1 files changed, 37 insertions, 0 deletions
diff --git a/actionview/test/template/form_tag_helper_test.rb b/actionview/test/template/form_tag_helper_test.rb
index 62b67b0435..b985b9789b 100644
--- a/actionview/test/template/form_tag_helper_test.rb
+++ b/actionview/test/template/form_tag_helper_test.rb
@@ -7,6 +7,16 @@ class FormTagHelperTest < ActionView::TestCase
 
   tests ActionView::Helpers::FormTagHelper
 
+  class WithActiveStorageRoutesControllers < ActionController::Base
+    test_routes do
+      post "/rails/active_storage/direct_uploads" => "active_storage/direct_uploads#create", as: :rails_direct_uploads
+    end
+
+    def url_options
+      { host: "testtwo.host" }
+    end
+  end
+
   def setup
     super
     @controller = BasicController.new
@@ -178,6 +188,33 @@ class FormTagHelperTest < ActionView::TestCase
     assert_dom_equal "<input name=\"picsplz\" type=\"file\" id=\"picsplz\" class=\"pix\"/>", file_field_tag("picsplz", class: "pix")
   end
 
+  def test_file_field_tag_with_direct_upload_when_rails_direct_uploads_url_is_not_defined
+    assert_dom_equal(
+      "<input name=\"picsplz\" type=\"file\" id=\"picsplz\" class=\"pix\"/>",
+      file_field_tag("picsplz", class: "pix", direct_upload: true)
+    )
+  end
+
+  def test_file_field_tag_with_direct_upload_when_rails_direct_uploads_url_is_defined
+    @controller = WithActiveStorageRoutesControllers.new
+
+    assert_dom_equal(
+      "<input name=\"picsplz\" type=\"file\" id=\"picsplz\" class=\"pix\" data-direct-upload-url=\"http://testtwo.host/rails/active_storage/direct_uploads\"/>",
+      file_field_tag("picsplz", class: "pix", direct_upload: true)
+    )
+  end
+
+  def test_file_field_tag_with_direct_upload_dont_mutate_arguments
+    original_options = { class: "pix", direct_upload: true }
+
+    assert_dom_equal(
+      "<input name=\"picsplz\" type=\"file\" id=\"picsplz\" class=\"pix\"/>",
+      file_field_tag("picsplz", original_options)
+    )
+
+    assert_equal({ class: "pix", direct_upload: true }, original_options)
+  end
+
   def test_password_field_tag
     actual = password_field_tag
     expected = %(<input id="password" name="password" type="password" />)