actionpack/test/controller/streaming_test.rb


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# frozen_string_literal: true
require "abstract_unit"

module ActionController
  class StreamingResponseTest < ActionController::TestCase
    class TestController < ActionController::Base
      def self.controller_path
        "test"
      end

      def basic_stream
        %w{ hello world }.each do |word|
          response.stream.write word
          response.stream.write "\n"
        end
        response.stream.close
      end
    end

    tests TestController

    def test_write_to_stream
      get :basic_stream
      assert_equal "hello\nworld\n", @response.body
    end
  end
end