From b17b980a15ee4a5f2f629d91c6fa6ca7db74daa8 Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Thu, 16 Sep 2010 23:31:57 -0700
Subject: file_field makes the enclosing form multipart

---
 actionpack/test/template/form_helper_test.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'actionpack/test')

diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 97a08d45ba..348aa208c7 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -665,6 +665,24 @@ class FormHelperTest < ActionView::TestCase
     assert_dom_equal expected, output_buffer
   end
 
+  def test_form_for_with_file_field_generate_multipart
+    Post.send :attr_accessor, :file
+
+    assert_deprecated do
+      form_for(:post, @post, :html => { :id => 'create-post' }) do |f|
+        concat f.file_field(:file)
+      end
+    end
+
+    expected =
+      "<form accept-charset='UTF-8' action='/' id='create-post' method='post' enctype='multipart/form-data'>" +
+      snowman +
+      "<input name='post[file]' type='file' id='post_file' />" +
+      "</form>"
+
+    assert_dom_equal expected, output_buffer
+  end
+
   def test_form_for_with_format
     form_for(@post, :format => :json, :html => { :id => "edit_post_123", :class => "edit_post" }) do |f|
       concat f.label(:title)
-- 
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