Commit a3608bf

@@ -0,0 +1,11 @@
+class East
+  def turn_right
+    South.new
+  end
+  def turn_left
+    North.new
+  end
+  def forward(location)
+    location[:x] = location[:x]+1
+  end
+end

@@ -0,0 +1,3 @@
+class North
+
+end

@@ -0,0 +1,3 @@
+class South
+  
+end

@@ -0,0 +1,3 @@
+class West
+
+end

@@ -0,0 +1,20 @@
+require 'spec_helper'
+
+describe East do
+  let(:sut){ East.new }
+
+  context "when moving forward" do
+    it "should move to the next position" do
+      @location[:x].should == 1
+    end
+    before do
+      @location = {:x => 0, :y => 0}
+      sut.forward(@location)
+    end
+  end
+  context "when turning right" do
+    it "should face South" do
+      sut.turn_right.should be_an_instance_of(South)
+    end
+  end
+end

@@ -2,3 +2,7 @@ require "rspec"
 require "rspec-fakes"
 
 require_relative '../lib/terrain'
+require_relative '../lib/north'
+require_relative '../lib/east'
+require_relative '../lib/south'
+require_relative '../lib/west'