From 1dff403b2d10099b5b1e15ade9cf2b8f032b62c7 Mon Sep 17 00:00:00 2001
From: Jan Xie <jan.h.xie@gmail.com>
Date: Wed, 5 Jan 2011 14:28:04 +0800
Subject: [PATCH] test scope not changed in associated collection methods

---
 .../associations/has_many_associations_test.rb     |    6 ++++++
 activerecord/test/models/brand.rb                  |   15 +++++++++++++++
 activerecord/test/schema/schema.rb                 |    5 +++++
 3 files changed, 26 insertions(+), 0 deletions(-)
 create mode 100644 activerecord/test/models/brand.rb

diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 2b7ad36..f3789d1 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -15,6 +15,7 @@ require 'models/invoice'
 require 'models/line_item'
 require 'models/car'
 require 'models/bulb'
+require 'models/brand'
 
 class HasManyAssociationsTestForCountWithFinderSql < ActiveRecord::TestCase
   class Invoice < ActiveRecord::Base
@@ -1314,4 +1315,9 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert_equal reply.id, first.id
     assert_equal true, first.approved?
   end
+
+  def test_associated_collection_class_scope_is_not_affected_in_collection_method
+    b = Brand.create!
+    b.children.create!
+  end
 end
diff --git a/activerecord/test/models/brand.rb b/activerecord/test/models/brand.rb
new file mode 100644
index 0000000..fbc3522
--- /dev/null
+++ b/activerecord/test/models/brand.rb
@@ -0,0 +1,15 @@
+class Brand < ActiveRecord::Base
+  belongs_to :parent, :class_name => 'Brand'
+  has_many :children, :class_name => 'Brand', :foreign_key => :parent_id
+
+  before_validation :find_parent_and_do_something
+
+  private
+
+    def find_parent_and_do_something
+      if self.parent_id
+        Brand.find(parent_id) # and do sth.
+      end
+    end
+
+end
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index 7f366b2..8ebef81 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -82,6 +82,11 @@ ActiveRecord::Schema.define do
     t.boolean :value
   end
 
+  create_table :brands, :force => true do |t|
+    t.string :name
+    t.integer :parent_id
+  end
+
   create_table :bulbs, :force => true do |t|
     t.integer :car_id
     t.string  :name
-- 
1.7.3.4