Ensure uuid fields are generated with type=text

CHANGELOG.md

@@ -1,3 +1,6 @@
+### bug fix
+  * Fix `uuid` input to generate proper input[type=text].
+
 ## 3.1.0.rc2
 
 ### enhancements

lib/simple_form/inputs/string_input.rb

@@ -6,7 +6,7 @@ module SimpleForm
       def input(wrapper_options = nil)
         unless string?
           input_html_classes.unshift("string")
-          input_html_options[:type] ||= input_type if html5?
+          input_html_options[:type] ||= input_type if html5? && !postgresql_type?
         end
 
         merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)
@@ -16,6 +16,10 @@ module SimpleForm
 
       private
 
+      def postgresql_type?
+        input_type == :uuid
+      end
+
       def string?
         input_type == :string
       end

test/form_builder/general_test.rb

@@ -126,9 +126,9 @@ class FormBuilderTest < ActionView::TestCase
     assert_select 'form input#user_credit_limit.numeric.decimal'
   end
 
-  test 'builder generates uuid fields for uuid columns' do
+  test 'builder generates text fields for uuid columns' do
     with_form_for @user, :uuid
-    assert_select 'form input#user_uuid.string.uuid'
+    assert_select 'form input[type=text]#user_uuid.string.uuid'
   end
 
   test 'builder generates password fields for columns that matches password' do