module ActionDispatch::Assertions 
        
        Inherits From
- 
          module
          
ActionDispatch::Assertions:: ResponseAssertions  - 
          module
          
ActionDispatch::Assertions:: RoutingAssertions  - 
          module
          
Rails::Dom:: Testing:: Assertions  
Public instance methods
Source code GitHub
# File actionpack/lib/action_dispatch/testing/assertions.rb, line 17
def html_document
  @html_document ||= if @response.media_type&.end_with?("xml")
    Nokogiri::XML::Document.parse(@response.body)
  else
    Rails::Dom::Testing.html_document.parse(@response.body)
  end
end