1], [:get_node, node2]                        # Gets two nodes in a batch
   @neo.batch [:create_node, {"name" => "Max"}], 
              [:create_node, {"name" => "Marc"}]                            # Creates two nodes in a batch
@@ -198,6 +202,10 @@ Batch (in progress):
 
 See http://docs.neo4j.org/chunked/milestone/rest-api-batch-ops.html for Neo4j Batch operations documentation.
 
+
+Please see the specs for more examples.
+
+
 Experimental:
 
   nodes = @neo.create_nodes(5)                                              # Create 5 empty nodes

spec/integration/rest_node_spec.rb

@@ -36,6 +36,17 @@
       new_node["data"]["name"].should == "Max"
       new_node["data"]["age"].should == 31
     end
+
+    it "can create a unique node with more than one property" do
+      index_name = generate_text(6)
+      key = generate_text(6)
+      value = generate_text
+      @neo.create_node_index(index_name)
+      new_node = @neo.create_unique_node(index_name, key, value, {"age" => 31, "name" => "Max"})
+      new_node["data"]["name"].should == "Max"
+      new_node["data"]["age"].should == 31
+    end
+
   end
 
   describe "get_node" do

spec/integration/rest_relationship_spec.rb

@@ -30,6 +30,28 @@
       new_relationship["data"]["since"].should == '10-1-2010'
       new_relationship["data"]["met"].should == "college"
     end
+
+    it "can create a unique node with more than one property" do
+      index_name = generate_text(6)
+      key = generate_text(6)
+      value = generate_text
+      @neo.create_node_index(index_name)
+      new_node = @neo.create_unique_node(index_name, key, value, {"age" => 31, "name" => "Max"})
+      new_node["data"]["name"].should == "Max"
+      new_node["data"]["age"].should == 31
+    end
+
+    it "can create a unique relationship" do
+      index_name = generate_text(6)
+      key = generate_text(6)
+      value = generate_text
+      new_node1 = @neo.create_node
+      new_node2 = @neo.create_node
+      new_relationship = @neo.create_unique_relationship(index_name, key, value, "friends", new_node1, new_node2)
+      new_relationship["data"][key].should == value
+    end
+
+
   end
 
   describe "get_relationship" do