From 0a352056a4055c170e62a521267f5bc51c6659a0 Mon Sep 17 00:00:00 2001
From: wycats <wycats@gmail.com>
Date: Sat, 27 Mar 2010 03:09:33 -0700
Subject: Fixes a bug where error_messages_for was returning an empty div
 [#4048 state:resolved] (ht: Geoff Garside)

---
 actionpack/test/template/active_model_helper_test.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'actionpack/test')

diff --git a/actionpack/test/template/active_model_helper_test.rb b/actionpack/test/template/active_model_helper_test.rb
index 71c7d5b621..7a665b00bc 100644
--- a/actionpack/test/template/active_model_helper_test.rb
+++ b/actionpack/test/template/active_model_helper_test.rb
@@ -266,6 +266,10 @@ class ActiveModelHelperTest < ActionView::TestCase
     assert_dom_equal "<div class=\"differentError\">beforecan't be emptyafter</div>", error_message_on(:post, :author_name, :css_class => 'differentError', :prepend_text => 'before', :append_text => 'after')
   end
 
+  def test_error_message_on_handles_empty_errors
+    assert_equal "", error_message_on(@post, :tag)
+  end
+
   def test_error_messages_for_many_objects
     assert_dom_equal %(<div class="errorExplanation" id="errorExplanation"><h2>2 errors prohibited this post from being saved</h2><p>There were problems with the following fields:</p><ul><li>Author name can't be empty</li><li>User email can't be empty</li></ul></div>), error_messages_for("post", "user")
 
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