Make sure the request exist befoe trying to send early hints

Action Mailer context for example responds to request but don't have a
a request object.

Fixes #31265

1 files changed, 30 insertions, 0 deletions

diff --git a/actionview/test/template/asset_tag_helper_test.rb b/actionview/test/template/asset_tag_helper_test.rb
index 7475f5cc3c..a8b66191bc 100644
--- a/actionview/test/template/asset_tag_helper_test.rb
+++ b/actionview/test/template/asset_tag_helper_test.rb
@@ -440,6 +440,14 @@ class AssetTagHelperTest < ActionView::TestCase
     }
   end
 
+  def test_stylesheet_link_tag_without_request
+    @request = nil
+    assert_dom_equal(
+      %(<link rel="stylesheet" media="screen" href="/stylesheets/foo.css" />),
+      stylesheet_link_tag("foo.css")
+    )
+  end
+
   def test_stylesheet_link_tag_is_html_safe
     assert stylesheet_link_tag("dir/file").html_safe?
     assert stylesheet_link_tag("dir/other/file", "dir/file2").html_safe?
@@ -464,6 +472,11 @@ class AssetTagHelperTest < ActionView::TestCase
     assert_dom_equal %(<link href="//assets.example.com/stylesheets/wellington.css" media="screen" rel="stylesheet" />), stylesheet_link_tag("wellington")
   end
 
+  def test_javascript_include_tag_without_request
+    @request = nil
+    assert_dom_equal %(<script src="/javascripts/foo.js"></script>), javascript_include_tag("foo.js")
+  end
+
   def test_image_path
     ImagePathToTag.each { |method, tag| assert_dom_equal(tag, eval(method)) }
   end
@@ -778,6 +791,23 @@ class AssetTagHelperNonVhostTest < ActionView::TestCase
   end
 end
 
+class AssetTagHelperWithoutRequestTest < ActionView::TestCase
+  tests ActionView::Helpers::AssetTagHelper
+
+  undef :request
+
+  def test_stylesheet_link_tag_without_request
+    assert_dom_equal(
+      %(<link rel="stylesheet" media="screen" href="/stylesheets/foo.css" />),
+      stylesheet_link_tag("foo.css")
+    )
+  end
+
+  def test_javascript_include_tag_without_request
+    assert_dom_equal %(<script src="/javascripts/foo.js"></script>), javascript_include_tag("foo.js")
+  end
+end
+
 class AssetUrlHelperControllerTest < ActionView::TestCase
   tests ActionView::Helpers::AssetUrlHelper