From 353a5d54ad4014af126c76617d9b02029a3ee98c Mon Sep 17 00:00:00 2001
From: Neil Smith <neil.github@njae.me.uk>
Date: Fri, 10 Feb 2012 16:05:21 +0000
Subject: [PATCH] Added hash parameter to graph initialization

---
 Gemfile                   |  7 +++----
 Gemfile.lock              | 33 +++++++++++++++++----------------
 lib/graph.njae/edge.rb    |  4 ++--
 lib/graph.njae/graph.rb   | 21 ++++++++++++++++++---
 lib/graph.njae/vertex.rb  |  4 ++--
 spec/graph/edge_spec.rb   |  9 +++++++++
 spec/graph/graph_spec.rb  |  9 +++++++++
 spec/graph/vertex_spec.rb |  8 ++++++++
 8 files changed, 68 insertions(+), 27 deletions(-)

diff --git a/Gemfile b/Gemfile
index d6b498f..f677f3d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,9 +6,8 @@ source "http://rubygems.org"
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "rspec", "~> 2.6.0"
-  gem "bundler", "~> 1.0.0"
-  gem "jeweler", "~> 1.6.2"
-  gem "rcov", ">= 0"
+  gem "rspec"
+  gem "bundler"
+  gem "jeweler"
   gem "rdoc"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 024a43a..9b1b95b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,30 +1,31 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    diff-lcs (1.1.2)
+    diff-lcs (1.1.3)
     git (1.2.5)
-    jeweler (1.6.2)
+    jeweler (1.8.3)
       bundler (~> 1.0)
       git (>= 1.2.5)
       rake
-    rake (0.9.2)
-    rcov (0.9.9)
-    rdoc (3.7)
-    rspec (2.6.0)
-      rspec-core (~> 2.6.0)
-      rspec-expectations (~> 2.6.0)
-      rspec-mocks (~> 2.6.0)
-    rspec-core (2.6.4)
-    rspec-expectations (2.6.0)
+      rdoc
+    json (1.6.5)
+    rake (0.9.2.2)
+    rdoc (3.12)
+      json (~> 1.4)
+    rspec (2.8.0)
+      rspec-core (~> 2.8.0)
+      rspec-expectations (~> 2.8.0)
+      rspec-mocks (~> 2.8.0)
+    rspec-core (2.8.0)
+    rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
-    rspec-mocks (2.6.0)
+    rspec-mocks (2.8.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.0.0)
-  jeweler (~> 1.6.2)
-  rcov
+  bundler
+  jeweler
   rdoc
-  rspec (~> 2.6.0)
+  rspec
diff --git a/lib/graph.njae/edge.rb b/lib/graph.njae/edge.rb
index f38a32b..814360b 100644
--- a/lib/graph.njae/edge.rb
+++ b/lib/graph.njae/edge.rb
@@ -10,8 +10,8 @@ module GraphNjae
   # Each connection is handled by a Graph::Connection object, so that each end
   # of the Edge can have it's own attributes.
   class Edge < OpenStruct
-    def initialize
-      super
+    def initialize(values = {})
+      super(values)
       self.connections = []
       self
     end
diff --git a/lib/graph.njae/graph.rb b/lib/graph.njae/graph.rb
index e08a1ad..b1de59b 100644
--- a/lib/graph.njae/graph.rb
+++ b/lib/graph.njae/graph.rb
@@ -7,8 +7,8 @@ module GraphNjae
   # A container for all the parts of a graph.  The graph can have arbitrary attributes,
   # treated as method names.
   class Graph < OpenStruct
-    def initialize
-      super
+    def initialize(values = {})
+      super(values)
       self.edges = Array.new
       self.vertices = Array.new
       self
@@ -23,5 +23,20 @@ module GraphNjae
       end
       self
     end
-  end
+    
+    # Form a product graph of this graph and the other.
+    # Return the new graph.
+    def product(other)
+      product_graph = Graph.new
+      self.vertices.each do |v1|
+        other.vertices.each do |v2|
+          product_vertex = Vertex.new
+          product_vertex.left_node = v1
+          product_vertex.right_node = v2
+          product_graph << product_vertex
+        end
+      end
+    end
+    
+  end # class
 end
diff --git a/lib/graph.njae/vertex.rb b/lib/graph.njae/vertex.rb
index 4a75b6d..6b34351 100644
--- a/lib/graph.njae/vertex.rb
+++ b/lib/graph.njae/vertex.rb
@@ -6,8 +6,8 @@ module GraphNjae
   # A vertex in a graph. The edge can have arbitrary attributes,treated as 
   # method names.
   class Vertex < OpenStruct
-    def initialize
-      super
+    def initialize(values = {})
+      super(values)
       self.edges = []
       self
     end
diff --git a/spec/graph/edge_spec.rb b/spec/graph/edge_spec.rb
index 2e7dbfc..d139667 100644
--- a/spec/graph/edge_spec.rb
+++ b/spec/graph/edge_spec.rb
@@ -8,6 +8,15 @@ module GraphNjae
         e = Edge.new
         e.connections.should be_empty
       end
+      
+      it "creates an edge with some parameters" do
+        e = Edge.new :value1 => 1, :value2 => "value2", :value3 => :v3
+        e.value1.should == 1
+        e.value2.should == "value2"
+        e.value3.should == :v3
+        e.value4.should be_nil
+      end
+
     end # #initialize
     
     describe "adds attribues" do
diff --git a/spec/graph/graph_spec.rb b/spec/graph/graph_spec.rb
index 09cc6a4..5da61f5 100644
--- a/spec/graph/graph_spec.rb
+++ b/spec/graph/graph_spec.rb
@@ -16,6 +16,15 @@ module GraphNjae
         g.edges.should be_empty
         g.vertices.should be_empty
       end
+      
+      it "creates a graph with some parameters" do
+        g = Graph.new :value1 => 1, :value2 => "value2", :value3 => :v3
+        g.value1.should == 1
+        g.value2.should == "value2"
+        g.value3.should == :v3
+        g.value4.should be_nil
+      end
+
     end # #initialize
       
     describe "adds attribues" do
diff --git a/spec/graph/vertex_spec.rb b/spec/graph/vertex_spec.rb
index 49ce58c..b193bc8 100644
--- a/spec/graph/vertex_spec.rb
+++ b/spec/graph/vertex_spec.rb
@@ -9,6 +9,14 @@ module GraphNjae
         v = Vertex.new
         v.edges.should be_empty
       end
+      
+      it "creates a vertex with some parameters" do
+        v = Vertex.new :value1 => 1, :value2 => "value2", :value3 => :v3
+        v.value1.should == 1
+        v.value2.should == "value2"
+        v.value3.should == :v3
+        v.value4.should be_nil
+      end
     end # #initialize
     
     describe "adds attribues" do
-- 
2.34.1