Date#since, #ago, #beginning_of_day, #end_of_day, #xmlschema return TimeWithZone when Time.zone_default is set

Signed-off-by: Xavier Noria <fxn@hashref.com>

activesupport/lib/active_support/core_ext/date/calculations.rb

@@ -57,19 +57,19 @@ class Date
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   # and then subtracts the specified number of seconds
   def ago(seconds)
-    to_time.since(-seconds)
+    to_time_in_current_zone.since(-seconds)
   end
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   # and then adds the specified number of seconds
   def since(seconds)
-    to_time.since(seconds)
+    to_time_in_current_zone.since(seconds)
   end
   alias :in :since
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the beginning of the day (0:00)
   def beginning_of_day
-    to_time
+    to_time_in_current_zone
   end
   alias :midnight :beginning_of_day
   alias :at_midnight :beginning_of_day
@@ -77,7 +77,7 @@ class Date
 
   # Converts Date to a Time (or DateTime if necessary) with the time portion set to the end of the day (23:59:59)
   def end_of_day
-    to_time.end_of_day
+    to_time_in_current_zone.end_of_day
   end
 
   def plus_with_duration(other) #:nodoc:

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

@@ -81,6 +81,16 @@ class Date
   def to_time(form = :local)
     ::Time.send("#{form}_time", year, month, day)
   end
+  
+  # Converts Date to a TimeWithZone in the current zone if Time.zone_default is set,
+  # otherwise converts Date to a Time via Date#to_time
+  def to_time_in_current_zone
+    if ::Time.zone_default
+      ::Time.zone.local(year, month, day)
+    else
+      to_time
+    end
+  end
 
   # Converts a Date instance to a DateTime, where the time is set to the beginning of the day
   # and UTC offset is set to 0.
@@ -94,6 +104,6 @@ class Date
   end if RUBY_VERSION < '1.9'
 
   def xmlschema
-    to_time.xmlschema
+    to_time_in_current_zone.xmlschema
   end
 end

activesupport/test/core_ext/date_ext_test.rb

@@ -286,19 +286,59 @@ class DateExtCalculationsTest < ActiveSupport::TestCase
   def test_since
     assert_equal Time.local(2005,2,21,0,0,45), Date.new(2005,2,21).since(45)
   end
+  
+  def test_since_when_zone_default_is_set
+    zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
+    with_env_tz 'UTC' do
+      with_tz_default zone do
+        assert_equal zone.local(2005,2,21,0,0,45), Date.new(2005,2,21).since(45)
+        assert_equal zone, Date.new(2005,2,21).since(45).time_zone
+      end
+    end
+  end
 
   def test_ago
     assert_equal Time.local(2005,2,20,23,59,15), Date.new(2005,2,21).ago(45)
   end
+  
+  def test_ago_when_zone_default_is_set
+    zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
+    with_env_tz 'UTC' do
+      with_tz_default zone do
+        assert_equal zone.local(2005,2,20,23,59,15), Date.new(2005,2,21).ago(45)
+        assert_equal zone, Date.new(2005,2,21).ago(45).time_zone
+      end
+    end
+  end
 
   def test_beginning_of_day
     assert_equal Time.local(2005,2,21,0,0,0), Date.new(2005,2,21).beginning_of_day
   end
+  
+  def test_beginning_of_day_when_zone_default_is_set
+    zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
+    with_env_tz 'UTC' do
+      with_tz_default zone do
+        assert_equal zone.local(2005,2,21,0,0,0), Date.new(2005,2,21).beginning_of_day
+        assert_equal zone, Date.new(2005,2,21).beginning_of_day.time_zone
+      end
+    end
+  end
 
   def test_end_of_day
     assert_equal Time.local(2005,2,21,23,59,59,999999.999), Date.new(2005,2,21).end_of_day
   end
-
+  
+  def test_end_of_day_when_zone_default_is_set
+    zone = ActiveSupport::TimeZone['Eastern Time (US & Canada)']
+    with_env_tz 'UTC' do
+      with_tz_default zone do
+        assert_equal zone.local(2005,2,21,23,59,59,999999.999), Date.new(2005,2,21).end_of_day
+        assert_equal zone, Date.new(2005,2,21).end_of_day.time_zone
+      end
+    end
+  end
+  
   def test_xmlschema
     with_env_tz 'US/Eastern' do
       assert_match(/^1980-02-28T00:00:00-05:?00$/, Date.new(1980, 2, 28).xmlschema)
@@ -310,6 +350,15 @@ class DateExtCalculationsTest < ActiveSupport::TestCase
       end
     end
   end
+  
+  def test_xmlschema_when_zone_default_is_set
+    with_env_tz 'UTC' do
+      with_tz_default ActiveSupport::TimeZone['Eastern Time (US & Canada)'] do # UTC -5
+        assert_match(/^1980-02-28T00:00:00-05:?00$/, Date.new(1980, 2, 28).xmlschema)
+        assert_match(/^1980-06-28T00:00:00-04:?00$/, Date.new(1980, 6, 28).xmlschema)
+      end
+    end
+  end
 
   def test_today
     Date.stubs(:current).returns(Date.new(2000, 1, 1))