From 91383e04265f41c3a8ae9411b05384b7ef2a36c1 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 29 Mar 2006 20:57:53 +0000
Subject: Added automated timestamping to AssetTagHelper methods for
 stylesheets, javascripts, and images when Action Controller is run under
 Rails [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4098 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/test/template/asset_tag_helper_test.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'actionpack/test/template')

diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index bc7e3e0f7a..b3e062f4c8 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -27,6 +27,11 @@ class AssetTagHelperTest < Test::Unit::TestCase
     ActionView::Helpers::AssetTagHelper::reset_javascript_include_default
   end
 
+  def teardown
+    Object.send(:remove_const, :RAILS_ROOT) if defined?(RAILS_ROOT)
+    ENV["RAILS_ASSET_ID"] = nil
+  end
+
   AutoDiscoveryToTag = {
     %(auto_discovery_link_tag) => %(<link href="http://www.example.com" rel="alternate" title="RSS" type="application/rss+xml" />),
     %(auto_discovery_link_tag(:atom)) => %(<link href="http://www.example.com" rel="alternate" title="ATOM" type="application/atom+xml" />),
@@ -115,6 +120,17 @@ class AssetTagHelperTest < Test::Unit::TestCase
     ImageLinkToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
   
+  def test_timebased_asset_id
+    Object.send(:const_set, :RAILS_ROOT, File.dirname(__FILE__) + "/../fixtures/")
+    expected_time = File.stat(File.expand_path(File.dirname(__FILE__) + "/../fixtures/public/images/rails.png")).mtime.to_i.to_s
+    assert_equal %(<img alt="Rails" src="/images/rails.png?#{expected_time}" />), image_tag("rails.png")
+  end
+  
+  def test_preset_asset_id
+    Object.send(:const_set, :RAILS_ROOT, File.dirname(__FILE__) + "/../fixtures/")
+    ENV["RAILS_ASSET_ID"] = "4500"
+    assert_equal %(<img alt="Rails" src="/images/rails.png?4500" />), image_tag("rails.png")
+  end
 end
 
 class AssetTagHelperNonVhostTest < Test::Unit::TestCase
-- 
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