From d0faf8b2d09b543aed5ef2811690812fe55cad83 Mon Sep 17 00:00:00 2001
From: Robert Gleeson <rob@flowof.info>
Date: Fri, 14 Mar 2014 05:40:09 +0100
Subject: [PATCH] add Pry::Config::Behavior#default.

---
 lib/pry/config/behavior.rb |  8 ++++++++
 spec/config_spec.rb        | 22 +++++++++++++++++-----
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/lib/pry/config/behavior.rb b/lib/pry/config/behavior.rb
index e4c950f0..a7db8b86 100644
--- a/lib/pry/config/behavior.rb
+++ b/lib/pry/config/behavior.rb
@@ -24,6 +24,14 @@ module Pry::Config::Behavior
     @writes = {}
   end
 
+  #
+  # @return [Pry::Config::Behavior]
+  #   returns the fallback used when a key is not found locally.
+  #
+  def default
+    @default
+  end
+
   def [](key)
     @writes[key.to_s]
   end
diff --git a/spec/config_spec.rb b/spec/config_spec.rb
index 238e043e..a531a370 100644
--- a/spec/config_spec.rb
+++ b/spec/config_spec.rb
@@ -1,5 +1,4 @@
 require_relative 'helper'
-
 describe Pry::Config do
   describe "reserved keys" do
     it "raises an ArgumentError on assignment of a reserved key" do
@@ -38,19 +37,32 @@ describe Pry::Config do
   end
 
   describe ".from_hash" do
-    it "returns an object without a default when given 1 argument" do
+    it "returns an object without a default" do
       local = Pry::Config.from_hash({})
-      local.instance_variable_get(:@default).should == nil
+      local.default.should == nil
     end
 
-    it "returns an object with a default when given 2 arguments" do
+    it "returns an object with a default" do
       default = Pry::Config.new(nil)
       local = Pry::Config.from_hash({}, default)
-      local.instance_variable_get(:@default).should == default
+      local.default.should == local
     end
   end
 
 
+  describe "#default" do
+    it "returns nil" do
+      local = Pry::Config.new(nil)
+      local.default.should == nil
+    end
+
+    it "returns the default" do
+      default = Pry::Config.new(nil)
+      local = Pry::Config.new(default)
+      local.default.should == default
+    end
+  end
+
   describe "#keys" do
     it "returns an array of local keys" do
       root = Pry::Config.from_hash({zoo: "boo"}, nil)