Merge commit 'mainstream/master'

Conflicts:
	actionpack/lib/action_controller/base/mime_responds.rb

26 files changed, 238 insertions, 81 deletions

diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG
index d58b44144b..411b640c9e 100644
--- a/activerecord/CHANGELOG
+++ b/activerecord/CHANGELOG
@@ -1,5 +1,7 @@
 *Edge*
 
+* Implement #many? for NamedScope and AssociationCollection using #size. #1500 [Chris Kampmeier]
+
 * Added :touch option to belongs_to associations that will touch the parent record when the current record is saved or destroyed [DHH]
 
 * Added ActiveRecord::Base#touch to update the updated_at/on attributes (or another specified timestamp) with the current time [DHH]
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 41c0394763..eb80f5e8d2 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1668,7 +1668,7 @@ module ActiveRecord
 
         def tables_in_string(string)
           return [] if string.blank?
-          string.scan(/([\.a-zA-Z_]+).?\./).flatten
+          string.scan(/([a-zA-Z_][\.\w]+).?\./).flatten
         end
 
         def tables_in_hash(hash)
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb
index 1e2313ab62..c3e5bd8575 100644
--- a/activerecord/lib/active_record/associations/association_collection.rb
+++ b/activerecord/lib/active_record/associations/association_collection.rb
@@ -302,6 +302,15 @@ module ActiveRecord
         end
       end
 
+      # Returns true if the collection has more than 1 record. Equivalent to collection.size > 1.
+      def many?
+        if block_given?
+          method_missing(:many?) { |*block_args| yield(*block_args) }
+        else
+          size > 1
+        end
+      end
+
       def uniq(collection = self)
         seen = Set.new
         collection.inject([]) do |kept, record|
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index 2dca84b911..e8dbae9011 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -17,6 +17,13 @@ module ActiveRecord
         end
       end
 
+      def destroy(*records)
+        transaction do
+          delete_records(flatten_deeper(records))
+          super
+        end
+      end
+
       # Returns the size of the collection by executing a SELECT COUNT(*) query if the collection hasn't been loaded and
       # calling collection.size if it has. If it's more likely than not that the collection does have a size larger than zero,
       # and you need to fetch that collection afterwards, it'll take one fewer SELECT query if you use #length.
diff --git a/activerecord/lib/active_record/associations/has_one_through_association.rb b/activerecord/lib/active_record/associations/has_one_through_association.rb
index 8073ebaf9f..d93c8e7852 100644
--- a/activerecord/lib/active_record/associations/has_one_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_through_association.rb
@@ -1,31 +1,31 @@
 module ActiveRecord
   module Associations
     class HasOneThroughAssociation < HasManyThroughAssociation
-      
+
       def create_through_record(new_value) #nodoc:
         klass = @reflection.through_reflection.klass
 
         current_object = @owner.send(@reflection.through_reflection.name)
-        
+
         if current_object
-          current_object.update_attributes(construct_join_attributes(new_value))
+          new_value ? current_object.update_attributes(construct_join_attributes(new_value)) : current_object.destroy
         else
-          @owner.send(@reflection.through_reflection.name,  klass.send(:create, construct_join_attributes(new_value)))
+          @owner.send(@reflection.through_reflection.name,  klass.send(:create, construct_join_attributes(new_value))) if new_value
         end
       end
-      
+
     private
       def find(*args)
         super(args.merge(:limit => 1))
       end
-    
+
       def find_target
         super.first
       end
 
       def reset_target!
         @target = nil
-      end        
-    end        
+      end
+    end
   end
 end
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 9014bfdfa6..36a88494f2 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1,6 +1,7 @@
 require 'yaml'
 require 'set'
 require 'active_support/dependencies'
+require 'active_support/time'
 require 'active_support/core_ext/class/attribute_accessors'
 require 'active_support/core_ext/class/delegating_attributes'
 require 'active_support/core_ext/class/inheritable_attributes'
@@ -9,7 +10,7 @@ require 'active_support/core_ext/hash/deep_merge'
 require 'active_support/core_ext/hash/indifferent_access'
 require 'active_support/core_ext/hash/slice'
 require 'active_support/core_ext/string/behavior'
-require 'active_support/core/time'
+require 'active_support/core_ext/symbol'
 
 module ActiveRecord #:nodoc:
   # Generic Active Record exception class.
@@ -1541,12 +1542,12 @@ module ActiveRecord #:nodoc:
         end
 
         def reverse_sql_order(order_query)
-          reversed_query = order_query.to_s.split(/,/).each { |s|
+          order_query.to_s.split(/,/).each { |s|
             if s.match(/\s(asc|ASC)$/)
               s.gsub!(/\s(asc|ASC)$/, ' DESC')
             elsif s.match(/\s(desc|DESC)$/)
               s.gsub!(/\s(desc|DESC)$/, ' ASC')
-            elsif !s.match(/\s(asc|ASC|desc|DESC)$/)
+            else
               s.concat(' DESC')
             end
           }.join(',')
@@ -2176,7 +2177,7 @@ module ActiveRecord #:nodoc:
         #     default_scope :order => 'last_name, first_name'
         #   end
         def default_scope(options = {})
-          self.default_scoping << { :find => options, :create => (options.is_a?(Hash) && options.has_key?(:conditions)) ? options[:conditions] : {} }
+          self.default_scoping << { :find => options, :create => options[:conditions].is_a?(Hash) ? options[:conditions] : {} }
         end
 
         # Test whether the given method and optional key are scoped.
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index cc3c4ece47..3eb547f713 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -1,6 +1,7 @@
 require 'erb'
 require 'yaml'
 require 'csv'
+require 'zlib'
 require 'active_support/dependencies'
 require 'active_support/test_case'
 require 'active_support/core_ext/logger'
@@ -434,6 +435,7 @@ end
 # Any fixture labeled "DEFAULTS" is safely ignored.
 
 class Fixtures < (RUBY_VERSION < '1.9' ? YAML::Omap : Hash)
+  MAX_ID = 2 ** 31 - 1
   DEFAULT_FILTER_RE = /\.ya?ml$/
 
   @@all_cached_fixtures = {}
@@ -525,11 +527,10 @@ class Fixtures < (RUBY_VERSION < '1.9' ? YAML::Omap : Hash)
     cached_fixtures(connection, table_names)
   end
 
-  # Returns a consistent identifier for +label+. This will always
-  # be a positive integer, and will always be the same for a given
-  # label, assuming the same OS, platform, and version of Ruby.
+  # Returns a consistent, platform-independent identifier for +label+.
+  # Identifiers are positive integers less than 2^32.
   def self.identify(label)
-    label.to_s.hash.abs
+    Zlib.crc32(label.to_s) % MAX_ID
   end
 
   attr_reader :table_name, :name
diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb
index 07f98dc743..e7151a3d47 100644
--- a/activerecord/lib/active_record/named_scope.rb
+++ b/activerecord/lib/active_record/named_scope.rb
@@ -109,7 +109,7 @@ module ActiveRecord
 
     class Scope
       attr_reader :proxy_scope, :proxy_options, :current_scoped_methods_when_defined
-      NON_DELEGATE_METHODS = %w(nil? send object_id class extend find size count sum average maximum minimum paginate first last empty? any? respond_to?).to_set
+      NON_DELEGATE_METHODS = %w(nil? send object_id class extend find size count sum average maximum minimum paginate first last empty? any? many? respond_to?).to_set
       [].methods.each do |m|
         unless m =~ /^__/ || NON_DELEGATE_METHODS.include?(m.to_s)
           delegate m, :to => :proxy_found
@@ -168,6 +168,15 @@ module ActiveRecord
         end
       end
 
+      # Returns true if the named scope has more than 1 matching record.
+      def many?
+        if block_given?
+          proxy_found.many? { |*block_args| yield(*block_args) }
+        else
+          size > 1
+        end
+      end
+
       protected
       def proxy_found
         @found || load_found
diff --git a/activerecord/lib/active_record/session_store.rb b/activerecord/lib/active_record/session_store.rb
index 21471da419..9dda3361d8 100644
--- a/activerecord/lib/active_record/session_store.rb
+++ b/activerecord/lib/active_record/session_store.rb
@@ -295,7 +295,7 @@ module ActiveRecord
 
       def set_session(env, sid, session_data)
         Base.silence do
-          record = env[SESSION_RECORD_KEY] ||= find_session(sid)
+          record = get_session_model(env, sid)
           record.data = session_data
           return false unless record.save
 
@@ -309,6 +309,14 @@ module ActiveRecord
 
         return true
       end
+      
+      def get_session_model(env, sid)
+        if env[ENV_SESSION_OPTIONS_KEY][:id].nil?
+          env[SESSION_RECORD_KEY] = find_session(sid)
+        else
+          env[SESSION_RECORD_KEY] ||= find_session(sid)
+        end
+      end
 
       def find_session(id)
         @@session_class.find_by_session_id(id) ||
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb
index 236c9f36de..0532a06bf2 100644
--- a/activerecord/lib/active_record/validations.rb
+++ b/activerecord/lib/active_record/validations.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/integer/even_odd'
+
 module ActiveRecord
   # Raised by <tt>save!</tt> and <tt>create!</tt> when the record is invalid.  Use the
   # +record+ method to retrieve the record which did not validate.
diff --git a/activerecord/test/cases/aaa_create_tables_test.rb b/activerecord/test/cases/aaa_create_tables_test.rb
deleted file mode 100644
index 3911afac49..0000000000
--- a/activerecord/test/cases/aaa_create_tables_test.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-# The filename begins with "aaa" to ensure this is the first test.
-require "cases/helper"
-
-class AAACreateTablesTest < ActiveRecord::TestCase
-  self.use_transactional_fixtures = false
-
-  def test_load_schema
-    eval(File.read(SCHEMA_ROOT + "/schema.rb"))
-    if File.exists?(adapter_specific_schema_file)
-      eval(File.read(adapter_specific_schema_file))
-    end
-    assert true
-  end
-
-  def test_drop_and_create_courses_table
-    eval(File.read(SCHEMA_ROOT + "/schema2.rb"))
-    assert true
-  end
-
-  private
-  def adapter_specific_schema_file
-    SCHEMA_ROOT + '/' + ActiveRecord::Base.connection.adapter_name.downcase + '_specific_schema.rb'
-  end
-end
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb
index d23f86b700..4cf49be668 100644
--- a/activerecord/test/cases/associations/eager_test.rb
+++ b/activerecord/test/cases/associations/eager_test.rb
@@ -589,6 +589,10 @@ class EagerAssociationTest < ActiveRecord::TestCase
     assert_equal posts(:sti_post_and_comments, :sti_comments), Post.find(:all, :include => [:author, :comments], :conditions => "authors.name = 'David'", :order => 'UPPER(posts.title) DESC, posts.id', :limit => 2, :offset => 1)
   end
 
+  def test_limited_eager_with_numeric_in_association
+    assert_equal people(:david, :susan), Person.find(:all, :include => [:readers, :primary_contact, :number1_fan], :conditions => "number1_fans_people.first_name like 'M%'", :order => 'people.id', :limit => 2, :offset => 0)
+  end
+
   def test_preload_with_interpolation
     assert_equal [comments(:greetings)], Post.find(posts(:welcome).id, :include => :comments_with_interpolated_conditions).comments_with_interpolated_conditions
   end
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 5df74fcdcd..d99424f9cd 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -1023,6 +1023,45 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert firm.clients.loaded?
   end
 
+  def test_calling_many_should_count_instead_of_loading_association
+    firm = companies(:first_firm)
+    assert_queries(1) do
+      firm.clients.many?  # use count query
+    end
+    assert !firm.clients.loaded?
+  end
+
+  def test_calling_many_on_loaded_association_should_not_use_query
+    firm = companies(:first_firm)
+    firm.clients.collect  # force load
+    assert_no_queries { assert firm.clients.many? }
+  end
+
+  def test_calling_many_should_defer_to_collection_if_using_a_block
+    firm = companies(:first_firm)
+    assert_queries(1) do
+      firm.clients.expects(:size).never
+      firm.clients.many? { true }
+    end
+    assert firm.clients.loaded?
+  end
+
+  def test_calling_many_should_return_false_if_none_or_one
+    firm = companies(:another_firm)
+    assert !firm.clients_like_ms.many?
+    assert_equal 0, firm.clients_like_ms.size
+
+    firm = companies(:first_firm)
+    assert !firm.limited_clients.many?
+    assert_equal 1, firm.limited_clients.size
+  end
+
+  def test_calling_many_should_return_true_if_more_than_one
+    firm = companies(:first_firm)
+    assert firm.clients.many?
+    assert_equal 2, firm.clients.size
+  end
+
   def test_joins_with_namespaced_model_should_use_correct_type
     old = ActiveRecord::Base.store_full_sti_class
     ActiveRecord::Base.store_full_sti_class = true
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index 97efca7891..4254badef2 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -13,7 +13,7 @@ require 'models/pet'
 require 'models/toy'
 
 class HasManyThroughAssociationsTest < ActiveRecord::TestCase
-  fixtures :posts, :readers, :people, :comments, :authors, :owners, :pets, :toys
+  fixtures :posts, :readers, :people, :comments, :authors, :owners, :pets, :toys, :jobs, :references
 
   def test_associate_existing
     assert_queries(2) { posts(:thinking);people(:david) }
@@ -23,49 +23,49 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert_queries(1) do
       posts(:thinking).people << people(:david)
     end
-    
+
     assert_queries(1) do
       assert posts(:thinking).people.include?(people(:david))
     end
-    
+
     assert posts(:thinking).reload.people(true).include?(people(:david))
   end
 
   def test_associating_new
     assert_queries(1) { posts(:thinking) }
     new_person = nil # so block binding catches it
-    
+
     assert_queries(0) do
       new_person = Person.new :first_name => 'bob'
     end
-    
+
     # Associating new records always saves them
     # Thus, 1 query for the new person record, 1 query for the new join table record
     assert_queries(2) do
       posts(:thinking).people << new_person
     end
-    
+
     assert_queries(1) do
       assert posts(:thinking).people.include?(new_person)
     end
-    
+
     assert posts(:thinking).reload.people(true).include?(new_person)
   end
 
   def test_associate_new_by_building
     assert_queries(1) { posts(:thinking) }
-    
+
     assert_queries(0) do
       posts(:thinking).people.build(:first_name=>"Bob")
       posts(:thinking).people.new(:first_name=>"Ted")
     end
-    
+
     # Should only need to load the association once
     assert_queries(1) do
       assert posts(:thinking).people.collect(&:first_name).include?("Bob")
       assert posts(:thinking).people.collect(&:first_name).include?("Ted")
     end
-    
+
     # 2 queries for each new record (1 to save the record itself, 1 for the join model)
     #    * 2 new records = 4
     # + 1 query to save the actual post = 5
@@ -73,27 +73,27 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
       posts(:thinking).body += '-changed'
       posts(:thinking).save
     end
-    
+
     assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Bob")
     assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Ted")
   end
 
   def test_delete_association
     assert_queries(2){posts(:welcome);people(:michael); }
-    
+
     assert_queries(1) do
       posts(:welcome).people.delete(people(:michael))
     end
-    
+
     assert_queries(1) do
       assert posts(:welcome).people.empty?
     end
-    
+
     assert posts(:welcome).reload.people(true).empty?
   end
 
   def test_destroy_association
-    assert_difference "Person.count", -1 do
+    assert_difference ["Person.count", "Reader.count"], -1 do
       posts(:welcome).people.destroy(people(:michael))
     end
 
@@ -102,7 +102,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_destroy_all
-    assert_difference "Person.count", -1 do
+    assert_difference ["Person.count", "Reader.count"], -1 do
       posts(:welcome).people.destroy_all
     end
 
@@ -110,38 +110,44 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert posts(:welcome).people(true).empty?
   end
 
+  def test_should_raise_exception_for_destroying_mismatching_records
+    assert_no_difference ["Person.count", "Reader.count"] do
+      assert_raise(ActiveRecord::AssociationTypeMismatch) { posts(:welcome).people.destroy(posts(:thinking)) }
+    end
+  end
+
   def test_replace_association
     assert_queries(4){posts(:welcome);people(:david);people(:michael); posts(:welcome).people(true)}
-    
+
     # 1 query to delete the existing reader (michael)
     # 1 query to associate the new reader (david)
     assert_queries(2) do
       posts(:welcome).people = [people(:david)]
     end
-    
+
     assert_queries(0){
       assert posts(:welcome).people.include?(people(:david))
       assert !posts(:welcome).people.include?(people(:michael))
     }
-    
+
     assert posts(:welcome).reload.people(true).include?(people(:david))
     assert !posts(:welcome).reload.people(true).include?(people(:michael))
   end
 
   def test_associate_with_create
     assert_queries(1) { posts(:thinking) }
-    
+
     # 1 query for the new record, 1 for the join table record
     # No need to update the actual collection yet!
     assert_queries(2) do
       posts(:thinking).people.create(:first_name=>"Jeb")
     end
-    
+
     # *Now* we actually need the collection so it's loaded
     assert_queries(1) do
       assert posts(:thinking).people.collect(&:first_name).include?("Jeb")
     end
-    
+
     assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Jeb")
   end
 
@@ -159,15 +165,15 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
 
   def test_clear_associations
     assert_queries(2) { posts(:welcome);posts(:welcome).people(true) }
-    
+
     assert_queries(1) do
       posts(:welcome).people.clear
     end
-    
+
     assert_queries(0) do
       assert posts(:welcome).people.empty?
     end
-    
+
     assert posts(:welcome).reload.people(true).empty?
   end
 
diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb
index 12c598751b..ab6e6d20fc 100644
--- a/activerecord/test/cases/associations/has_one_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb
@@ -43,7 +43,14 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase
       @member.reload      
     end
   end
-  
+
+  def test_set_record_to_nil_should_delete_association
+    @member.club = nil
+    @member.reload
+    assert_equal nil, @member.current_membership
+    assert_nil @member.club
+  end
+
   def test_has_one_through_polymorphic
     assert_equal clubs(:moustache_club), @member.sponsor_club
   end
diff --git a/activerecord/test/cases/autosave_association_test.rb b/activerecord/test/cases/autosave_association_test.rb
index 919b6f857c..f95b2c0079 100644
--- a/activerecord/test/cases/autosave_association_test.rb
+++ b/activerecord/test/cases/autosave_association_test.rb
@@ -12,6 +12,7 @@ require 'models/reader'
 require 'models/ship'
 require 'models/ship_part'
 require 'models/treasure'
+require 'models/company'
 
 class TestAutosaveAssociationsInGeneral < ActiveRecord::TestCase
   def test_autosave_should_be_a_valid_option_for_has_one
@@ -38,6 +39,8 @@ class TestAutosaveAssociationsInGeneral < ActiveRecord::TestCase
 end
 
 class TestDefaultAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase
+  fixtures :companies, :accounts
+
   def test_should_save_parent_but_not_invalid_child
     firm = Firm.new(:name => 'GlobalMegaCorp')
     assert firm.valid?
@@ -137,6 +140,8 @@ class TestDefaultAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCas
 end
 
 class TestDefaultAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase
+  fixtures :companies
+
   def test_should_save_parent_but_not_invalid_child
     client = Client.new(:name => 'Joe (the Plumber)')
     assert client.valid?
@@ -920,4 +925,4 @@ class TestAutosaveAssociationOnAHasAndBelongsToManyAssociation < ActiveRecord::T
   end
 
   include AutosaveAssociationOnACollectionAssociationTests
-end
\ No newline at end of file
+end
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb
index d0d7094e30..037b67ec84 100644
--- a/activerecord/test/cases/finder_test.rb
+++ b/activerecord/test/cases/finder_test.rb
@@ -7,10 +7,10 @@ require 'models/company'
 require 'models/topic'
 require 'models/reply'
 require 'models/entrant'
+require 'models/project'
 require 'models/developer'
 require 'models/customer'
 require 'models/job'
-require 'models/categorization'
 
 class DynamicFinderMatchTest < ActiveRecord::TestCase
   def test_find_no_match
@@ -64,7 +64,7 @@ class DynamicFinderMatchTest < ActiveRecord::TestCase
 end
 
 class FinderTest < ActiveRecord::TestCase
-  fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers
+  fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers, :categories, :categorizations
 
   def test_find
     assert_equal(topics(:first).title, Topic.find(1).title)
diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb
index 252bf4ff61..b07d4f3521 100644
--- a/activerecord/test/cases/fixtures_test.rb
+++ b/activerecord/test/cases/fixtures_test.rb
@@ -518,6 +518,11 @@ class FoxyFixturesTest < ActiveRecord::TestCase
     assert_equal(Fixtures.identify(:foo), Fixtures.identify(:foo))
   end
 
+  def test_identifies_consistently
+    assert_equal 1281023246, Fixtures.identify(:ruby)
+    assert_equal 2140105598, Fixtures.identify(:sapphire_2)
+  end
+
   TIMESTAMP_COLUMNS = %w(created_at created_on updated_at updated_on)
 
   def test_populates_timestamp_columns
diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb
index 05e92433cd..f82784836e 100644
--- a/activerecord/test/cases/helper.rb
+++ b/activerecord/test/cases/helper.rb
@@ -5,6 +5,7 @@ require 'config'
 
 require 'rubygems'
 require 'test/unit'
+require 'stringio'
 gem 'mocha', '>= 0.9.5'
 require 'mocha'
 
@@ -72,3 +73,20 @@ class ActiveSupport::TestCase
     Fixtures.create_fixtures(ActiveSupport::TestCase.fixture_path, table_names, {}, &block)
   end
 end
+
+# silence verbose schema loading
+original_stdout = $stdout
+$stdout = StringIO.new
+
+begin
+  adapter_name = ActiveRecord::Base.connection.adapter_name.downcase
+  adapter_specific_schema_file = SCHEMA_ROOT + "/#{adapter_name}_specific_schema.rb"
+
+  load SCHEMA_ROOT + "/schema.rb"
+
+  if File.exists?(adapter_specific_schema_file)
+    load adapter_specific_schema_file
+  end
+ensure
+  $stdout = original_stdout
+end
diff --git a/activerecord/test/cases/method_scoping_test.rb b/activerecord/test/cases/method_scoping_test.rb
index c479859ee0..d8246f49b8 100644
--- a/activerecord/test/cases/method_scoping_test.rb
+++ b/activerecord/test/cases/method_scoping_test.rb
@@ -591,6 +591,16 @@ class DefaultScopingTest < ActiveRecord::TestCase
     assert_equal expected, received
   end
 
+  def test_default_scope_with_conditions_string
+    assert_equal Developer.find_all_by_name('David').map(&:id).sort, DeveloperCalledDavid.all.map(&:id).sort
+    assert_equal nil, DeveloperCalledDavid.create!.name
+  end
+
+  def test_default_scope_with_conditions_hash
+    assert_equal Developer.find_all_by_name('Jamis').map(&:id).sort, DeveloperCalledJamis.all.map(&:id).sort
+    assert_equal 'Jamis', DeveloperCalledJamis.create!.name
+  end
+
   def test_default_scoping_with_threads
     scope = [{ :create => {}, :find => { :order => 'salary DESC' } }]
 
diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb
index 7dcea6d42e..92fe48cb5a 100644
--- a/activerecord/test/cases/named_scope_test.rb
+++ b/activerecord/test/cases/named_scope_test.rb
@@ -235,6 +235,40 @@ class NamedScopeTest < ActiveRecord::TestCase
     assert_no_queries { assert topics.any? }
   end
 
+  def test_many_should_not_load_results
+    topics = Topic.base
+    assert_queries(2) do
+      topics.many?   # use count query
+      topics.collect # force load
+      topics.many?   # use loaded (no query)
+    end
+  end
+
+  def test_many_should_call_proxy_found_if_using_a_block
+    topics = Topic.base
+    assert_queries(1) do
+      topics.expects(:size).never
+      topics.many? { true }
+    end
+  end
+
+  def test_many_should_not_fire_query_if_named_scope_loaded
+    topics = Topic.base
+    topics.collect # force load
+    assert_no_queries { assert topics.many? }
+  end
+
+  def test_many_should_return_false_if_none_or_one
+    topics = Topic.base.scoped(:conditions => {:id => 0})
+    assert !topics.many?
+    topics = Topic.base.scoped(:conditions => {:id => 1})
+    assert !topics.many?
+  end
+
+  def test_many_should_return_true_if_more_than_one
+    assert Topic.base.many?
+  end
+
   def test_should_build_with_proxy_options
     topic = Topic.approved.build({})
     assert topic.approved
@@ -339,7 +373,7 @@ class NamedScopeTest < ActiveRecord::TestCase
   end
 end
 
-class DynamicScopeMatchTest < ActiveRecord::TestCase  
+class DynamicScopeMatchTest < ActiveRecord::TestCase
   def test_scoped_by_no_match
     assert_nil ActiveRecord::DynamicScopeMatch.match("not_scoped_at_all")
   end
@@ -353,6 +387,8 @@ class DynamicScopeMatchTest < ActiveRecord::TestCase
 end
 
 class DynamicScopeTest < ActiveRecord::TestCase
+  fixtures :posts
+
   def test_dynamic_scope
     assert_equal Post.scoped_by_author_id(1).find(1), Post.find(1)
     assert_equal Post.scoped_by_author_id_and_title(1, "Welcome to the weblog").first, Post.find(:first, :conditions => { :author_id => 1, :title => "Welcome to the weblog"})
diff --git a/activerecord/test/fixtures/people.yml b/activerecord/test/fixtures/people.yml
index 3babb1fe59..123673a2af 100644
--- a/activerecord/test/fixtures/people.yml
+++ b/activerecord/test/fixtures/people.yml
@@ -2,14 +2,17 @@ michael:
   id: 1
   first_name: Michael
   primary_contact_id: 2
+  number1_fan_id: 3
   gender: M
 david:
   id: 2
   first_name: David
   primary_contact_id: 3
+  number1_fan_id: 1
   gender: M
 susan:
   id: 3
   first_name: Susan
   primary_contact_id: 2
-  gender: F
\ No newline at end of file
+  number1_fan_id: 1
+  gender: F
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 92039a4f54..058970336b 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -89,3 +89,13 @@ class DeveloperOrderedBySalary < ActiveRecord::Base
     end
   end
 end
+
+class DeveloperCalledDavid < ActiveRecord::Base
+  self.table_name = 'developers'
+  default_scope :conditions => "name = 'David'"
+end
+
+class DeveloperCalledJamis < ActiveRecord::Base
+  self.table_name = 'developers'
+  default_scope :conditions => { :name => 'Jamis' }
+end
diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb
index ec2f684a6e..57fa6418f1 100644
--- a/activerecord/test/models/person.rb
+++ b/activerecord/test/models/person.rb
@@ -10,6 +10,7 @@ class Person < ActiveRecord::Base
 
   belongs_to :primary_contact, :class_name => 'Person'
   has_many :agents, :class_name => 'Person', :foreign_key => 'primary_contact_id'
+  belongs_to :number1_fan, :class_name => 'Person'
 
   named_scope :males, :conditions => { :gender => 'M' }
   named_scope :females, :conditions => { :gender => 'F' }
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index a776cd974b..6e8813d8ab 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -1,4 +1,3 @@
-
 ActiveRecord::Schema.define do
   def except(adapter_names_to_exclude)
     unless [adapter_names_to_exclude].flatten.include?(adapter_name)
@@ -325,6 +324,7 @@ ActiveRecord::Schema.define do
     t.string     :first_name, :null => false
     t.references :primary_contact
     t.string     :gender, :limit => 1
+    t.references :number1_fan
     t.integer    :lock_version, :null => false, :default => 0
   end
 
@@ -500,3 +500,7 @@ ActiveRecord::Schema.define do
     execute "ALTER TABLE fk_test_has_fk ADD CONSTRAINT fk_name FOREIGN KEY (#{quote_column_name 'fk_id'}) REFERENCES #{quote_table_name 'fk_test_has_pk'} (#{quote_column_name 'id'})"
   end
 end
+
+Course.connection.create_table :courses, :force => true do |t|
+  t.column :name, :string, :null => false
+end
diff --git a/activerecord/test/schema/schema2.rb b/activerecord/test/schema/schema2.rb
deleted file mode 100644
index 8527f7ba8f..0000000000
--- a/activerecord/test/schema/schema2.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-ActiveRecord::Schema.define do
-
-  Course.connection.create_table :courses, :force => true do |t|
-    t.column :name, :string, :null => false
-  end
-end