aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/autosave_association_test.rb
blob: ddca5e962d4061734c21448a457f5e477b9f4ed6 (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
require 'cases/helper'
require 'models/bird'
require 'models/company'
require 'models/customer'
require 'models/developer'
require 'models/order'
require 'models/parrot'
require 'models/person'
require 'models/pirate'
require 'models/post'
require 'models/reader'
require 'models/ship'
require 'models/ship_part'
require 'models/treasure'
require 'models/company'

class TestAutosaveAssociationsInGeneral < ActiveRecord::TestCase
  def test_autosave_should_be_a_valid_option_for_has_one
    assert base.valid_keys_for_has_one_association.include?(:autosave)
  end

  def test_autosave_should_be_a_valid_option_for_belongs_to
    assert base.valid_keys_for_belongs_to_association.include?(:autosave)
  end

  def test_autosave_should_be_a_valid_option_for_has_many
    assert base.valid_keys_for_has_many_association.include?(:autosave)
  end

  def test_autosave_should_be_a_valid_option_for_has_and_belongs_to_many
    assert base.valid_keys_for_has_and_belongs_to_many_association.include?(:autosave)
  end

  private

  def base
    ActiveRecord::Base
  end
end

class TestDefaultAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase
  fixtures :companies, :accounts

  def test_should_save_parent_but_not_invalid_child
    firm = Firm.new(:name => 'GlobalMegaCorp')
    assert firm.valid?

    firm.build_account_using_primary_key
    assert !firm.build_account_using_primary_key.valid?

    assert firm.save
    assert firm.account_using_primary_key.new_record?
  end

  def test_save_fails_for_invalid_has_one
    firm = Firm.find(:first)
    assert firm.valid?

    firm.account = Account.new

    assert !firm.account.valid?
    assert !firm.valid?
    assert !firm.save
    assert_equal ["is invalid"], firm.errors["account"]
  end

  def test_save_succeeds_for_invalid_has_one_with_validate_false
    firm = Firm.find(:first)
    assert firm.valid?

    firm.unvalidated_account = Account.new

    assert !firm.unvalidated_account.valid?
    assert firm.valid?
    assert firm.save
  end

  def test_build_before_child_saved
    firm = Firm.find(1)

    account = firm.account.build("credit_limit" => 1000)
    assert_equal account, firm.account
    assert account.new_record?
    assert firm.save
    assert_equal account, firm.account
    assert !account.new_record?
  end

  def test_build_before_either_saved
    firm = Firm.new("name" => "GlobalMegaCorp")

    firm.account = account = Account.new("credit_limit" => 1000)
    assert_equal account, firm.account
    assert account.new_record?
    assert firm.save
    assert_equal account, firm.account
    assert !account.new_record?
  end

  def test_assignment_before_parent_saved
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.account = a = Account.find(1)
    assert firm.new_record?
    assert_equal a, firm.account
    assert firm.save
    assert_equal a, firm.account
    assert_equal a, firm.account(true)
  end

  def test_assignment_before_either_saved
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.account = a = Account.new("credit_limit" => 1000)
    assert firm.new_record?
    assert a.new_record?
    assert_equal a, firm.account
    assert firm.save
    assert !firm.new_record?
    assert !a.new_record?
    assert_equal a, firm.account
    assert_equal a, firm.account(true)
  end

  def test_not_resaved_when_unchanged
    firm = Firm.find(:first, :include => :account)
    firm.name += '-changed'
    assert_queries(1) { firm.save! }

    firm = Firm.find(:first)
    firm.account = Account.find(:first)
    assert_queries(Firm.partial_updates? ? 0 : 1) { firm.save! }

    firm = Firm.find(:first).clone
    firm.account = Account.find(:first)
    assert_queries(2) { firm.save! }

    firm = Firm.find(:first).clone
    firm.account = Account.find(:first).clone
    assert_queries(2) { firm.save! }
  end
end

class TestDefaultAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase
  fixtures :companies

  def test_should_save_parent_but_not_invalid_child
    client = Client.new(:name => 'Joe (the Plumber)')
    assert client.valid?

    client.build_firm
    assert !client.firm.valid?

    assert client.save
    assert client.firm.new_record?
  end

  def test_save_fails_for_invalid_belongs_to
    assert log = AuditLog.create(:developer_id => 0, :message => "")

    log.developer = Developer.new
    assert !log.developer.valid?
    assert !log.valid?
    assert !log.save
    assert_equal ["is invalid"], log.errors["developer"]
  end

  def test_save_succeeds_for_invalid_belongs_to_with_validate_false
    assert log = AuditLog.create(:developer_id => 0, :message=> "")

    log.unvalidated_developer = Developer.new
    assert !log.unvalidated_developer.valid?
    assert log.valid?
    assert log.save
  end

  def test_assignment_before_parent_saved
    client = Client.find(:first)
    apple = Firm.new("name" => "Apple")
    client.firm = apple
    assert_equal apple, client.firm
    assert apple.new_record?
    assert client.save
    assert apple.save
    assert !apple.new_record?
    assert_equal apple, client.firm
    assert_equal apple, client.firm(true)
  end

  def test_assignment_before_either_saved
    final_cut = Client.new("name" => "Final Cut")
    apple = Firm.new("name" => "Apple")
    final_cut.firm = apple
    assert final_cut.new_record?
    assert apple.new_record?
    assert final_cut.save
    assert !final_cut.new_record?
    assert !apple.new_record?
    assert_equal apple, final_cut.firm
    assert_equal apple, final_cut.firm(true)
  end

  def test_store_two_association_with_one_save
    num_orders = Order.count
    num_customers = Customer.count
    order = Order.new

    customer1 = order.billing = Customer.new
    customer2 = order.shipping = Customer.new
    assert order.save
    assert_equal customer1, order.billing
    assert_equal customer2, order.shipping

    order.reload

    assert_equal customer1, order.billing
    assert_equal customer2, order.shipping

    assert_equal num_orders +1, Order.count
    assert_equal num_customers +2, Customer.count
  end

  def test_store_association_in_two_relations_with_one_save
    num_orders = Order.count
    num_customers = Customer.count
    order = Order.new

    customer = order.billing = order.shipping = Customer.new
    assert order.save
    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    order.reload

    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    assert_equal num_orders +1, Order.count
    assert_equal num_customers +1, Customer.count
  end

  def test_store_association_in_two_relations_with_one_save_in_existing_object
    num_orders = Order.count
    num_customers = Customer.count
    order = Order.create

    customer = order.billing = order.shipping = Customer.new
    assert order.save
    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    order.reload

    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    assert_equal num_orders +1, Order.count
    assert_equal num_customers +1, Customer.count
  end

  def test_store_association_in_two_relations_with_one_save_in_existing_object_with_values
    num_orders = Order.count
    num_customers = Customer.count
    order = Order.create

    customer = order.billing = order.shipping = Customer.new
    assert order.save
    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    order.reload

    customer = order.billing = order.shipping = Customer.new

    assert order.save
    order.reload

    assert_equal customer, order.billing
    assert_equal customer, order.shipping

    assert_equal num_orders +1, Order.count
    assert_equal num_customers +2, Customer.count
  end
end

class TestDefaultAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCase
  fixtures :companies, :people

  def test_invalid_adding
    firm = Firm.find(1)
    assert !(firm.clients_of_firm << c = Client.new)
    assert c.new_record?
    assert !firm.valid?
    assert !firm.save
    assert c.new_record?
  end

  def test_invalid_adding_before_save
    no_of_firms = Firm.count
    no_of_clients = Client.count
    new_firm = Firm.new("name" => "A New Firm, Inc")
    new_firm.clients_of_firm.concat([c = Client.new, Client.new("name" => "Apple")])
    assert c.new_record?
    assert !c.valid?
    assert !new_firm.valid?
    assert !new_firm.save
    assert c.new_record?
    assert new_firm.new_record?
  end

  def test_invalid_adding_with_validate_false
    firm = Firm.find(:first)
    client = Client.new
    firm.unvalidated_clients_of_firm << client

    assert firm.valid?
    assert !client.valid?
    assert firm.save
    assert client.new_record?
  end

  def test_valid_adding_with_validate_false
    no_of_clients = Client.count

    firm = Firm.find(:first)
    client = Client.new("name" => "Apple")

    assert firm.valid?
    assert client.valid?
    assert client.new_record?

    firm.unvalidated_clients_of_firm << client

    assert firm.save
    assert !client.new_record?
    assert_equal no_of_clients+1, Client.count
  end

  def test_invalid_build
    new_client = companies(:first_firm).clients_of_firm.build
    assert new_client.new_record?
    assert !new_client.valid?
    assert_equal new_client, companies(:first_firm).clients_of_firm.last
    assert !companies(:first_firm).save
    assert new_client.new_record?
    assert_equal 1, companies(:first_firm).clients_of_firm(true).size
  end

  def test_adding_before_save
    no_of_firms = Firm.count
    no_of_clients = Client.count

    new_firm = Firm.new("name" => "A New Firm, Inc")
    c = Client.new("name" => "Apple")

    new_firm.clients_of_firm.push Client.new("name" => "Natural Company")
    assert_equal 1, new_firm.clients_of_firm.size
    new_firm.clients_of_firm << c
    assert_equal 2, new_firm.clients_of_firm.size

    assert_equal no_of_firms, Firm.count      # Firm was not saved to database.
    assert_equal no_of_clients, Client.count  # Clients were not saved to database.
    assert new_firm.save
    assert !new_firm.new_record?
    assert !c.new_record?
    assert_equal new_firm, c.firm
    assert_equal no_of_firms+1, Firm.count      # Firm was saved to database.
    assert_equal no_of_clients+2, Client.count  # Clients were saved to database.

    assert_equal 2, new_firm.clients_of_firm.size
    assert_equal 2, new_firm.clients_of_firm(true).size
  end

  def test_assign_ids
    firm = Firm.new("name" => "Apple")
    firm.client_ids = [companies(:first_client).id, companies(:second_client).id]
    firm.save
    firm.reload
    assert_equal 2, firm.clients.length
    assert firm.clients.include?(companies(:second_client))
  end

  def test_assign_ids_for_through_a_belongs_to
    post = Post.new(:title => "Assigning IDs works!", :body => "You heared it here first, folks!")
    post.person_ids = [people(:david).id, people(:michael).id]
    post.save
    post.reload
    assert_equal 2, post.people.length
    assert post.people.include?(people(:david))
  end

  def test_build_before_save
    company = companies(:first_firm)
    new_client = assert_no_queries { company.clients_of_firm.build("name" => "Another Client") }
    assert !company.clients_of_firm.loaded?

    company.name += '-changed'
    assert_queries(2) { assert company.save }
    assert !new_client.new_record?
    assert_equal 2, company.clients_of_firm(true).size
  end

  def test_build_many_before_save
    company = companies(:first_firm)
    new_clients = assert_no_queries { company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) }

    company.name += '-changed'
    assert_queries(3) { assert company.save }
    assert_equal 3, company.clients_of_firm(true).size
  end

  def test_build_via_block_before_save
    company = companies(:first_firm)
    new_client = assert_no_queries { company.clients_of_firm.build {|client| client.name = "Another Client" } }
    assert !company.clients_of_firm.loaded?

    company.name += '-changed'
    assert_queries(2) { assert company.save }
    assert !new_client.new_record?
    assert_equal 2, company.clients_of_firm(true).size
  end

  def test_build_many_via_block_before_save
    company = companies(:first_firm)
    new_clients = assert_no_queries do
      company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) do |client|
        client.name = "changed"
      end
    end

    company.name += '-changed'
    assert_queries(3) { assert company.save }
    assert_equal 3, company.clients_of_firm(true).size
  end

  def test_replace_on_new_object
    firm = Firm.new("name" => "New Firm")
    firm.clients = [companies(:second_client), Client.new("name" => "New Client")]
    assert firm.save
    firm.reload
    assert_equal 2, firm.clients.length
    assert firm.clients.include?(Client.find_by_name("New Client"))
  end
end

class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

  def setup
    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
    @ship = @pirate.create_ship(:name => 'Nights Dirty Lightning')
  end

  # reload
  def test_a_marked_for_destruction_record_should_not_be_be_marked_after_reload
    @pirate.mark_for_destruction
    @pirate.ship.mark_for_destruction

    assert !@pirate.reload.marked_for_destruction?
    assert !@pirate.ship.marked_for_destruction?
  end

  # has_one
  def test_should_destroy_a_child_association_as_part_of_the_save_transaction_if_it_was_marked_for_destroyal
    assert !@pirate.ship.marked_for_destruction?

    @pirate.ship.mark_for_destruction
    id = @pirate.ship.id

    assert @pirate.ship.marked_for_destruction?
    assert Ship.find_by_id(id)

    @pirate.save
    assert_nil @pirate.reload.ship
    assert_nil Ship.find_by_id(id)
  end

  def test_should_skip_validation_on_a_child_association_if_marked_for_destruction
    @pirate.ship.name = ''
    assert !@pirate.valid?

    @pirate.ship.mark_for_destruction
    assert_difference('Ship.count', -1) { @pirate.save! }
  end

  def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_child
    # Stub the save method of the @pirate.ship instance to destroy and then raise an exception
    class << @pirate.ship
      def save(*args)
        super
        destroy
        raise 'Oh noes!'
      end
    end

    assert_raise(RuntimeError) { assert !@pirate.save }
    assert_not_nil @pirate.reload.ship
  end

  # belongs_to
  def test_should_destroy_a_parent_association_as_part_of_the_save_transaction_if_it_was_marked_for_destroyal
    assert !@ship.pirate.marked_for_destruction?

    @ship.pirate.mark_for_destruction
    id = @ship.pirate.id

    assert @ship.pirate.marked_for_destruction?
    assert Pirate.find_by_id(id)

    @ship.save
    assert_nil @ship.reload.pirate
    assert_nil Pirate.find_by_id(id)
  end

  def test_should_skip_validation_on_a_parent_association_if_marked_for_destruction
    @ship.pirate.catchphrase = ''
    assert !@ship.valid?

    @ship.pirate.mark_for_destruction
    assert_difference('Pirate.count', -1) { @ship.save! }
  end

  def test_should_rollback_destructions_if_an_exception_occurred_while_saving_a_parent
    # Stub the save method of the @ship.pirate instance to destroy and then raise an exception
    class << @ship.pirate
      def save(*args)
        super
        destroy
        raise 'Oh noes!'
      end
    end

    assert_raise(RuntimeError) { assert !@ship.save }
    assert_not_nil @ship.reload.pirate
  end

  # has_many & has_and_belongs_to
  %w{ parrots birds }.each do |association_name|
    define_method("test_should_destroy_#{association_name}_as_part_of_the_save_transaction_if_they_were_marked_for_destroyal") do
      2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") }

      assert !@pirate.send(association_name).any? { |child| child.marked_for_destruction? }

      @pirate.send(association_name).each { |child| child.mark_for_destruction }
      klass = @pirate.send(association_name).first.class
      ids = @pirate.send(association_name).map(&:id)

      assert @pirate.send(association_name).all? { |child| child.marked_for_destruction? }
      ids.each { |id| assert klass.find_by_id(id) }

      @pirate.save
      assert @pirate.reload.send(association_name).empty?
      ids.each { |id| assert_nil klass.find_by_id(id) }
    end

    define_method("test_should_skip_validation_on_the_#{association_name}_association_if_marked_for_destruction") do
      2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") }
      children = @pirate.send(association_name)

      children.each { |child| child.name = '' }
      assert !@pirate.valid?

      children.each { |child| child.mark_for_destruction }
      assert_difference("#{association_name.classify}.count", -2) { @pirate.save! }
    end

    define_method("test_should_rollback_destructions_if_an_exception_occurred_while_saving_#{association_name}") do
      2.times { |i| @pirate.send(association_name).create!(:name => "#{association_name}_#{i}") }
      before = @pirate.send(association_name).map { |c| c }

      # Stub the save method of the first child to destroy and the second to raise an exception
      class << before.first
        def save(*args)
          super
          destroy
        end
      end
      class << before.last
        def save(*args)
          super
          raise 'Oh noes!'
        end
      end

      assert_raise(RuntimeError) { assert !@pirate.save }
      assert_equal before, @pirate.reload.send(association_name)
    end

    # Add and remove callbacks tests for association collections.
    %w{ method proc }.each do |callback_type|
      define_method("test_should_run_add_callback_#{callback_type}s_for_#{association_name}") do
        association_name_with_callbacks = "#{association_name}_with_#{callback_type}_callbacks"

        pirate = Pirate.new(:catchphrase => "Arr")
        pirate.send(association_name_with_callbacks).build(:name => "Crowe the One-Eyed")

        expected = [
          "before_adding_#{callback_type}_#{association_name.singularize}_<new>",
          "after_adding_#{callback_type}_#{association_name.singularize}_<new>"
        ]

        assert_equal expected, pirate.ship_log
      end

      define_method("test_should_run_remove_callback_#{callback_type}s_for_#{association_name}") do
        association_name_with_callbacks = "#{association_name}_with_#{callback_type}_callbacks"

        @pirate.send(association_name_with_callbacks).create!(:name => "Crowe the One-Eyed")
        @pirate.send(association_name_with_callbacks).each { |c| c.mark_for_destruction }
        child_id = @pirate.send(association_name_with_callbacks).first.id

        @pirate.ship_log.clear
        @pirate.save

        expected = [
          "before_removing_#{callback_type}_#{association_name.singularize}_#{child_id}",
          "after_removing_#{callback_type}_#{association_name.singularize}_#{child_id}"
        ]

        assert_equal expected, @pirate.ship_log
      end
    end
  end
end

class TestAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

  def setup
    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
    @ship = @pirate.create_ship(:name => 'Nights Dirty Lightning')
  end

  def test_should_still_work_without_an_associated_model
    @ship.destroy
    @pirate.reload.catchphrase = "Arr"
    @pirate.save
    assert 'Arr', @pirate.reload.catchphrase
  end

  def test_should_automatically_save_the_associated_model
    @pirate.ship.name = 'The Vile Insanity'
    @pirate.save
    assert_equal 'The Vile Insanity', @pirate.reload.ship.name
  end

  def test_should_automatically_save_bang_the_associated_model
    @pirate.ship.name = 'The Vile Insanity'
    @pirate.save!
    assert_equal 'The Vile Insanity', @pirate.reload.ship.name
  end

  def test_should_automatically_validate_the_associated_model
    @pirate.ship.name = ''
    assert @pirate.invalid?
    assert @pirate.errors[:ship_name].any?
  end

  def test_should_merge_errors_on_the_associated_models_onto_the_parent_even_if_it_is_not_valid
    @pirate.ship.name   = nil
    @pirate.catchphrase = nil
    assert @pirate.invalid?
    assert @pirate.errors[:ship_name].any?
    assert @pirate.errors[:catchphrase].any?
  end

  def test_should_still_allow_to_bypass_validations_on_the_associated_model
    @pirate.catchphrase = ''
    @pirate.ship.name = ''
    @pirate.save(false)
    assert_equal ['', ''], [@pirate.reload.catchphrase, @pirate.ship.name]
  end

  def test_should_allow_to_bypass_validations_on_associated_models_at_any_depth
    2.times { |i| @pirate.ship.parts.create!(:name => "part #{i}") }

    @pirate.catchphrase = ''
    @pirate.ship.name = ''
    @pirate.ship.parts.each { |part| part.name = '' }
    @pirate.save(false)

    values = [@pirate.reload.catchphrase, @pirate.ship.name, *@pirate.ship.parts.map(&:name)]
    assert_equal ['', '', '', ''], values
  end

  def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that
    @pirate.ship.name = ''
    assert_raise(ActiveRecord::RecordInvalid) do
      @pirate.save!
    end
  end

  def test_should_rollback_any_changes_if_an_exception_occurred_while_saving
    before = [@pirate.catchphrase, @pirate.ship.name]

    @pirate.catchphrase = 'Arr'
    @pirate.ship.name = 'The Vile Insanity'

    # Stub the save method of the @pirate.ship instance to raise an exception
    class << @pirate.ship
      def save(*args)
        super
        raise 'Oh noes!'
      end
    end

    assert_raise(RuntimeError) { assert !@pirate.save }
    assert_equal before, [@pirate.reload.catchphrase, @pirate.ship.name]
  end

  def test_should_not_load_the_associated_model
    assert_queries(1) { @pirate.catchphrase = 'Arr'; @pirate.save! }
  end
end

class TestAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

  def setup
    @ship = Ship.create(:name => 'Nights Dirty Lightning')
    @pirate = @ship.create_pirate(:catchphrase => "Don' botharrr talkin' like one, savvy?")
  end

  def test_should_still_work_without_an_associated_model
    @pirate.destroy
    @ship.reload.name = "The Vile Insanity"
    @ship.save
    assert 'The Vile Insanity', @ship.reload.name
  end

  def test_should_automatically_save_the_associated_model
    @ship.pirate.catchphrase = 'Arr'
    @ship.save
    assert_equal 'Arr', @ship.reload.pirate.catchphrase
  end

  def test_should_automatically_save_bang_the_associated_model
    @ship.pirate.catchphrase = 'Arr'
    @ship.save!
    assert_equal 'Arr', @ship.reload.pirate.catchphrase
  end

  def test_should_automatically_validate_the_associated_model
    @ship.pirate.catchphrase = ''
    assert @ship.invalid?
    assert @ship.errors[:pirate_catchphrase].any?
  end

  def test_should_merge_errors_on_the_associated_model_onto_the_parent_even_if_it_is_not_valid
    @ship.name = nil
    @ship.pirate.catchphrase = nil
    assert @ship.invalid?
    assert @ship.errors[:name].any?
    assert @ship.errors[:pirate_catchphrase].any?
  end

  def test_should_still_allow_to_bypass_validations_on_the_associated_model
    @ship.pirate.catchphrase = ''
    @ship.name = ''
    @ship.save(false)
    assert_equal ['', ''], [@ship.reload.name, @ship.pirate.catchphrase]
  end

  def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that
    @ship.pirate.catchphrase = ''
    assert_raise(ActiveRecord::RecordInvalid) do
      @ship.save!
    end
  end

  def test_should_rollback_any_changes_if_an_exception_occurred_while_saving
    before = [@ship.pirate.catchphrase, @ship.name]

    @ship.pirate.catchphrase = 'Arr'
    @ship.name = 'The Vile Insanity'

    # Stub the save method of the @ship.pirate instance to raise an exception
    class << @ship.pirate
      def save(*args)
        super
        raise 'Oh noes!'
      end
    end

    assert_raise(RuntimeError) { assert !@ship.save }
    # TODO: Why does using reload on @ship looses the associated pirate?
    assert_equal before, [@ship.pirate.reload.catchphrase, @ship.reload.name]
  end

  def test_should_not_load_the_associated_model
    assert_queries(1) { @ship.name = 'The Vile Insanity'; @ship.save! }
  end
end

module AutosaveAssociationOnACollectionAssociationTests
  def test_should_automatically_save_the_associated_models
    new_names = ['Grace OMalley', 'Privateers Greed']
    @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] }

    @pirate.save
    assert_equal new_names, @pirate.reload.send(@association_name).map(&:name)
  end

  def test_should_automatically_save_bang_the_associated_models
    new_names = ['Grace OMalley', 'Privateers Greed']
    @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] }

    @pirate.save!
    assert_equal new_names, @pirate.reload.send(@association_name).map(&:name)
  end

  def test_should_automatically_validate_the_associated_models
    @pirate.send(@association_name).each { |child| child.name = '' }

    assert !@pirate.valid?
    assert_equal ["can't be blank"], @pirate.errors["#{@association_name}_name"]
    assert @pirate.errors[@association_name].empty?
  end

  def test_should_not_use_default_invalid_error_on_associated_models
    @pirate.send(@association_name).build(:name => '')

    assert !@pirate.valid?
    assert_equal ["can't be blank"], @pirate.errors["#{@association_name}_name"]
    assert @pirate.errors[@association_name].empty?
  end

  def test_should_merge_errors_on_the_associated_models_onto_the_parent_even_if_it_is_not_valid
    @pirate.send(@association_name).each { |child| child.name = '' }
    @pirate.catchphrase = nil

    assert !@pirate.valid?
    assert_equal ["can't be blank"], @pirate.errors["#{@association_name}_name"]
    assert @pirate.errors[:catchphrase].any?
  end

  def test_should_allow_to_bypass_validations_on_the_associated_models_on_update
    @pirate.catchphrase = ''
    @pirate.send(@association_name).each { |child| child.name = '' }

    assert @pirate.save(false)
    assert_equal ['', '', ''], [
      @pirate.reload.catchphrase,
      @pirate.send(@association_name).first.name,
      @pirate.send(@association_name).last.name
    ]
  end

  def test_should_validation_the_associated_models_on_create
    assert_no_difference("#{ @association_name == :birds ? 'Bird' : 'Parrot' }.count") do
      2.times { @pirate.send(@association_name).build }
      @pirate.save(true)
    end
  end

  def test_should_allow_to_bypass_validations_on_the_associated_models_on_create
    assert_difference("#{ @association_name == :birds ? 'Bird' : 'Parrot' }.count", +2) do
      2.times { @pirate.send(@association_name).build }
      @pirate.save(false)
    end
  end

  def test_should_rollback_any_changes_if_an_exception_occurred_while_saving
    before = [@pirate.catchphrase, *@pirate.send(@association_name).map(&:name)]
    new_names = ['Grace OMalley', 'Privateers Greed']

    @pirate.catchphrase = 'Arr'
    @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] }

    # Stub the save method of the first child instance to raise an exception
    class << @pirate.send(@association_name).first
      def save(*args)
        super
        raise 'Oh noes!'
      end
    end

    assert_raise(RuntimeError) { assert !@pirate.save }
    assert_equal before, [@pirate.reload.catchphrase, *@pirate.send(@association_name).map(&:name)]
  end

  def test_should_still_raise_an_ActiveRecordRecord_Invalid_exception_if_we_want_that
    @pirate.send(@association_name).each { |child| child.name = '' }
    assert_raise(ActiveRecord::RecordInvalid) do
      @pirate.save!
    end
  end

  def test_should_not_load_the_associated_models_if_they_were_not_loaded_yet
    assert_queries(1) { @pirate.catchphrase = 'Arr'; @pirate.save! }

    @pirate.send(@association_name).class # hack to load the target

    assert_queries(3) do
      @pirate.catchphrase = 'Yarr'
      new_names = ['Grace OMalley', 'Privateers Greed']
      @pirate.send(@association_name).each_with_index { |child, i| child.name = new_names[i] }
      @pirate.save!
    end
  end
end

class TestAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

  def setup
    @association_name = :birds

    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
    @child_1 = @pirate.birds.create(:name => 'Posideons Killer')
    @child_2 = @pirate.birds.create(:name => 'Killer bandita Dionne')
  end

  include AutosaveAssociationOnACollectionAssociationTests
end

class TestAutosaveAssociationOnAHasAndBelongsToManyAssociation < ActiveRecord::TestCase
  self.use_transactional_fixtures = false

  def setup
    @association_name = :parrots
    @habtm = true

    @pirate = Pirate.create(:catchphrase => "Don' botharrr talkin' like one, savvy?")
    @child_1 = @pirate.parrots.create(:name => 'Posideons Killer')
    @child_2 = @pirate.parrots.create(:name => 'Killer bandita Dionne')
  end

  include AutosaveAssociationOnACollectionAssociationTests
end