Add DeepStruct to imitate Sawyer::Resource

OpenStruct doesn’t recursively provide method accessors.

See http://andreapavoni.com/blog/2013/4/create-recursive-openstruct-from-a-ruby-hash

spec/spec_helper.rb

@@ -1,10 +1,12 @@
 $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'github-backup'
 require 'minitest/autorun'
 require 'fakefs/safe'
+require File.join(File.dirname(__FILE__), 'support', 'deep_struct')
 
 def sawyer_repo
-  OpenStruct.new(
+  DeepStruct.new(
     {:id=>251112,
      :name=>"github-backup",
      :full_name=>"ddollar/github-backup",

spec/support/deep_struct.rb

@@ -0,0 +1,22 @@
+require 'ostruct'
+
+class DeepStruct < OpenStruct
+  def initialize(hash=nil)
+    @table = {}
+    @hash_table = {}
+
+    if hash
+      hash.each do |k,v|
+        @table[k.to_sym] = (v.is_a?(Hash) ? self.class.new(v) : v)
+        @hash_table[k.to_sym] = v
+
+        new_ostruct_member(k)
+      end
+    end
+  end
+
+  def to_h
+    @hash_table
+  end
+
+end