aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/test/controller/test_case_test.rb
blob: 6fc70d6248db34eed7e7418038cae618b3792517 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
# frozen_string_literal: true

require "abstract_unit"
require "controller/fake_controllers"
require "active_support/json/decoding"
require "rails/engine"

class TestCaseTest < ActionController::TestCase
  def self.fixture_path; end

  class TestController < ActionController::Base
    def no_op
      render plain: "dummy"
    end

    def set_flash
      flash["test"] = ">#{flash["test"]}<"
      render plain: "ignore me"
    end

    def delete_flash
      flash.delete("test")
      render plain: "ignore me"
    end

    def set_flash_now
      flash.now["test_now"] = ">#{flash["test_now"]}<"
      render plain: "ignore me"
    end

    def set_session
      session["string"] = "A wonder"
      session[:symbol] = "it works"
      render plain: "Success"
    end

    def reset_the_session
      reset_session
      render plain: "ignore me"
    end

    def render_raw_post
      raise ActiveSupport::TestCase::Assertion, "#raw_post is blank" if request.raw_post.blank?
      render plain: request.raw_post
    end

    def render_body
      render plain: request.body.read
    end

    def test_params
      render plain: ::JSON.dump(params.to_unsafe_h)
    end

    def test_query_parameters
      render plain: ::JSON.dump(request.query_parameters)
    end

    def test_request_parameters
      render plain: request.request_parameters.inspect
    end

    def test_uri
      render plain: request.fullpath
    end

    def test_format
      render plain: request.format
    end

    def test_query_string
      render plain: request.query_string
    end

    def test_protocol
      render plain: request.protocol
    end

    def test_headers
      render plain: ::JSON.dump(request.headers.env)
    end

    def test_html_output
      render plain: <<HTML
<html>
  <body>
    <a href="/"><img src="/images/button.png" /></a>
    <div id="foo">
      <ul>
        <li class="item">hello</li>
        <li class="item">goodbye</li>
      </ul>
    </div>
    <div id="bar">
      <form action="/somewhere">
        Name: <input type="text" name="person[name]" id="person_name" />
      </form>
    </div>
  </body>
</html>
HTML
    end

    def test_xml_output
      response.content_type = params[:response_as]
      render plain: <<XML
<?xml version="1.0" encoding="UTF-8"?>
<root>
  <area><p>area is an empty tag in HTML, so it won't contain this content</p></area>
</root>
XML
    end

    def test_only_one_param
      render plain: (params[:left] && params[:right]) ? "EEP, Both here!" : "OK"
    end

    def test_remote_addr
      render plain: (request.remote_addr || "not specified")
    end

    def test_file_upload
      render plain: params[:file].size
    end

    def test_send_file
      send_file(__FILE__)
    end

    def redirect_to_same_controller
      redirect_to controller: "test", action: "test_uri", id: 5
    end

    def redirect_to_different_controller
      redirect_to controller: "fail", id: 5
    end

    def create
      head :created, location: "/resource"
    end

    def render_cookie
      render plain: cookies["foo"]
    end

    def delete_cookie
      cookies.delete("foo")
      render plain: "ok"
    end

    def test_without_body
      render html: '<div class="foo"></div>'.html_safe
    end

    def test_with_body
      render html: '<body class="foo"></body>'.html_safe
    end

    def boom
      raise "boom!"
    end

    private

      def generate_url(opts)
        url_for(opts.merge(action: "test_uri"))
      end
  end

  def setup
    super
    @controller = TestController.new
    @request.delete_header "PATH_INFO"
    @routes = ActionDispatch::Routing::RouteSet.new.tap do |r|
      r.draw do
        ActiveSupport::Deprecation.silence do
          get ":controller(/:action(/:id))"
        end
      end
    end
  end

  class DefaultUrlOptionsCachingController < ActionController::Base
    before_action { @dynamic_opt = "opt" }

    def test_url_options_reset
      render plain: url_for
    end

    def default_url_options
      if defined?(@dynamic_opt)
        super.merge dynamic_opt: @dynamic_opt
      else
        super
      end
    end
  end

  def test_assert_select_without_body
    get :test_without_body

    assert_select "body", 0
    assert_select "div.foo"
  end

  def test_assert_select_with_body
    get :test_with_body

    assert_select "body.foo"
  end

  def test_url_options_reset
    @controller = DefaultUrlOptionsCachingController.new
    get :test_url_options_reset
    assert_nil @request.params["dynamic_opt"]
    assert_match(/dynamic_opt=opt/, @response.body)
  end

  def test_raw_post_handling
    params = Hash[:page, { name: "page name" }, "some key", 123]
    post :render_raw_post, params: params.dup

    assert_equal params.to_query, @response.body
  end

  def test_params_round_trip
    params = { "foo" => { "contents" => [{ "name" => "gorby", "id" => "123" }, { "name" => "puff", "d" => "true" }] } }
    post :test_params, params: params.dup

    controller_info = { "controller" => "test_case_test/test", "action" => "test_params" }
    assert_equal params.merge(controller_info), JSON.parse(@response.body)
  end

  def test_handle_to_params
    klass = Class.new do
      def to_param
        "bar"
      end
    end

    post :test_params, params: { foo: klass.new }

    assert_equal JSON.parse(@response.body)["foo"], "bar"
  end


  def test_body_stream
    params = Hash[:page, { name: "page name" }, "some key", 123]

    post :render_body, params: params.dup

    assert_equal params.to_query, @response.body
  end

  def test_document_body_and_params_with_post
    post :test_params, params: { id: 1 }
    assert_equal({ "id" => "1", "controller" => "test_case_test/test", "action" => "test_params" }, ::JSON.parse(@response.body))
  end

  def test_document_body_with_post
    post :render_body, body: "document body"
    assert_equal "document body", @response.body
  end

  def test_document_body_with_put
    put :render_body, body: "document body"
    assert_equal "document body", @response.body
  end

  def test_head
    head :test_params
    assert_equal 200, @response.status
  end

  def test_process_without_flash
    process :set_flash
    assert_equal "><", flash["test"]
  end

  def test_process_with_flash
    process :set_flash,
      method: "GET",
      flash: { "test" => "value" }
    assert_equal ">value<", flash["test"]
  end

  def test_process_with_flash_now
    process :set_flash_now,
      method: "GET",
      flash: { "test_now" => "value_now" }
    assert_equal ">value_now<", flash["test_now"]
  end

  def test_process_delete_flash
    process :set_flash
    process :delete_flash
    assert_empty flash
    assert_empty session
  end

  def test_process_with_session
    process :set_session
    assert_equal "A wonder", session["string"], "A value stored in the session should be available by string key"
    assert_equal "A wonder", session[:string], "Test session hash should allow indifferent access"
    assert_equal "it works", session["symbol"], "Test session hash should allow indifferent access"
    assert_equal "it works", session[:symbol], "Test session hash should allow indifferent access"
  end

  def test_process_with_session_kwarg
    process :no_op, method: "GET", session: { "string" => "value1", symbol: "value2" }
    assert_equal "value1", session["string"]
    assert_equal "value1", session[:string]
    assert_equal "value2", session["symbol"]
    assert_equal "value2", session[:symbol]
  end

  def test_process_merges_session_arg
    session[:foo] = "bar"
    get :no_op, session: { bar: "baz" }
    assert_equal "bar", session[:foo]
    assert_equal "baz", session[:bar]
  end

  def test_merged_session_arg_is_retained_across_requests
    get :no_op, session: { foo: "bar" }
    assert_equal "bar", session[:foo]
    get :no_op
    assert_equal "bar", session[:foo]
  end

  def test_process_overwrites_existing_session_arg
    session[:foo] = "bar"
    get :no_op, session: { foo: "baz" }
    assert_equal "baz", session[:foo]
  end

  def test_session_is_cleared_from_controller_after_reset_session
    process :set_session
    process :reset_the_session
    assert_equal Hash.new, @controller.session.to_hash
  end

  def test_session_is_cleared_from_request_after_reset_session
    process :set_session
    process :reset_the_session
    assert_equal Hash.new, @request.session.to_hash
  end

  def test_response_and_request_have_nice_accessors
    process :no_op
    assert_equal @response, response
    assert_equal @request, request
  end

  def test_process_with_request_uri_with_no_params
    process :test_uri
    assert_equal "/test_case_test/test/test_uri", @response.body
  end

  def test_process_with_symbol_method
    process :test_uri, method: :get
    assert_equal "/test_case_test/test/test_uri", @response.body
  end

  def test_process_with_request_uri_with_params
    process :test_uri,
      method: "GET",
      params: { id: 7 }

    assert_equal "/test_case_test/test/test_uri/7", @response.body
  end

  def test_process_with_request_uri_with_params_with_explicit_uri
    @request.env["PATH_INFO"] = "/explicit/uri"
    process :test_uri, method: "GET", params: { id: 7 }
    assert_equal "/explicit/uri", @response.body
  end

  def test_process_with_query_string
    process :test_query_string,
      method: "GET",
      params: { q: "test" }
    assert_equal "q=test", @response.body
  end

  def test_process_with_query_string_with_explicit_uri
    @request.env["PATH_INFO"] = "/explicit/uri"
    @request.env["QUERY_STRING"] = "q=test?extra=question"
    process :test_query_string
    assert_equal "q=test?extra=question", @response.body
  end

  def test_multiple_calls
    process :test_only_one_param, method: "GET", params: { left: true }
    assert_equal "OK", @response.body
    process :test_only_one_param, method: "GET", params: { right: true }
    assert_equal "OK", @response.body
  end

  def test_should_impose_childless_html_tags_in_html
    process :test_xml_output, params: { response_as: "text/html" }

    # <area> auto-closes, so the <p> becomes a sibling
    if defined?(JRUBY_VERSION)
      # https://github.com/sparklemotion/nokogiri/issues/1653
      # HTML parser "fixes" "broken" markup in slightly different ways
      assert_select "root > map > area + p"
    else
      assert_select "root > area + p"
    end
  end

  def test_should_not_impose_childless_html_tags_in_xml
    process :test_xml_output, params: { response_as: "application/xml" }

    # <area> is not special, so the <p> is its child
    assert_select "root > area > p"
  end

  def test_assert_generates
    assert_generates "controller/action/5", controller: "controller", action: "action", id: "5"
    assert_generates "controller/action/7", { id: "7" }, { controller: "controller", action: "action" }
    assert_generates "controller/action/5", { controller: "controller", action: "action", id: "5", name: "bob" }, {}, { name: "bob" }
    assert_generates "controller/action/7", { id: "7", name: "bob" }, { controller: "controller", action: "action" }, { name: "bob" }
    assert_generates "controller/action/7", { id: "7" }, { controller: "controller", action: "action", name: "bob" }, {}
  end

  def test_assert_routing
    assert_routing "content", controller: "content", action: "index"
  end

  def test_assert_routing_with_method
    with_routing do |set|
      set.draw { resources(:content) }
      assert_routing({ method: "post", path: "content" }, { controller: "content", action: "create" })
    end
  end

  def test_assert_routing_in_module
    with_routing do |set|
      set.draw do
        namespace :admin do
          get "user" => "user#index"
        end
      end

      assert_routing "admin/user", controller: "admin/user", action: "index"
    end
  end

  def test_assert_routing_with_glob
    with_routing do |set|
      set.draw { get("*path" => "pages#show") }
      assert_routing("/company/about", controller: "pages", action: "show", path: "company/about")
    end
  end

  def test_params_passing
    get :test_params, params: {
      page: {
        name: "Page name",
        month: "4",
        year: "2004",
        day: "6"
      }
    }
    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      {
        "controller" => "test_case_test/test", "action" => "test_params",
        "page" => { "name" => "Page name", "month" => "4", "year" => "2004", "day" => "6" }
      },
      parsed_params
    )
  end

  def test_query_param_named_action
    get :test_query_parameters, params: { action: "foobar" }
    parsed_params = JSON.parse(@response.body)
    assert_equal({ "action" => "foobar" }, parsed_params)
  end

  def test_request_param_named_action
    post :test_request_parameters, params: { action: "foobar" }
    parsed_params = eval(@response.body)
    assert_equal({ "action" => "foobar" }, parsed_params)
  end

  def test_kwarg_params_passing_with_session_and_flash
    get :test_params, params: {
      page: {
        name: "Page name",
        month: "4",
        year: "2004",
        day: "6"
      }
    }, session: { "foo" => "bar" }, flash: { notice: "created" }

    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      { "controller" => "test_case_test/test", "action" => "test_params",
       "page" => { "name" => "Page name", "month" => "4", "year" => "2004", "day" => "6" } },
      parsed_params
    )

    assert_equal "bar", session[:foo]
    assert_equal "created", flash[:notice]
  end

  def test_params_passing_with_integer
    get :test_params, params: {
      page: { name: "Page name", month: 4, year: 2004, day: 6 }
    }
    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      { "controller" => "test_case_test/test", "action" => "test_params",
       "page" => { "name" => "Page name", "month" => "4", "year" => "2004", "day" => "6" } },
      parsed_params
    )
  end

  def test_params_passing_with_integers_when_not_html_request
    get :test_params, params: { format: "json", count: 999 }
    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      { "controller" => "test_case_test/test", "action" => "test_params",
       "format" => "json", "count" => "999" },
      parsed_params
    )
  end

  def test_params_passing_path_parameter_is_string_when_not_html_request
    get :test_params, params: { format: "json", id: 1 }
    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      { "controller" => "test_case_test/test", "action" => "test_params",
       "format" => "json", "id" => "1" },
      parsed_params
    )
  end

  def test_params_passing_with_frozen_values
    assert_nothing_raised do
      get :test_params, params: {
        frozen: -"icy", frozens: [-"icy"].freeze, deepfreeze: { frozen: -"icy" }.freeze
      }
    end
    parsed_params = ::JSON.parse(@response.body)
    assert_equal(
      { "controller" => "test_case_test/test", "action" => "test_params",
       "frozen" => "icy", "frozens" => ["icy"], "deepfreeze" => { "frozen" => "icy" } },
      parsed_params
    )
  end

  def test_params_passing_doesnt_modify_in_place
    page = { name: "Page name", month: 4, year: 2004, day: 6 }
    get :test_params, params: { page: page }
    assert_equal 2004, page[:year]
  end

  test "set additional HTTP headers" do
    @request.headers["Referer"] = "http://nohost.com/home"
    @request.headers["Content-Type"] = "application/rss+xml"
    get :test_headers
    parsed_env = ActiveSupport::JSON.decode(@response.body)
    assert_equal "http://nohost.com/home", parsed_env["HTTP_REFERER"]
    assert_equal "application/rss+xml", parsed_env["CONTENT_TYPE"]
  end

  test "set additional env variables" do
    @request.headers["HTTP_REFERER"] = "http://example.com/about"
    @request.headers["CONTENT_TYPE"] = "application/json"
    get :test_headers
    parsed_env = ActiveSupport::JSON.decode(@response.body)
    assert_equal "http://example.com/about", parsed_env["HTTP_REFERER"]
    assert_equal "application/json", parsed_env["CONTENT_TYPE"]
  end

  def test_using_as_json_sets_request_content_type_to_json
    post :render_body, params: { bool_value: true, str_value: "string", num_value: 2 }, as: :json

    assert_equal "application/json", @request.headers["CONTENT_TYPE"]
    assert_equal true, @request.request_parameters[:bool_value]
    assert_equal "string", @request.request_parameters[:str_value]
    assert_equal 2, @request.request_parameters[:num_value]
  end

  def test_using_as_json_sets_format_json
    post :render_body, params: { bool_value: true, str_value: "string", num_value: 2 }, as: :json
    assert_equal "json", @request.format
  end

  def test_mutating_content_type_headers_for_plain_text_files_sets_the_header
    @request.headers["Content-Type"] = "text/plain"
    post :render_body, params: { name: "foo.txt" }

    assert_equal "text/plain", @request.headers["Content-type"]
    assert_equal "foo.txt", @request.request_parameters[:name]
    assert_equal "render_body", @request.path_parameters[:action]
  end

  def test_mutating_content_type_headers_for_html_files_sets_the_header
    @request.headers["Content-Type"] = "text/html"
    post :render_body, params: { name: "foo.html" }

    assert_equal "text/html", @request.headers["Content-type"]
    assert_equal "foo.html", @request.request_parameters[:name]
    assert_equal "render_body", @request.path_parameters[:action]
  end

  def test_mutating_content_type_headers_for_non_registered_mime_type_raises_an_error
    assert_raises(RuntimeError) do
      @request.headers["Content-Type"] = "type/fake"
      post :render_body, params: { name: "foo.fake" }
    end
  end

  def test_id_converted_to_string
    get :test_params, params: {
      id: 20, foo: Object.new
    }
    assert_kind_of String, @request.path_parameters[:id]
  end

  def test_array_path_parameter_handled_properly
    with_routing do |set|
      set.draw do
        get "file/*path", to: "test_case_test/test#test_params"

        ActiveSupport::Deprecation.silence do
          get ":controller/:action"
        end
      end

      get :test_params, params: { path: ["hello", "world"] }
      assert_equal ["hello", "world"], @request.path_parameters[:path]
      assert_equal "hello/world", @request.path_parameters[:path].to_param
    end
  end

  def test_assert_realistic_path_parameters
    get :test_params, params: { id: 20, foo: Object.new }

    # All elements of path_parameters should use Symbol keys
    @request.path_parameters.each_key do |key|
      assert_kind_of Symbol, key
    end
  end

  def test_with_routing_places_routes_back
    assert @routes
    routes_id = @routes.object_id

    begin
      with_routing { raise "fail" }
      fail "Should not be here."
    rescue RuntimeError
    end

    assert @routes
    assert_equal routes_id, @routes.object_id
  end

  def test_remote_addr
    get :test_remote_addr
    assert_equal "0.0.0.0", @response.body

    @request.remote_addr = "192.0.0.1"
    get :test_remote_addr
    assert_equal "192.0.0.1", @response.body
  end

  def test_header_properly_reset_after_remote_http_request
    get :test_params, xhr: true
    assert_nil @request.env["HTTP_X_REQUESTED_WITH"]
    assert_nil @request.env["HTTP_ACCEPT"]
  end

  def test_xhr_with_params
    get :test_params, params: { id: 1 }, xhr: true

    assert_equal({ "id" => "1", "controller" => "test_case_test/test", "action" => "test_params" }, ::JSON.parse(@response.body))
  end

  def test_xhr_with_session
    get :set_session, xhr: true

    assert_equal "A wonder", session["string"], "A value stored in the session should be available by string key"
    assert_equal "A wonder", session[:string], "Test session hash should allow indifferent access"
    assert_equal "it works", session["symbol"], "Test session hash should allow indifferent access"
    assert_equal "it works", session[:symbol], "Test session hash should allow indifferent access"
  end

  def test_params_reset_between_post_requests
    post :no_op, params: { foo: "bar" }
    assert_equal "bar", @request.params[:foo]

    post :no_op
    assert_predicate @request.params[:foo], :blank?
  end

  def test_filtered_parameters_reset_between_requests
    get :no_op, params: { foo: "bar" }
    assert_equal "bar", @request.filtered_parameters[:foo]

    get :no_op, params: { foo: "baz" }
    assert_equal "baz", @request.filtered_parameters[:foo]
  end

  def test_raw_post_reset_between_post_requests
    post :no_op, params: { foo: "bar" }
    assert_equal "foo=bar", @request.raw_post

    post :no_op, params: { foo: "baz" }
    assert_equal "foo=baz", @request.raw_post
  end

  def test_content_length_reset_after_post_request
    post :no_op, params: { foo: "bar" }
    assert_not_equal 0, @request.content_length

    get :no_op
    assert_equal 0, @request.content_length
  end

  def test_path_is_kept_after_the_request
    get :test_params, params: { id: "foo" }
    assert_equal "/test_case_test/test/test_params/foo", @request.path
  end

  def test_path_params_reset_between_request
    get :test_params, params: { id: "foo" }
    assert_equal "foo", @request.path_parameters[:id]

    get :test_params
    assert_nil @request.path_parameters[:id]
  end

  def test_request_protocol_is_reset_after_request
    get :test_protocol
    assert_equal "http://", @response.body

    @request.env["HTTPS"] = "on"
    get :test_protocol
    assert_equal "https://", @response.body

    @request.env.delete("HTTPS")
    get :test_protocol
    assert_equal "http://", @response.body
  end

  def test_request_format
    get :test_format, params: { format: "html" }
    assert_equal "text/html", @response.body

    get :test_format, params: { format: "json" }
    assert_equal "application/json", @response.body

    get :test_format, params: { format: "xml" }
    assert_equal "application/xml", @response.body

    get :test_format
    assert_equal "text/html", @response.body
  end

  def test_request_format_kwarg
    get :test_format, format: "html"
    assert_equal "text/html", @response.body

    get :test_format, format: "json"
    assert_equal "application/json", @response.body

    get :test_format, format: "xml"
    assert_equal "application/xml", @response.body

    get :test_format
    assert_equal "text/html", @response.body
  end

  def test_request_format_kwarg_overrides_params
    get :test_format, format: "json", params: { format: "html" }
    assert_equal "application/json", @response.body
  end

  def test_request_format_kwarg_doesnt_mutate_params
    params = { foo: "bar" }.freeze

    assert_nothing_raised do
      get :test_format, format: "json", params: params
    end
  end

  def test_should_have_knowledge_of_client_side_cookie_state_even_if_they_are_not_set
    cookies["foo"] = "bar"
    get :no_op
    assert_equal "bar", cookies["foo"]
  end

  def test_cookies_should_be_escaped_properly
    cookies["foo"] = "+"
    get :render_cookie
    assert_equal "+", @response.body
  end

  def test_should_detect_if_cookie_is_deleted
    cookies["foo"] = "bar"
    get :delete_cookie
    assert_nil cookies["foo"]
  end

  def test_multiple_mixed_method_process_should_scrub_rack_input
    post :test_params, params: { id: 1, foo: "an foo" }
    assert_equal({ "id" => "1", "foo" => "an foo", "controller" => "test_case_test/test", "action" => "test_params" }, ::JSON.parse(@response.body))

    get :test_params, params: { bar: "an bar" }
    assert_equal({ "bar" => "an bar", "controller" => "test_case_test/test", "action" => "test_params" }, ::JSON.parse(@response.body))
  end

  %w(controller response request).each do |variable|
    %w(get post put delete head process).each do |method|
      define_method("test_#{variable}_missing_for_#{method}_raises_error") do
        remove_instance_variable "@#{variable}"
        begin
          send(method, :test_remote_addr)
          assert false, "expected RuntimeError, got nothing"
        rescue RuntimeError => error
          assert_match(%r{@#{variable} is nil}, error.message)
        rescue => error
          assert false, "expected RuntimeError, got #{error.class}"
        end
      end
    end
  end

  FILES_DIR = File.expand_path("../fixtures/multipart", __dir__)

  READ_BINARY = "rb:binary"
  READ_PLAIN = "r:binary"

  def test_test_uploaded_file
    filename = "ruby_on_rails.jpg"
    path = "#{FILES_DIR}/#{filename}"
    content_type = "image/png"
    expected = File.read(path)
    expected.force_encoding(Encoding::BINARY)

    file = Rack::Test::UploadedFile.new(path, content_type)
    assert_equal filename, file.original_filename
    assert_equal content_type, file.content_type
    assert_equal file.path, file.local_path
    assert_equal expected, file.read

    new_content_type = "new content_type"
    file.content_type = new_content_type
    assert_equal new_content_type, file.content_type
  end

  def test_fixture_path_is_accessed_from_self_instead_of_active_support_test_case
    TestCaseTest.stub :fixture_path, FILES_DIR do
      uploaded_file = fixture_file_upload("/ruby_on_rails.jpg", "image/png")
      assert_equal File.open("#{FILES_DIR}/ruby_on_rails.jpg", READ_PLAIN).read, uploaded_file.read
    end
  end

  def test_test_uploaded_file_with_binary
    filename = "ruby_on_rails.jpg"
    path = "#{FILES_DIR}/#{filename}"
    content_type = "image/png"

    binary_uploaded_file = Rack::Test::UploadedFile.new(path, content_type, :binary)
    assert_equal File.open(path, READ_BINARY).read, binary_uploaded_file.read

    plain_uploaded_file = Rack::Test::UploadedFile.new(path, content_type)
    assert_equal File.open(path, READ_PLAIN).read, plain_uploaded_file.read
  end

  def test_fixture_file_upload_with_binary
    filename = "ruby_on_rails.jpg"
    path = "#{FILES_DIR}/#{filename}"
    content_type = "image/jpg"

    binary_file_upload = fixture_file_upload(path, content_type, :binary)
    assert_equal File.open(path, READ_BINARY).read, binary_file_upload.read

    plain_file_upload = fixture_file_upload(path, content_type)
    assert_equal File.open(path, READ_PLAIN).read, plain_file_upload.read
  end

  def test_fixture_file_upload_should_be_able_access_to_tempfile
    file = fixture_file_upload(FILES_DIR + "/ruby_on_rails.jpg", "image/jpg")
    assert_respond_to file, :tempfile
  end

  def test_fixture_file_upload
    post :test_file_upload,
      params: {
        file: fixture_file_upload(FILES_DIR + "/ruby_on_rails.jpg", "image/jpg")
      }
    assert_equal "45142", @response.body
  end

  def test_fixture_file_upload_relative_to_fixture_path
    TestCaseTest.stub :fixture_path, FILES_DIR do
      uploaded_file = fixture_file_upload("ruby_on_rails.jpg", "image/jpg")
      assert_equal File.open("#{FILES_DIR}/ruby_on_rails.jpg", READ_PLAIN).read, uploaded_file.read
    end
  end

  def test_fixture_file_upload_ignores_fixture_path_given_full_path
    TestCaseTest.stub :fixture_path, __dir__ do
      uploaded_file = fixture_file_upload("#{FILES_DIR}/ruby_on_rails.jpg", "image/jpg")
      assert_equal File.open("#{FILES_DIR}/ruby_on_rails.jpg", READ_PLAIN).read, uploaded_file.read
    end
  end

  def test_fixture_file_upload_ignores_nil_fixture_path
    uploaded_file = fixture_file_upload("#{FILES_DIR}/ruby_on_rails.jpg", "image/jpg")
    assert_equal File.open("#{FILES_DIR}/ruby_on_rails.jpg", READ_PLAIN).read, uploaded_file.read
  end

  def test_action_dispatch_uploaded_file_upload
    filename = "ruby_on_rails.jpg"
    path = "#{FILES_DIR}/#{filename}"
    post :test_file_upload, params: {
      file: Rack::Test::UploadedFile.new(path, "image/jpg", true)
    }
    assert_equal "45142", @response.body
  end

  def test_test_uploaded_file_exception_when_file_doesnt_exist
    assert_raise(RuntimeError) { Rack::Test::UploadedFile.new("non_existent_file") }
  end

  def test_redirect_url_only_cares_about_location_header
    get :create
    assert_response :created

    # Redirect url doesn't care that it wasn't a :redirect response.
    assert_equal "/resource", @response.redirect_url
    assert_equal @response.redirect_url, redirect_to_url

    # Must be a :redirect response.
    assert_raise(ActiveSupport::TestCase::Assertion) do
      assert_redirected_to "/resource"
    end
  end

  def test_exception_in_action_reaches_test
    assert_raise(RuntimeError) do
      process :boom, method: "GET"
    end
  end

  def test_request_state_is_cleared_after_exception
    assert_raise(RuntimeError) do
      process :boom,
        method: "GET",
        params: { q: "test1" }
    end

    process :test_query_string,
      method: "GET",
      params: { q: "test2" }

    assert_equal "q=test2", @response.body
  end
end

class ResponseDefaultHeadersTest < ActionController::TestCase
  class TestController < ActionController::Base
    def remove_header
      headers.delete params[:header]
      head :ok, "C" => "3"
    end

    # Render a head response, but don't touch default headers
    def leave_alone
      head :ok
    end
  end

  def before_setup
    @original = ActionDispatch::Response.default_headers
    @defaults = { "A" => "1", "B" => "2" }
    ActionDispatch::Response.default_headers = @defaults
    super
  end

  teardown do
    ActionDispatch::Response.default_headers = @original
  end

  def setup
    super
    @controller = TestController.new
    @request.env["PATH_INFO"] = nil
    @routes = ActionDispatch::Routing::RouteSet.new.tap do |r|
      r.draw do
        ActiveSupport::Deprecation.silence do
          get ":controller(/:action(/:id))"
        end
      end
    end
  end

  test "response contains default headers" do
    get :leave_alone

    # Response headers start out with the defaults
    assert_equal @defaults.merge("Content-Type" => "text/html"), response.headers
  end

  test "response deletes a default header" do
    get :remove_header, params: { header: "A" }
    assert_response :ok

    # After a request, the response in the test case doesn't have the
    # defaults merged on top again.
    assert_not_includes response.headers, "A"
    assert_includes response.headers, "B"
    assert_includes response.headers, "C"
  end
end

module EngineControllerTests
  class Engine < ::Rails::Engine
    isolate_namespace EngineControllerTests

    routes.draw do
      get "/" => "bar#index"
    end
  end

  class BarController < ActionController::Base
    def index
      render plain: "bar"
    end
  end

  class BarControllerTest < ActionController::TestCase
    tests BarController

    def test_engine_controller_route
      get :index
      assert_equal @response.body, "bar"
    end
  end

  class BarControllerTestWithExplicitRouteSet < ActionController::TestCase
    tests BarController

    def setup
      @routes = Engine.routes
    end

    def test_engine_controller_route
      get :index
      assert_equal @response.body, "bar"
    end
  end
end

class InferringClassNameTest < ActionController::TestCase
  def test_determine_controller_class
    assert_equal ContentController, determine_class("ContentControllerTest")
  end

  def test_determine_controller_class_with_nonsense_name
    assert_nil determine_class("HelloGoodBye")
  end

  def test_determine_controller_class_with_sensible_name_where_no_controller_exists
    assert_nil determine_class("NoControllerWithThisNameTest")
  end

  private
    def determine_class(name)
      ActionController::TestCase.determine_default_controller_class(name)
    end
end

class CrazyNameTest < ActionController::TestCase
  tests ContentController

  def test_controller_class_can_be_set_manually_not_just_inferred
    assert_equal ContentController, self.class.controller_class
  end
end

class CrazySymbolNameTest < ActionController::TestCase
  tests :content

  def test_set_controller_class_using_symbol
    assert_equal ContentController, self.class.controller_class
  end
end

class CrazyStringNameTest < ActionController::TestCase
  tests "content"

  def test_set_controller_class_using_string
    assert_equal ContentController, self.class.controller_class
  end
end

class NamedRoutesControllerTest < ActionController::TestCase
  tests ContentController

  def test_should_be_able_to_use_named_routes_before_a_request_is_done
    with_routing do |set|
      set.draw { resources :contents }
      assert_equal "http://test.host/contents/new", new_content_url
      assert_equal "http://test.host/contents/1", content_url(id: 1)
    end
  end
end

class AnonymousControllerTest < ActionController::TestCase
  def setup
    @controller = Class.new(ActionController::Base) do
      def index
        render plain: params[:controller]
      end
    end.new

    @routes = ActionDispatch::Routing::RouteSet.new.tap do |r|
      r.draw do
        ActiveSupport::Deprecation.silence do
          get ":controller(/:action(/:id))"
        end
      end
    end
  end

  def test_controller_name
    get :index
    assert_equal "anonymous", @response.body
  end
end

class RoutingDefaultsTest < ActionController::TestCase
  def setup
    @controller = Class.new(ActionController::Base) do
      def post
        render plain: request.fullpath
      end

      def project
        render plain: request.fullpath
      end
    end.new

    @routes = ActionDispatch::Routing::RouteSet.new.tap do |r|
      r.draw do
        get "/posts/:id", to: "anonymous#post", bucket_type: "post"
        get "/projects/:id", to: "anonymous#project", defaults: { bucket_type: "project" }
      end
    end
  end

  def test_route_option_can_be_passed_via_process
    get :post, params: { id: 1, bucket_type: "post" }
    assert_equal "/posts/1", @response.body
  end

  def test_route_default_is_not_required_for_building_request_uri
    get :project, params: { id: 2 }
    assert_equal "/projects/2", @response.body
  end
end