require 'spec_helper'

describe Graph do

  describe 'Graph' do

    describe 'new' do

      it "should create a new graph with a name and no nodes" do
        graph1 = Graph::Graph.new('graph1')
        graph1.name.should eq('graph1')
        graph1.nodes.empty?.should eq(true)
      end

    end

    describe 'add' do

      it "should add a node to the graph with the given value" do
        graph1 = Graph::Graph.new('graph1')
        graph1.nodes.empty?.should eq(true)
        graph1.add(11)
        graph1.nodes.empty?.should eq(false)
        graph1.nodes[0].value.should eq(11)
      end

    end

  end

  describe 'Node' do

    describe 'new' do

      it "should create a new node with the given value and no incoming or outgoing nodes" do
        node1 = Graph::Node.new(11)
        node1.value.should eq(11)
        node1.incoming.empty?.should eq(true)
        node1.outgoing.empty?.should eq(true)
      end

    end

  end

end

require 'spec_helper'

describe Graph do

  describe 'Graph' do

    describe 'new' do

      it "should create a new graph with a name and no nodes" do
        graph1 = Graph::Graph.new('graph1')
        graph1.name.should eq('graph1')
        graph1.nodes.empty?.should eq(true)
      end

    end

  end

  describe 'Node' do

    describe 'new' do

      it "should create a new node with the given value and no incoming or outgoing nodes" do
        node1 = Graph::Node.new(11)
        node1.value.should eq(11)
        node1.incoming.empty?.should eq(true)
        node1.outgoing.empty?.should eq(true)
      end

    end

  end

end

--- 
+++ 
@@ -10,6 +10,18 @@
         graph1 = Graph::Graph.new('graph1')
         graph1.name.should eq('graph1')
         graph1.nodes.empty?.should eq(true)
+      end
+
+    end
+
+    describe 'add' do
+
+      it "should add a node to the graph with the given value" do
+        graph1 = Graph::Graph.new('graph1')
+        graph1.nodes.empty?.should eq(true)
+        graph1.add(11)
+        graph1.nodes.empty?.should eq(false)
+        graph1.nodes[0].value.should eq(11)
       end
 
     end
Add a spec for an add method as part of the Graph class.
