fetch value(s) from stringified options

actionview/CHANGELOG.md

+*   Pick `DateField` `DateTimeField` and `ColorField` values from stringified options allowing use of symbol keys with helpers.
+
+    *Jon Rowe*
+
 *   Remove the deprecated `prompt` argument from `grouped_options_for_select`,
     pass in a `:prompt` hash option to use this feature.
 

actionview/lib/action_view/helpers/tags/color_field.rb

@@ -4,7 +4,7 @@ module Tags # :nodoc:
       class ColorField < TextField # :nodoc:
         def render
           options = @options.stringify_keys
-          options["value"] = @options.fetch("value") { validate_color_string(value(object)) }
+          options["value"] = options.fetch("value") { validate_color_string(value(object)) }
           @options = options
           super
         end

actionview/lib/action_view/helpers/tags/datetime_field.rb

@@ -4,7 +4,7 @@ module Tags # :nodoc:
       class DatetimeField < TextField # :nodoc:
         def render
           options = @options.stringify_keys
-          options["value"] = @options.fetch("value") { format_date(value(object)) }
+          options["value"] = options.fetch("value") { format_date(value(object)) }
           options["min"] = format_date(options["min"])
           options["max"] = format_date(options["max"])
           @options = options

actionview/test/template/form_helper_test.rb

@@ -702,6 +702,11 @@ def test_color_field_with_invalid_hex_color_string
     assert_dom_equal(expected, color_field("car", "color"))
   end
 
+  def test_color_field_with_value_attr
+    expected = %{<input id="car_color" name="car[color]" type="color" value="#00FF00" />}
+    assert_dom_equal(expected, color_field("car", "color", value: "#00FF00"))
+  end
+
   def test_search_field
     expected = %{<input id="contact_notes_query" name="contact[notes_query]" type="search" />}
     assert_dom_equal(expected, search_field("contact", "notes_query"))
@@ -732,6 +737,12 @@ def test_date_field_with_extra_attrs
     assert_dom_equal(expected, date_field("post", "written_on", min: min_value, max: max_value, step: step))
   end
 
+  def test_date_field_with_value_attr
+    expected = %{<input id="post_written_on" name="post[written_on]" type="date" value="2013-06-29" />}
+    value = Date.new(2013,6,29)
+    assert_dom_equal(expected, date_field("post", "written_on", value: value))
+  end
+
   def test_date_field_with_timewithzone_value
     previous_time_zone, Time.zone = Time.zone, 'UTC'
     expected = %{<input id="post_written_on" name="post[written_on]" type="date" value="2004-06-15" />}
@@ -802,6 +813,12 @@ def test_datetime_field_with_extra_attrs
     assert_dom_equal(expected, datetime_field("post", "written_on", min: min_value, max: max_value, step: step))
   end
 
+  def test_datetime_field_with_value_attr
+    expected = %{<input id="post_written_on" name="post[written_on]" type="datetime" value="2013-06-29T13:37:00+00:00" />}
+    value = DateTime.new(2013,6,29,13,37)
+    assert_dom_equal(expected, datetime_field("post", "written_on", value: value))
+  end
+
   def test_datetime_field_with_timewithzone_value
     previous_time_zone, Time.zone = Time.zone, 'UTC'
     expected = %{<input id="post_written_on" name="post[written_on]" type="datetime" value="2004-06-15T15:30:45.000+0000" />}