Adding tests and rdoc

Gemfile

@@ -13,3 +13,7 @@ group :development do
   gem "jeweler", "~> 1.6.4"
   gem "rcov", ">= 0"
 end
+
+group :testing do
+	gem 'sqlite3'
+end

Gemfile.lock

@@ -32,6 +32,7 @@ GEM
     rspec-expectations (2.3.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.3.0)
+    sqlite3 (1.3.4)
     tzinfo (0.3.30)
 
 PLATFORMS
@@ -44,3 +45,4 @@ DEPENDENCIES
   jeweler (~> 1.6.4)
   rcov
   rspec (~> 2.3.0)
+  sqlite3

README.rdoc

@@ -1,6 +1,20 @@
 = activerecord_clone
 
-Description goes here.
+Handles a simple task of cloning all attributes of a AR object
+Default behaviour is to not clone the foreign_keys.
+
+Possible options is:
+:only => [] # only clone these attributes
+:exclude => [] # Exlude these attributes, default is :id
+:skip_relations => true|false #default is true
+
+Can be configured either on a model layer using
+
+class MyModel < ActiveRecord::Base
+can_clone
+end
+
+Or can be configured upon the call to clone_ar.
 
 == Contributing to activerecord_clone
 
@@ -10,10 +24,4 @@ Description goes here.
 * Start a feature/bugfix branch
 * Commit and push until you are happy with your contribution
 * Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
-* Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.
-
-== Copyright
-
-Copyright (c) 2011 science. See LICENSE.txt for
-further details.
-
+* Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.

lib/active_record/clone.rb

@@ -1,4 +1,25 @@
+require 'active_support'
+require 'active_record'
+
 module ActiveRecord
+  # == Active Model Clone
+  # 
+  # Handles a simple task of cloning all attributes of a AR object
+  # Default behaviour is to not clone the foreign_keys.
+  #
+  # Possible options is:
+  # :only => [] # only clone these attributes
+  # :exclude => [] # Exlude these attributes, default is :id
+  # :skip_relations => true|false #default is true
+  #
+  # Can be configured either on a model layer using
+  #
+  # class MyModel < ActiveRecord::Base
+  # can_clone
+  # end
+  #
+  # Or can be configured upon the call to clone_ar.
+
   module Clone
     extend ActiveSupport::Concern
 
@@ -10,15 +31,16 @@ def can_clone(options={})
       end
 
       private
-
+      # :nodoc
       def foreing_keys
         self.reflect_on_all_associations.map { |assoc| assoc.association_foreign_key }
       end
 
+      # :nodoc
       def default_options
         {
           :skip_relations => true,
-          :excluded => []
+          :excluded => [:id]
         }
       end
 
@@ -28,13 +50,13 @@ def default_options
     module InstanceMethods
 
       def clone_ar(options={})
-        options = Account.instance_variable_get(:@options).merge(options)
+        options = (self.instance_variable_get(:@options) ? self.instance_variable_get(:@options) : self.class.send(:default_options)).merge(options)
         attrs = []
         if options[:only] and options[:only].is_a? Array
-          attrs = self.attributes.reject {|item| options[:only].include? item}
+          attrs = self.attribute_names.reject {|item| options[:only].include? item}
         else
           excluded = options[:excluded] + (options[:skip_relations] ? self.class.send(:foreing_keys) : [])
-          attrs = self.attribute_names
+          attrs = self.attribute_names.reject { |item| excluded.include? item}
         end
 
         newObj = self.class.new

spec/activerecord_clone_spec.rb

@@ -1,7 +1,18 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
 describe "ActiverecordClone" do
-  it "fails" do
-    fail "hey buddy, you should probably rename this file and start specing for real"
+  context "clone_ar" do
+    it "clone_ar no options" do
+      post = Post.first
+      clone = post.clone_ar
+      clone.text.should include("Post!")
+    end
+    it "clone_ar exclude text" do
+      post = Post.first
+      clone = post.clone_ar :excluded => [:text]
+      clone.text == nil
+    end
+
   end
-end
+
+end

spec/spec_helper.rb

@@ -2,10 +2,10 @@
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 require 'rspec'
 require 'activerecord_clone'
-
+ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => File.dirname(__FILE__) + "/ar_clone_test.sqlite3")
 # Requires supporting files with custom matchers and macros, etc,
 # in ./support/ and its subdirectories.
-Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f}
+Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].reverse.each {|f| require f}
 
 RSpec.configure do |config|
 

spec/support/data.rb

@@ -0,0 +1 @@
+Post.create(:text => "Post!")

spec/support/models.rb

@@ -0,0 +1,3 @@
+class Post < ActiveRecord::Base
+
+end

spec/support/schema.rb

@@ -0,0 +1,8 @@
+ActiveRecord::Schema.define do
+  self.verbose = false
+
+  create_table :posts, :force => true do |t|
+    t.string :text
+    t.timestamps
+  end
+end