aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/application/configuration_test.rb
blob: db2106aed31c6cce6c58b01181a8ef6e165f8bcc (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
require "isolation/abstract_unit"
require 'rack/test'
require 'env_helpers'

class ::MyMailInterceptor
  def self.delivering_email(email); email; end
end

class ::MyOtherMailInterceptor < ::MyMailInterceptor; end

class ::MyPreviewMailInterceptor
  def self.previewing_email(email); email; end
end

class ::MyOtherPreviewMailInterceptor < ::MyPreviewMailInterceptor; end

class ::MyMailObserver
  def self.delivered_email(email); email; end
end

class ::MyOtherMailObserver < ::MyMailObserver; end

module ApplicationTests
  class ConfigurationTest < ActiveSupport::TestCase
    include ActiveSupport::Testing::Isolation
    include Rack::Test::Methods
    include EnvHelpers

    def new_app
      File.expand_path("#{app_path}/../new_app")
    end

    def copy_app
      FileUtils.cp_r(app_path, new_app)
    end

    def app
      @app ||= Rails.application
    end

    def setup
      build_app
      boot_rails
      FileUtils.rm_rf("#{app_path}/config/environments")
    end

    def teardown
      teardown_app
      FileUtils.rm_rf(new_app) if File.directory?(new_app)
    end

    test "Rails.env does not set the RAILS_ENV environment variable which would leak out into rake tasks" do
      require "rails"

      switch_env "RAILS_ENV", nil do
        Rails.env = "development"
        assert_equal "development", Rails.env
        assert_nil ENV['RAILS_ENV']
      end
    end

    test "a renders exception on pending migration" do
      add_to_config <<-RUBY
        config.active_record.migration_error    = :page_load
        config.consider_all_requests_local      = true
        config.action_dispatch.show_exceptions  = true
      RUBY

      app_file 'db/migrate/20140708012246_create_user.rb', <<-RUBY
        class CreateUser < ActiveRecord::Migration
          def change
            create_table :users
          end
        end
      RUBY

      require "#{app_path}/config/environment"

      ActiveRecord::Migrator.migrations_paths = ["#{app_path}/db/migrate"]

      begin
        get "/foo"
        assert_equal 500, last_response.status
        assert_match "ActiveRecord::PendingMigrationError", last_response.body
      ensure
        ActiveRecord::Migrator.migrations_paths = nil
      end
    end

    test "Rails.groups returns available groups" do
      require "rails"

      Rails.env = "development"
      assert_equal [:default, "development"], Rails.groups
      assert_equal [:default, "development", :assets], Rails.groups(assets: [:development])
      assert_equal [:default, "development", :another, :assets], Rails.groups(:another, assets: %w(development))

      Rails.env = "test"
      assert_equal [:default, "test"], Rails.groups(assets: [:development])

      ENV["RAILS_GROUPS"] = "javascripts,stylesheets"
      assert_equal [:default, "test", "javascripts", "stylesheets"], Rails.groups
    end

    test "Rails.application is nil until app is initialized" do
      require 'rails'
      assert_nil Rails.application
      require "#{app_path}/config/environment"
      assert_equal AppTemplate::Application.instance, Rails.application
    end

    test "Rails.application responds to all instance methods" do
      require "#{app_path}/config/environment"
      assert_respond_to Rails.application, :routes_reloader
      assert_equal Rails.application.routes_reloader, AppTemplate::Application.routes_reloader
    end

    test "Rails::Application responds to paths" do
      require "#{app_path}/config/environment"
      assert_respond_to AppTemplate::Application, :paths
      assert_equal ["#{app_path}/app/views"], AppTemplate::Application.paths["app/views"].expanded
    end

    test "the application root is set correctly" do
      require "#{app_path}/config/environment"
      assert_equal Pathname.new(app_path), Rails.application.root
    end

    test "the application root can be seen from the application singleton" do
      require "#{app_path}/config/environment"
      assert_equal Pathname.new(app_path), AppTemplate::Application.root
    end

    test "the application root can be set" do
      copy_app
      add_to_config <<-RUBY
        config.root = '#{new_app}'
      RUBY

      use_frameworks []

      require "#{app_path}/config/environment"
      assert_equal Pathname.new(new_app), Rails.application.root
    end

    test "the application root is Dir.pwd if there is no config.ru" do
      File.delete("#{app_path}/config.ru")

      use_frameworks []

      Dir.chdir("#{app_path}") do
        require "#{app_path}/config/environment"
        assert_equal Pathname.new("#{app_path}"), Rails.application.root
      end
    end

    test "Rails.root should be a Pathname" do
      add_to_config <<-RUBY
        config.root = "#{app_path}"
      RUBY
      require "#{app_path}/config/environment"
      assert_instance_of Pathname, Rails.root
    end

    test "Rails.public_path should be a Pathname" do
      add_to_config <<-RUBY
        config.paths["public"] = "somewhere"
      RUBY
      require "#{app_path}/config/environment"
      assert_instance_of Pathname, Rails.public_path
    end

    test "initialize an eager loaded, cache classes app" do
      add_to_config <<-RUBY
        config.eager_load = true
        config.cache_classes = true
      RUBY

      require "#{app_path}/config/application"
      assert Rails.application.initialize!
    end

    test "application is always added to eager_load namespaces" do
      require "#{app_path}/config/application"
      assert Rails.application, Rails.application.config.eager_load_namespaces
    end

    test "the application can be eager loaded even when there are no frameworks" do
      FileUtils.rm_rf("#{app_path}/config/environments")
      add_to_config <<-RUBY
        config.eager_load = true
        config.cache_classes = true
      RUBY

      use_frameworks []

      assert_nothing_raised do
        require "#{app_path}/config/application"
      end
    end

    test "filter_parameters should be able to set via config.filter_parameters" do
      add_to_config <<-RUBY
        config.filter_parameters += [ :foo, 'bar', lambda { |key, value|
          value = value.reverse if key =~ /baz/
        }]
      RUBY

      assert_nothing_raised do
        require "#{app_path}/config/application"
      end
    end

    test "filter_parameters should be able to set via config.filter_parameters in an initializer" do
      app_file 'config/initializers/filter_parameters_logging.rb', <<-RUBY
        Rails.application.config.filter_parameters += [ :password, :foo, 'bar' ]
      RUBY

      require "#{app_path}/config/environment"

      assert_equal [:password, :foo, 'bar'], Rails.application.env_config['action_dispatch.parameter_filter']
    end

    test "config.to_prepare is forwarded to ActionDispatch" do
      $prepared = false

      add_to_config <<-RUBY
        config.to_prepare do
          $prepared = true
        end
      RUBY

      assert !$prepared

      require "#{app_path}/config/environment"

      get "/"
      assert $prepared
    end

    def assert_utf8
      assert_equal Encoding::UTF_8, Encoding.default_external
      assert_equal Encoding::UTF_8, Encoding.default_internal
    end

    test "skipping config.encoding still results in 'utf-8' as the default" do
      require "#{app_path}/config/application"
      assert_utf8
    end

    test "config.encoding sets the default encoding" do
      add_to_config <<-RUBY
        config.encoding = "utf-8"
      RUBY

      require "#{app_path}/config/application"
      assert_utf8
    end

    test "config.paths.public sets Rails.public_path" do
      add_to_config <<-RUBY
        config.paths["public"] = "somewhere"
      RUBY

      require "#{app_path}/config/application"
      assert_equal Pathname.new(app_path).join("somewhere"), Rails.public_path
    end

    test "Use key_generator when secret_key_base is set" do
      make_basic_app do |app|
        app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
        app.config.session_store :disabled
      end

      class ::OmgController < ActionController::Base
        def index
          cookies.signed[:some_key] = "some_value"
          render text: cookies[:some_key]
        end
      end

      get "/"

      secret = app.key_generator.generate_key('signed cookie')
      verifier = ActiveSupport::MessageVerifier.new(secret)
      assert_equal 'some_value', verifier.verify(last_response.body)
    end

    test "application verifier can be used in the entire application" do
      make_basic_app do |app|
        app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
        app.config.session_store :disabled
      end

      message = app.message_verifier(:sensitive_value).generate("some_value")

      assert_equal 'some_value', Rails.application.message_verifier(:sensitive_value).verify(message)

      secret = app.key_generator.generate_key('sensitive_value')
      verifier = ActiveSupport::MessageVerifier.new(secret)
      assert_equal 'some_value', verifier.verify(message)
    end

    test "application verifier can build different verifiers" do
      make_basic_app do |app|
        app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
        app.config.session_store :disabled
      end

      default_verifier = app.message_verifier(:sensitive_value)
      text_verifier = app.message_verifier(:text)

      message = text_verifier.generate('some_value')

      assert_equal 'some_value', text_verifier.verify(message)
      assert_raises ActiveSupport::MessageVerifier::InvalidSignature do
        default_verifier.verify(message)
      end

      assert_equal default_verifier.object_id, app.message_verifier(:sensitive_value).object_id
      assert_not_equal default_verifier.object_id, text_verifier.object_id
    end

    test "secrets.secret_key_base is used when config/secrets.yml is present" do
      app_file 'config/secrets.yml', <<-YAML
        development:
          secret_key_base: 3b7cd727ee24e8444053437c36cc66c3
      YAML

      require "#{app_path}/config/environment"
      assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_key_base
    end

    test "secret_key_base is copied from config to secrets when not set" do
      remove_file "config/secrets.yml"
      app_file 'config/initializers/secret_token.rb', <<-RUBY
        Rails.application.config.secret_key_base = "3b7cd727ee24e8444053437c36cc66c3"
      RUBY

      require "#{app_path}/config/environment"
      assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_key_base
    end

    test "custom secrets saved in config/secrets.yml are loaded in app secrets" do
      app_file 'config/secrets.yml', <<-YAML
        development:
          secret_key_base: 3b7cd727ee24e8444053437c36cc66c3
          aws_access_key_id: myamazonaccesskeyid
          aws_secret_access_key: myamazonsecretaccesskey
      YAML

      require "#{app_path}/config/environment"
      assert_equal 'myamazonaccesskeyid', app.secrets.aws_access_key_id
      assert_equal 'myamazonsecretaccesskey', app.secrets.aws_secret_access_key
    end

    test "blank config/secrets.yml does not crash the loading process" do
      app_file 'config/secrets.yml', <<-YAML
      YAML
      require "#{app_path}/config/environment"

      assert_nil app.secrets.not_defined
    end

    test "protect from forgery is the default in a new app" do
      make_basic_app

      class ::OmgController < ActionController::Base
        def index
          render inline: "<%= csrf_meta_tags %>"
        end
      end

      get "/"
      assert last_response.body =~ /csrf\-param/
    end

    test "default method for update can be changed" do
      app_file 'app/models/post.rb', <<-RUBY
      class Post
        include ActiveModel::Model
        def to_key; [1]; end
        def persisted?; true; end
      end
      RUBY

      token = "cf50faa3fe97702ca1ae"

      app_file 'app/controllers/posts_controller.rb', <<-RUBY
      class PostsController < ApplicationController
        def show
          render inline: "<%= begin; form_for(Post.new) {}; rescue => e; e.to_s; end %>"
        end

        def update
          render text: "update"
        end

        private

        def form_authenticity_token; token; end # stub the authenticy token
      end
      RUBY

      add_to_config <<-RUBY
        routes.prepend do
          resources :posts
        end
      RUBY

      require "#{app_path}/config/environment"

      params = {authenticity_token: token}

      get "/posts/1"
      assert_match(/patch/, last_response.body)

      patch "/posts/1", params
      assert_match(/update/, last_response.body)

      patch "/posts/1", params
      assert_equal 200, last_response.status

      put "/posts/1", params
      assert_match(/update/, last_response.body)

      put "/posts/1", params
      assert_equal 200, last_response.status
    end

    test "request forgery token param can be changed" do
      make_basic_app do
        app.config.action_controller.request_forgery_protection_token = '_xsrf_token_here'
      end

      class ::OmgController < ActionController::Base
        def index
          render inline: "<%= csrf_meta_tags %>"
        end
      end

      get "/"
      assert_match "_xsrf_token_here", last_response.body
    end

    test "sets ActionDispatch.test_app" do
      make_basic_app
      assert_equal Rails.application, ActionDispatch.test_app
    end

    test "sets ActionDispatch::Response.default_charset" do
      make_basic_app do |app|
        app.config.action_dispatch.default_charset = "utf-16"
      end

      assert_equal "utf-16", ActionDispatch::Response.default_charset
    end

    test "registers interceptors with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.interceptors = MyMailInterceptor
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [::MyMailInterceptor], ::Mail.send(:class_variable_get, "@@delivery_interceptors")
    end

    test "registers multiple interceptors with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.interceptors = [MyMailInterceptor, "MyOtherMailInterceptor"]
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [::MyMailInterceptor, ::MyOtherMailInterceptor], ::Mail.send(:class_variable_get, "@@delivery_interceptors")
    end

    test "registers preview interceptors with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.preview_interceptors = MyPreviewMailInterceptor
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [::MyPreviewMailInterceptor], ActionMailer::Base.preview_interceptors
    end

    test "registers multiple preview interceptors with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.preview_interceptors = [MyPreviewMailInterceptor, "MyOtherPreviewMailInterceptor"]
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [MyPreviewMailInterceptor, MyOtherPreviewMailInterceptor], ActionMailer::Base.preview_interceptors
    end

    test "registers observers with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.observers = MyMailObserver
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [::MyMailObserver], ::Mail.send(:class_variable_get, "@@delivery_notification_observers")
    end

    test "registers multiple observers with ActionMailer" do
      add_to_config <<-RUBY
        config.action_mailer.observers = [MyMailObserver, "MyOtherMailObserver"]
      RUBY

      require "#{app_path}/config/environment"
      require "mail"

      _ = ActionMailer::Base

      assert_equal [::MyMailObserver, ::MyOtherMailObserver], ::Mail.send(:class_variable_get, "@@delivery_notification_observers")
    end

    test "valid timezone is setup correctly" do
      add_to_config <<-RUBY
        config.root = "#{app_path}"
        config.time_zone = "Wellington"
      RUBY

      require "#{app_path}/config/environment"

      assert_equal "Wellington", Rails.application.config.time_zone
    end

    test "raises when an invalid timezone is defined in the config" do
      add_to_config <<-RUBY
        config.root = "#{app_path}"
        config.time_zone = "That big hill over yonder hill"
      RUBY

      assert_raise(ArgumentError) do
        require "#{app_path}/config/environment"
      end
    end

    test "valid beginning of week is setup correctly" do
      add_to_config <<-RUBY
        config.root = "#{app_path}"
        config.beginning_of_week = :wednesday
      RUBY

      require "#{app_path}/config/environment"

      assert_equal :wednesday, Rails.application.config.beginning_of_week
    end

    test "raises when an invalid beginning of week is defined in the config" do
      add_to_config <<-RUBY
        config.root = "#{app_path}"
        config.beginning_of_week = :invalid
      RUBY

      assert_raise(ArgumentError) do
        require "#{app_path}/config/environment"
      end
    end

    test "config.action_view.cache_template_loading with cache_classes default" do
      add_to_config "config.cache_classes = true"
      require "#{app_path}/config/environment"
      require 'action_view/base'

      assert_equal true, ActionView::Resolver.caching?
    end

    test "config.action_view.cache_template_loading without cache_classes default" do
      add_to_config "config.cache_classes = false"
      require "#{app_path}/config/environment"
      require 'action_view/base'

      assert_equal false, ActionView::Resolver.caching?
    end

    test "config.action_view.cache_template_loading = false" do
      add_to_config <<-RUBY
        config.cache_classes = true
        config.action_view.cache_template_loading = false
      RUBY
      require "#{app_path}/config/environment"
      require 'action_view/base'

      assert_equal false, ActionView::Resolver.caching?
    end

    test "config.action_view.cache_template_loading = true" do
      add_to_config <<-RUBY
        config.cache_classes = false
        config.action_view.cache_template_loading = true
      RUBY
      require "#{app_path}/config/environment"
      require 'action_view/base'

      assert_equal true, ActionView::Resolver.caching?
    end

    test "config.action_view.cache_template_loading with cache_classes in an environment" do
      build_app(initializers: true)
      add_to_env_config "development", "config.cache_classes = false"

      # These requires are to emulate an engine loading Action View before the application
      require 'action_view'
      require 'action_view/railtie'
      require 'action_view/base'

      require "#{app_path}/config/environment"

      assert_equal false, ActionView::Resolver.caching?
    end

    test "config.action_dispatch.show_exceptions is sent in env" do
      make_basic_app do |app|
        app.config.action_dispatch.show_exceptions = true
      end

      class ::OmgController < ActionController::Base
        def index
          render text: env["action_dispatch.show_exceptions"]
        end
      end

      get "/"
      assert_equal 'true', last_response.body
    end

    test "config.action_controller.wrap_parameters is set in ActionController::Base" do
      app_file 'config/initializers/wrap_parameters.rb', <<-RUBY
        ActionController::Base.wrap_parameters format: [:json]
      RUBY

      app_file 'app/models/post.rb', <<-RUBY
      class Post
        def self.attribute_names
          %w(title)
        end
      end
      RUBY

      app_file 'app/controllers/application_controller.rb', <<-RUBY
      class ApplicationController < ActionController::Base
        protect_from_forgery with: :reset_session # as we are testing API here
      end
      RUBY

      app_file 'app/controllers/posts_controller.rb', <<-RUBY
      class PostsController < ApplicationController
        def create
          render text: params[:post].inspect
        end
      end
      RUBY

      add_to_config <<-RUBY
        routes.prepend do
          resources :posts
        end
      RUBY

      require "#{app_path}/config/environment"

      post "/posts.json", '{ "title": "foo", "name": "bar" }', "CONTENT_TYPE" => "application/json"
      assert_equal '{"title"=>"foo"}', last_response.body
    end

    test "config.action_controller.permit_all_parameters = true" do
      app_file 'app/controllers/posts_controller.rb', <<-RUBY
      class PostsController < ActionController::Base
        def create
          render text: params[:post].permitted? ? "permitted" : "forbidden"
        end
      end
      RUBY

      add_to_config <<-RUBY
        routes.prepend do
          resources :posts
        end
        config.action_controller.permit_all_parameters = true
      RUBY

      require "#{app_path}/config/environment"

      post "/posts", {post: {"title" =>"zomg"}}
      assert_equal 'permitted', last_response.body
    end

    test "config.action_controller.action_on_unpermitted_parameters = :raise" do
      app_file 'app/controllers/posts_controller.rb', <<-RUBY
      class PostsController < ActionController::Base
        def create
          render text: params.require(:post).permit(:name)
        end
      end
      RUBY

      add_to_config <<-RUBY
        routes.prepend do
          resources :posts
        end
        config.action_controller.action_on_unpermitted_parameters = :raise
      RUBY

      require "#{app_path}/config/environment"

      assert_equal :raise, ActionController::Parameters.action_on_unpermitted_parameters

      post "/posts", {post: {"title" =>"zomg"}}
      assert_match "We're sorry, but something went wrong", last_response.body
    end

    test "config.action_controller.always_permitted_parameters are: controller, action by default" do
      require "#{app_path}/config/environment"
      assert_equal %w(controller action), ActionController::Parameters.always_permitted_parameters
    end

    test "config.action_controller.always_permitted_parameters = ['controller', 'action', 'format']" do
      add_to_config <<-RUBY
        config.action_controller.always_permitted_parameters = %w( controller action format )
      RUBY
      require "#{app_path}/config/environment"
      assert_equal %w( controller action format ), ActionController::Parameters.always_permitted_parameters
    end

    test "config.action_controller.always_permitted_parameters = ['controller','action','format'] does not raise exeception" do
      app_file 'app/controllers/posts_controller.rb', <<-RUBY
      class PostsController < ActionController::Base
        def create
          render text: params.permit(post: [:title])
        end
      end
      RUBY

      add_to_config <<-RUBY
        routes.prepend do
          resources :posts
        end
        config.action_controller.always_permitted_parameters = %w( controller action format )
        config.action_controller.action_on_unpermitted_parameters = :raise
      RUBY

      require "#{app_path}/config/environment"

      assert_equal :raise, ActionController::Parameters.action_on_unpermitted_parameters

      post "/posts", {post: {"title" =>"zomg"}, format: "json"}
      assert_equal 200, last_response.status
    end

    test "config.action_controller.action_on_unpermitted_parameters is :log by default on development" do
      ENV["RAILS_ENV"] = "development"

      require "#{app_path}/config/environment"

      assert_equal :log, ActionController::Parameters.action_on_unpermitted_parameters
    end

    test "config.action_controller.action_on_unpermitted_parameters is :log by default on test" do
      ENV["RAILS_ENV"] = "test"

      require "#{app_path}/config/environment"

      assert_equal :log, ActionController::Parameters.action_on_unpermitted_parameters
    end

    test "config.action_controller.action_on_unpermitted_parameters is false by default on production" do
      ENV["RAILS_ENV"] = "production"

      require "#{app_path}/config/environment"

      assert_equal false, ActionController::Parameters.action_on_unpermitted_parameters
    end

    test "config.action_dispatch.ignore_accept_header" do
      make_basic_app do |app|
        app.config.action_dispatch.ignore_accept_header = true
      end

      class ::OmgController < ActionController::Base
        def index
          respond_to do |format|
            format.html { render text: "HTML" }
            format.xml { render text: "XML" }
          end
        end
      end

      get "/", {}, "HTTP_ACCEPT" => "application/xml"
      assert_equal 'HTML', last_response.body

      get "/", { format: :xml }, "HTTP_ACCEPT" => "application/xml"
      assert_equal 'XML', last_response.body
    end

    test "Rails.application#env_config exists and include some existing parameters" do
      make_basic_app

      assert_respond_to app, :env_config
      assert_equal      app.env_config['action_dispatch.parameter_filter'],  app.config.filter_parameters
      assert_equal      app.env_config['action_dispatch.show_exceptions'],   app.config.action_dispatch.show_exceptions
      assert_equal      app.env_config['action_dispatch.logger'],            Rails.logger
      assert_equal      app.env_config['action_dispatch.backtrace_cleaner'], Rails.backtrace_cleaner
      assert_equal      app.env_config['action_dispatch.key_generator'],     Rails.application.key_generator
    end

    test "config.colorize_logging default is true" do
      make_basic_app
      assert app.config.colorize_logging
    end

    test "config.session_store with :active_record_store with activerecord-session_store gem" do
      begin
        make_basic_app do |app|
          ActionDispatch::Session::ActiveRecordStore = Class.new(ActionDispatch::Session::CookieStore)
          app.config.session_store :active_record_store
        end
      ensure
        ActionDispatch::Session.send :remove_const, :ActiveRecordStore
      end
    end

    test "config.session_store with :active_record_store without activerecord-session_store gem" do
      assert_raise RuntimeError, /activerecord-session_store/ do
        make_basic_app do |app|
          app.config.session_store :active_record_store
        end
      end
    end

    test "config.log_level with custom logger" do
      make_basic_app do |app|
        app.config.logger = Logger.new(STDOUT)
        app.config.log_level = :info
      end
      assert_equal Logger::INFO, Rails.logger.level
    end

    test "respond_to? accepts include_private" do
      make_basic_app

      assert_not Rails.configuration.respond_to?(:method_missing)
      assert Rails.configuration.respond_to?(:method_missing, true)
    end

    test "config.active_record.dump_schema_after_migration is false on production" do
      build_app
      ENV["RAILS_ENV"] = "production"

      require "#{app_path}/config/environment"

      assert_not ActiveRecord::Base.dump_schema_after_migration
    end

    test "config.active_record.dump_schema_after_migration is true by default on development" do
      ENV["RAILS_ENV"] = "development"

      require "#{app_path}/config/environment"

      assert ActiveRecord::Base.dump_schema_after_migration
    end

    test "config.annotations wrapping SourceAnnotationExtractor::Annotation class" do
      make_basic_app do |app|
        app.config.annotations.register_extensions("coffee") do |tag|
          /#\s*(#{tag}):?\s*(.*)$/
        end
      end

      assert_not_nil SourceAnnotationExtractor::Annotation.extensions[/\.(coffee)$/]
    end

    test "rake_tasks block works at instance level" do
      app_file "config/environments/development.rb", <<-RUBY
        Rails.application.configure do
          config.ran_block = false

          rake_tasks do
            config.ran_block = true
          end
        end
      RUBY

      require "#{app_path}/config/environment"
      assert_not Rails.configuration.ran_block

      require 'rake'
      require 'rake/testtask'
      require 'rdoc/task'

      Rails.application.load_tasks
      assert Rails.configuration.ran_block
    end

    test "generators block works at instance level" do
      app_file "config/environments/development.rb", <<-RUBY
        Rails.application.configure do
          config.ran_block = false

          generators do
            config.ran_block = true
          end
        end
      RUBY

      require "#{app_path}/config/environment"
      assert_not Rails.configuration.ran_block

      Rails.application.load_generators
      assert Rails.configuration.ran_block
    end

    test "console block works at instance level" do
      app_file "config/environments/development.rb", <<-RUBY
        Rails.application.configure do
          config.ran_block = false

          console do
            config.ran_block = true
          end
        end
      RUBY

      require "#{app_path}/config/environment"
      assert_not Rails.configuration.ran_block

      Rails.application.load_console
      assert Rails.configuration.ran_block
    end

    test "runner block works at instance level" do
      app_file "config/environments/development.rb", <<-RUBY
        Rails.application.configure do
          config.ran_block = false

          runner do
            config.ran_block = true
          end
        end
      RUBY

      require "#{app_path}/config/environment"
      assert_not Rails.configuration.ran_block

      Rails.application.load_runner
      assert Rails.configuration.ran_block
    end

    test "loading the first existing database configuration available" do
      app_file 'config/environments/development.rb', <<-RUBY

      Rails.application.configure do
        config.paths.add 'config/database', with: 'config/nonexistant.yml'
        config.paths['config/database'] << 'config/database.yml'
        end
      RUBY

      require "#{app_path}/config/environment"

      assert_kind_of Hash, Rails.application.config.database_configuration
    end

    test 'config.action_mailer.show_previews defaults to true in development' do
      Rails.env = "development"
      require "#{app_path}/config/environment"

      assert Rails.application.config.action_mailer.show_previews
    end

    test 'config.action_mailer.show_previews defaults to false in production' do
      Rails.env = "production"
      require "#{app_path}/config/environment"

      assert_equal false, Rails.application.config.action_mailer.show_previews
    end

    test 'config.action_mailer.show_previews can be set in the configuration file' do
      Rails.env = "production"
      add_to_config <<-RUBY
        config.action_mailer.show_previews = true
      RUBY
      require "#{app_path}/config/environment"

      assert_equal true, Rails.application.config.action_mailer.show_previews
    end

    test "config_for loads custom configuration from yaml files" do
      app_file 'config/custom.yml', <<-RUBY
      development:
        key: 'custom key'
      RUBY

      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY

      require "#{app_path}/config/environment"

      assert_equal 'custom key', Rails.application.config.my_custom_config['key']
    end

    test "config_for raises an exception if the file does not exist" do
      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY

      exception = assert_raises(RuntimeError) do
        require "#{app_path}/config/environment"
      end

      assert_equal "Could not load configuration. No such file - #{app_path}/config/custom.yml", exception.message
    end

    test "config_for without the environment configured returns an empty hash" do
      app_file 'config/custom.yml', <<-RUBY
      test:
        key: 'custom key'
      RUBY

      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY
      require "#{app_path}/config/environment"

      assert_equal({}, Rails.application.config.my_custom_config)
    end

    test "config_for with empty file returns an empty hash" do
      app_file 'config/custom.yml', <<-RUBY
      RUBY

      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY
      require "#{app_path}/config/environment"

      assert_equal({}, Rails.application.config.my_custom_config)
    end

    test "config_for containing ERB tags should evaluate" do
      app_file 'config/custom.yml', <<-RUBY
      development:
        key: <%= 'custom key' %>
      RUBY

      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY
      require "#{app_path}/config/environment"

      assert_equal 'custom key', Rails.application.config.my_custom_config['key']
    end

    test "config_for with syntax error show a more descritive exception" do
      app_file 'config/custom.yml', <<-RUBY
      development:
        key: foo:
      RUBY

      add_to_config <<-RUBY
        config.my_custom_config = config_for('custom')
      RUBY

      exception = assert_raises(RuntimeError) do
        require "#{app_path}/config/environment"
      end

      assert_match 'YAML syntax error occurred while parsing', exception.message
    end
  end
end