refactor engine testing scenario

Engine is now tested standalone by leveraging a dummy rails app
Enable Guard for speedy testing
Move factories to the more standard location `spec/factories/*`
Update README with a Testing section
Rename migrations to contain datetimestamps for their version to fix migration order issues when migrating the dummy application

2 files changed, 29 insertions, 20 deletions

diff --git a/lib/refinery/blog/engine.rb b/lib/refinery/blog/engine.rb
new file mode 100644
index 0000000..ef21472
--- /dev/null
+++ b/lib/refinery/blog/engine.rb
@@ -0,0 +1,21 @@
+module Refinery
+  module Blog
+    class Engine < Rails::Engine
+      config.to_prepare do
+        require 'refinery/blog/tabs'
+      end
+
+      initializer "init plugin", :after => :set_routes_reloader do |app|
+        Refinery::Plugin.register do |plugin|
+          plugin.pathname = root
+          plugin.name = "refinerycms_blog"
+          plugin.url = app.routes.url_helpers.refinery_admin_blog_posts_path
+          plugin.menu_match = /^\/refinery\/blog\/?(posts|comments|categories)?/
+          plugin.activity = {
+            :class => Refinery::BlogPost
+          }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/refinerycms-blog.rb b/lib/refinerycms-blog.rb
index 334380e..fafedf5 100644
--- a/lib/refinerycms-blog.rb
+++ b/lib/refinerycms-blog.rb
@@ -1,10 +1,14 @@
+require 'rubygems'
+require 'bundler'
+Bundler.require
+
 require 'filters_spam'
 require File.expand_path('../generators/blog_generator', __FILE__)
 
 module Refinery
   module Blog
-    autoload :Version, File.expand_path('../refinery/blog/version', __FILE__)
-    autoload :Tab, File.expand_path("../refinery/blog/tabs", __FILE__)
+    autoload :Version, 'refinery/blog/version'
+    autoload :Tab, 'refinery/blog/tabs'
 
     class << self
       attr_accessor :root
@@ -16,23 +20,7 @@ module Refinery
         ::Refinery::Blog::Version.to_s
       end
     end
-
-    class Engine < Rails::Engine
-      config.to_prepare do
-        require File.expand_path('../refinery/blog/tabs', __FILE__)
-      end
-
-      initializer "init plugin", :after => :set_routes_reloader do |app|
-        Refinery::Plugin.register do |plugin|
-          plugin.pathname = root
-          plugin.name = "refinerycms_blog"
-          plugin.url = app.routes.url_helpers.refinery_admin_blog_posts_path
-          plugin.menu_match = /^\/refinery\/blog\/?(posts|comments|categories)?/
-          plugin.activity = {
-            :class => Refinery::BlogPost
-          }
-        end
-      end
-    end if defined?(Rails::Engine)
   end
 end
+
+require 'refinery/blog/engine' if defined?(Rails)