add custom_control (#289)

* add custom_control

* simplify custom_control implementation

* make danger happy

CHANGELOG.md

@@ -5,6 +5,7 @@ Bugfixes:
 
 Features:
   - Your contribution here!
+  - Add a FormBuilder#custom_control helper [#289](https://github.com/bootstrap-ruby/rails-bootstrap-forms/pull/289)
 
 ## [2.5.3][] (2016-12-23)
 

lib/bootstrap_form/helpers/bootstrap.rb

@@ -59,6 +59,13 @@ def static_control(*args, &block)
         end
       end
 
+      def custom_control(*args, &block)
+        options = args.extract_options!
+        name = args.first
+
+        form_group_builder(name, options, &block)
+      end
+
       def prepend_and_append_input(options, &block)
         options = options.extract!(:prepend, :append, :input_group_class)
         input_group_class = ["input-group", options[:input_group_class]].compact.join(' ')

test/bootstrap_other_components_test.rb

@@ -32,6 +32,33 @@ def setup
     assert_equivalent_xml expected, output
   end
 
+  test "custom control does't wrap given block in a p tag" do
+    output = @horizontal_builder.custom_control :email do
+      "this is a test"
+    end
+
+    expected = %{<div class="form-group"><label class="control-label col-sm-2 required" for="user_email">Email</label><div class="col-sm-10">this is a test</div></div>}
+    assert_equal expected, output
+  end
+
+  test "custom control doesn't require an actual attribute" do
+    output = @horizontal_builder.custom_control nil, label: "My Label" do
+      "this is a test"
+    end
+
+    expected = %{<div class="form-group"><label class="control-label col-sm-2" for="user_">My Label</label><div class="col-sm-10">this is a test</div></div>}
+    assert_equal expected, output
+  end
+
+  test "custom control doesn't require a name" do
+    output = @horizontal_builder.custom_control label: "Custom Label" do
+      "Custom Control"
+    end
+
+    expected = %{<div class="form-group"><label class="control-label col-sm-2" for="user_">Custom Label</label><div class="col-sm-10">Custom Control</div></div>}
+    assert_equal expected, output
+  end
+
   test "submit button defaults to rails action name" do
     expected = %{<input class="btn btn-default" name="commit" type="submit" value="Create User" />}
     assert_equivalent_xml expected, @builder.submit