actionpack/test/controller/new_base/content_negotiation_test.rb


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require "abstract_unit"

module ContentNegotiation
  # This has no layout and it works
  class BasicController < ActionController::Base
    self.view_paths = [ActionView::FixtureResolver.new(
      "content_negotiation/basic/hello.html.erb" => "Hello world <%= request.formats.first.to_s %>!"
    )]

    def all
      render plain: formats.inspect
    end
  end

  class TestContentNegotiation < Rack::TestCase
    test "A */* Accept header will return HTML" do
      get "/content_negotiation/basic/hello", headers: { "HTTP_ACCEPT" => "*/*" }
      assert_body "Hello world */*!"
    end

    test "Not all mimes are converted to symbol" do
      get "/content_negotiation/basic/all", headers: { "HTTP_ACCEPT" => "text/plain, mime/another" }
      assert_body '[:text, "mime/another"]'
    end
  end
end