vendor/rails/actionpack/test/template/asset_tag_helper_test.rb

   1 require "#{File.dirname(__FILE__)}/../abstract_unit"
   2
   3 class AssetTagHelperTest < Test::Unit::TestCase
   4   include ActionView::Helpers::TagHelper
   5   include ActionView::Helpers::UrlHelper
   6   include ActionView::Helpers::AssetTagHelper
   7
   8   def setup
   9     silence_warnings do
  10       ActionView::Helpers::AssetTagHelper.send(
  11         :const_set,
  12         :JAVASCRIPTS_DIR,
  13         File.dirname(__FILE__) + "/../fixtures/public/javascripts"
  14       )
  15
  16       ActionView::Helpers::AssetTagHelper.send(
  17         :const_set,
  18         :STYLESHEETS_DIR,
  19         File.dirname(__FILE__) + "/../fixtures/public/stylesheets"
  20       )
  21
  22       ActionView::Helpers::AssetTagHelper.send(
  23         :const_set,
  24         :ASSETS_DIR,
  25         File.dirname(__FILE__) + "/../fixtures/public"
  26       )
  27     end
  28
  29     @controller = Class.new do
  30       attr_accessor :request
  31       def url_for(*args) "http://www.example.com" end
  32     end.new
  33
  34     @request = Class.new do
  35       def relative_url_root() "" end
  36       def protocol() 'http://' end
  37     end.new
  38
  39     @controller.request = @request
  40
  41     ActionView::Helpers::AssetTagHelper::reset_javascript_include_default
  42
  43     ActionView::Base.computed_public_paths.clear
  44   end
  45
  46   def teardown
  47     ActionController::Base.perform_caching = false
  48     ActionController::Base.asset_host = nil
  49     ENV["RAILS_ASSET_ID"] = nil
  50   end
  51
  52   AutoDiscoveryToTag = {
  53     %(auto_discovery_link_tag) => %(<link href="http://www.example.com" rel="alternate" title="RSS" type="application/rss+xml" />),
  54     %(auto_discovery_link_tag(:rss)) => %(<link href="http://www.example.com" rel="alternate" title="RSS" type="application/rss+xml" />),
  55     %(auto_discovery_link_tag(:atom)) => %(<link href="http://www.example.com" rel="alternate" title="ATOM" type="application/atom+xml" />),
  56     %(auto_discovery_link_tag(:xml)) => %(<link href="http://www.example.com" rel="alternate" title="XML" type="application/xml" />),
  57     %(auto_discovery_link_tag(:rss, :action => "feed")) => %(<link href="http://www.example.com" rel="alternate" title="RSS" type="application/rss+xml" />),
  58     %(auto_discovery_link_tag(:rss, "http://localhost/feed")) => %(<link href="http://localhost/feed" rel="alternate" title="RSS" type="application/rss+xml" />),
  59     %(auto_discovery_link_tag(:rss, {:action => "feed"}, {:title => "My RSS"})) => %(<link href="http://www.example.com" rel="alternate" title="My RSS" type="application/rss+xml" />),
  60     %(auto_discovery_link_tag(:rss, {}, {:title => "My RSS"})) => %(<link href="http://www.example.com" rel="alternate" title="My RSS" type="application/rss+xml" />),
  61     %(auto_discovery_link_tag(nil, {}, {:type => "text/html"})) => %(<link href="http://www.example.com" rel="alternate" title="" type="text/html" />),
  62     %(auto_discovery_link_tag(nil, {}, {:title => "No stream.. really", :type => "text/html"})) => %(<link href="http://www.example.com" rel="alternate" title="No stream.. really" type="text/html" />),
  63     %(auto_discovery_link_tag(:rss, {}, {:title => "My RSS", :type => "text/html"})) => %(<link href="http://www.example.com" rel="alternate" title="My RSS" type="text/html" />),
  64     %(auto_discovery_link_tag(:atom, {}, {:rel => "Not so alternate"})) => %(<link href="http://www.example.com" rel="Not so alternate" title="ATOM" type="application/atom+xml" />),
  65   }
  66
  67   JavascriptPathToTag = {
  68     %(javascript_path("xmlhr")) => %(/javascripts/xmlhr.js),
  69     %(javascript_path("super/xmlhr")) => %(/javascripts/super/xmlhr.js),
  70     %(javascript_path("/super/xmlhr.js")) => %(/super/xmlhr.js)
  71   }
  72
  73   PathToJavascriptToTag = {
  74     %(path_to_javascript("xmlhr")) => %(/javascripts/xmlhr.js),
  75     %(path_to_javascript("super/xmlhr")) => %(/javascripts/super/xmlhr.js),
  76     %(path_to_javascript("/super/xmlhr.js")) => %(/super/xmlhr.js)
  77   }
  78
  79   JavascriptIncludeToTag = {
  80     %(javascript_include_tag("xmlhr")) => %(<script src="/javascripts/xmlhr.js" type="text/javascript"></script>),
  81     %(javascript_include_tag("xmlhr.js")) => %(<script src="/javascripts/xmlhr.js" type="text/javascript"></script>),
  82     %(javascript_include_tag("xmlhr", :lang => "vbscript")) => %(<script lang="vbscript" src="/javascripts/xmlhr.js" type="text/javascript"></script>),
  83     %(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>),
  84     %(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>),
  85     %(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>),
  86     %(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>),
  87     %(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>)
  88   }
  89
  90   StylePathToTag = {
  91     %(stylesheet_path("style")) => %(/stylesheets/style.css),
  92     %(stylesheet_path("style.css")) => %(/stylesheets/style.css),
  93     %(stylesheet_path('dir/file')) => %(/stylesheets/dir/file.css),
  94     %(stylesheet_path('/dir/file.rcss')) => %(/dir/file.rcss)
  95   }
  96
  97   PathToStyleToTag = {
  98     %(path_to_stylesheet("style")) => %(/stylesheets/style.css),
  99     %(path_to_stylesheet("style.css")) => %(/stylesheets/style.css),
 100     %(path_to_stylesheet('dir/file')) => %(/stylesheets/dir/file.css),
 101     %(path_to_stylesheet('/dir/file.rcss')) => %(/dir/file.rcss)
 102   }
 103
 104   StyleLinkToTag = {
 105     %(stylesheet_link_tag("style")) => %(<link href="/stylesheets/style.css" media="screen" rel="stylesheet" type="text/css" />),
 106     %(stylesheet_link_tag("style.css")) => %(<link href="/stylesheets/style.css" media="screen" rel="stylesheet" type="text/css" />),
 107     %(stylesheet_link_tag("/dir/file")) => %(<link href="/dir/file.css" media="screen" rel="stylesheet" type="text/css" />),
 108     %(stylesheet_link_tag("dir/file")) => %(<link href="/stylesheets/dir/file.css" media="screen" rel="stylesheet" type="text/css" />),
 109     %(stylesheet_link_tag("style", :media => "all")) => %(<link href="/stylesheets/style.css" media="all" rel="stylesheet" type="text/css" />),
 110     %(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" />),
 111     %(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" />),
 112     %(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" />),
 113     %(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" />)
 114   }
 115
 116   ImagePathToTag = {
 117     %(image_path("xml"))          => %(/images/xml),
 118     %(image_path("xml.png"))      => %(/images/xml.png),
 119     %(image_path("dir/xml.png"))  => %(/images/dir/xml.png),
 120     %(image_path("/dir/xml.png")) => %(/dir/xml.png)
 121   }
 122
 123   PathToImageToTag = {
 124     %(path_to_image("xml"))          => %(/images/xml),
 125     %(path_to_image("xml.png"))      => %(/images/xml.png),
 126     %(path_to_image("dir/xml.png"))  => %(/images/dir/xml.png),
 127     %(path_to_image("/dir/xml.png")) => %(/dir/xml.png)
 128   }
 129
 130   ImageLinkToTag = {
 131     %(image_tag("xml.png")) => %(<img alt="Xml" src="/images/xml.png" />),
 132     %(image_tag("rss.gif", :alt => "rss syndication")) => %(<img alt="rss syndication" src="/images/rss.gif" />),
 133     %(image_tag("gold.png", :size => "45x70")) => %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />),
 134     %(image_tag("gold.png", "size" => "45x70")) => %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />),
 135     %(image_tag("error.png", "size" => "45")) => %(<img alt="Error" src="/images/error.png" />),
 136     %(image_tag("error.png", "size" => "45 x 70")) => %(<img alt="Error" src="/images/error.png" />),
 137     %(image_tag("error.png", "size" => "x")) => %(<img alt="Error" src="/images/error.png" />),
 138     %(image_tag("http://www.rubyonrails.com/images/rails.png")) => %(<img alt="Rails" src="http://www.rubyonrails.com/images/rails.png" />),
 139     %(image_tag("http://www.rubyonrails.com/images/rails.png")) => %(<img alt="Rails" src="http://www.rubyonrails.com/images/rails.png" />),
 140     %(image_tag("mouse.png", :mouseover => "/images/mouse_over.png")) => %(<img alt="Mouse" onmouseover="this.src='/images/mouse_over.png'" onmouseout="this.src='/images/mouse.png'" src="/images/mouse.png" />),
 141     %(image_tag("mouse.png", :mouseover => image_path("mouse_over.png"))) => %(<img alt="Mouse" onmouseover="this.src='/images/mouse_over.png'" onmouseout="this.src='/images/mouse.png'" src="/images/mouse.png" />)
 142   }
 143
 144
 145   def test_auto_discovery_link_tag
 146     AutoDiscoveryToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 147   end
 148
 149   def test_javascript_path
 150     JavascriptPathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 151   end
 152
 153   def test_path_to_javascript_alias_for_javascript_path
 154     PathToJavascriptToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 155   end
 156
 157   def test_javascript_include_tag
 158     ENV["RAILS_ASSET_ID"] = ""
 159     JavascriptIncludeToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 160
 161     ActionView::Base.computed_public_paths.clear
 162
 163     ENV["RAILS_ASSET_ID"] = "1"
 164     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))
 165   end
 166
 167   def test_register_javascript_include_default
 168     ENV["RAILS_ASSET_ID"] = ""
 169     ActionView::Helpers::AssetTagHelper::register_javascript_include_default 'slider'
 170     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)
 171     ActionView::Helpers::AssetTagHelper::register_javascript_include_default 'lib1', '/elsewhere/blub/lib2'
 172     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)
 173   end
 174
 175   def test_stylesheet_path
 176     StylePathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 177   end
 178
 179   def test_path_to_stylesheet_alias_for_stylesheet_path
 180     PathToStyleToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 181   end
 182
 183   def test_stylesheet_link_tag
 184     ENV["RAILS_ASSET_ID"] = ""
 185     StyleLinkToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 186   end
 187
 188   def test_image_path
 189     ImagePathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 190   end
 191
 192   def test_path_to_image_alias_for_image_path
 193     PathToImageToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 194   end
 195
 196   def test_image_tag
 197     ImageLinkToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
 198   end
 199
 200   def test_timebased_asset_id
 201     expected_time = File.stat(File.expand_path(File.dirname(__FILE__) + "/../fixtures/public/images/rails.png")).mtime.to_i.to_s
 202     assert_equal %(<img alt="Rails" src="/images/rails.png?#{expected_time}" />), image_tag("rails.png")
 203   end
 204
 205   def test_should_skip_asset_id_on_complete_url
 206     assert_equal %(<img alt="Rails" src="http://www.example.com/rails.png" />), image_tag("http://www.example.com/rails.png")
 207   end
 208
 209   def test_should_use_preset_asset_id
 210     ENV["RAILS_ASSET_ID"] = "4500"
 211     assert_equal %(<img alt="Rails" src="/images/rails.png?4500" />), image_tag("rails.png")
 212   end
 213
 214   def test_preset_empty_asset_id
 215     ENV["RAILS_ASSET_ID"] = ""
 216     assert_equal %(<img alt="Rails" src="/images/rails.png" />), image_tag("rails.png")
 217   end
 218
 219   def test_should_not_modify_source_string
 220     source = '/images/rails.png'
 221     copy = source.dup
 222     image_tag(source)
 223     assert_equal copy, source
 224   end
 225
 226
 227   def test_caching_javascript_include_tag_when_caching_on
 228     ENV["RAILS_ASSET_ID"] = ""
 229     ActionController::Base.asset_host = 'http://a%d.example.com'
 230     ActionController::Base.perform_caching = true
 231
 232     assert_dom_equal(
 233       %(<script src="http://a0.example.com/javascripts/all.js" type="text/javascript"></script>),
 234       javascript_include_tag(:all, :cache => true)
 235     )
 236
 237     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
 238
 239     assert_dom_equal(
 240       %(<script src="http://a2.example.com/javascripts/money.js" type="text/javascript"></script>),
 241       javascript_include_tag(:all, :cache => "money")
 242     )
 243
 244     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.js'))
 245
 246   ensure
 247     File.delete(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
 248     File.delete(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.js'))
 249   end
 250
 251   def test_caching_javascript_include_tag_when_caching_on_and_using_subdirectory
 252     ENV["RAILS_ASSET_ID"] = ""
 253     ActionController::Base.asset_host = 'http://a%d.example.com'
 254     ActionController::Base.perform_caching = true
 255
 256     assert_dom_equal(
 257       %(<script src="http://a3.example.com/javascripts/cache/money.js" type="text/javascript"></script>),
 258       javascript_include_tag(:all, :cache => "cache/money")
 259     )
 260
 261     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'cache', 'money.js'))
 262   ensure
 263     File.delete(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'cache', 'money.js'))
 264   end
 265
 266   def test_caching_javascript_include_tag_when_caching_off
 267     ENV["RAILS_ASSET_ID"] = ""
 268     ActionController::Base.perform_caching = false
 269
 270     assert_dom_equal(
 271       %(<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>),
 272       javascript_include_tag(:all, :cache => true)
 273     )
 274
 275     assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'all.js'))
 276
 277     assert_dom_equal(
 278       %(<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>),
 279       javascript_include_tag(:all, :cache => "money")
 280     )
 281
 282     assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::JAVASCRIPTS_DIR, 'money.js'))
 283   end
 284
 285   def test_caching_stylesheet_link_tag_when_caching_on
 286     ENV["RAILS_ASSET_ID"] = ""
 287     ActionController::Base.asset_host = 'http://a%d.example.com'
 288     ActionController::Base.perform_caching = true
 289
 290     assert_dom_equal(
 291       %(<link href="http://a3.example.com/stylesheets/all.css" media="screen" rel="stylesheet" type="text/css" />),
 292       stylesheet_link_tag(:all, :cache => true)
 293     )
 294
 295     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
 296
 297     assert_dom_equal(
 298       %(<link href="http://a3.example.com/stylesheets/money.css" media="screen" rel="stylesheet" type="text/css" />),
 299       stylesheet_link_tag(:all, :cache => "money")
 300     )
 301
 302     assert File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
 303   ensure
 304     File.delete(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
 305     File.delete(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
 306   end
 307
 308   def test_caching_stylesheet_include_tag_when_caching_off
 309     ENV["RAILS_ASSET_ID"] = ""
 310     ActionController::Base.perform_caching = false
 311
 312     assert_dom_equal(
 313       %(<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" />),
 314       stylesheet_link_tag(:all, :cache => true)
 315     )
 316
 317     assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'all.css'))
 318
 319     assert_dom_equal(
 320       %(<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" />),
 321       stylesheet_link_tag(:all, :cache => "money")
 322     )
 323
 324     assert !File.exists?(File.join(ActionView::Helpers::AssetTagHelper::STYLESHEETS_DIR, 'money.css'))
 325   end
 326 end
 327
 328 class AssetTagHelperNonVhostTest < Test::Unit::TestCase
 329   include ActionView::Helpers::TagHelper
 330   include ActionView::Helpers::UrlHelper
 331   include ActionView::Helpers::AssetTagHelper
 332
 333   def setup
 334     @controller = Class.new do
 335       attr_accessor :request
 336
 337       def url_for(options)
 338         "http://www.example.com/collaboration/hieraki"
 339       end
 340     end.new
 341
 342     @request = Class.new do
 343       def relative_url_root
 344         "/collaboration/hieraki"
 345       end
 346
 347       def protocol
 348         'gopher://'
 349       end
 350     end.new
 351
 352     @controller.request = @request
 353
 354     ActionView::Helpers::AssetTagHelper::reset_javascript_include_default
 355   end
 356
 357   def test_should_compute_proper_path
 358     assert_dom_equal(%(<link href="http://www.example.com/collaboration/hieraki" rel="alternate" title="RSS" type="application/rss+xml" />), auto_discovery_link_tag)
 359     assert_dom_equal(%(/collaboration/hieraki/javascripts/xmlhr.js), javascript_path("xmlhr"))
 360     assert_dom_equal(%(/collaboration/hieraki/stylesheets/style.css), stylesheet_path("style"))
 361     assert_dom_equal(%(/collaboration/hieraki/images/xml.png), image_path("xml.png"))
 362   end
 363
 364   def test_should_ignore_relative_root_path_on_complete_url
 365     assert_dom_equal(%(http://www.example.com/images/xml.png), image_path("http://www.example.com/images/xml.png"))
 366   end
 367
 368   def test_should_compute_proper_path_with_asset_host
 369     ActionController::Base.asset_host = "http://assets.example.com"
 370     assert_dom_equal(%(<link href="http://www.example.com/collaboration/hieraki" rel="alternate" title="RSS" type="application/rss+xml" />), auto_discovery_link_tag)
 371     assert_dom_equal(%(http://assets.example.com/collaboration/hieraki/javascripts/xmlhr.js), javascript_path("xmlhr"))
 372     assert_dom_equal(%(http://assets.example.com/collaboration/hieraki/stylesheets/style.css), stylesheet_path("style"))
 373     assert_dom_equal(%(http://assets.example.com/collaboration/hieraki/images/xml.png), image_path("xml.png"))
 374   ensure
 375     ActionController::Base.asset_host = ""
 376   end
 377
 378   def test_should_ignore_asset_host_on_complete_url
 379     ActionController::Base.asset_host = "http://assets.example.com"
 380     assert_dom_equal(%(<link href="http://bar.example.com/stylesheets/style.css" media="screen" rel="stylesheet" type="text/css" />), stylesheet_link_tag("http://bar.example.com/stylesheets/style.css"))
 381   ensure
 382     ActionController::Base.asset_host = ""
 383   end
 384
 385   def test_should_wildcard_asset_host_between_zero_and_four
 386     ActionController::Base.asset_host = 'http://a%d.example.com'
 387     assert_match %r(http://a[0123].example.com/collaboration/hieraki/images/xml.png), image_path('xml.png')
 388   ensure
 389     ActionController::Base.asset_host = nil
 390   end
 391
 392   def test_asset_host_without_protocol_should_use_request_protocol
 393     ActionController::Base.asset_host = 'a.example.com'
 394     assert_equal 'gopher://a.example.com/collaboration/hieraki/images/xml.png', image_path('xml.png')
 395   ensure
 396     ActionController::Base.asset_host = nil
 397   end
 398
 399   def test_asset_host_without_protocol_should_use_request_protocol_even_if_path_present
 400     ActionController::Base.asset_host = 'a.example.com/files/go/here'
 401     assert_equal 'gopher://a.example.com/files/go/here/collaboration/hieraki/images/xml.png', image_path('xml.png')
 402   ensure
 403     ActionController::Base.asset_host = nil
 404   end
 405 end