From bd940d98bd417da7cb0a815a1c02aef500c8b2db Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Thu, 20 Mar 2008 16:26:04 +0000
Subject: Re-added
 ActionView::Helpers::register_javascript/stylesheet_expansion to make it
 easier for plugin developers to inject multiple assets. Closes #10350.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9065 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/test/template/asset_tag_helper_test.rb | 53 +++++++++++++++++++++--
 1 file changed, 50 insertions(+), 3 deletions(-)

(limited to 'actionpack/test/template/asset_tag_helper_test.rb')

diff --git a/actionpack/test/template/asset_tag_helper_test.rb b/actionpack/test/template/asset_tag_helper_test.rb
index ffd1d955e1..be605329fc 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -84,7 +84,7 @@ class AssetTagHelperTest < Test::Unit::TestCase
     %(javascript_include_tag("xmlhr", :lang => "vbscript")) => %(<script lang="vbscript" src="/javascripts/xmlhr.js" type="text/javascript"></script>),
     %(javascript_include_tag("common.javascript", "/elsewhere/cools")) => %(<script src="/javascripts/common.javascript" type="text/javascript"></script>\n<script src="/elsewhere/cools.js" type="text/javascript"></script>),
     %(javascript_include_tag(:defaults)) => %(<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/application.js" type="text/javascript"></script>),
-    %(javascript_include_tag(:all)) => %(<script src="/javascripts/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
+    %(javascript_include_tag(:all)) => %(<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/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
     %(javascript_include_tag(:defaults, "test")) => %(<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/test.js" type="text/javascript"></script>\n<script src="/javascripts/application.js" type="text/javascript"></script>),
     %(javascript_include_tag("test", :defaults)) => %(<script src="/javascripts/test.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/application.js" type="text/javascript"></script>)
   }
@@ -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
@@ -319,19 +345,40 @@ class AssetTagHelperTest < Test::Unit::TestCase
     FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'cache', 'money.js'))
   end
   
+  def test_caching_javascript_include_tag_with_all_puts_defaults_at_the_start_of_the_file
+    ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.asset_host = 'http://a0.example.com'
+    ActionController::Base.perform_caching = true
+
+    assert_dom_equal(
+      %(<script src="http://a0.example.com/javascripts/combined.js" type="text/javascript"></script>),
+      javascript_include_tag(:all, :cache => "combined")
+    )
+
+    assert File.exist?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'combined.js'))
+
+    assert_equal(
+      %(// prototype js\n\n// effects js\n\n// dragdrop js\n\n// controls js\n\n// application js\n\n// bank js\n\n// robber js),
+      IO.read(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'combined.js'))
+    )
+
+  ensure
+    FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'combined.js'))
+  end
+
   def test_caching_javascript_include_tag_when_caching_off
     ENV["RAILS_ASSET_ID"] = ""
     ActionController::Base.perform_caching = false
     
     assert_dom_equal(
-      %(<script src="/javascripts/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
+      %(<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/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
       javascript_include_tag(:all, :cache => true)
     )
 
     assert !File.exist?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
     
     assert_dom_equal(
-      %(<script src="/javascripts/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
+      %(<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/application.js" type="text/javascript"></script>\n<script src="/javascripts/bank.js" type="text/javascript"></script>\n<script src="/javascripts/robber.js" type="text/javascript"></script>),
       javascript_include_tag(:all, :cache => "money")
     )
 
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