move development dependencies to Gemfile, & use Bundler.require().

Gemfile

@@ -1,5 +1,6 @@
 source 'https://rubygems.org'
 gemspec
+gem 'rake',  '~> 10.0'
 
 # For Guard
 group :development do
@@ -8,6 +9,16 @@ group :development do
   gem 'rb-fsevent', :require => 'false'
 end
 
+group :test do
+  gem 'bacon', '~> 1.2'
+  gem 'mocha', '~> 1.0', require: "mocha/api"
+end
+
+group :development, :test do
+  gem 'simplecov', '~> 0.8'
+  gem 'bond',  '~> 0.5'
+end
+
 platform :rbx do
   gem 'rubysl-singleton'
   gem 'rubysl-prettyprint'

pry.gemspec

@@ -19,12 +19,5 @@ Gem::Specification.new do |s|
   s.add_dependency 'coderay',       '~> 1.1.0'
   s.add_dependency 'slop',          '~> 3.4'
   s.add_dependency 'method_source', '~> 0.8'
-
   s.add_development_dependency 'bundler', '~> 1.0'
-  s.add_development_dependency 'bacon', '~> 1.2'
-  s.add_development_dependency 'rake',  '~> 10.0'
-  s.add_development_dependency 'mocha', '~> 1.0'
-  s.add_development_dependency 'simplecov', '~> 0.8'
-  # TODO: make this a plain dependency:
-  s.add_development_dependency 'bond',  '~> 0.5'
 end

spec/helper.rb

@@ -1,10 +1,7 @@
 require 'bundler/setup'
-require 'mocha/api'
 require 'ostruct'
-
-require 'pry'
 require 'pry/test/helper'
-
+Bundler.require :default, :test
 require_relative 'spec_helpers/bacon'
 require_relative 'spec_helpers/mock_pry'
 require_relative 'spec_helpers/repl_tester'