Added Base#attributes that returns a hash of all the attributes with their names as keys and clones of their objects as values #433 [atyp.de]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@386 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Added Base#attributes that returns a hash of all the attributes with their names as keys and clones of their objects as values #433 [atyp.de]
+
 * Fixed that foreign keys named the same as the association would cause stack overflow #437 [Eric Anderson]
 
 * Fixed default scope of acts_as_list from "1" to "1 = 1", so it'll work in PostgreSQL (among other places) #427 [Alexey]

activerecord/lib/active_record/base.rb

@@ -909,6 +909,18 @@ module ActiveRecord #:nodoc:
         assign_multiparameter_attributes(multi_parameter_attributes)
       end
 
+      # Returns a hash of all the attributes with their names as keys and clones of their objects as values.
+      def attributes
+        self.attribute_names.inject({}) do |attributes, name|
+          begin
+            attributes[name] = read_attribute(name).clone
+          rescue TypeError
+            attributes[name] = read_attribute(name)
+          end
+          attributes
+        end
+      end
+
       # Returns true if the specified +attribute+ has been set by the user or by a database load and is neither
       # nil nor empty? (the latter only applies to objects that responds to empty?, most notably Strings).
       def attribute_present?(attribute)

activerecord/test/base_test.rb

@@ -2,6 +2,7 @@ require 'abstract_unit'
 require 'fixtures/topic'
 require 'fixtures/reply'
 require 'fixtures/company'
+require 'fixtures/project'
 require 'fixtures/default'
 require 'fixtures/auto_id'
 require 'fixtures/column_name'
@@ -26,7 +27,7 @@ end
 class Booleantest < ActiveRecord::Base; end
 
 class BasicsTest < Test::Unit::TestCase
-  fixtures :topics, :companies
+  fixtures :topics, :companies, :projects
 
   def test_set_attributes
     topic = Topic.find(1)
@@ -100,6 +101,10 @@ class BasicsTest < Test::Unit::TestCase
     topic.content << "five"
     assert_equal(%w( one two three four five ), topic.content)
   end
+ 
+  def test_attributes_hash
+    assert_equal @projects["action_controller"].to_hash, @action_controller.attributes
+  end
   
   def test_create
     topic = Topic.new