Fix dependencies revealed by testing in isolation

61 files changed, 127 insertions, 32 deletions

diff --git a/activesupport/Rakefile b/activesupport/Rakefile
index f7fd52c7d8..a4e8200a43 100644
--- a/activesupport/Rakefile
+++ b/activesupport/Rakefile
@@ -21,6 +21,12 @@ Rake::TestTask.new { |t|
   t.verbose = true
   t.warning = true
 }
+task :isolated_test do 
+  Dir['test/**/*_test.rb'].all? do |file|
+    ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
+    system(ruby, '-Ilib:test', file)
+  end or raise "Failures"
+end
 
 # Create compressed packages
 dist_dirs = [ "lib", "test"]
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index 4b2eebb007..feb6b1f2cf 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -2,6 +2,7 @@ require 'benchmark'
 require 'active_support/core_ext/benchmark'
 require 'active_support/core_ext/exception'
 require 'active_support/core_ext/class/attribute_accessors'
+require 'active_support/core_ext' # FIXME: pulling in all to_param extensions
 
 module ActiveSupport
   # See ActiveSupport::Cache::Store for documentation.
diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb
index 84d9a0e6d8..4bbcd8e4c4 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/duplicable'
+
 module ActiveSupport
   module Cache
     module Strategy
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index 4bac8292e2..f049189b9a 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/array/extract_options'
+
 module ActiveSupport
   # Callbacks are hooks into the lifecycle of an object that allow you to trigger logic
   # before or after an alteration of the object state.
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index 81e466779e..5f1ce4142f 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -1,3 +1,7 @@
+require 'active_support/core_ext/hash/keys'
+require 'active_support/core_ext/hash/reverse_merge'
+require 'active_support/inflector'
+
 class Array
   # Converts the array to a comma-separated sentence where the last element is joined by the connector word. Options:
   # * <tt>:words_connector</tt> - The sign or word used to join the elements in arrays with two or more elements (default: ", ")
@@ -155,7 +159,7 @@ class Array
     raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml }
     require 'builder' unless defined?(Builder)
 
-    options[:root]     ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records"
+    options[:root]     ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? ActiveSupport::Inflector.pluralize(ActiveSupport::Inflector.underscore(first.class.name)) : "records"
     options[:children] ||= options[:root].singularize
     options[:indent]   ||= 2
     options[:builder]  ||= Builder::XmlMarkup.new(:indent => options[:indent])
diff --git a/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb b/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb
index 2f18666ab9..cca93a0b9f 100644
--- a/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb
+++ b/activesupport/lib/active_support/core_ext/class/inheritable_attributes.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/duplicable'
+
 # Retain for backward compatibility.  Methods are now included in Class.
 module ClassInheritableAttributes # :nodoc:
 end
@@ -216,4 +218,4 @@ class Class
     extlib_inheritable_reader(*syms)
     extlib_inheritable_writer(*syms)
   end
-end
\ No newline at end of file
+end
diff --git a/activesupport/lib/active_support/core_ext/class/removal.rb b/activesupport/lib/active_support/core_ext/class/removal.rb
index 10660edb2c..2dea3c24d5 100644
--- a/activesupport/lib/active_support/core_ext/class/removal.rb
+++ b/activesupport/lib/active_support/core_ext/class/removal.rb
@@ -1,3 +1,6 @@
+require 'active_support/core_ext/object/extending'
+require 'active_support/core_ext/module/introspection'
+
 class Class #:nodoc:
   
   # Unassociates the class with its subclasses and removes the subclasses
diff --git a/activesupport/lib/active_support/core_ext/date/calculations.rb b/activesupport/lib/active_support/core_ext/date/calculations.rb
index 59efdbd1b6..04a32edefd 100644
--- a/activesupport/lib/active_support/core_ext/date/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date/calculations.rb
@@ -1,3 +1,5 @@
+require 'active_support/duration'
+
 class Date
   class << self
     # Returns a new Date representing the date 1 day ago (i.e. yesterday's date).
diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb
index f6c870035b..54facf4430 100644
--- a/activesupport/lib/active_support/core_ext/date/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/date/conversions.rb
@@ -1,4 +1,6 @@
 require 'active_support/inflector'
+require 'active_support/core_ext/time/conversions'
+require 'active_support/core_ext/date_time/conversions'
 
 class Date
   DATE_FORMATS = {
diff --git a/activesupport/lib/active_support/core_ext/date_time.rb b/activesupport/lib/active_support/core_ext/date_time.rb
index 83a11da1c7..004fd0ad29 100644
--- a/activesupport/lib/active_support/core_ext/date_time.rb
+++ b/activesupport/lib/active_support/core_ext/date_time.rb
@@ -1,5 +1,4 @@
-require 'date'
-
+require 'active_support/core_ext/time'
 require 'active_support/core_ext/date_time/acts_like'
 require 'active_support/core_ext/date_time/calculations'
 require 'active_support/core_ext/date_time/conversions'
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index fa171720f9..f9dddec687 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -1,6 +1,8 @@
 require 'date'
 require 'active_support/core_ext/object/conversions'
 require 'active_support/core_ext/array/conversions'
+require 'active_support/core_ext/hash/reverse_merge'
+require 'active_support/core/time'
 
 class Hash
   # This module exists to decorate files deserialized using Hash.from_xml with
diff --git a/activesupport/lib/active_support/core_ext/logger.rb b/activesupport/lib/active_support/core_ext/logger.rb
index 858da7aa07..22749229a3 100644
--- a/activesupport/lib/active_support/core_ext/logger.rb
+++ b/activesupport/lib/active_support/core_ext/logger.rb
@@ -1,6 +1,7 @@
-# Adds the 'around_level' method to Logger.
+require 'active_support/core_ext/class/attribute_accessors'
 
-class Logger
+# Adds the 'around_level' method to Logger.
+class Logger #:nodoc:
   def self.define_around_helper(level)
     module_eval <<-end_eval
       def around_#{level}(before_message, after_message, &block)  # def around_debug(before_message, after_message, &block)
diff --git a/activesupport/lib/active_support/core_ext/module/attr_internal.rb b/activesupport/lib/active_support/core_ext/module/attr_internal.rb
index b66c0d7500..d052bfed2d 100644
--- a/activesupport/lib/active_support/core_ext/module/attr_internal.rb
+++ b/activesupport/lib/active_support/core_ext/module/attr_internal.rb
@@ -22,11 +22,11 @@ class Module
 
   alias_method :attr_internal, :attr_internal_accessor
 
-  private
-    mattr_accessor :attr_internal_naming_format
-    self.attr_internal_naming_format = '@_%s'
+  class << self; attr_accessor :attr_internal_naming_format end
+  self.attr_internal_naming_format = '@_%s'
 
+  private
     def attr_internal_ivar_name(attr)
-      attr_internal_naming_format % attr
+      Module.attr_internal_naming_format % attr
     end
 end
diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb
index 7708d573fa..23a1063901 100644
--- a/activesupport/lib/active_support/core_ext/module/introspection.rb
+++ b/activesupport/lib/active_support/core_ext/module/introspection.rb
@@ -1,3 +1,5 @@
+require 'active_support/inflector'
+
 class Module
   # Returns the name of the module containing this one.
   #
@@ -26,7 +28,7 @@ class Module
   #   p Module.new.parent # => Object
   #
   def parent
-    parent_name ? parent_name.constantize : Object
+    parent_name ? ActiveSupport::Inflector.constantize(parent_name) : Object
   end
 
   # Returns all the parents of this module according to its name, ordered from
@@ -47,7 +49,7 @@ class Module
     if parent_name
       parts = parent_name.split('::')
       until parts.empty?
-        parents << (parts * '::').constantize
+        parents << ActiveSupport::Inflector.constantize(parts * '::')
         parts.pop
       end
     end
diff --git a/activesupport/lib/active_support/core_ext/module/model_naming.rb b/activesupport/lib/active_support/core_ext/module/model_naming.rb
index 004b96a3c1..36fde87b23 100644
--- a/activesupport/lib/active_support/core_ext/module/model_naming.rb
+++ b/activesupport/lib/active_support/core_ext/module/model_naming.rb
@@ -1,13 +1,15 @@
+require 'active_support/inflector'
+
 module ActiveSupport
   class ModelName < String
     attr_reader :singular, :plural, :cache_key, :partial_path
 
     def initialize(name)
       super
-      @singular = underscore.tr('/', '_').freeze
-      @plural = @singular.pluralize.freeze
+      @singular = ActiveSupport::Inflector.underscore(self).tr('/', '_').freeze
+      @plural = ActiveSupport::Inflector.pluralize(@singular).freeze
       @cache_key = tableize.freeze
-      @partial_path = "#{@cache_key}/#{demodulize.underscore}".freeze
+      @partial_path = "#{@cache_key}/#{ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.demodulize(self))}".freeze
     end
   end
 end
diff --git a/activesupport/lib/active_support/core_ext/module/synchronization.rb b/activesupport/lib/active_support/core_ext/module/synchronization.rb
index 069db3fed0..f72d512340 100644
--- a/activesupport/lib/active_support/core_ext/module/synchronization.rb
+++ b/activesupport/lib/active_support/core_ext/module/synchronization.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/module/aliasing'
+
 class Module
   # Synchronize access around a method, delegating synchronization to a
   # particular mutex. A mutex (either a Mutex, or any object that responds to 
diff --git a/activesupport/lib/active_support/core_ext/numeric/time.rb b/activesupport/lib/active_support/core_ext/numeric/time.rb
index 2955e8ff1d..d1062805c5 100644
--- a/activesupport/lib/active_support/core_ext/numeric/time.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/time.rb
@@ -1,3 +1,5 @@
+require 'active_support/duration'
+
 class Numeric
   # Enables the use of time calculations and declarations, like 45.minutes + 2.hours + 4.years.
   #
diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb
index 96385d2b87..04e8f06b3d 100644
--- a/activesupport/lib/active_support/core_ext/object.rb
+++ b/activesupport/lib/active_support/core_ext/object.rb
@@ -1,3 +1,4 @@
+require 'active_support/core_ext/object/acts_like'
 require 'active_support/core_ext/object/blank'
 require 'active_support/core_ext/object/duplicable'
 require 'active_support/core_ext/object/try'
diff --git a/activesupport/lib/active_support/core_ext/range/blockless_step.rb b/activesupport/lib/active_support/core_ext/range/blockless_step.rb
index f4792d03b7..db42ef5c47 100644
--- a/activesupport/lib/active_support/core_ext/range/blockless_step.rb
+++ b/activesupport/lib/active_support/core_ext/range/blockless_step.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/module/aliasing'
+
 class Range
   begin
     (1..2).step
diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb
index 39c2b1b8ed..3f05db62c3 100644
--- a/activesupport/lib/active_support/core_ext/string/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/string/conversions.rb
@@ -1,4 +1,5 @@
 require 'date'
+require 'active_support/core_ext/time/calculations'
 
 class String
   # 'a'.ord == 'a'[0] for Ruby 1.9 forward compatibility.
diff --git a/activesupport/lib/active_support/core_ext/string/multibyte.rb b/activesupport/lib/active_support/core_ext/string/multibyte.rb
index 0f0dfb2443..13208c6ee2 100644
--- a/activesupport/lib/active_support/core_ext/string/multibyte.rb
+++ b/activesupport/lib/active_support/core_ext/string/multibyte.rb
@@ -1,4 +1,5 @@
 # encoding: utf-8
+require 'active_support/multibyte'
 
 class String
   unless '1.9'.respond_to?(:force_encoding)
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 1804c14618..855b720ef1 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -1,11 +1,13 @@
 require 'set'
 require 'thread'
-require 'active_support/inflector'
-require 'active_support/core_ext/name_error'
-require 'active_support/core_ext/object/blank'
 require 'active_support/core_ext/module/aliasing'
 require 'active_support/core_ext/module/attribute_accessors'
 require 'active_support/core_ext/module/introspection'
+require 'active_support/core_ext/object/blank'
+require 'active_support/core_ext/load_error'
+require 'active_support/core_ext/name_error'
+require 'active_support/core_ext/string/starts_ends_with'
+require 'active_support/inflector'
 
 module ActiveSupport #:nodoc:
   module Dependencies #:nodoc:
diff --git a/activesupport/lib/active_support/deprecation/method_wrappers.rb b/activesupport/lib/active_support/deprecation/method_wrappers.rb
index b35d4daf9a..b9eb539aa7 100644
--- a/activesupport/lib/active_support/deprecation/method_wrappers.rb
+++ b/activesupport/lib/active_support/deprecation/method_wrappers.rb
@@ -1,4 +1,5 @@
 require 'active_support/core_ext/module/deprecation'
+require 'active_support/core_ext/module/aliasing'
 
 module ActiveSupport
   class << Deprecation
diff --git a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
index 1c268d0d9c..ec54efe08e 100644
--- a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
+++ b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb
@@ -1,3 +1,5 @@
+require 'active_support/inflector'
+
 module ActiveSupport
   module Deprecation
     class DeprecationProxy #:nodoc:
@@ -61,7 +63,7 @@ module ActiveSupport
 
       private
         def target
-          @new_const.to_s.constantize
+          ActiveSupport::Inflector.constantize(@new_const.to_s)
         end
 
         def warn(callstack, called, args)
diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb
index f64661c5b1..a33586f77f 100644
--- a/activesupport/lib/active_support/duration.rb
+++ b/activesupport/lib/active_support/duration.rb
@@ -1,4 +1,5 @@
 require 'active_support/basic_object'
+require 'active_support/core_ext/array/conversions'
 
 module ActiveSupport
   # Provides accurate date and time measurements using Date#advance and 
diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 614afa1bd6..ff70d6d76e 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -1,6 +1,7 @@
 # encoding: utf-8
 require 'iconv'
-
+require 'active_support/core_ext/object/blank'
+require 'active_support/core_ext/string/access'
 require 'active_support/core_ext/string/multibyte'
 
 module ActiveSupport
diff --git a/activesupport/lib/active_support/json/encoders/time.rb b/activesupport/lib/active_support/json/encoders/time.rb
index f45a0059e8..7d97c38d77 100644
--- a/activesupport/lib/active_support/json/encoders/time.rb
+++ b/activesupport/lib/active_support/json/encoders/time.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/time/conversions'
+
 class Time
   # Returns a JSON string representing the time. If ActiveSupport.use_standard_json_time_format is set to true, the
   # ISO 8601 format is used.
diff --git a/activesupport/lib/active_support/memoizable.rb b/activesupport/lib/active_support/memoizable.rb
index 2b85fd7be4..edf626802a 100644
--- a/activesupport/lib/active_support/memoizable.rb
+++ b/activesupport/lib/active_support/memoizable.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/metaclass'
+
 module ActiveSupport
   module SafelyMemoizable
     def safely_memoize(*symbols)
diff --git a/activesupport/lib/active_support/multibyte.rb b/activesupport/lib/active_support/multibyte.rb
index 65a96af49a..d8d58f3bce 100644
--- a/activesupport/lib/active_support/multibyte.rb
+++ b/activesupport/lib/active_support/multibyte.rb
@@ -4,6 +4,8 @@ require 'active_support/multibyte/chars'
 require 'active_support/multibyte/exceptions'
 require 'active_support/multibyte/unicode_database'
 
+require 'active_support/core_ext/module/attribute_accessors'
+
 module ActiveSupport #:nodoc:
   module Multibyte
     # A list of all available normalization forms. See http://www.unicode.org/reports/tr15/tr15-29.html for more
diff --git a/activesupport/lib/active_support/testing/assertions.rb b/activesupport/lib/active_support/testing/assertions.rb
index ca51adba1e..c529b92240 100644
--- a/activesupport/lib/active_support/testing/assertions.rb
+++ b/activesupport/lib/active_support/testing/assertions.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/array/wrap'
+
 module ActiveSupport
   module Testing
     module Assertions
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index aa448debda..0d4c75d272 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -131,7 +131,7 @@ module ActiveSupport
     #   Time.utc(2005,2,1,15,15,10).in_time_zone.to_json
     #   # => "2005/02/01 15:15:10 +0000"
     def to_json(options = nil)
-      if ActiveSupport.use_standard_json_time_format
+      if !ActiveSupport.respond_to?(:use_standard_json_time_format) || ActiveSupport.use_standard_json_time_format
         xmlschema.inspect
       else
         %("#{time.strftime("%Y/%m/%d %H:%M:%S")} #{formatted_offset(false)}")
diff --git a/activesupport/lib/active_support/xml_mini.rb b/activesupport/lib/active_support/xml_mini.rb
index ccd1349491..f22fbcc0e1 100644
--- a/activesupport/lib/active_support/xml_mini.rb
+++ b/activesupport/lib/active_support/xml_mini.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/module/delegation'
+
 module ActiveSupport
   # = XmlMini
   #
diff --git a/activesupport/lib/active_support/xml_mini/rexml.rb b/activesupport/lib/active_support/xml_mini/rexml.rb
index 771109514c..5033210aae 100644
--- a/activesupport/lib/active_support/xml_mini/rexml.rb
+++ b/activesupport/lib/active_support/xml_mini/rexml.rb
@@ -1,3 +1,5 @@
+require 'active_support/core_ext/object/blank'
+
 # = XmlMini ReXML implementation
 module ActiveSupport
   module XmlMini_REXML #:nodoc:
diff --git a/activesupport/test/buffered_logger_test.rb b/activesupport/test/buffered_logger_test.rb
index d48c7fcc54..7a0ec2e910 100644
--- a/activesupport/test/buffered_logger_test.rb
+++ b/activesupport/test/buffered_logger_test.rb
@@ -4,11 +4,13 @@ require 'fileutils'
 require 'active_support/buffered_logger'
 
 class BufferedLoggerTest < Test::Unit::TestCase
+  Logger = ActiveSupport::BufferedLogger
+
   def setup
     @message = "A debug message"
     @integer_message = 12345
     @output  = StringIO.new
-    @logger  = ActiveSupport::BufferedLogger.new(@output)
+    @logger  = Logger.new(@output)
   end
 
   def test_should_log_debugging_message_when_debugging
@@ -76,9 +78,9 @@ class BufferedLoggerTest < Test::Unit::TestCase
 
     define_method "test_disabling_auto_flush_with_#{disable.inspect}_should_flush_at_max_buffer_size_as_failsafe" do
       @logger.auto_flushing = disable
-      assert_equal ActiveSupport::BufferedLogger::MAX_BUFFER_SIZE, @logger.auto_flushing
+      assert_equal Logger::MAX_BUFFER_SIZE, @logger.auto_flushing
 
-      (ActiveSupport::BufferedLogger::MAX_BUFFER_SIZE - 1).times do
+      (Logger::MAX_BUFFER_SIZE - 1).times do
         @logger.info 'wait for it..'
         assert @output.string.empty?, @output.string
       end
@@ -89,8 +91,8 @@ class BufferedLoggerTest < Test::Unit::TestCase
   end
 
   def test_should_know_if_its_loglevel_is_below_a_given_level
-    ActiveSupport::BufferedLogger::Severity.constants.each do |level|
-      @logger.level = ActiveSupport::BufferedLogger::Severity.const_get(level) - 1
+    Logger::Severity.constants.each do |level|
+      @logger.level = Logger::Severity.const_get(level) - 1
       assert @logger.send("#{level.downcase}?"), "didn't know if it was #{level.downcase}? or below"
     end
   end
@@ -111,7 +113,7 @@ class BufferedLoggerTest < Test::Unit::TestCase
     tmp_directory = File.join(File.dirname(__FILE__), "tmp")
     log_file = File.join(tmp_directory, "development.log")
     assert !File.exist?(tmp_directory)
-    @logger  = ActiveSupport::BufferedLogger.new(log_file)
+    @logger  = Logger.new(log_file)
     assert File.exist?(tmp_directory)
   ensure
     FileUtils.rm_rf(tmp_directory)
diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb
index 112cb998b1..24d33896ce 100644
--- a/activesupport/test/core_ext/array_ext_test.rb
+++ b/activesupport/test/core_ext/array_ext_test.rb
@@ -1,6 +1,9 @@
 require 'abstract_unit'
 require 'active_support/core_ext/array'
 require 'active_support/core_ext/big_decimal'
+require 'active_support/core_ext/object/conversions'
+
+require 'active_support/core_ext' # FIXME: pulling in all to_xml extensions
 
 class ArrayExtAccessTests < Test::Unit::TestCase
   def test_from
diff --git a/activesupport/test/core_ext/blank_test.rb b/activesupport/test/core_ext/blank_test.rb
index 00fea74639..1dbbf3ff30 100644
--- a/activesupport/test/core_ext/blank_test.rb
+++ b/activesupport/test/core_ext/blank_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/object/blank'
 
 class EmptyTrue
   def empty?() true; end
diff --git a/activesupport/test/core_ext/class/attribute_accessor_test.rb b/activesupport/test/core_ext/class/attribute_accessor_test.rb
index 85d0dd89e2..2214ba9894 100644
--- a/activesupport/test/core_ext/class/attribute_accessor_test.rb
+++ b/activesupport/test/core_ext/class/attribute_accessor_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/class/attribute_accessors'
 
 class ClassAttributeAccessorTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb b/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
index 7f859772e7..eeda468d9c 100644
--- a/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
+++ b/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/class/inheritable_attributes'
 
 class ClassInheritableAttributesTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/date_time_ext_test.rb b/activesupport/test/core_ext/date_time_ext_test.rb
index 45eb52c720..a7b179b2be 100644
--- a/activesupport/test/core_ext/date_time_ext_test.rb
+++ b/activesupport/test/core_ext/date_time_ext_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/date_time'
 
 class DateTimeExtCalculationsTest < Test::Unit::TestCase
   def test_to_s
diff --git a/activesupport/test/core_ext/duplicable_test.rb b/activesupport/test/core_ext/duplicable_test.rb
index 8b6127f31e..6e1f876959 100644
--- a/activesupport/test/core_ext/duplicable_test.rb
+++ b/activesupport/test/core_ext/duplicable_test.rb
@@ -1,4 +1,6 @@
 require 'abstract_unit'
+require 'bigdecimal'
+require 'active_support/core_ext/object/duplicable'
 
 class DuplicableTest < Test::Unit::TestCase
   NO  = [nil, false, true, :symbol, 1, 2.3, BigDecimal.new('4.56'), Class.new]
diff --git a/activesupport/test/core_ext/duration_test.rb b/activesupport/test/core_ext/duration_test.rb
index d4a4627e3e..ea6979bc6b 100644
--- a/activesupport/test/core_ext/duration_test.rb
+++ b/activesupport/test/core_ext/duration_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core/time'
 
 class DurationTest < ActiveSupport::TestCase
   def test_inspect
diff --git a/activesupport/test/core_ext/exception_test.rb b/activesupport/test/core_ext/exception_test.rb
index dabd8c7c06..e63842c0bd 100644
--- a/activesupport/test/core_ext/exception_test.rb
+++ b/activesupport/test/core_ext/exception_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/exception'
 
 class ExceptionExtTests < Test::Unit::TestCase
 
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index bbb1c631f9..d65a5323bf 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -1,5 +1,7 @@
 require 'abstract_unit'
 require 'active_support/core_ext/hash'
+require 'bigdecimal'
+require 'active_support/core_ext/string/access'
 
 class HashExtTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/module/attr_accessor_with_default_test.rb b/activesupport/test/core_ext/module/attr_accessor_with_default_test.rb
index 7c59348af9..7c0d0bb242 100644
--- a/activesupport/test/core_ext/module/attr_accessor_with_default_test.rb
+++ b/activesupport/test/core_ext/module/attr_accessor_with_default_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/module/attr_accessor_with_default'
 
 class AttrAccessorWithDefaultTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/module/attr_internal_test.rb b/activesupport/test/core_ext/module/attr_internal_test.rb
index 52833019e7..93578c9610 100644
--- a/activesupport/test/core_ext/module/attr_internal_test.rb
+++ b/activesupport/test/core_ext/module/attr_internal_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/module/attr_internal'
 
 class AttrInternalTest < Test::Unit::TestCase
   def setup
@@ -37,8 +38,8 @@ class AttrInternalTest < Test::Unit::TestCase
   end
 
   def test_naming_format
-    assert_equal '@_%s', @target.attr_internal_naming_format
-    assert_nothing_raised { @target.attr_internal_naming_format = '@abc%sdef' }
+    assert_equal '@_%s', Module.attr_internal_naming_format
+    assert_nothing_raised { Module.attr_internal_naming_format = '@abc%sdef' }
     @target.attr_internal :foo
 
     assert !@instance.instance_variable_defined?('@_foo')
@@ -47,6 +48,6 @@ class AttrInternalTest < Test::Unit::TestCase
     assert !@instance.instance_variable_defined?('@_foo')
     assert @instance.instance_variable_defined?('@abcfoodef')
   ensure
-    @target.attr_internal_naming_format = '@_%s'
+    Module.attr_internal_naming_format = '@_%s'
   end
 end
diff --git a/activesupport/test/core_ext/module/attribute_accessor_test.rb b/activesupport/test/core_ext/module/attribute_accessor_test.rb
index 96975085cf..bd9461e62c 100644
--- a/activesupport/test/core_ext/module/attribute_accessor_test.rb
+++ b/activesupport/test/core_ext/module/attribute_accessor_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/module/attribute_accessors'
 
 class ModuleAttributeAccessorTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/module/model_naming_test.rb b/activesupport/test/core_ext/module/model_naming_test.rb
index d08349dd97..da3b6c4932 100644
--- a/activesupport/test/core_ext/module/model_naming_test.rb
+++ b/activesupport/test/core_ext/module/model_naming_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/module/model_naming'
 
 class ModelNamingTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/name_error_test.rb b/activesupport/test/core_ext/name_error_test.rb
index bae004809f..10913e2ade 100644
--- a/activesupport/test/core_ext/name_error_test.rb
+++ b/activesupport/test/core_ext/name_error_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/name_error'
 
 class NameErrorTest < Test::Unit::TestCase
   def test_name_error_should_set_missing_name
diff --git a/activesupport/test/core_ext/numeric_ext_test.rb b/activesupport/test/core_ext/numeric_ext_test.rb
index 9cca4d3aaf..74b086fa9c 100644
--- a/activesupport/test/core_ext/numeric_ext_test.rb
+++ b/activesupport/test/core_ext/numeric_ext_test.rb
@@ -1,6 +1,7 @@
 require 'abstract_unit'
-
-require 'active_support/core_ext/numeric/bytes'
+require 'active_support/core_ext/numeric'
+require 'active_support/core_ext/integer'
+require 'active_support/core/time'
 
 class NumericExtTimeAndDateTimeTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb
index c919698c0f..8869b053e6 100644
--- a/activesupport/test/core_ext/object_and_class_ext_test.rb
+++ b/activesupport/test/core_ext/object_and_class_ext_test.rb
@@ -1,5 +1,7 @@
 require 'abstract_unit'
 require 'active_support/core_ext/object'
+require 'active_support/core_ext/class/removal'
+require 'active_support/core/time'
 
 class ClassA; end
 class ClassB < ClassA; end
diff --git a/activesupport/test/core_ext/proc_test.rb b/activesupport/test/core_ext/proc_test.rb
index 29f85371de..dc7b2c957d 100644
--- a/activesupport/test/core_ext/proc_test.rb
+++ b/activesupport/test/core_ext/proc_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/proc'
 
 class ProcTests < Test::Unit::TestCase
   def test_bind_returns_method_with_changed_self
diff --git a/activesupport/test/core_ext/range_ext_test.rb b/activesupport/test/core_ext/range_ext_test.rb
index 76e05e9954..2565c56b8a 100644
--- a/activesupport/test/core_ext/range_ext_test.rb
+++ b/activesupport/test/core_ext/range_ext_test.rb
@@ -1,5 +1,6 @@
 require 'abstract_unit'
 require 'active_support/core_ext/range'
+require 'active_support/core_ext/date/conversions'
 
 class RangeTest < Test::Unit::TestCase
   def test_to_s_from_dates
diff --git a/activesupport/test/core_ext/string_ext_test.rb b/activesupport/test/core_ext/string_ext_test.rb
index a357ba5852..237a843f9a 100644
--- a/activesupport/test/core_ext/string_ext_test.rb
+++ b/activesupport/test/core_ext/string_ext_test.rb
@@ -4,6 +4,7 @@ require 'abstract_unit'
 require 'inflector_test_cases'
 
 require 'active_support/core_ext/string'
+require 'active_support/core_ext/time'
 
 class StringInflectionsTest < Test::Unit::TestCase
   include InflectorTestCases
diff --git a/activesupport/test/core_ext/time_ext_test.rb b/activesupport/test/core_ext/time_ext_test.rb
index 8ee4904036..3bf7b789ce 100644
--- a/activesupport/test/core_ext/time_ext_test.rb
+++ b/activesupport/test/core_ext/time_ext_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core/time'
 
 class TimeExtCalculationsTest < Test::Unit::TestCase
   def test_seconds_since_midnight
diff --git a/activesupport/test/core_ext/time_with_zone_test.rb b/activesupport/test/core_ext/time_with_zone_test.rb
index 3dec4c95f4..612a50c225 100644
--- a/activesupport/test/core_ext/time_with_zone_test.rb
+++ b/activesupport/test/core_ext/time_with_zone_test.rb
@@ -1,5 +1,6 @@
 require 'abstract_unit'
 require 'active_support/time_with_zone'
+require 'active_support/json'
 
 class TimeWithZoneTest < Test::Unit::TestCase
 
diff --git a/activesupport/test/dependencies_test.rb b/activesupport/test/dependencies_test.rb
index 01c1d67f4c..99c53924c2 100644
--- a/activesupport/test/dependencies_test.rb
+++ b/activesupport/test/dependencies_test.rb
@@ -1,6 +1,8 @@
 require 'abstract_unit'
 require 'pp'
 require 'active_support/dependencies'
+require 'active_support/core_ext/module/loading'
+require 'active_support/core_ext/kernel/reporting'
 
 module ModuleWithMissing
   mattr_accessor :missing_count
diff --git a/activesupport/test/i18n_test.rb b/activesupport/test/i18n_test.rb
index 7535f4ad7a..2a08abfb3e 100644
--- a/activesupport/test/i18n_test.rb
+++ b/activesupport/test/i18n_test.rb
@@ -1,4 +1,6 @@
 require 'abstract_unit'
+require 'active_support/core/time'
+require 'active_support/core_ext/array/conversions'
 
 class I18nTest < Test::Unit::TestCase
   def setup
diff --git a/activesupport/test/inflector_test.rb b/activesupport/test/inflector_test.rb
index 6b9fbd3156..8c4d831a39 100644
--- a/activesupport/test/inflector_test.rb
+++ b/activesupport/test/inflector_test.rb
@@ -1,4 +1,6 @@
 require 'abstract_unit'
+require 'active_support/inflector'
+
 require 'inflector_test_cases'
 
 module Ace
diff --git a/activesupport/test/test_test.rb b/activesupport/test/test_test.rb
index d250b10822..40d3d612e7 100644
--- a/activesupport/test/test_test.rb
+++ b/activesupport/test/test_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core_ext/kernel/reporting'
 
 class AssertDifferenceTest < ActiveSupport::TestCase
   def setup
diff --git a/activesupport/test/time_zone_test.rb b/activesupport/test/time_zone_test.rb
index 7e8047566e..87d6ccc30d 100644
--- a/activesupport/test/time_zone_test.rb
+++ b/activesupport/test/time_zone_test.rb
@@ -1,4 +1,5 @@
 require 'abstract_unit'
+require 'active_support/core/time'
 
 class TimeZoneTest < Test::Unit::TestCase
   def test_utc_to_local
diff --git a/activesupport/test/xml_mini/nokogiri_engine_test.rb b/activesupport/test/xml_mini/nokogiri_engine_test.rb
index e5174a0b57..886a9d1aba 100644
--- a/activesupport/test/xml_mini/nokogiri_engine_test.rb
+++ b/activesupport/test/xml_mini/nokogiri_engine_test.rb
@@ -1,5 +1,6 @@
 require 'abstract_unit'
 require 'active_support/xml_mini'
+require 'active_support/core_ext/hash/conversions'
 
 begin
   gem 'nokogiri', '>= 1.1.1'