From 81d619ea0d7e936bdf5a643c8731e4b3f3746b8e Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Mon, 17 Sep 2007 21:19:44 +0000
Subject: Associations macros accept extension blocks alongside modules. Closes
 #9346.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7504 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activerecord/CHANGELOG                           |  3 +++
 activerecord/lib/active_record/associations.rb   | 12 ++++++------
 activerecord/test/associations/extension_test.rb |  7 ++++++-
 activerecord/test/fixtures/developer.rb          | 10 ++++++++++
 4 files changed, 25 insertions(+), 7 deletions(-)

(limited to 'activerecord')

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index 3badae0ca1..df02908386 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,8 @@
 *SVN*
 
+* Associations macros accept extension blocks alongside modules.  #9346 [Josh
+Peek]
+
 * Speed up and simplify query caching.  [Jeremy Kemper]
 
 * connection.select_rows 'sql' returns an array (rows) of arrays (field values).  #2329 [Michael Schuerig]
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 8cb6bd02ac..a508a9c94d 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1165,7 +1165,7 @@ module ActiveRecord
             :extend
           )
 
-          options[:extend] = create_extension_module(association_id, extension) if block_given?
+          options[:extend] = create_extension_modules(association_id, extension, options[:extend]) if block_given?
 
           create_reflection(:has_many, association_id, options, self)
         end
@@ -1203,7 +1203,7 @@ module ActiveRecord
             :extend
           )
 
-          options[:extend] = create_extension_module(association_id, extension) if block_given?
+          options[:extend] = create_extension_modules(association_id, extension, options[:extend]) if block_given?
 
           reflection = create_reflection(:has_and_belongs_to_many, association_id, options, self)
 
@@ -1346,14 +1346,14 @@ module ActiveRecord
           sql =~ /where/i ? " AND " : "WHERE "
         end
 
-        def create_extension_module(association_id, extension)
+        def create_extension_modules(association_id, block_extension, extensions)
           extension_module_name = "#{self.to_s}#{association_id.to_s.camelize}AssociationExtension"
 
           silence_warnings do
-            Object.const_set(extension_module_name, Module.new(&extension))
+            Object.const_set(extension_module_name, Module.new(&block_extension))
           end
-          
-          extension_module_name.constantize
+
+          Array(extensions).push(extension_module_name.constantize)
         end
 
         class JoinDependency # :nodoc:
diff --git a/activerecord/test/associations/extension_test.rb b/activerecord/test/associations/extension_test.rb
index e80a2b9fb9..67a9ee02ad 100644
--- a/activerecord/test/associations/extension_test.rb
+++ b/activerecord/test/associations/extension_test.rb
@@ -23,7 +23,12 @@ class AssociationsExtensionsTest < Test::Unit::TestCase
     assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_twice.find_most_recent
     assert_equal projects(:active_record), developers(:david).projects_extended_by_name_twice.find_least_recent
   end
-  
+
+  def test_named_extension_and_block_on_habtm
+    assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_and_block.find_most_recent
+    assert_equal projects(:active_record), developers(:david).projects_extended_by_name_and_block.find_least_recent
+  end
+
   def test_marshalling_extensions
     david = developers(:david)
     assert_equal projects(:action_controller), david.projects.find_most_recent
diff --git a/activerecord/test/fixtures/developer.rb b/activerecord/test/fixtures/developer.rb
index 75fb307b19..c868cddecd 100644
--- a/activerecord/test/fixtures/developer.rb
+++ b/activerecord/test/fixtures/developer.rb
@@ -29,6 +29,16 @@ class Developer < ActiveRecord::Base
       :association_foreign_key => "project_id",
       :extend => [DeveloperProjectsAssociationExtension, DeveloperProjectsAssociationExtension2]
 
+  has_and_belongs_to_many :projects_extended_by_name_and_block, 
+      :class_name => "Project", 
+      :join_table => "developers_projects", 
+      :association_foreign_key => "project_id",
+      :extend => DeveloperProjectsAssociationExtension do
+        def find_least_recent
+          find(:first, :order => "id ASC")
+        end
+      end
+
   has_and_belongs_to_many :special_projects, :join_table => 'developers_projects', :association_foreign_key => 'project_id'
 
   validates_inclusion_of :salary, :in => 50000..200000
-- 
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