Add Bh.form_builder configuration option

lib/bh.rb

@@ -3,7 +3,9 @@
 
 # Bootstrap Helpers
 module Bh
-  mattr_accessor :framework
+  mattr_accessor :framework, :form_builder
+
+  self.form_builder = true
 end
 
 # Always require every generic helper

lib/bh/core_ext/rails/form_for_helper.rb

@@ -26,7 +26,7 @@ def add_form_options!(options)
         options[:html] ||= {}
         options[:html].merge! role: 'form'
         append_class! options[:html], class_for(options[:layout])
-        options.merge! builder: FormBuilder
+        options.merge! builder: FormBuilder if Bh.form_builder
       end
 
       def class_for(layout)

spec/rails/form_for_helper_spec.rb

@@ -47,4 +47,28 @@
       expect(form).to include 'role="form"'
     end
   end
+
+  describe 'form_builder option' do
+    specify 'by default is true' do
+      expect(Bh.form_builder).to eq(true)
+    end
+
+    specify 'when true, uses FormBuilder' do
+      form_for(:object, options.merge(url: '/', layout: :wat)) do |f|
+        expect(f.is_a?(Bh::FormBuilder)).to eq(true)
+      end
+    end
+
+    specify 'when false, does not use FormBuilder' do
+      begin
+        Bh.form_builder = false
+        form_for(:object, options.merge(url: '/', layout: :wat)) do |f|
+          expect(f.is_a?(ActionView::Helpers::FormBuilder)).to eq(true)
+          expect(f.is_a?(Bh::FormBuilder)).to eq(false)
+        end
+      ensure
+        Bh.form_builder = true
+      end
+    end
+  end
 end