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# encoding: utf-8

require File.expand_path('../helper', __FILE__)

class ResponseTest < Test::Unit::TestCase
  setup do
    @response = Sinatra::Response.new
  end

  it "initializes with 200, text/html, and empty body" do
    assert_equal 200, @response.status
    assert_equal 'text/html', @response['Content-Type']
    assert_equal [], @response.body
  end

  it 'uses case insensitive headers' do
    @response['content-type'] = 'application/foo'
    assert_equal 'application/foo', @response['Content-Type']
    assert_equal 'application/foo', @response['CONTENT-TYPE']
  end

  it 'writes to body' do
    @response.body = 'Hello'
    @response.write ' World'
    assert_equal 'Hello World', @response.body.join
  end

  [204, 304].each do |status_code|
    it "removes the Content-Type header and body when response status is #{status_code}" do
      @response.status = status_code
      @response.body = ['Hello World']
      assert_equal [status_code, {}, []], @response.finish
    end
  end

  it 'Calculates the Content-Length using the bytesize of the body' do
    @response.body = ['Hello', 'World!', '✈']
    status, headers, body = @response.finish
    assert_equal '14', headers['Content-Length']
    assert_equal @response.body, body
  end

  it 'does not call #to_ary or #inject on the body' do
    object = Object.new
    def object.inject(*) fail 'called' end
    def object.to_ary(*) fail 'called' end
    def object.each(*) end
    @response.body = object
    assert @response.finish
  end

  it 'does not nest a Sinatra::Response' do
    @response.body = Sinatra::Response.new ["foo"]
    assert_equal @response.body, ["foo"]
  end

  it 'does not nest a Rack::Response' do
    @response.body = Rack::Response.new ["foo"]
    assert_equal @response.body, ["foo"]
  end
end
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