Merge pull request #36 from alexrothenberg/generator_specs

Generator specs

.gitignore

@@ -5,4 +5,5 @@ Gemfile.lock
 pkg/*
 coverage.data
 coverage/*
-.yardoc
+.yardoc
+tmp

Gemfile

@@ -1,9 +1,10 @@
 source :rubygems
 
 gem 'rake'
-gem 'rspec', '~> 2.0.1'
+gem 'rspec', '~> 2.0'
 gem 'activesupport', '~> 3.0.10'
 gem 'actionpack', "~> 3.0.10", :require => 'action_view'
+gem 'ammeter', '~> 0.1.3'
 gem 'guard'
 gem 'guard-rspec'
 gem 'launchy'  

Readme.markdown

@@ -319,7 +319,6 @@ end
   * Add YARD documentation to source
   * Add a section about contributing
 * Generators
-  * Test coverage for generators (help!)
   * Implement hook so generating a controller/scaffold generates a decorator  
   * Add generators for...
     * `draper:model`: Model + Decorator

spec/generators/draper/decorator/decorator_generator_spec.rb

@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+# Generators are not automatically loaded by Rails
+require 'generators/draper/decorator/decorator_generator'
+
+describe Draper::DecoratorGenerator do
+  # Tell the generator where to put its output (what it thinks of as Rails.root)
+  destination File.expand_path("../../../../../tmp", __FILE__)
+
+  before { prepare_destination }
+
+  describe 'no arguments' do
+    before { run_generator %w(products)  }
+
+    describe 'app/decorators/application_decorator.rb' do
+      subject { file('app/decorators/application_decorator.rb') }
+      it { should exist }
+      it { should contain "class ApplicationDecorator < Draper::Base" }
+    end
+
+    describe 'app/decorators/products_decorator.rb' do
+      subject { file('app/decorators/products_decorator.rb') }
+      it { should exist }
+      it { should contain "class ProductsDecorator < ApplicationDecorator" }
+    end
+
+  end
+end

spec/spec_helper.rb

@@ -5,4 +5,6 @@ require 'draper'
 require './spec/samples/application_helper.rb'
 Dir.glob(['./spec/samples/*.rb', './spec/support/*.rb']) do |file| 
   require file
-end
+end
+
+require 'ammeter/init'