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[graph.njae.git] / spec / graph / graph_spec.rb~

diff --git a/spec/graph/graph_spec.rb~ b/spec/graph/graph_spec.rb~
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+require 'spec_helper'
+
+module Graph
+  describe Graph do
+    let (:g) { Graph.new }
+    describe "#initialize" do
+      it "creates an empty graph" do
+        g = Graph.new
+        g.edges.should be_empty
+        g.vertices.should be_empty
+      end
+    end # #initialize
+      
+    describe "adds attribues" do
+      it "adds then reports arbitrary attributes" do
+        g.score = 15
+        g.score == 15
+      end
+    end # adds attributes
+    
+    describe "#<<" do
+      it "adds a set of vertices" do
+        g.vertices.should be_empty
+        v1 = Vertex.new
+        v2 = Vertex.new
+        g << v1 << v2
+        g.should have(2).vertices
+        g.vertices.should include(v1)
+        g.vertices.should include(v2)
+      end
+      
+      it "adds a set of edges" do
+        g.edges.should be_empty
+        e1 = Edge.new
+        e2 = Edge.new
+        g << e1 << e2
+        g.should have(2).edges
+        g.edges.should include(e1)
+        g.edges.should include(e2)
+      end
+      
+      it "adds a mixed set of vertices and edges" do
+        g.vertices.should be_empty
+        g.edges.should be_empty
+        v1 = Vertex.new
+        v2 = Vertex.new
+        e1 = Edge.new
+        e2 = Edge.new
+        g << v1 << e1 << v2 << e2
+        g.should have(2).vertices
+        g.vertices.should include(v1)
+        g.vertices.should include(v2)
+        g.should have(2).edges
+        g.edges.should include(e1)
+        g.edges.should include(e2)
+      end
+    end # #<<
+
+    describe "connect" do
+      it "adds and records an edge between vertices" do
+      end
+    end # #connect
+    
+  end
+end
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