From e915379a102b5cecf0a9ffb26236dff3738d4dd7 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Thu, 13 Mar 2008 02:31:45 +0000
Subject: Added ActionView::Helpers::register_javascript/stylesheet_expansion
 to make it easier for plugin developers to inject multiple assets (closes
 #10350) [lotswholetime]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9016 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/test/template/asset_tag_helper_test.rb | 26 +++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'actionpack/test')

diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index ffd1d955e1..6ac6e59a4e 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -175,6 +175,22 @@ class AssetTagHelperTest < Test::Unit::TestCase
     assert_dom_equal  %(<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/slider.js" type="text/javascript"></script>\n<script src="/javascripts/lib1.js" type="text/javascript"></script>\n<script src="/elsewhere/blub/lib2.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>), javascript_include_tag(:defaults)
   end
   
+  def test_custom_javascript_expansions
+    ActionView::Helpers::AssetTagHelper::register_javascript_expansion :monkey => ["head", "body", "tail"]
+    assert_dom_equal  %(<script src="/javascripts/first.js" type="text/javascript"></script>\n<script src="/javascripts/head.js" type="text/javascript"></script>\n<script src="/javascripts/body.js" type="text/javascript"></script>\n<script src="/javascripts/tail.js" type="text/javascript"></script>\n<script src="/javascripts/last.js" type="text/javascript"></script>), javascript_include_tag('first', :monkey, 'last')
+  end
+  
+  def test_custom_javascript_expansions_and_defaults_puts_application_js_at_the_end
+    ENV["RAILS_ASSET_ID"] = ""
+    ActionView::Helpers::AssetTagHelper::register_javascript_expansion :monkey => ["head", "body", "tail"]
+    assert_dom_equal  %(<script src="/javascripts/first.js" type="text/javascript"></script>\n<script src="/javascripts/prototype.js" type="text/javascript"></script>\n<script src="/javascripts/effects.js" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js" type="text/javascript"></script>\n<script src="/javascripts/controls.js" type="text/javascript"></script>\n<script src="/javascripts/head.js" type="text/javascript"></script>\n<script src="/javascripts/body.js" type="text/javascript"></script>\n<script src="/javascripts/tail.js" type="text/javascript"></script>\n<script src="/javascripts/last.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>), javascript_include_tag('first', :defaults, :monkey, 'last')
+  end
+  
+  def test_custom_javascript_expansions_with_undefined_symbol
+    ActionView::Helpers::AssetTagHelper::register_javascript_expansion :monkey => nil
+    assert_raise(ArgumentError) { javascript_include_tag('first', :monkey, 'last') }
+  end
+  
   def test_stylesheet_path
     StylePathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
@@ -188,6 +204,16 @@ class AssetTagHelperTest < Test::Unit::TestCase
     StyleLinkToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
 
+  def test_custom_stylesheet_expansions
+    ActionView::Helpers::AssetTagHelper::register_stylesheet_expansion :monkey => ["head", "body", "tail"]
+    assert_dom_equal  %(<link href="/stylesheets/first.css" media="screen" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/head.css" media="screen" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/body.css" media="screen" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/tail.css" media="screen" rel="stylesheet" type="text/css" />\n<link href="/stylesheets/last.css" media="screen" rel="stylesheet" type="text/css" />), stylesheet_link_tag('first', :monkey, 'last')
+  end
+
+  def test_custom_stylesheet_expansions_with_undefined_symbol
+    ActionView::Helpers::AssetTagHelper::register_stylesheet_expansion :monkey => nil
+    assert_raise(ArgumentError) { stylesheet_link_tag('first', :monkey, 'last') }
+  end
+
   def test_image_path
     ImagePathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
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