From aad7fbde68684547959dcccc2102c978d5347a78 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sun, 18 Feb 2007 23:54:20 +0000
Subject: Added caching option to AssetTagHelper#stylesheet_link_tag and
 AssetTagHelper#javascript_include_tag [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6164 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/test/template/asset_tag_helper_test.rb | 124 ++++++++++++++++++++--
 1 file changed, 114 insertions(+), 10 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 33705b8e7c..8b8a426bf6 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -6,7 +6,25 @@ class AssetTagHelperTest < Test::Unit::TestCase
   include ActionView::Helpers::AssetTagHelper
 
   def setup
-    Object.send(:const_set, :RAILS_ROOT, File.dirname(__FILE__) + "/../fixtures/")
+    silence_warnings do
+      ActionView::Helpers::AssetTagHelper.send(
+        :const_set,
+        :JAVASCRIPTS_DIR,
+        File.dirname(__FILE__) + "/../fixtures/public/javascripts"
+      )
+
+      ActionView::Helpers::AssetTagHelper.send(
+        :const_set,
+        :STYLESHEETS_DIR,
+        File.dirname(__FILE__) + "/../fixtures/public/stylesheets"
+      )
+
+      ActionView::Helpers::AssetTagHelper.send(
+        :const_set,
+        :ASSETS_DIR,
+        File.dirname(__FILE__) + "/../fixtures/public"
+      )
+    end
 
     @controller = Class.new do
       attr_accessor :request
@@ -23,7 +41,7 @@ class AssetTagHelperTest < Test::Unit::TestCase
   end
 
   def teardown
-    Object.send(:remove_const, :RAILS_ROOT) if defined?(RAILS_ROOT)
+    ActionController::Base.perform_caching = false
     ENV["RAILS_ASSET_ID"] = nil
   end
 
@@ -53,9 +71,10 @@ class AssetTagHelperTest < Test::Unit::TestCase
     %(javascript_include_tag("xmlhr.js")) => %(<script src="/javascripts/xmlhr.js" type="text/javascript"></script>),
     %(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>),
-    %(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>),
-    %(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>)
+    %(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(: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>)
   }
 
   StylePathToTag = {
@@ -71,6 +90,8 @@ class AssetTagHelperTest < Test::Unit::TestCase
     %(stylesheet_link_tag("/dir/file")) => %(<link href="/dir/file.css" media="screen" rel="Stylesheet" type="text/css" />),
     %(stylesheet_link_tag("dir/file")) => %(<link href="/stylesheets/dir/file.css" media="screen" rel="Stylesheet" type="text/css" />),
     %(stylesheet_link_tag("style", :media => "all")) => %(<link href="/stylesheets/style.css" media="all" rel="Stylesheet" type="text/css" />),
+    %(stylesheet_link_tag(:all)) => %(<link href="/stylesheets/bank.css" media="screen" rel="Stylesheet" type="text/css" />\n<link href="/stylesheets/robber.css" media="screen" rel="Stylesheet" type="text/css" />),
+    %(stylesheet_link_tag(:all, :media => "all")) => %(<link href="/stylesheets/bank.css" media="all" rel="Stylesheet" type="text/css" />\n<link href="/stylesheets/robber.css" media="all" rel="Stylesheet" type="text/css" />),
     %(stylesheet_link_tag("random.styles", "/css/stylish")) => %(<link href="/stylesheets/random.styles" media="screen" rel="Stylesheet" type="text/css" />\n<link href="/css/stylish.css" media="screen" rel="Stylesheet" type="text/css" />),
     %(stylesheet_link_tag("http://www.example.com/styles/style")) => %(<link href="http://www.example.com/styles/style.css" media="screen" rel="Stylesheet" type="text/css" />)
   }
@@ -106,20 +127,19 @@ class AssetTagHelperTest < Test::Unit::TestCase
   end
 
   def test_javascript_include_tag
-    Object.send(:remove_const, :RAILS_ROOT) if defined?(RAILS_ROOT)
+    ENV["RAILS_ASSET_ID"] = ""
     JavascriptIncludeToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
-    Object.send(:const_set, :RAILS_ROOT, File.dirname(__FILE__) + "/../fixtures/")
 
     ENV["RAILS_ASSET_ID"] = "1"
     assert_dom_equal(%(<script src="/javascripts/prototype.js?1" type="text/javascript"></script>\n<script src="/javascripts/effects.js?1" type="text/javascript"></script>\n<script src="/javascripts/dragdrop.js?1" type="text/javascript"></script>\n<script src="/javascripts/controls.js?1" type="text/javascript"></script>\n<script src="/javascripts/application.js?1" type="text/javascript"></script>), javascript_include_tag(:defaults))
   end
 
   def test_register_javascript_include_default
-    Object.send(:remove_const, :RAILS_ROOT) if defined?(RAILS_ROOT)
+    ENV["RAILS_ASSET_ID"] = ""
     ActionView::Helpers::AssetTagHelper::register_javascript_include_default 'slider'
-    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>), javascript_include_tag(:defaults)
+    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/application.js" type="text/javascript"></script>), javascript_include_tag(:defaults)
     ActionView::Helpers::AssetTagHelper::register_javascript_include_default 'lib1', '/elsewhere/blub/lib2'
-    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>), javascript_include_tag(:defaults)
+    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_stylesheet_path
@@ -127,6 +147,7 @@ class AssetTagHelperTest < Test::Unit::TestCase
   end
 
   def test_stylesheet_link_tag
+    ENV["RAILS_ASSET_ID"] = ""
     StyleLinkToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
 
@@ -169,6 +190,89 @@ class AssetTagHelperTest < Test::Unit::TestCase
     image_tag(source)
     assert_equal copy, source
   end
+
+
+  def test_caching_javascript_include_tag_when_caching_on
+    ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.perform_caching = true
+    
+    assert_dom_equal(
+      %(<script src="/javascripts/all.js" type="text/javascript"></script>),
+      javascript_include_tag(:all, :cache => true)
+    )
+
+    assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
+    
+    assert_dom_equal(
+      %(<script src="/javascripts/money.js" type="text/javascript"></script>),
+      javascript_include_tag(:all, :cache => "money")
+    )
+
+    assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.js'))
+  ensure
+    File.delete(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
+    File.delete(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.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>),
+      javascript_include_tag(:all, :cache => true)
+    )
+
+    assert !File.exists?(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>),
+      javascript_include_tag(:all, :cache => "money")
+    )
+
+    assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.js'))
+  end
+
+  def test_caching_stylesheet_link_tag_when_caching_on
+    ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.perform_caching = true
+    
+    assert_dom_equal(
+      %(<link href="/stylesheets/all.css" media="screen" rel="Stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :cache => true)
+    )
+
+    assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
+
+    assert_dom_equal(
+      %(<link href="/stylesheets/money.css" media="screen" rel="Stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :cache => "money")
+    )
+
+    assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
+  ensure
+    File.delete(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
+    File.delete(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
+  end
+  
+  def test_caching_stylesheet_include_tag_when_caching_off
+    ENV["RAILS_ASSET_ID"] = ""
+    ActionController::Base.perform_caching = false
+    
+    assert_dom_equal(
+      %(<link href="/stylesheets/bank.css" media="screen" rel="Stylesheet" type="text/css" />\n<link href="/stylesheets/robber.css" media="screen" rel="Stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :cache => true)
+    )
+
+    assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
+    
+    assert_dom_equal(
+      %(<link href="/stylesheets/bank.css" media="screen" rel="Stylesheet" type="text/css" />\n<link href="/stylesheets/robber.css" media="screen" rel="Stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :cache => "money")
+    )
+
+    assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
+  end
 end
 
 class AssetTagHelperNonVhostTest < Test::Unit::TestCase
-- 
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