From c50b03b754948b676b74c334edfb277fa45c1d14 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Mon, 15 Jun 2009 10:23:23 -0500
Subject: Add :concat option to asset tag helpers to force concatenation.

This is useful for working around IE's stylesheet limit.

  stylesheet_link_tag :all, :concat => true
---
 actionpack/test/template/asset_tag_helper_test.rb | 30 +++++++++++++++++++++++
 1 file changed, 30 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 d586afdef6..f1dad9f50e 100644
--- a/actionpack/test/template/asset_tag_helper_test.rb
+++ b/actionpack/test/template/asset_tag_helper_test.rb
@@ -568,6 +568,36 @@ class AssetTagHelperTest < ActionView::TestCase
     FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::ASSETS_DIR, 'absolute'))
   end
 
+  def test_concat_stylesheet_link_tag_when_caching_off
+    ENV["RAILS_ASSET_ID"] = ""
+
+    assert_dom_equal(
+      %(<link href="/stylesheets/all.css" media="screen" rel="stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :concat => true)
+    )
+
+    expected = Dir["#{ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR}/*.css"].map { |p| File.mtime(p) }.max
+    assert_equal expected, File.mtime(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, :concat => "money")
+    )
+
+    assert File.exist?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
+
+    assert_dom_equal(
+      %(<link href="/absolute/test.css" media="screen" rel="stylesheet" type="text/css" />),
+      stylesheet_link_tag(:all, :concat => "/absolute/test")
+    )
+
+    assert File.exist?(File.join(ActionView::Helpers::AssetTagHelper::ASSETS_DIR, 'absolute', 'test.css'))
+  ensure
+    FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
+    FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
+    FileUtils.rm_f(File.join(ActionView::Helpers::AssetTagHelper::ASSETS_DIR, 'absolute'))
+  end
+
   def test_caching_stylesheet_link_tag_when_caching_on_with_proc_asset_host
     ENV["RAILS_ASSET_ID"] = ""
     ActionController::Base.asset_host = Proc.new { |source| "http://a#{source.length}.example.com" }
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