Create rails generator for initial config.

README.md

@@ -47,15 +47,21 @@ When upgrading from a previous version, see [UPGRADING](UPGRADING.md). You might
 ## Usage
 WineBouncer is a custom Grape Middleware used for Authentication and Authorization. We assume you have a Grape API mounted in your Rails application together with Doorkeeper.  
 
-To get started with WineBouncer, create a rails initializer in your Rails app at `config/initializers/wine_bouncer.rb` with the following configuration.
+To get started with WineBouncer, run the configuration initializer:
+
+```shell
+$ rails g wine_bouncer:initializer
+```
+
+This creates a rails initializer in your Rails app at `config/initializers/wine_bouncer.rb` with the following configuration:
 
 ``` ruby
 WineBouncer.configure do |config|
-    config.auth_strategy = :default
+  config.auth_strategy = :default
 
-    config.define_resource_owner do
-        User.find(doorkeeper_access_token.resource_owner_id) if doorkeeper_access_token
-    end
+  config.define_resource_owner do
+    User.find(doorkeeper_access_token.resource_owner_id) if doorkeeper_access_token
+  end
 end
 ```
 

lib/generators/templates/wine_bouncer.rb

@@ -0,0 +1,7 @@
+WineBouncer.configure do |config|
+  config.auth_strategy = :default
+
+  config.define_resource_owner do
+    User.find(doorkeeper_access_token.resource_owner_id) if doorkeeper_access_token
+  end
+end

lib/generators/wine_bouncer/initializer_generator.rb

@@ -0,0 +1,12 @@
+module WineBouncer
+  module Generators
+    class InitializerGenerator < ::Rails::Generators::Base
+      source_root File.expand_path('../../templates', __FILE__)
+
+      desc 'Creates a sample WineBouncer initializer.'
+      def copy_initializer
+        copy_file 'wine_bouncer.rb', 'config/initializers/wine_bouncer.rb'
+      end
+    end
+  end
+end

spec/lib/generators/wine_bouncer/initializer_generator_spec.rb

@@ -0,0 +1,18 @@
+require 'generator_spec'
+require 'rails_helper'
+require 'spec_helper'
+require 'generators/wine_bouncer/initializer_generator'
+
+describe WineBouncer::Generators::InitializerGenerator, type: :generator do
+  destination '/tmp'
+
+  before do
+    prepare_destination
+    run_generator
+  end
+
+  it 'creates a test initializer' do
+    assert_file 'config/initializers/wine_bouncer.rb', /WineBouncer\.configure/
+  end
+end
+

wine_bouncer.gemspec

@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec-rails", "~> 3.1.0"
   spec.add_development_dependency 'factory_girl', '~> 4.4.0'
+  spec.add_development_dependency "generator_spec", "~> 0.9.0"
   spec.add_development_dependency "sqlite3"
   spec.add_development_dependency "database_cleaner", "~> 1.3.0"
-
 end