we now have working namespace->graph binding

lib/graph.rb

@@ -4,11 +4,11 @@
 require 'lib/literal'
 require 'lib/triple'
 class Graph
-  attr_accessor :triples
+  attr_accessor :triples, :nsbinding
 
   def initialize
     @triples = []
-    @nsbinding = []
+    @nsbinding = {}
   end
 
   def size
@@ -38,7 +38,7 @@ def namespace(uri, short)
 
   def bind(namespace)
     if namespace.class == Namespace
-      @nsbinding =+ namespace
+      @nsbinding["#{namespace.short}"] = namespace
     else
       raise
     end

lib/namespace.rb

@@ -1,6 +1,9 @@
 require 'lib/uriref'
+require 'lib/graph'
 
 class Namespace
+  attr_accessor :short, :uri
+
   def initialize(uri, short)
     @uri = uri
     if shortname_valid?(short)
@@ -15,7 +18,7 @@ def method_missing(methodname, *args)
   end
 
   def bind(graph)
-    if graph.class == Class
+    if graph.class == Graph
       graph.bind(self)
     else
       raise

test/spec/namespaces.spec.rb

@@ -1,4 +1,6 @@
+require 'lib/graph'
 require 'lib/namespace'
+
 describe "Namespaces" do
   it "should use method_missing to create URIRefs on the fly" do
     foaf = Namespace.new("http://xmlns.com/foaf/0.1/", "foaf")
@@ -18,7 +20,10 @@
   end
 
   it "should be able to attach to the graph for substitution" do
-    pending "TODO: looking at best way to do this"
     # rdflib does this using graph.bind('prefix', namespace)
+    g = Graph.new
+    foaf = Namespace.new("http://xmlns.com/foaf/0.1/", "foaf")
+    foaf.bind(g)
+    g.nsbinding["foaf"].should == foaf
   end
 end