From 3d1d422b8be027417cb640416d154171e75f03d1 Mon Sep 17 00:00:00 2001
From: Eloy Duran <eloy.de.enige@gmail.com>
Date: Thu, 26 Feb 2009 12:26:17 +0100
Subject: Pass a custom form builder on to nested fields_for calls. [#2023
 status:committed]

Signed-off-by: David Heinemeier Hansson <david@loudthinking.com>
---
 actionpack/test/template/form_helper_test.rb | 41 ++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'actionpack/test')

diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 5cc81b4afb..654eee40a3 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -1001,6 +1001,47 @@ class FormHelperTest < ActionView::TestCase
     assert_dom_equal expected, output_buffer
   end
 
+  def test_form_for_with_labelled_builder_with_nested_fields_for_without_options_hash
+    klass = nil
+
+    form_for(:post, @post, :builder => LabelledFormBuilder) do |f|
+      f.fields_for(:comments, Comment.new) do |nested_fields|
+        klass = nested_fields.class
+        ''
+      end
+    end
+
+    assert_equal LabelledFormBuilder, klass
+  end
+
+  def test_form_for_with_labelled_builder_with_nested_fields_for_with_options_hash
+    klass = nil
+
+    form_for(:post, @post, :builder => LabelledFormBuilder) do |f|
+      f.fields_for(:comments, Comment.new, :index => 'foo') do |nested_fields|
+        klass = nested_fields.class
+        ''
+      end
+    end
+
+    assert_equal LabelledFormBuilder, klass
+  end
+
+  class LabelledFormBuilderSubclass < LabelledFormBuilder; end
+
+  def test_form_for_with_labelled_builder_with_nested_fields_for_with_custom_builder
+    klass = nil
+
+    form_for(:post, @post, :builder => LabelledFormBuilder) do |f|
+      f.fields_for(:comments, Comment.new, :builder => LabelledFormBuilderSubclass) do |nested_fields|
+        klass = nested_fields.class
+        ''
+      end
+    end
+
+    assert_equal LabelledFormBuilderSubclass, klass
+  end
+
   def test_form_for_with_html_options_adds_options_to_form_tag
     form_for(:post, @post, :html => {:id => 'some_form', :class => 'some_class'}) do |f| end
     expected = "<form action=\"http://www.example.com\" class=\"some_class\" id=\"some_form\" method=\"post\"></form>"
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