3.2.19.github9

Force a period when local times are ambiguous

RAILS_VERSION

@@ -1 +1 @@
-3.2.19.github2
+3.2.19.github9

actionmailer/lib/action_mailer/base.rb

@@ -2,7 +2,6 @@ require 'mail'
 require 'action_mailer/collector'
 require 'active_support/core_ext/array/wrap'
 require 'active_support/core_ext/object/blank'
-require 'active_support/core_ext/proc'
 require 'active_support/core_ext/string/inflections'
 require 'active_support/core_ext/hash/except'
 require 'active_support/core_ext/module/anonymous'
@@ -627,7 +626,7 @@ module ActionMailer #:nodoc:
 
       # Call all the procs (if any)
       default_values = self.class.default.merge(self.class.default) do |k,v|
-        v.respond_to?(:call) ? v.bind(self).call : v
+        v.respond_to?(:call) ? instance_eval(&v) : v
       end
 
       # Handle defaults

actionpack/lib/action_controller/test_case.rb

@@ -489,6 +489,7 @@ module ActionController
         @controller.recycle!
         @controller.process_with_new_base_test(@request, @response)
         @assigns = @controller.respond_to?(:view_assigns) ? @controller.view_assigns : {}
+        @request.session['flash'] = @request.flash.to_session_value
         @request.session.delete('flash') if @request.session['flash'].blank?
         @response
       end

actionpack/lib/action_dispatch/middleware/cookies.rb

@@ -81,6 +81,7 @@ module ActionDispatch
   class Cookies
     HTTP_HEADER = "Set-Cookie".freeze
     TOKEN_KEY   = "action_dispatch.secret_token".freeze
+    SESSION_SERIALIZER = "action_dispatch.session_serializer".freeze
 
     # Raised when storing more than 4K of session data.
     class CookieOverflow < StandardError; end
@@ -106,13 +107,14 @@ module ActionDispatch
         secret = request.env[TOKEN_KEY]
         host = request.host
         secure = request.ssl?
+        serializer = request.env[SESSION_SERIALIZER]
 
-        new(secret, host, secure).tap do |hash|
+        new(secret, host, secure, serializer).tap do |hash|
           hash.update(request.cookies)
         end
       end
 
-      def initialize(secret = nil, host = nil, secure = false)
+      def initialize(secret = nil, host = nil, secure = false, serializer = nil)
         @secret = secret
         @set_cookies = {}
         @delete_cookies = {}
@@ -120,6 +122,7 @@ module ActionDispatch
         @secure = secure
         @closed = false
         @cookies = {}
+        @serializer = serializer
       end
 
       def each(&block)
@@ -211,7 +214,7 @@ module ActionDispatch
       #   cookies.permanent.signed[:remember_me] = current_user.id
       #   # => Set-Cookie: remember_me=BAhU--848956038e692d7046deab32b7131856ab20e14e; path=/; expires=Sun, 16-Dec-2029 03:24:16 GMT
       def permanent
-        @permanent ||= PermanentCookieJar.new(self, @secret)
+        @permanent ||= PermanentCookieJar.new(self, @secret, @serializer)
       end
 
       # Returns a jar that'll automatically generate a signed representation of cookie value and verify it when reading from
@@ -228,7 +231,7 @@ module ActionDispatch
       #
       #   cookies.signed[:discount] # => 45
       def signed
-        @signed ||= SignedCookieJar.new(self, @secret)
+        @signed ||= SignedCookieJar.new(self, @secret, @serializer)
       end
 
       def write(headers)
@@ -252,8 +255,8 @@ module ActionDispatch
     end
 
     class PermanentCookieJar < CookieJar #:nodoc:
-      def initialize(parent_jar, secret)
-        @parent_jar, @secret = parent_jar, secret
+      def initialize(parent_jar, secret, serializer)
+        @parent_jar, @secret, @serializer = parent_jar, secret, serializer
       end
 
       def []=(key, options)
@@ -268,7 +271,7 @@ module ActionDispatch
       end
 
       def signed
-        @signed ||= SignedCookieJar.new(self, @secret)
+        @signed ||= SignedCookieJar.new(self, @secret, @serializer)
       end
 
       def method_missing(method, *arguments, &block)
@@ -280,10 +283,10 @@ module ActionDispatch
       MAX_COOKIE_SIZE = 4096 # Cookies can typically store 4096 bytes.
       SECRET_MIN_LENGTH = 30 # Characters
 
-      def initialize(parent_jar, secret)
+      def initialize(parent_jar, secret, serializer)
         ensure_secret_secure(secret)
         @parent_jar = parent_jar
-        @verifier   = ActiveSupport::MessageVerifier.new(secret)
+        @verifier   = ActiveSupport::MessageVerifier.new(secret, :serializer => serializer)
       end
 
       def [](name)

actionpack/lib/action_dispatch/middleware/flash.rb

@@ -4,7 +4,7 @@ module ActionDispatch
     # read a notice you put there or <tt>flash["notice"] = "hello"</tt>
     # to put a new one.
     def flash
-      @env[Flash::KEY] ||= (session["flash"] || Flash::FlashHash.new)
+      @env[Flash::KEY] ||= Flash::FlashHash.from_session_value(session["flash"])
     end
   end
 
@@ -77,10 +77,24 @@ module ActionDispatch
     class FlashHash
       include Enumerable
 
-      def initialize #:nodoc:
-        @used    = Set.new
+      def self.from_session_value(value)
+        case value
+        when Hash # After github/github-rails#9, only plain Hashes are in the session
+          new(value['flashes'], value['discard'])
+        else
+          new
+        end
+      end
+
+      def to_session_value
+        return nil if empty?
+        {'discard' => @used.to_a, 'flashes' => @flashes}
+      end
+
+      def initialize(flashes = {}, discard = []) #:nodoc:
+        @used    = Set.new(discard)
         @closed  = false
-        @flashes = {}
+        @flashes = flashes
         @now     = nil
       end
 
@@ -93,15 +107,17 @@ module ActionDispatch
       end
 
       def []=(k, v) #:nodoc:
+        k = k.to_s
         keep(k)
         @flashes[k] = v
       end
 
       def [](k)
-        @flashes[k]
+        @flashes[k.to_s]
       end
 
       def update(h) #:nodoc:
+        h.stringify_keys!
         h.keys.each { |k| keep(k) }
         @flashes.update h
         self
@@ -112,11 +128,11 @@ module ActionDispatch
       end
 
       def key?(name)
-        @flashes.key? name
+        @flashes.key? name.to_s
       end
 
       def delete(key)
-        @flashes.delete key
+        @flashes.delete key.to_s
         self
       end
 
@@ -140,7 +156,7 @@ module ActionDispatch
 
       def replace(h) #:nodoc:
         @used = Set.new
-        @flashes.replace h
+        @flashes.replace h.stringify_keys
         self
       end
 
@@ -235,8 +251,9 @@ module ActionDispatch
     end
 
     def call(env)
-      if (session = env['rack.session']) && (flash = session['flash'])
+      if (session = env['rack.session']) && (flash = Flash::FlashHash.from_session_value(session["flash"]))
         flash.sweep
+        env[KEY] = flash
       end
 
       @app.call(env)
@@ -246,7 +263,7 @@ module ActionDispatch
 
       if flash_hash
         if !flash_hash.empty? || session.key?('flash')
-          session["flash"] = flash_hash
+          session["flash"] = flash_hash.to_session_value
           new_hash = flash_hash.dup
         else
           new_hash = flash_hash
@@ -255,7 +272,7 @@ module ActionDispatch
         env[KEY] = new_hash
       end
 
-      if session.key?('flash') && session['flash'].empty?
+      if session['flash'] && session['flash'].empty?
         session.delete('flash')
       end
     end

actionpack/lib/action_view/helpers/cache_helper.rb

@@ -2,11 +2,11 @@ module ActionView
   # = Action View Cache Helper
   module Helpers
     module CacheHelper
-      # This helper exposes a method for caching fragments of a view 
+      # This helper exposes a method for caching fragments of a view
       # rather than an entire action or page. This technique is useful
       # caching pieces like menus, lists of newstopics, static HTML
       # fragments, and so on. This method takes a block that contains
-      # the content you wish to cache. 
+      # the content you wish to cache.
       #
       # See ActionController::Caching::Fragments for usage instructions.
       #
@@ -23,7 +23,7 @@ module ActionView
       #      <p>Hello users!  Welcome to our website!</p>
       #   <% end %>
       #
-      # Static content with embedded ruby content can be cached as 
+      # Static content with embedded ruby content can be cached as
       # well:
       #
       #    <% cache do %>
@@ -49,10 +49,11 @@ module ActionView
         else
           # VIEW TODO: Make #capture usable outside of ERB
           # This dance is needed because Builder can't use capture
-          pos = output_buffer.length
+          pos = output_buffer.bytesize
           yield
           output_safe = output_buffer.html_safe?
-          fragment = output_buffer.slice!(pos..-1)
+          fragment = output_buffer.byteslice(pos..-1)
+          self.output_buffer = output_buffer.byteslice(0...pos)
           if output_safe
             self.output_buffer = output_buffer.class.new(output_buffer)
           end

actionpack/lib/action_view/lookup_context.rb

@@ -165,8 +165,6 @@ module ActionView
       # name instead of the prefix.
       def normalize_name(name, prefixes) #:nodoc:
         name  = name.to_s.sub(handlers_regexp) do |match|
-          ActiveSupport::Deprecation.warn "Passing a template handler in the template name is deprecated. " \
-            "You can simply remove the handler name or pass render :handlers => [:#{match[1..-1]}] instead.", caller
           ""
         end
 

actionpack/test/controller/flash_hash_test.rb

@@ -1,3 +1,5 @@
+# Upstream FlashHash tests from:
+# https://github.com/rails/rails/blob/a6ce984b49519de7701aa13d04300c9d03cf8f72/actionpack/test/controller/flash_hash_test.rb
 require 'abstract_unit'
 
 module ActionDispatch
@@ -46,6 +48,31 @@ module ActionDispatch
       assert_equal({'foo' => 'bar'}, @hash.to_hash)
     end
 
+    def test_to_session_value
+      @hash['foo'] = 'bar'
+      assert_equal({'flashes' => {'foo' => 'bar'}, 'discard' => []}, @hash.to_session_value)
+
+      @hash.discard('foo')
+      assert_equal({'flashes' => {'foo' => 'bar'}, 'discard' => %w[foo]}, @hash.to_session_value)
+
+      @hash.now['qux'] = 1
+      assert_equal({'flashes' => {'foo' => 'bar', 'qux' => 1}, 'discard' => %w[foo qux]}, @hash.to_session_value)
+
+      @hash.sweep
+      assert_equal(nil, @hash.to_session_value)
+    end
+
+    def test_from_session_value_on_json_serializer
+      decrypted_data = "{ \"session_id\":\"d98bdf6d129618fc2548c354c161cfb5\", \"flash\":{\"discard\":[], \"flashes\":{\"message\":\"hey you\"}} }"
+      session = ActiveSupport::JSON.decode(decrypted_data)
+      hash = Flash::FlashHash.from_session_value(session['flash'])
+      hash.sweep
+
+      assert_equal({'discard' => %w[message], 'flashes' => { 'message' => 'hey you'}}, hash.to_session_value)
+      assert_equal "hey you", hash[:message]
+      assert_equal "hey you", hash["message"]
+    end
+
     def test_empty?
       assert @hash.empty?
       @hash['zomg'] = 'bears'
@@ -75,6 +102,7 @@ module ActionDispatch
     def test_discard_no_args
       @hash['hello'] = 'world'
       @hash.discard
+
       @hash.sweep
       assert_equal({}, @hash.to_hash)
     end
@@ -83,8 +111,88 @@ module ActionDispatch
       @hash['hello'] = 'world'
       @hash['omg']   = 'world'
       @hash.discard 'hello'
+
       @hash.sweep
       assert_equal({'omg' => 'world'}, @hash.to_hash)
     end
+
+    def test_keep_sweep
+      @hash['hello'] = 'world'
+
+      @hash.sweep
+      assert_equal({'hello' => 'world'}, @hash.to_hash)
+    end
+
+    def test_update_sweep
+      @hash['hello'] = 'world'
+      @hash.update({'hi' => 'mom'})
+
+      @hash.sweep
+      assert_equal({'hello' => 'world', 'hi' => 'mom'}, @hash.to_hash)
+    end
+
+    def test_update_delete_sweep
+      @hash['hello'] = 'world'
+      @hash.delete 'hello'
+      @hash.update({'hello' => 'mom'})
+
+      @hash.sweep
+      assert_equal({'hello' => 'mom'}, @hash.to_hash)
+    end
+
+    def test_delete_sweep
+      @hash['hello'] = 'world'
+      @hash['hi']    = 'mom'
+      @hash.delete 'hi'
+
+      @hash.sweep
+      assert_equal({'hello' => 'world'}, @hash.to_hash)
+    end
+
+    def test_clear_sweep
+      @hash['hello'] = 'world'
+      @hash.clear
+
+      @hash.sweep
+      assert_equal({}, @hash.to_hash)
+    end
+
+    def test_replace_sweep
+      @hash['hello'] = 'world'
+      @hash.replace({'hi' => 'mom'})
+
+      @hash.sweep
+      assert_equal({'hi' => 'mom'}, @hash.to_hash)
+    end
+
+    def test_discard_then_add
+      @hash['hello'] = 'world'
+      @hash['omg']   = 'world'
+      @hash.discard 'hello'
+      @hash['hello'] = 'world'
+
+      @hash.sweep
+      assert_equal({'omg' => 'world', 'hello' => 'world'}, @hash.to_hash)
+    end
+
+    def test_keep_all_sweep
+      @hash['hello'] = 'world'
+      @hash['omg']   = 'world'
+      @hash.discard 'hello'
+      @hash.keep
+
+      @hash.sweep
+      assert_equal({'omg' => 'world', 'hello' => 'world'}, @hash.to_hash)
+    end
+
+    def test_double_sweep
+      @hash['hello'] = 'world'
+      @hash.sweep
+
+      assert_equal({'hello' => 'world'}, @hash.to_hash)
+
+      @hash.sweep
+      assert_equal({}, @hash.to_hash)
+    end
   end
 end

actionpack/test/controller/flash_test.rb

@@ -174,13 +174,13 @@ class FlashTest < ActionController::TestCase
 
     assert_equal(:foo_indeed, flash.discard(:foo)) # valid key passed
     assert_nil flash.discard(:unknown) # non existant key passed
-    assert_equal({:foo => :foo_indeed, :bar => :bar_indeed}, flash.discard().to_hash) # nothing passed
-    assert_equal({:foo => :foo_indeed, :bar => :bar_indeed}, flash.discard(nil).to_hash) # nothing passed
+    assert_equal({"foo" => :foo_indeed, "bar" => :bar_indeed}, flash.discard().to_hash) # nothing passed
+    assert_equal({"foo" => :foo_indeed, "bar" => :bar_indeed}, flash.discard(nil).to_hash) # nothing passed
 
     assert_equal(:foo_indeed, flash.keep(:foo)) # valid key passed
     assert_nil flash.keep(:unknown) # non existant key passed
-    assert_equal({:foo => :foo_indeed, :bar => :bar_indeed}, flash.keep().to_hash) # nothing passed
-    assert_equal({:foo => :foo_indeed, :bar => :bar_indeed}, flash.keep(nil).to_hash) # nothing passed
+    assert_equal({"foo" => :foo_indeed, "bar" => :bar_indeed}, flash.keep().to_hash) # nothing passed
+    assert_equal({"foo" => :foo_indeed, "bar" => :bar_indeed}, flash.keep(nil).to_hash) # nothing passed
   end
 
   def test_redirect_to_with_alert

actionpack/test/dispatch/cookies_test.rb

@@ -63,6 +63,11 @@ class CookiesTest < ActionController::TestCase
       head :ok
     end
 
+    def set_signed_string_cookie
+      cookies.signed[:foo] = 'bar'
+      head :ok
+    end
+
     def raise_data_overflow
       cookies.signed[:foo] = 'bye!' * 1024
       head :ok
@@ -332,6 +337,22 @@ class CookiesTest < ActionController::TestCase
     }
   end
 
+  class ActionDispatch::Session::CustomJsonSerializer
+    def self.load(value)
+      JSON.load(value) + " and loaded"
+    end
+
+    def self.dump(value)
+      JSON.dump(value + " was dumped")
+    end
+  end
+
+  def test_signed_cookie_using_serializer_object
+    @request.env["action_dispatch.session_serializer"] = ActionDispatch::Session::CustomJsonSerializer
+    get :set_signed_string_cookie
+    assert_equal 'bar was dumped and loaded', @controller.send(:cookies).signed[:foo]
+  end
+
   def test_cookie_with_all_domain_option
     get :set_cookie_with_domain
     assert_response :success

activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb

@@ -371,7 +371,7 @@ module ActiveRecord
               begin
                 record.committed!
               rescue Exception => e
-                record.logger.error(e) if record.respond_to?(:logger) && record.logger
+                handle_commit_exceptions(record, e)
               end
             end
           end
@@ -385,6 +385,11 @@ module ActiveRecord
         row = result.rows.first
         row && row.first
       end
+
+      # Handle any exceptions caught trying to send the commit message to a record
+      def handle_commit_exceptions(record, e)
+        record.logger.error(e) if record.respond_to?(:logger) && record.logger
+      end
     end
   end
 end

activerecord/lib/active_record/connection_adapters/abstract/quoting.rb

@@ -100,14 +100,6 @@ module ActiveRecord
       end
 
       def quoted_date(value)
-        if value.acts_like?(:time)
-          zone_conversion_method = ActiveRecord::Base.default_timezone == :utc ? :getutc : :getlocal
-
-          if value.respond_to?(zone_conversion_method)
-            value = value.send(zone_conversion_method)
-          end
-        end
-
         value.to_s(:db)
       end
     end

activerecord/lib/active_record/transactions.rb

@@ -278,7 +278,7 @@ module ActiveRecord
 
     # Call the after_commit callbacks
     def committed! #:nodoc:
-      run_callbacks :commit
+      run_callbacks :commit if destroyed? || persisted?
     ensure
       @_start_transaction_state.clear
     end

activesupport/lib/active_support/core_ext/proc.rb

@@ -1,14 +0,0 @@
-require "active_support/core_ext/kernel/singleton_class"
-
-class Proc #:nodoc:
-  def bind(object)
-    block, time = self, Time.now
-    object.class_eval do
-      method_name = "__bind_#{time.to_i}_#{time.usec}"
-      define_method(method_name, &block)
-      method = instance_method(method_name)
-      remove_method(method_name)
-      method
-    end.bind(object)
-  end
-end

activesupport/lib/active_support/core_ext/time/conversions.rb

@@ -4,7 +4,20 @@ require 'active_support/values/time_zone'
 
 class Time
   DATE_FORMATS = {
-    :db           => "%Y-%m-%d %H:%M:%S",
+    :db           => lambda { |time|
+      time = time.dup.utc.to_time.utc
+
+      if !defined?(ActiveRecord::Base.default_timezone) || ActiveRecord::Base.default_timezone == :local
+        # our DB is in local time (ugh), so make sure the time object is
+        # converted to local time before converting it to a db string
+        #
+        # also we have to do this ridiculous dance to ensure that we can
+        # turn any given DateTime object into something in localtime.
+        time = time.getlocal
+      end
+
+      time.strftime("%Y-%m-%d %H:%M:%S")
+    },
     :number       => "%Y%m%d%H%M%S",
     :time         => "%H:%M",
     :short        => "%d %b %H:%M",

activesupport/lib/active_support/rescuable.rb

@@ -1,6 +1,5 @@
 require 'active_support/concern'
 require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/proc'
 require 'active_support/core_ext/string/inflections'
 require 'active_support/core_ext/array/extract_options'
 
@@ -108,7 +107,11 @@ module ActiveSupport
       when Symbol
         method(rescuer)
       when Proc
-        rescuer.bind(self)
+        if rescuer.arity == 0
+          Proc.new { instance_exec(&rescuer) }
+        else
+          Proc.new { |_exception| instance_exec(_exception, &rescuer) }
+        end
       end
     end
   end

activesupport/lib/active_support/time_with_zone.rb

@@ -338,7 +338,7 @@ module ActiveSupport
         # so transfer time values to a utc constructor if necessary
         @time = transfer_time_values_to_utc_constructor(@time) unless @time.utc?
         begin
-          @time_zone.period_for_local(@time)
+          @time_zone.period_for_local(@time) { |periods| periods.first }
         rescue ::TZInfo::PeriodNotFound
           # time is in the "spring forward" hour gap, so we're moving the time forward one hour and trying again
           @time += 1.hour

activesupport/lib/active_support/values/time_zone.rb

@@ -309,8 +309,8 @@ module ActiveSupport
     end
 
     # Adjust the given time to the simultaneous time in UTC. Returns a Time.utc() instance.
-    def local_to_utc(time, dst=true)
-      tzinfo.local_to_utc(time, dst)
+    def local_to_utc(time, dst=true, &block)
+      tzinfo.local_to_utc(time, dst, &block)
     end
 
     # Available so that TimeZone instances respond like TZInfo::Timezone instances
@@ -319,8 +319,8 @@ module ActiveSupport
     end
 
     # Available so that TimeZone instances respond like TZInfo::Timezone instances
-    def period_for_local(time, dst=true)
-      tzinfo.period_for_local(time, dst)
+    def period_for_local(time, dst=true, &block)
+      tzinfo.period_for_local(time, dst, &block)
     end
 
     def self.find_tzinfo(name)

activesupport/test/core_ext/date_time_ext_test.rb

@@ -3,14 +3,14 @@ require 'active_support/time'
 
 class DateTimeExtCalculationsTest < Test::Unit::TestCase
   def test_to_s
-    datetime = DateTime.new(2005, 2, 21, 14, 30, 0, 0)
+    datetime = Time.new(2005, 2, 21, 14, 30, 0).to_datetime
     assert_equal "2005-02-21 14:30:00",               datetime.to_s(:db)
     assert_equal "14:30",                             datetime.to_s(:time)
     assert_equal "21 Feb 14:30",                      datetime.to_s(:short)
     assert_equal "February 21, 2005 14:30",           datetime.to_s(:long)
-    assert_equal "Mon, 21 Feb 2005 14:30:00 +0000",   datetime.to_s(:rfc822)
+    assert_equal "Mon, 21 Feb 2005 14:30:00 #{datetime.formatted_offset(false)}", datetime.to_s(:rfc822)
     assert_equal "February 21st, 2005 14:30",         datetime.to_s(:long_ordinal)
-    assert_match(/^2005-02-21T14:30:00(Z|\+00:00)$/,  datetime.to_s)
+    assert_equal "2005-02-21T14:30:00#{datetime.formatted_offset(true)}", datetime.to_s
   end
 
   def test_readable_inspect

activesupport/test/core_ext/proc_test.rb

@@ -1,12 +0,0 @@
-require 'abstract_unit'
-require 'active_support/core_ext/proc'
-
-class ProcTests < Test::Unit::TestCase
-  def test_bind_returns_method_with_changed_self
-    block = Proc.new { self }
-    assert_equal self, block.call
-    bound_block = block.bind("hello")
-    assert_not_equal block, bound_block
-    assert_equal "hello", bound_block.call
-  end
-end

activesupport/test/core_ext/range_ext_test.rb

@@ -9,7 +9,7 @@ class RangeTest < Test::Unit::TestCase
   end
 
   def test_to_s_from_times
-    date_range = Time.utc(2005, 12, 10, 15, 30)..Time.utc(2005, 12, 10, 17, 30)
+    date_range = Time.new(2005, 12, 10, 15, 30)..Time.new(2005, 12, 10, 17, 30)
     assert_equal "BETWEEN '2005-12-10 15:30:00' AND '2005-12-10 17:30:00'", date_range.to_s(:db)
   end
   

activesupport/test/core_ext/time_ext_test.rb

@@ -541,7 +541,6 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
     time = Time.utc(2005, 2, 21, 17, 44, 30.12345678901)
     assert_equal time.to_default_s,           time.to_s
     assert_equal time.to_default_s,           time.to_s(:doesnt_exist)
-    assert_equal "2005-02-21 17:44:30",       time.to_s(:db)
     assert_equal "21 Feb 17:44",              time.to_s(:short)
     assert_equal "17:44",                     time.to_s(:time)
     assert_equal "20050221174430",            time.to_s(:number)
@@ -555,6 +554,10 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
       assert_equal "Thu, 05 Feb 2009 14:30:05 -0600", Time.local(2009, 2, 5, 14, 30, 5).to_s(:rfc822)
       assert_equal "Mon, 09 Jun 2008 04:05:01 -0500", Time.local(2008, 6, 9, 4, 5, 1).to_s(:rfc822)
     end
+
+    # this one's a special snowflake because the db time is local
+    time = Time.new(2005, 2, 21, 17, 44, 30.12345678901)
+    assert_equal "2005-02-21 17:44:30",             time.to_s(:db)
   end
 
   def test_custom_date_format

activesupport/test/core_ext/time_with_zone_test.rb

@@ -107,7 +107,8 @@ class TimeWithZoneTest < Test::Unit::TestCase
   end
 
   def test_to_s_db
-    assert_equal '2000-01-01 00:00:00', @twz.to_s(:db)
+    # This test assumes the local timezone of the machine is Pacific.
+    assert_equal '1999-12-31 16:00:00', @twz.to_s(:db)
   end
 
   def test_xmlschema

activesupport/test/time_zone_test.rb

@@ -136,6 +136,17 @@ class TimeZoneTest < Test::Unit::TestCase
     assert_equal 'EDT', twz.zone
   end
 
+  def test_local_handles_non_dst_clock_set_back
+    # If the clocks are set back during a transition from one non-DST observance
+    # to another, the time of the transition will be ambiguous. The earlier
+    # observance will be selected to mirror behaviour of DST to non-DST transitions.
+    # Such a transition occurred at 02:00 local time in Moscow on 26 October 2014.
+    zone = ActiveSupport::TimeZone['Moscow']
+    twz = zone.local(2014,10,26,1)
+    assert_equal Time.utc(2014,10,26,1), twz.time
+    assert_equal Time.utc(2014,10,25,21), twz.utc
+  end
+
   def test_at
     zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
     secs = 946684800.0

railties/lib/rails/application.rb

@@ -181,7 +181,8 @@ module Rails
         "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions,
         "action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local,
         "action_dispatch.logger" => Rails.logger,
-        "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner
+        "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner,
+        "action_dispatch.session_serializer" => config.session_options[:serializer],
       })
     end