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-rw-r--r--actionpack/lib/action_dispatch/testing/assertions.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/testing/assertions.rb b/actionpack/lib/action_dispatch/testing/assertions.rb
index b362931ef7..08c2969685 100644
--- a/actionpack/lib/action_dispatch/testing/assertions.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "rails-dom-testing"
module ActionDispatch
@@ -12,7 +14,7 @@ module ActionDispatch
include Rails::Dom::Testing::Assertions
def html_document
- @html_document ||= if @response.content_type.to_s =~ /xml\z/
+ @html_document ||= if @response.content_type.to_s.end_with?("xml")
Nokogiri::XML::Document.parse(@response.body)
else
Nokogiri::HTML::Document.parse(@response.body)