spec/undirected_graph_spec.rb in graphshaper-0.2.2 vs spec/undirected_graph_spec.rb in graphshaper-0.2.3

@@ -1,6 +1,7 @@
 require "spec_helper"
+require "graphshaper/undirected_graph"
 
 describe Graphshaper::UndirectedGraph do
   it "should create a graph with a given number of vertices and no edges" do
     graph = Graphshaper::UndirectedGraph.new 5
     graph.order.should ==(5)
@@ -66,22 +67,12 @@
       @graph.degree_distribution.should ==[5]
       @graph.add_edge 0,1
       @graph.add_edge 1,2
       @graph.degree_distribution.should ==[2,2,1]
     end
-  end
-  
-  describe "random generated graph without orphans" do
-    before :each do
-      @graph = Graphshaper::UndirectedGraph.without_orphans_with_order_of 15
-    end
     
-    it "should have the correct order" do
-      @graph.order.should ==(15)
-    end
-    
-    it "should have no orphans" do
-      @graph.number_of_orphans.should ==(0)
+    it "should be able to connect all vertices" do
+      expect { @graph.connect_all_vertices }.to change{ @graph.number_of_orphans }.by(-5)
     end
   end
   
   describe "calculating the vertex's degree and preferential attachment" do
     before :each do
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