7 files changed, 43 insertions, 5 deletions
diff --git a/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb b/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
index ec69a36174..614be8760a 100644
--- a/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
+++ b/activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb
@@ -157,7 +157,6 @@ module ActiveRecord
         binary = DualEncoding.new :name => 'いただきます！', :data => str
         binary.save!
         assert_equal str, binary.data
-
       ensure
         if "<3".respond_to?(:encode)
           DualEncoding.connection.drop_table('dual_encodings')
@@ -167,8 +166,9 @@ module ActiveRecord
       def test_type_cast_should_not_mutate_encoding
         return skip('only test encoding on 1.9') unless "<3".encoding_aware?
 
-        name  = 'hello'.force_encoding(Encoding::ASCII_8BIT)
-        owner = Owner.create(:name => name)
+        name = 'hello'.force_encoding(Encoding::ASCII_8BIT)
+        Owner.create(:name => name)
+
         assert_equal Encoding::ASCII_8BIT, name.encoding
       end
 
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb
index 08831a42ba..31aa3788c7 100644
--- a/activerecord/test/cases/associations/has_one_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_associations_test.rb
@@ -173,6 +173,12 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
     assert_equal account, firm.account
   end
 
+  def test_build_association_dont_create_transaction
+    assert_no_queries {
+      Firm.new.build_account
+    }
+  end
+
   def test_build_and_create_should_not_happen_within_scope
     pirate = pirates(:blackbeard)
     scoped_count = pirate.association(:foo_bulb).scoped.where_values.count
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index cf1181e829..63383bded9 100644
--- a/activerecord/test/cases/calculations_test.rb
+++ b/activerecord/test/cases/calculations_test.rb
@@ -487,4 +487,10 @@ class CalculationsTest < ActiveRecord::TestCase
   def test_pluck_with_qualified_column_name
     assert_equal [1,2,3,4], Topic.order(:id).pluck("topics.id")
   end
+
+  def test_pluck_replaces_select_clause
+    taks_relation = Topic.select([:approved, :id]).order(:id)
+    assert_equal [1,2,3,4], taks_relation.pluck(:id)
+    assert_equal [false, true, true, true], taks_relation.pluck(:approved)
+  end
 end
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb
index 5d72e35c60..e50a334958 100644
--- a/activerecord/test/cases/finder_test.rb
+++ b/activerecord/test/cases/finder_test.rb
@@ -652,6 +652,11 @@ class FinderTest < ActiveRecord::TestCase
     assert_raise(ActiveRecord::RecordNotFound) { Topic.find_by_title!("The First Topic!") }
   end
 
+  def test_find_by_one_attribute_bang_with_blank_defined
+    blank_topic = BlankTopic.create(:title => "The Blank One")
+    assert_equal blank_topic, BlankTopic.find_by_title!("The Blank One")
+  end
+
   def test_find_by_one_attribute_with_order_option
     assert_equal accounts(:signals37), Account.find_by_credit_limit(50, :order => 'id')
     assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :order => 'id DESC')
diff --git a/activerecord/test/cases/helper.rb b/activerecord/test/cases/helper.rb
index e352a55104..cf49b125d7 100644
--- a/activerecord/test/cases/helper.rb
+++ b/activerecord/test/cases/helper.rb
@@ -4,7 +4,7 @@ require 'config'
 
 require 'test/unit'
 require 'stringio'
-require 'mocha'
+require 'mocha/setup'
 
 require 'active_record'
 require 'active_support/dependencies'
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index 015a3ccefd..066a60f81a 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -7,6 +7,7 @@ require 'models/ship'
 require 'models/legacy_thing'
 require 'models/reference'
 require 'models/string_key_object'
+require 'models/treasure'
 
 class LockWithoutDefault < ActiveRecord::Base; end
 
@@ -20,7 +21,7 @@ class ReadonlyNameShip < Ship
 end
 
 class OptimisticLockingTest < ActiveRecord::TestCase
-  fixtures :people, :legacy_things, :references, :string_key_objects
+  fixtures :people, :legacy_things, :references, :string_key_objects, :peoples_treasures
 
   def test_non_integer_lock_existing
     s1 = StringKeyObject.find("record1")
@@ -267,6 +268,15 @@ class SetLockingColumnTest < ActiveRecord::TestCase
       assert_equal "omg", k.original_locking_column
     end
   end
+
+  def test_removing_has_and_belongs_to_many_associations_upon_destroy
+    p = RichPerson.create! :first_name => 'Jon'
+    p.treasures.create!
+    assert !p.treasures.empty?
+    p.destroy
+    assert p.treasures.empty?
+    assert RichPerson.connection.select_all("SELECT * FROM peoples_treasures WHERE rich_person_id = 1").empty?
+  end
 end
 
 class OptimisticLockingWithSchemaChangeTest < ActiveRecord::TestCase
diff --git a/activerecord/test/cases/query_cache_test.rb b/activerecord/test/cases/query_cache_test.rb
index dd881f8230..dfc6ea2457 100644
--- a/activerecord/test/cases/query_cache_test.rb
+++ b/activerecord/test/cases/query_cache_test.rb
@@ -173,6 +173,17 @@ class QueryCacheTest < ActiveRecord::TestCase
       assert_queries(2) { task.lock!; task.lock! }
     end
   end
+
+  def test_cache_is_available_when_connection_is_connected
+    conf = ActiveRecord::Base.configurations
+
+    ActiveRecord::Base.configurations = {}
+    Task.cache do
+      assert_queries(1) { Task.find(1); Task.find(1) }
+    end
+  ensure
+    ActiveRecord::Base.configurations = conf
+  end
 end
 
 class QueryCacheExpiryTest < ActiveRecord::TestCase