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Integration test methods such as Integration::RequestHelpers#get and Integration::RequestHelpers#post return objects of class TestResponse, which represent the HTTP response results of the requested controller actions.

See Response for more information on controller response objects.

Methods
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Class Public methods

from_response(response)

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/testing/test_response.rb, line 13
def self.from_response(response)
  new response.status, response.headers, response.body
end

Instance Public methods

parsed_body()

Returns a parsed body depending on the response MIME type. When a parser corresponding to the MIME type is not found, it returns the raw body.

Examples

get "/posts"
response.content_type         # => "text/html; charset=utf-8"
response.parsed_body.class    # => Nokogiri::HTML5::Document
response.parsed_body.to_html  # => "<!DOCTYPE html>\n<html>\n..."

assert_pattern { response.parsed_body.at("main") => { content: "Hello, world" } }

response.parsed_body.at("main") => {name:, content:}
assert_equal "main", name
assert_equal "Some main content", content

get "/posts.json"
response.content_type         # => "application/json; charset=utf-8"
response.parsed_body.class    # => Array
response.parsed_body          # => [{"id"=>42, "title"=>"Title"},...

assert_pattern { response.parsed_body => [{ id: 42 }] }

get "/posts/42.json"
response.content_type         # => "application/json; charset=utf-8"
response.parsed_body.class    # => ActiveSupport::HashWithIndifferentAccess
response.parsed_body          # => {"id"=>42, "title"=>"Title"}

assert_pattern { response.parsed_body => [{ title: /title/i }] }

response.parsed_body => {id:, title:}
assert_equal 42, id
assert_equal "Title", title

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/testing/test_response.rb, line 49
def parsed_body
  @parsed_body ||= response_parser.call(body)
end

response_parser()

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/testing/test_response.rb, line 53
def response_parser
  @response_parser ||= RequestEncoder.parser(media_type)
end