Allow for the format of time_tag in AP to be changed via an option argument.

Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

actionpack/lib/action_view/helpers/date_helper.rb

@@ -566,7 +566,7 @@ def select_month(date, options = {}, html_options = {})
       def select_year(date, options = {}, html_options = {})
         DateTimeSelector.new(date, options, html_options).select_year
       end
-      
+
       # Returns an html time tag for the given date or time.
       #
       # ==== Examples
@@ -581,9 +581,11 @@ def select_year(date, options = {}, html_options = {})
       #
       def time_tag(date_or_time, *args)
         options  = args.extract_options!
-        content  = args.first || I18n.l(date_or_time, :format => :long)
+        format   = options.delete(:format) || :long
+        content  = args.first || I18n.l(date_or_time, :format => format)
         datetime = date_or_time.acts_like?(:time) ? date_or_time.xmlschema : date_or_time.rfc3339
-        content_tag :time, content, options.reverse_merge(:datetime => datetime)
+
+        content_tag(:time, content, options.reverse_merge(:datetime => datetime))
       end
     end
 

actionpack/test/template/date_helper_test.rb

@@ -2699,27 +2699,33 @@ def test_object_select_html_safety
     assert date_select("post", "written_on", :default => Time.local(2006, 9, 19, 15, 16, 35), :include_blank => true).html_safe?
     assert time_select("post", "written_on", :ignore_date => true).html_safe?
   end
-    
+
   def test_time_tag_with_date
     date = Date.today
     expected = "<time datetime=\"#{date.rfc3339}\">#{I18n.l(date, :format => :long)}</time>"
     assert_equal expected, time_tag(date)
   end
-  
+
   def test_time_tag_with_time
     time = Time.now
     expected = "<time datetime=\"#{time.xmlschema}\">#{I18n.l(time, :format => :long)}</time>"
     assert_equal expected, time_tag(time)
   end
-    
+
   def test_time_tag_pubdate_option
     assert_match /<time.*pubdate="pubdate">.*<\/time>/, time_tag(Time.now, :pubdate => true)
   end
-    
+
   def test_time_tag_with_given_text
     assert_match /<time.*>Right now<\/time>/, time_tag(Time.now, 'Right now')
   end
-  
+
+  def test_time_tag_with_different_format
+    time = Time.now
+    expected = "<time datetime=\"#{time.xmlschema}\">#{I18n.l(time, :format => :short)}</time>"
+    assert_equal expected, time_tag(time, :format => :short)
+  end
+
   protected
     def with_env_tz(new_tz = 'US/Eastern')
       old_tz, ENV['TZ'] = ENV['TZ'], new_tz