test/unit/test_response.rb

   1 # -*- encoding: binary -*-
   2
   3 # Copyright (c) 2005 Zed A. Shaw
   4 # You can redistribute it and/or modify it under the same terms as Ruby.
   5 #
   6 # Additional work donated by contributors.  See http://mongrel.rubyforge.org/attributions.html
   7 # for more information.
   8
   9 require 'test/test_helper'
  10
  11 include Unicorn
  12
  13 class ResponseTest < Test::Unit::TestCase
  14
  15   def test_response_headers
  16     out = StringIO.new
  17     HttpResponse.write(out,[200, {"X-Whatever" => "stuff"}, ["cool"]])
  18     assert out.closed?
  19
  20     assert out.length > 0, "output didn't have data"
  21   end
  22
  23   def test_response_string_status
  24     out = StringIO.new
  25     HttpResponse.write(out,['200', {}, []])
  26     assert out.closed?
  27     assert out.length > 0, "output didn't have data"
  28     assert_equal 1, out.string.split(/\r\n/).grep(/^Status: 200 OK/).size
  29   end
  30
  31   def test_response_OFS_set
  32     old_ofs = $,
  33     $, = "\f\v"
  34     out = StringIO.new
  35     HttpResponse.write(out,[200, {"X-k" => "cd","X-y" => "z"}, ["cool"]])
  36     assert out.closed?
  37     resp = out.string
  38     assert ! resp.include?("\f\v"), "output didn't use $, ($OFS)"
  39     ensure
  40       $, = old_ofs
  41   end
  42
  43   def test_response_200
  44     io = StringIO.new
  45     HttpResponse.write(io, [200, {}, []])
  46     assert io.closed?
  47     assert io.length > 0, "output didn't have data"
  48   end
  49
  50   def test_response_with_default_reason
  51     code = 400
  52     io = StringIO.new
  53     HttpResponse.write(io, [code, {}, []])
  54     assert io.closed?
  55     lines = io.string.split(/\r\n/)
  56     assert_match(/.* Bad Request$/, lines.first,
  57                  "wrong default reason phrase")
  58   end
  59
  60   def test_rack_multivalue_headers
  61     out = StringIO.new
  62     HttpResponse.write(out,[200, {"X-Whatever" => "stuff\nbleh"}, []])
  63     assert out.closed?
  64     assert_match(/^X-Whatever: stuff\r\nX-Whatever: bleh\r\n/, out.string)
  65   end
  66
  67   # Even though Rack explicitly forbids "Status" in the header hash,
  68   # some broken clients still rely on it
  69   def test_status_header_added
  70     out = StringIO.new
  71     HttpResponse.write(out,[200, {"X-Whatever" => "stuff"}, []])
  72     assert out.closed?
  73     assert_equal 1, out.string.split(/\r\n/).grep(/^Status: 200 OK/i).size
  74   end
  75
  76   # we always favor the code returned by the application, since "Status"
  77   # in the header hash is not allowed by Rack (but not every app is
  78   # fully Rack-compliant).
  79   def test_status_header_ignores_app_hash
  80     out = StringIO.new
  81     header_hash = {"X-Whatever" => "stuff", 'StaTus' => "666" }
  82     HttpResponse.write(out,[200, header_hash, []])
  83     assert out.closed?
  84     assert_equal 1, out.string.split(/\r\n/).grep(/^Status: 200 OK/i).size
  85     assert_equal 1, out.string.split(/\r\n/).grep(/^Status:/i).size
  86   end
  87
  88   def test_body_closed
  89     expect_body = %w(1 2 3 4).join("\n")
  90     body = StringIO.new(expect_body)
  91     body.rewind
  92     out = StringIO.new
  93     HttpResponse.write(out,[200, {}, body])
  94     assert out.closed?
  95     assert body.closed?
  96     assert_match(expect_body, out.string.split(/\r\n/).last)
  97   end
  98
  99   def test_unknown_status_pass_through
 100     out = StringIO.new
 101     HttpResponse.write(out,["666 I AM THE BEAST", {}, [] ])
 102     assert out.closed?
 103     headers = out.string.split(/\r\n\r\n/).first.split(/\r\n/)
 104     assert %r{\AHTTP/\d\.\d 666 I AM THE BEAST\z}.match(headers[0])
 105     status = headers.grep(/\AStatus:/i).first
 106     assert status
 107     assert_equal "Status: 666 I AM THE BEAST", status
 108   end
 109
 110 end