From eb5b63cd460778e639c0f109eb20a24503be7b58 Mon Sep 17 00:00:00 2001
From: Lucas Mazza <lucas.mazza@plataformatec.com.br>
Date: Tue, 10 Dec 2013 14:29:37 -0200
Subject: [PATCH] Don't render the `boolean_style` as an HTML attribute on
 `input_field`.

---
 README.md                             | 2 +-
 lib/simple_form/form_builder.rb       | 2 +-
 test/form_builder/input_field_test.rb | 8 ++++++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 741d2aad..f8273e36 100644
--- a/README.md
+++ b/README.md
@@ -279,7 +279,7 @@ end
   ...
   <input class="string required" id="user_name" maxlength="255" name="user[name]" size="255" type="text">
   <input name="user[remember_me]" type="hidden" value="0">
-  <input boolean_style="inline" class="boolean optional" id="user_remember_me" name="user[remember_me]" type="checkbox" value="1">
+  <input class="boolean optional" id="user_remember_me" name="user[remember_me]" type="checkbox" value="1">
 </form>
 ```
 
diff --git a/lib/simple_form/form_builder.rb b/lib/simple_form/form_builder.rb
index 44ae509e..420c44aa 100644
--- a/lib/simple_form/form_builder.rb
+++ b/lib/simple_form/form_builder.rb
@@ -137,7 +137,7 @@ module SimpleForm
     #
     def input_field(attribute_name, options={})
       options = options.dup
-      options[:input_html] = options.except(:as, :collection, :label_method, :value_method, *ATTRIBUTE_COMPONENTS)
+      options[:input_html] = options.except(:as, :boolean_style, :collection, :label_method, :value_method, *ATTRIBUTE_COMPONENTS)
       options = @defaults.deep_dup.deep_merge(options) if @defaults
 
       SimpleForm::Wrappers::Root.new(ATTRIBUTE_COMPONENTS + [:input], wrapper: false).render find_input(attribute_name, options)
diff --git a/test/form_builder/input_field_test.rb b/test/form_builder/input_field_test.rb
index 755ad85b..bccd28a3 100644
--- a/test/form_builder/input_field_test.rb
+++ b/test/form_builder/input_field_test.rb
@@ -122,4 +122,12 @@ class InputFieldTest < ActionView::TestCase
     assert_no_select 'select.status[label_method]'
     assert_no_select 'select.status[value_method]'
   end
+
+  test 'build input_field does not treat "boolean_style" as an HTML attribute' do
+    with_concat_form_for(@user) do |f|
+      f.input_field :active, boolean_style: :nested
+    end
+
+    assert_no_select 'input.boolean[boolean_style]'
+  end
 end