used Bundler's Gemspec#add_bundler_dependencies to reduce duplication betwen Gemfile and gemspecs

Gemfile

@@ -20,16 +20,11 @@ group :oa_openid do
   gem 'rack-openid',      '~> 1.0.3', :require => 'rack/openid'
 end
 
-group :development, :test do
-  gem 'rake'
-end
-
 group :development do
+  gem 'rake'
   gem 'mg',             '~> 0.0.8'
   gem 'term-ansicolor',             :require => 'term/ansicolor'
-end
-
-group :test do
   gem 'rspec',          '~> 1.3.0', :require => 'spec'
   gem 'webmock',        '~> 1.2.2'
-end
+  gem 'rack-test',      '~> 0.5.4', :require => 'rack/test'
+end

Rakefile

@@ -1,6 +1,6 @@
 require 'rubygems'
 require 'bundler'
-Bundler.setup
+Bundler.setup(:development)
 require 'rake'
 require 'term/ansicolor'
 

oa-basic/oa-basic.gemspec

@@ -1,3 +1,6 @@
+require 'rubygems'
+require 'bundler'
+
 version = File.open(File.dirname(__FILE__) + '/../VERSION', 'r').read.strip
 
 Gem::Specification.new do |gem|
@@ -12,10 +15,5 @@ Gem::Specification.new do |gem|
   gem.files = Dir.glob("{lib}/**/*") + %w(README.rdoc LICENSE.rdoc CHANGELOG.rdoc)
   
   gem.add_dependency 'oa-core', version
-  gem.add_dependency 'rest-client'
-  
-  gem.add_development_dependency "rspec", ">= 1.2.9"
-  gem.add_development_dependency "webmock"
-  gem.add_development_dependency "rack-test"
-  gem.add_development_dependency "mg"
+  gem.add_bundler_dependencies(:default, :oa_basic, :development)
 end

oa-core/oa-core.gemspec

@@ -11,10 +11,5 @@ Gem::Specification.new do |gem|
   
   gem.files = Dir.glob("{lib}/**/*") + %w(LICENSE.rdoc CHANGELOG.rdoc)
   
-  gem.add_dependency 'rack'
-  
-  gem.add_development_dependency "rspec", ">= 1.2.9"
-  gem.add_development_dependency "webmock"
-  gem.add_development_dependency "rack-test"
-  gem.add_development_dependency "mg"
+  gem.add_bundler_dependencies(:default, :oa_core, :development)
 end

oa-oauth/oa-oauth.gemspec

@@ -12,13 +12,5 @@ Gem::Specification.new do |gem|
   gem.files = Dir.glob("{lib}/**/*") + %w(README.rdoc LICENSE.rdoc CHANGELOG.rdoc)
   
   gem.add_dependency 'oa-core', version
-  gem.add_dependency 'oauth'
-  gem.add_dependency 'oauth2'
-  gem.add_dependency 'nokogiri'
-  gem.add_dependency 'json'
-  
-  gem.add_development_dependency "rspec", ">= 1.2.9"
-  gem.add_development_dependency "webmock"
-  gem.add_development_dependency "rack-test"
-  gem.add_development_dependency "mg"
+  gem.add_bundler_dependencies(:default, :oa_oauth, :development)
 end

oa-openid/oa-openid.gemspec

@@ -12,10 +12,5 @@ Gem::Specification.new do |gem|
   gem.files = Dir.glob("{lib}/**/*") + %w(README.rdoc LICENSE.rdoc CHANGELOG.rdoc)
   
   gem.add_dependency 'oa-core', version
-  gem.add_dependency 'rack-openid'
-  
-  gem.add_development_dependency "rspec", ">= 1.2.9"
-  gem.add_development_dependency "webmock"
-  gem.add_development_dependency "rack-test"
-  gem.add_development_dependency "mg"
+  gem.add_bundler_dependencies(:default, :oa_openid, :development)
 end

omniauth/omniauth.gemspec

@@ -15,8 +15,5 @@ Gem::Specification.new do |gem|
     gem.add_dependency subgem, version
   end
   
-  gem.add_development_dependency "rspec", ">= 1.2.9"
-  gem.add_development_dependency "webmock"
-  gem.add_development_dependency "rack-test"
-  gem.add_development_dependency "mg"
+  gem.add_bundler_dependencies(:development)
 end