spec/undirected_graph_spec.rb in graphshaper-0.1 vs spec/undirected_graph_spec.rb in graphshaper-0.2

@@ -1,32 +1,14 @@
 require "spec_helper"
-require "stringio" # for testing the logger
 
 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)
     graph.size.should ==(0)
   end
   
-  it "should create a graph with a logger for edge creation" do
-    edge_creation_logger = StringIO.new
-    graph = Graphshaper::UndirectedGraph.new 5, edge_creation_logger: edge_creation_logger
-    
-    graph.add_edge 1,3
-    graph.add_edge 2,3
-    edge_creation_logger.string.should ==("1,3\n2,3\n")
-  end
-  
-  it "should create a graph with a logger for vertex creation" do
-    vertex_creation_logger = StringIO.new
-    graph = Graphshaper::UndirectedGraph.new 5, vertex_creation_logger: vertex_creation_logger
-    
-    graph.add_vertex
-    vertex_creation_logger.string.should ==("0\n1\n2\n3\n4\n5\n")
-  end
-  
   describe "initialized graph" do
     before :each do
       @graph = Graphshaper::UndirectedGraph.new 5
     end
     
@@ -163,8 +145,35 @@
       # One more vertex
       @graph.order.should ==(6)
       
       # Two additional edges
       @graph.size.should ==(3)
+    end
+  end
+  
+  describe "Adapter Support" do
+    before :each do
+      @adapter = double()
+      @adapter.stub :add_vertex
+      @adapter.stub :add_edge
+    end
+    
+    it "should tell the adapter about the inital vertices on creation" do
+      5.times do |vertex_id|
+        @adapter.should_receive(:add_vertex).with(vertex_id)
+      end
+      graph = Graphshaper::UndirectedGraph.new 5, adapters: [@adapter]
+    end
+    
+    it "should tell the adapter about later added vertices" do
+      graph = Graphshaper::UndirectedGraph.new 5, adapters: [@adapter]
+      @adapter.should_receive(:add_vertex).with(5)
+      graph.add_vertex
+    end
+    
+    it "should tell the adapter about later added edges" do
+      graph = Graphshaper::UndirectedGraph.new 5, adapters: [@adapter]
+      @adapter.should_receive(:add_edge).with(0, 1, 2)
+      graph.add_edge 1, 2
     end
   end
 end
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