Fix that validates_acceptance_of still works for non-existent tables (useful...

Fix that validates_acceptance_of still works for non-existent tables (useful for bootstrapping new databases).  Closes #10474 [hasmanyjosh]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8377 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* Fix that validates_acceptance_of still works for non-existent tables (useful for bootstrapping new databases).  Closes #10474 [hasmanyjosh]
+
 * Ensure that the :uniq option for has_many :through associations retains the order.  #10463 [remvee]
 
 * Base.exists? doesn't rescue exceptions to avoid hiding SQL errors.  #10458 [Michael Klishin]

activerecord/lib/active_record/validations.rb

@@ -429,7 +429,7 @@ def validates_confirmation_of(*attr_names)
         configuration = { :message => ActiveRecord::Errors.default_error_messages[:confirmation], :on => :save }
         configuration.update(attr_names.extract_options!)
 
-        attr_accessor *(attr_names.map { |n| "#{n}_confirmation" })
+        attr_accessor(*(attr_names.map { |n| "#{n}_confirmation" }))
 
         validates_each(attr_names, configuration) do |record, attr_name, value|
           record.errors.add(attr_name, configuration[:message]) unless record.send("#{attr_name}_confirmation").nil? or value == record.send("#{attr_name}_confirmation")
@@ -462,7 +462,13 @@ def validates_acceptance_of(*attr_names)
         configuration = { :message => ActiveRecord::Errors.default_error_messages[:accepted], :on => :save, :allow_nil => true, :accept => "1" }
         configuration.update(attr_names.extract_options!)
 
-        attr_accessor *attr_names.reject { |name| column_names.include? name.to_s }
+        db_cols = begin
+          column_names
+        rescue ActiveRecord::StatementInvalid
+          []
+        end
+        names = attr_names.reject { |name| db_cols.include?(name.to_s) }
+        attr_accessor(*names)
 
         validates_each(attr_names,configuration) do |record, attr_name, value|
           record.errors.add(attr_name, configuration[:message]) unless value == configuration[:accept]

activerecord/test/validations_test.rb

@@ -301,6 +301,14 @@ def test_validates_acceptance_of_as_database_column
     assert_equal "Dan Brown", reply["author_name"]
   end
 
+  def test_validates_acceptance_of_with_non_existant_table 
+    Object.const_set :IncorporealModel, Class.new(ActiveRecord::Base) 
+ 
+    assert_nothing_raised ActiveRecord::StatementInvalid do 
+      IncorporealModel.validates_acceptance_of(:incorporeal_column) 
+    end 
+  end 
+
   def test_validate_presences
     Topic.validates_presence_of(:title, :content)