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rails--rails/actionpack/test/controller/new_base/bare_metal_test.rb

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require "abstract_unit"
module BareMetalTest
class BareController < ActionController::Metal
def index
self.response_body = "Hello world"
end
end
class BareTest < ActiveSupport::TestCase
test "response body is a Rack-compatible response" do
status, headers, body = BareController.action(:index).call(Rack::MockRequest.env_for("/"))
assert_equal 200, status
string = ""
body.each do |part|
assert part.is_a?(String), "Each part of the body must be a String"
string << part
end
assert_kind_of Hash, headers, "Headers must be a Hash"
assert headers["Content-Type"], "Content-Type must exist"
assert_equal "Hello world", string
end
end
end