From 459cc1ecb84aea273ecf8183fb791f61e26c19b0 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Sun, 7 Oct 2007 19:50:30 +0000
Subject: error_messages_for and friends also work with local variables. Closes
 #9699.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7779 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../test/template/active_record_helper_test.rb     | 23 +++++++++++++++++++++-
 actionpack/test/template/form_helper_test.rb       | 19 ++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)

(limited to 'actionpack/test')

diff --git a/actionpack/test/template/active_record_helper_test.rb b/actionpack/test/template/active_record_helper_test.rb
index 4a85ae1751..4630cbc1f3 100644
--- a/actionpack/test/template/active_record_helper_test.rb
+++ b/actionpack/test/template/active_record_helper_test.rb
@@ -181,6 +181,11 @@ class ActiveRecordHelperTest < Test::Unit::TestCase
     assert_dom_equal "<div class=\"formError\">can't be empty</div>", error_message_on(:post, :author_name)
   end
 
+  def test_error_message_on_no_instance_variable
+    other_post = @post
+    assert_dom_equal "<div class=\"formError\">can't be empty</div>", error_message_on(other_post, :author_name)
+  end
+  
   def test_error_message_on_should_use_options
     assert_dom_equal "<div class=\"differentError\">beforecan't be emptyafter</div>", error_message_on(:post, :author_name, "before", "after", "differentError")
   end
@@ -203,7 +208,23 @@ class ActiveRecordHelperTest < Test::Unit::TestCase
     # should space object name
     assert_dom_equal %(<div class="errorExplanation" id="errorExplanation"><h2>2 errors prohibited this chunky bacon from being saved</h2><p>There were problems with the following fields:</p><ul><li>User email can't be empty</li><li>Author name can't be empty</li></ul></div>), error_messages_for(:user, :post, :object_name => "chunky_bacon")
   end
-
+  
+  def test_error_messages_for_non_instance_variable
+    actual_user = @user
+    actual_post = @post
+    @user = nil
+    @post = nil
+
+  #explicitly set object
+    assert_dom_equal %(<div class="errorExplanation" id="errorExplanation"><h2>1 error 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></ul></div>), error_messages_for("post", :object => actual_post)
+      
+  #multiple objects
+    assert_dom_equal %(<div class="errorExplanation" id="errorExplanation"><h2>2 errors prohibited this user from being saved</h2><p>There were problems with the following fields:</p><ul><li>User email can't be empty</li><li>Author name can't be empty</li></ul></div>), error_messages_for("user", "post", :object => [actual_user, actual_post])
+    
+  #nil object
+    assert_equal '', error_messages_for('user', :object => nil)
+  end
+  
   def test_form_with_string_multipart
     assert_dom_equal(
       %(<form action="create" enctype="multipart/form-data" method="post"><p><label for="post_title">Title</label><br /><input id="post_title" name="post[title]" size="30" type="text" value="Hello World" /></p>\n<p><label for="post_body">Body</label><br /><div class="fieldWithErrors"><textarea cols="40" id="post_body" name="post[body]" rows="20">Back to the hill and over it again!</textarea></div></p><input name="commit" type="submit" value="Create" /></form>),
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 1c842fc307..32529c66f7 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -527,6 +527,25 @@ class FormHelperTest < Test::Unit::TestCase
     assert_dom_equal expected, _erbout
 
   end
+  
+  def test_default_form_builder_no_instance_variable
+    post = @post
+    @post = nil
+    
+    _erbout = '' 
+    form_for(:post, post) do |f|
+       _erbout.concat f.error_message_on('author_name')
+       _erbout.concat f.error_messages
+    end    
+    
+    expected = %(<form action='http://www.example.com' method='post'>) + 
+               %(<div class='formError'>can't be empty</div>) + 
+               %(<div class="errorExplanation" id="errorExplanation"><h2>1 error 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></ul></div>) +
+               %(</form>)
+    
+    assert_dom_equal expected, _erbout
+    
+  end
 
   # Perhaps this test should be moved to prototype helper tests.
   def test_remote_form_for_with_labelled_builder
-- 
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