aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/associations_test.rb
blob: ff687fcd77b16221f0453aad595ce2b1d1362e7e (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
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
require 'abstract_unit'
require 'fixtures/developer'
require 'fixtures/project'
require 'fixtures/company'
require 'fixtures/topic'
require 'fixtures/reply'
require 'fixtures/computer'
require 'fixtures/customer'
require 'fixtures/order'
require 'fixtures/post'
require 'fixtures/author'

# Can't declare new classes in test case methods, so tests before that
bad_collection_keys = false
begin
  class Car < ActiveRecord::Base; has_many :wheels, :name => "wheels"; end
rescue ArgumentError
  bad_collection_keys = true
end
raise "ActiveRecord should have barked on bad collection keys" unless bad_collection_keys


class AssociationsTest < Test::Unit::TestCase
  fixtures :accounts, :companies, :developers, :projects, :developers_projects,
           :computers

  def test_force_reload
    firm = Firm.new("name" => "A New Firm, Inc")
    firm.save
    firm.clients.each {|c|} # forcing to load all clients
    assert firm.clients.empty?, "New firm shouldn't have client objects"
    assert !firm.has_clients?, "New firm shouldn't have clients"
    assert_equal 0, firm.clients.size, "New firm should have 0 clients"

    client = Client.new("name" => "TheClient.com", "firm_id" => firm.id)
    client.save

    assert firm.clients.empty?, "New firm should have cached no client objects"
    assert !firm.has_clients?, "New firm should have cached a no-clients response"
    assert_equal 0, firm.clients.size, "New firm should have cached 0 clients count"

    assert !firm.clients(true).empty?, "New firm should have reloaded client objects"
    assert_equal 1, firm.clients(true).size, "New firm should have reloaded clients count"
  end

  def test_storing_in_pstore
    require "tmpdir"
    store_filename = File.join(Dir.tmpdir, "ar-pstore-association-test")
    File.delete(store_filename) if File.exists?(store_filename)
    require "pstore"
    apple = Firm.create("name" => "Apple")
    natural = Client.new("name" => "Natural Company")
    apple.clients << natural

    db = PStore.new(store_filename)
    db.transaction do
      db["apple"] = apple
    end

    db = PStore.new(store_filename)
    db.transaction do
      assert_equal "Natural Company", db["apple"].clients.first.name
    end
  end
end

class HasOneAssociationsTest < Test::Unit::TestCase
  fixtures :accounts, :companies, :developers, :projects, :developers_projects
  
  def test_has_one
    assert_equal companies(:first_firm).account, Account.find(1)
    assert_equal Account.find(1).credit_limit, companies(:first_firm).account.credit_limit
  end

  def test_proxy_assignment
    company = companies(:first_firm)
    assert_nothing_raised { company.account = company.account }
  end

  def test_triple_equality
    assert Account === companies(:first_firm).account
  end

  def test_type_mismatch
    assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = 1 }
    assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = Project.find(1) }
  end

  def test_natural_assignment
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    apple.account = citibank
    assert_equal apple.id, citibank.firm_id
  end
  
  def test_natural_assignment_to_nil
    old_account_id = companies(:first_firm).account.id
    companies(:first_firm).account = nil
    companies(:first_firm).save
    assert_nil companies(:first_firm).account
    # account is dependent, therefore is destroyed when reference to owner is lost
    assert_raises(ActiveRecord::RecordNotFound) { Account.find(old_account_id) } 
  end
  
  def test_assignment_without_replacement
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    apple.account = citibank
    assert_equal apple.id, citibank.firm_id
    
    hsbc = apple.build_account({ :credit_limit => 20}, false)
    assert_equal apple.id, hsbc.firm_id
    hsbc.save
    assert_equal apple.id, citibank.firm_id

    nykredit = apple.create_account({ :credit_limit => 30}, false)
    assert_equal apple.id, nykredit.firm_id
    assert_equal apple.id, citibank.firm_id
    assert_equal apple.id, hsbc.firm_id
  end

  def test_assignment_without_replacement_on_create
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    apple.account = citibank
    assert_equal apple.id, citibank.firm_id
    
    hsbc = apple.create_account({:credit_limit => 10}, false)
    assert_equal apple.id, hsbc.firm_id
    hsbc.save
    assert_equal apple.id, citibank.firm_id
  end

  def test_dependence
    num_accounts = Account.count
    firm = Firm.find(1)
    assert !firm.account.nil?
    firm.destroy                
    assert_equal num_accounts - 1, Account.count
  end

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

    account = firm.build_account("credit_limit" => 1000)
    assert account.save
    assert_equal account, firm.account
  end

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

    account = firm.build_account
    assert !account.save
    assert_equal "can't be empty", account.errors.on("credit_limit")
  end

  def test_create_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    assert_equal firm.create_account("credit_limit" => 1000), firm.account
  end

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

    firm.account = account = Account.new("credit_limit" => 1000)
    assert_equal account, firm.account
    assert account.save
    assert_equal account, firm.account
  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_failing_build_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    
    firm.account = account = Account.new
    assert_equal account, firm.account
    assert !account.save
    assert_equal account, firm.account
    assert_equal "can't be empty", account.errors.on("credit_limit")
  end

  def test_create
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    firm.account = account = Account.create("credit_limit" => 1000)
    assert_equal account, firm.account
  end

  def test_create_before_save
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.account = account = Account.create("credit_limit" => 1000)
    assert_equal account, firm.account
  end

  def test_dependence_with_missing_association
    Account.destroy_all
    firm = Firm.find(1)
    assert firm.account.nil?
    firm.destroy
  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_child_saved
    firm = Firm.find(1)
    firm.account = a = Account.new("credit_limit" => 1000)
    assert !a.new_record?
    assert_equal a, firm.account
    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
end


class HasManyAssociationsTest < Test::Unit::TestCase
  fixtures :accounts, :companies, :developers, :projects,
           :developers_projects, :topics

  def setup
    Client.destroyed_client_ids.clear
  end

  def force_signal37_to_load_all_clients_of_firm
    companies(:first_firm).clients_of_firm.each {|f| }
  end

  def test_counting
    assert_equal 2, Firm.find(:first).clients.count
  end
  
  def test_finding
    assert_equal 2, Firm.find(:first).clients.length
  end

  def test_finding_default_orders
    assert_equal "Summit", Firm.find(:first).clients.first.name
  end

  def test_finding_with_different_class_name_and_order
    assert_equal "Microsoft", Firm.find(:first).clients_sorted_desc.first.name
  end

  def test_finding_with_foreign_key
    assert_equal "Microsoft", Firm.find(:first).clients_of_firm.first.name
  end

  def test_finding_with_condition
    assert_equal "Microsoft", Firm.find(:first).clients_like_ms.first.name
  end

  def test_finding_using_sql
    firm = Firm.find(:first)
    first_client = firm.clients_using_sql.first
    assert_not_nil first_client
    assert_equal "Microsoft", first_client.name
    assert_equal 1, firm.clients_using_sql.size
    assert_equal 1, Firm.find(:first).clients_using_sql.size
  end

  def test_counting_using_sql
    assert_equal 1, Firm.find(:first).clients_using_counter_sql.size
    assert_equal 0, Firm.find(:first).clients_using_zero_counter_sql.size
  end

  def test_counting_non_existant_items_using_sql
    assert_equal 0, Firm.find(:first).no_clients_using_counter_sql.size
  end
  
  def test_belongs_to_sanity
    c = Client.new
    assert_nil c.firm

    if c.firm
      assert false, "belongs_to failed if check"
    end

    unless c.firm
    else
      assert false,  "belongs_to failed unless check"
    end
  end

  def test_find_ids
    firm = Firm.find(:first)

    assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find }

    client = firm.clients.find(2)
    assert_kind_of Client, client

    client_ary = firm.clients.find([2])
    assert_kind_of Array, client_ary
    assert_equal client, client_ary.first

    client_ary = firm.clients.find(2, 3)
    assert_kind_of Array, client_ary
    assert_equal 2, client_ary.size
    assert_equal client, client_ary.first

    assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) }
  end

  def test_find_all
    firm = Firm.find_first
    assert_equal firm.clients, firm.clients.find_all
    assert_equal 2, firm.clients.find(:all, :conditions => "type = 'Client'").length
    assert_equal 1, firm.clients.find(:all, :conditions => "name = 'Summit'").length
  end

  def test_find_all_sanitized
    firm = Firm.find_first
    assert_equal firm.clients.find_all("name = 'Summit'"), firm.clients.find_all(["name = '%s'", "Summit"])
    summit = firm.clients.find(:all, :conditions => "name = 'Summit'")
    assert_equal summit, firm.clients.find(:all, :conditions => ["name = ?", "Summit"])
    assert_equal summit, firm.clients.find(:all, :conditions => ["name = :name", { :name => "Summit" }])
  end

  def test_find_first
    firm = Firm.find_first
    client2 = Client.find(2)
    assert_equal firm.clients.first, firm.clients.find_first
    assert_equal client2, firm.clients.find_first("type = 'Client'")
    assert_equal client2, firm.clients.find(:first, :conditions => "type = 'Client'")
  end

  def test_find_first_sanitized
    firm = Firm.find_first
    client2 = Client.find(2)
    assert_equal client2, firm.clients.find_first(["type = ?", "Client"])
    assert_equal client2, firm.clients.find(:first, :conditions => ['type = ?', 'Client'])
    assert_equal client2, firm.clients.find(:first, :conditions => ['type = :type', { :type => 'Client' }])
  end

  def test_find_in_collection
    assert_equal Client.find(2).name, companies(:first_firm).clients.find(2).name
    assert_raises(ActiveRecord::RecordNotFound) { companies(:first_firm).clients.find(6) }
  end

  def test_adding
    force_signal37_to_load_all_clients_of_firm
    natural = Client.new("name" => "Natural Company")
    companies(:first_firm).clients_of_firm << natural
    assert_equal 2, companies(:first_firm).clients_of_firm.size # checking via the collection
    assert_equal 2, companies(:first_firm).clients_of_firm(true).size # checking using the db
    assert_equal natural, companies(:first_firm).clients_of_firm.last
  end
  
  def test_adding_a_mismatch_class
    assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << nil }
    assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << 1 }
    assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << Topic.find(1) }
  end
  
  def test_adding_a_collection
    force_signal37_to_load_all_clients_of_firm
    companies(:first_firm).clients_of_firm.concat([Client.new("name" => "Natural Company"), Client.new("name" => "Apple")])
    assert_equal 3, companies(:first_firm).clients_of_firm.size
    assert_equal 3, 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")
    new_firm.clients_of_firm.push Client.new("name" => "Natural Company")
    new_firm.clients_of_firm << (c = Client.new("name" => "Apple"))
    assert new_firm.new_record?
    assert c.new_record?
    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_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_build
    new_client = companies(:first_firm).clients_of_firm.build("name" => "Another Client")
    assert_equal "Another Client", new_client.name
    assert new_client.new_record?
    assert_equal new_client, companies(:first_firm).clients_of_firm.last
    assert companies(:first_firm).save
    assert !new_client.new_record?
    assert_equal 2, companies(:first_firm).clients_of_firm(true).size
  end

  def test_build_many
    new_clients = companies(:first_firm).clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}])
    assert_equal 2, new_clients.size

    assert companies(:first_firm).save
    assert_equal 3, companies(:first_firm).clients_of_firm(true).size
  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_create
    force_signal37_to_load_all_clients_of_firm
    new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client")
    assert !new_client.new_record?
    assert_equal new_client, companies(:first_firm).clients_of_firm.last
    assert_equal new_client, companies(:first_firm).clients_of_firm(true).last
  end
  
  def test_create_many
    companies(:first_firm).clients_of_firm.create([{"name" => "Another Client"}, {"name" => "Another Client II"}])
    assert_equal 3, companies(:first_firm).clients_of_firm(true).size
  end

  def test_deleting
    force_signal37_to_load_all_clients_of_firm
    companies(:first_firm).clients_of_firm.delete(companies(:first_firm).clients_of_firm.first)
    assert_equal 0, companies(:first_firm).clients_of_firm.size
    assert_equal 0, companies(:first_firm).clients_of_firm(true).size
  end

  def test_deleting_before_save
    new_firm = Firm.new("name" => "A New Firm, Inc.")
    new_client = new_firm.clients_of_firm.build("name" => "Another Client")
    assert_equal 1, new_firm.clients_of_firm.size
    new_firm.clients_of_firm.delete(new_client)
    assert_equal 0, new_firm.clients_of_firm.size
  end

  def test_deleting_a_collection
    force_signal37_to_load_all_clients_of_firm
    companies(:first_firm).clients_of_firm.create("name" => "Another Client")
    assert_equal 2, companies(:first_firm).clients_of_firm.size
    companies(:first_firm).clients_of_firm.delete([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]])
    assert_equal 0, companies(:first_firm).clients_of_firm.size
    assert_equal 0, companies(:first_firm).clients_of_firm(true).size
  end

  def test_clearing_an_association_collection
    firm = companies(:first_firm)
    client_id = firm.clients_of_firm.first.id
    assert_equal 1, firm.clients_of_firm.size

    firm.clients_of_firm.clear

    assert_equal 0, firm.clients_of_firm.size
    assert_equal 0, firm.clients_of_firm(true).size
    assert_equal [], Client.destroyed_client_ids[firm.id]

    # Should not be destroyed since the association is not dependent.
    assert_nothing_raised do
      assert Client.find(client_id).firm.nil?
    end
  end

  def test_clearing_a_dependent_association_collection
    firm = companies(:first_firm)
    client_id = firm.dependent_clients_of_firm.first.id
    assert_equal 1, firm.dependent_clients_of_firm.size

    # :dependent means destroy is called on each client
    firm.dependent_clients_of_firm.clear

    assert_equal 0, firm.dependent_clients_of_firm.size
    assert_equal 0, firm.dependent_clients_of_firm(true).size
    assert_equal [client_id], Client.destroyed_client_ids[firm.id]

    # Should be destroyed since the association is dependent.
    assert Client.find_by_id(client_id).nil?
  end

  def test_clearing_an_exclusively_dependent_association_collection
    firm = companies(:first_firm)
    client_id = firm.exclusively_dependent_clients_of_firm.first.id
    assert_equal 1, firm.exclusively_dependent_clients_of_firm.size

    assert_equal [], Client.destroyed_client_ids[firm.id]

    # :exclusively_dependent means each client is deleted directly from
    # the database without looping through them calling destroy.
    firm.exclusively_dependent_clients_of_firm.clear

    assert_equal 0, firm.exclusively_dependent_clients_of_firm.size
    assert_equal 0, firm.exclusively_dependent_clients_of_firm(true).size
    assert_equal [3], Client.destroyed_client_ids[firm.id]

    # Should be destroyed since the association is exclusively dependent.
    assert Client.find_by_id(client_id).nil?
  end                                                    

  def test_deleting_a_item_which_is_not_in_the_collection
    force_signal37_to_load_all_clients_of_firm
    summit = Client.find_first("name = 'Summit'")
    companies(:first_firm).clients_of_firm.delete(summit)
    assert_equal 1, companies(:first_firm).clients_of_firm.size
    assert_equal 1, companies(:first_firm).clients_of_firm(true).size
    assert_equal 2, summit.client_of
  end

  def test_deleting_type_mismatch
    david = Developer.find(1)
    david.projects.reload
    assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(1) }
  end

  def test_deleting_self_type_mismatch
    david = Developer.find(1)
    david.projects.reload
    assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(Project.find(1).developers) }
  end

  def test_destroy_all
    force_signal37_to_load_all_clients_of_firm
    assert !companies(:first_firm).clients_of_firm.empty?, "37signals has clients after load"
    companies(:first_firm).clients_of_firm.destroy_all
    assert companies(:first_firm).clients_of_firm.empty?, "37signals has no clients after destroy all"
    assert companies(:first_firm).clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh"
  end

  def test_dependence
    firm = companies(:first_firm)
    assert_equal 2, firm.clients.size
    firm.destroy
    assert Client.find(:all, :conditions => "firm_id=#{firm.id}").empty?
  end

  def test_destroy_dependent_when_deleted_from_association
    firm = Firm.find(:first)
    assert_equal 2, firm.clients.size

    client = firm.clients.first
    firm.clients.delete(client)

    assert_raise(ActiveRecord::RecordNotFound) { Client.find(client.id) }
    assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(client.id) }
    assert_equal 1, firm.clients.size
  end

  def test_three_levels_of_dependence
    topic = Topic.create "title" => "neat and simple"
    reply = topic.replies.create "title" => "neat and simple", "content" => "still digging it"
    silly_reply = reply.silly_replies.create "title" => "neat and simple", "content" => "ain't complaining"
    
    assert_nothing_raised { topic.destroy }
  end

  uses_transaction :test_dependence_with_transaction_support_on_failure
  def test_dependence_with_transaction_support_on_failure
    firm = companies(:first_firm)
    clients = firm.clients
    assert_equal 2, clients.length
    clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end }

    firm.destroy rescue "do nothing"

    assert_equal 2, Client.find(:all, :conditions => "firm_id=#{firm.id}").size
  end

  def test_dependence_on_account
    num_accounts = Account.count
    companies(:first_firm).destroy
    assert_equal num_accounts - 1, Account.count
  end


  def test_depends_and_nullify
    num_accounts = Account.count
    num_companies = Company.count
    
    core = companies(:rails_core)
    assert_equal accounts(:rails_core_account), core.account
    assert_equal [companies(:leetsoft), companies(:jadedpixel)], core.companies
    core.destroy                                         
    assert_nil accounts(:rails_core_account).reload.firm_id
    assert_nil companies(:leetsoft).reload.client_of
    assert_nil companies(:jadedpixel).reload.client_of
    
    
    assert_equal num_accounts, Account.count
  end

  def test_included_in_collection
    assert companies(:first_firm).clients.include?(Client.find(2))
  end

  def test_adding_array_and_collection
    assert_nothing_raised { Firm.find(:first).clients + Firm.find(:all).last.clients }
  end

  def test_find_all_without_conditions
    firm = companies(:first_firm)
    assert_equal 2, firm.clients.find(:all).length
  end

  def test_replace_with_less
    firm = Firm.find(:first)
    firm.clients = [companies(:first_client)]
    assert firm.save, "Could not save firm"
    firm.reload
    assert_equal 1, firm.clients.length
  end 
  
  
  def test_replace_with_new
    firm = Firm.find(:first)
    new_client = Client.new("name" => "New Client")
    firm.clients = [companies(:second_client),new_client]
    firm.save
    firm.reload
    assert_equal 2, firm.clients.length
    assert !firm.clients.include?(:first_client)
  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
  
  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
end

class BelongsToAssociationsTest < Test::Unit::TestCase
  fixtures :accounts, :companies, :developers, :projects, :topics,
           :developers_projects, :computers, :authors, :posts
  
  def test_belongs_to
    Client.find(3).firm.name
    assert_equal companies(:first_firm).name, Client.find(3).firm.name
    assert !Client.find(3).firm.nil?, "Microsoft should have a firm"   
  end

  def test_proxy_assignment
    account = Account.find(1)
    assert_nothing_raised { account.firm = account.firm }
  end

  def test_type_mismatch
    assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = 1 }
    assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = Project.find(1) }
  end

  def test_natural_assignment
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    citibank.firm = apple
    assert_equal apple.id, citibank.firm_id
  end
  
  def test_creating_the_belonging_object
    citibank = Account.create("credit_limit" => 10)
    apple    = citibank.create_firm("name" => "Apple")
    assert_equal apple, citibank.firm
    citibank.save
    citibank.reload
    assert_equal apple, citibank.firm
  end

  def test_building_the_belonging_object
    citibank = Account.create("credit_limit" => 10)
    apple    = citibank.build_firm("name" => "Apple")
    citibank.save
    assert_equal apple.id, citibank.firm_id
  end
  
  def test_natural_assignment_to_nil
    client = Client.find(3)
    client.firm = nil
    client.save
    assert_nil client.firm(true)
    assert_nil client.client_of
  end
  
  def test_with_different_class_name
    assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name
    assert_not_nil Company.find(3).firm_with_other_name, "Microsoft should have a firm"
  end

  def test_with_condition
    assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name
    assert_not_nil Company.find(3).firm_with_condition, "Microsoft should have a firm"
  end
  
  def test_belongs_to_counter
    debate = Topic.create("title" => "debate")
    assert_equal 0, debate.send(:read_attribute, "replies_count"), "No replies yet"

    trash = debate.replies.create("title" => "blah!", "content" => "world around!")
    assert_equal 1, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply created"

    trash.destroy
    assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted"
  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_child_saved
    final_cut = Client.new("name" => "Final Cut")
    firm = Firm.find(1)
    final_cut.firm = firm
    assert final_cut.new_record?
    assert final_cut.save
    assert !final_cut.new_record?
    assert !firm.new_record?
    assert_equal firm, final_cut.firm
    assert_equal firm, final_cut.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_new_record_with_foreign_key_but_no_object
    c = Client.new("firm_id" => 1)
    assert_equal Firm.find(:first), c.firm_with_basic_id
  end

  def test_forgetting_the_load_when_foreign_key_enters_late
    c = Client.new
    assert_nil c.firm_with_basic_id

    c.firm_id = 1
    assert_equal Firm.find(:first), c.firm_with_basic_id
  end

  def test_field_name_same_as_foreign_key
    computer = Computer.find(1)
    assert_not_nil computer.developer, ":foreign key == attribute didn't lock up" # '
  end

  def xtest_counter_cache
    apple = Firm.create("name" => "Apple")
    final_cut = apple.clients.create("name" => "Final Cut")

    apple.clients.to_s
    assert_equal 1, apple.clients.size, "Created one client"
    
    apple.companies_count = 2
    apple.save

    apple = Firm.find(:first, :conditions => "name = 'Apple'")
    assert_equal 2, apple.clients.size, "Should use the new cached number"

    apple.clients.to_s 
    assert_equal 1, apple.clients.size, "Should not use the cached number, but go to the database"
  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
  
  
  def test_association_assignment_sticks
    post = Post.find(:first)

    author1, author2 = Author.find(:all, :limit => 2)
    assert_not_nil author1
    assert_not_nil author2

    # make sure the association is loaded
    post.author

    # set the association by id, directly
    post.author_id = author2.id

    # save and reload
    post.save!
    post.reload

    # the author id of the post should be the id we set
    assert_equal post.author_id, author2.id
  end
  
end


class ProjectWithAfterCreateHook < ActiveRecord::Base
  set_table_name 'projects'
  has_and_belongs_to_many :developers,
    :class_name => "DeveloperForProjectWithAfterCreateHook",
    :join_table => "developers_projects",
    :foreign_key => "project_id",
    :association_foreign_key => "developer_id"

  after_create :add_david

  def add_david
    david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
    david.projects << self
  end
end

class DeveloperForProjectWithAfterCreateHook < ActiveRecord::Base
  set_table_name 'developers'
  has_and_belongs_to_many :projects,
    :class_name => "ProjectWithAfterCreateHook",
    :join_table => "developers_projects",
    :association_foreign_key => "project_id",
    :foreign_key => "developer_id"
end


class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase
  fixtures :accounts, :companies, :developers, :projects, :developers_projects
  
  def test_has_and_belongs_to_many
    david = Developer.find(1)

    assert !david.projects.empty?
    assert_equal 2, david.projects.size

    active_record = Project.find(1)
    assert !active_record.developers.empty?
    assert_equal 2, active_record.developers.size
    assert active_record.developers.include?(david)
  end

  def test_adding_single
    jamis = Developer.find(2)
    jamis.projects.reload # causing the collection to load 
    action_controller = Project.find(2)
    assert_equal 1, jamis.projects.size
    assert_equal 1, action_controller.developers.size    
    
    jamis.projects << action_controller

    assert_equal 2, jamis.projects.size
    assert_equal 2, jamis.projects(true).size
    assert_equal 2, action_controller.developers(true).size
  end

  def test_adding_type_mismatch
    jamis = Developer.find(2)
    assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << nil }
    assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << 1 }
  end

  def test_adding_from_the_project
    jamis = Developer.find(2)
    action_controller = Project.find(2)
    action_controller.developers.reload
    assert_equal 1, jamis.projects.size
    assert_equal 1, action_controller.developers.size

    action_controller.developers << jamis 
    
    assert_equal 2, jamis.projects(true).size
    assert_equal 2, action_controller.developers.size
    assert_equal 2, action_controller.developers(true).size
  end

  def test_adding_from_the_project_fixed_timestamp
    jamis = Developer.find(2)
    action_controller = Project.find(2)
    action_controller.developers.reload
    assert_equal 1, jamis.projects.size
    assert_equal 1, action_controller.developers.size
    updated_at = jamis.updated_at

    action_controller.developers << jamis

    assert_equal updated_at, jamis.updated_at
    assert_equal 2, jamis.projects(true).size
    assert_equal 2, action_controller.developers.size
    assert_equal 2, action_controller.developers(true).size
  end

  def test_adding_multiple
    aredridel = Developer.new("name" => "Aredridel")
    aredridel.save
    aredridel.projects.reload
    aredridel.projects.push(Project.find(1), Project.find(2))
    assert_equal 2, aredridel.projects.size
    assert_equal 2, aredridel.projects(true).size
  end

  def test_adding_a_collection
    aredridel = Developer.new("name" => "Aredridel")
    aredridel.save
    aredridel.projects.reload
    aredridel.projects.concat([Project.find(1), Project.find(2)])
    assert_equal 2, aredridel.projects.size
    assert_equal 2, aredridel.projects(true).size
  end

  def test_adding_uses_default_values_on_join_table
    ac = projects(:action_controller)
    assert !developers(:jamis).projects.include?(ac)
    developers(:jamis).projects << ac

    assert developers(:jamis, :reload).projects.include?(ac)
    project = developers(:jamis).projects.detect { |p| p == ac }
    assert_equal 1, project.access_level.to_i
  end

  def test_adding_uses_explicit_values_on_join_table
    ac = projects(:action_controller)
    assert !developers(:jamis).projects.include?(ac)
    developers(:jamis).projects.push_with_attributes(ac, :access_level => 3)

    assert developers(:jamis, :reload).projects.include?(ac)
    project = developers(:jamis).projects.detect { |p| p == ac }
    assert_equal 3, project.access_level.to_i
  end

  def test_habtm_adding_before_save
    no_of_devels = Developer.count
    no_of_projects = Project.count
    aredridel = Developer.new("name" => "Aredridel")
    aredridel.projects.concat([Project.find(1), p = Project.new("name" => "Projekt")])
    assert aredridel.new_record?
    assert p.new_record?
    assert aredridel.save
    assert !aredridel.new_record?
    assert_equal no_of_devels+1, Developer.count
    assert_equal no_of_projects+1, Project.count
    assert_equal 2, aredridel.projects.size
    assert_equal 2, aredridel.projects(true).size
  end

  def test_habtm_adding_before_save_with_join_attributes
    no_of_devels = Developer.count
    no_of_projects = Project.count
    now = Date.today
    sqlnow = Time.now.strftime("%Y/%m/%d 00:00:00")
    ken = Developer.new("name" => "Ken")
    ken.projects.push_with_attributes( Project.find(1), :joined_on => now )
    p = Project.new("name" => "Foomatic")
    ken.projects.push_with_attributes( p, :joined_on => now )
    assert ken.new_record?
    assert p.new_record?
    assert ken.save
    assert !ken.new_record?
    assert_equal no_of_devels+1, Developer.count
    assert_equal no_of_projects+1, Project.count
    assert_equal 2, ken.projects.size
    assert_equal 2, ken.projects(true).size

    kenReloaded = Developer.find_by_name 'Ken'
    # SQL Server doesn't have a separate column type just for dates, 
    # so the time is in the string and incorrectly formatted
    if ActiveRecord::ConnectionAdapters.const_defined? :SQLServerAdapter and ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::SQLServerAdapter)
      kenReloaded.projects.each { |prj| assert_equal(sqlnow, prj.joined_on.strftime("%Y/%m/%d 00:00:00")) }
    else
      kenReloaded.projects.each { |prj| assert_equal(now.to_s, prj.joined_on.to_s) }
    end
  end

  def test_build
    devel = Developer.find(1)
    proj = devel.projects.build("name" => "Projekt")
    assert_equal devel.projects.last, proj
    assert proj.new_record?
    devel.save
    assert !proj.new_record?
    assert_equal devel.projects.last, proj
  end
  
  def test_create
    devel = Developer.find(1)
    proj = devel.projects.create("name" => "Projekt")
    assert_equal devel.projects.last, proj
    assert !proj.new_record?
  end
  
  def test_uniq_after_the_fact
    developers(:jamis).projects << projects(:active_record)
    developers(:jamis).projects << projects(:active_record)
    assert_equal 3, developers(:jamis).projects.size
    assert_equal 1, developers(:jamis).projects.uniq.size
  end

  def test_uniq_before_the_fact
    projects(:active_record).developers << developers(:jamis)
    projects(:active_record).developers << developers(:david)
    assert_equal 2, projects(:active_record, :reload).developers.size
  end
  
  def test_deleting
    david = Developer.find(1)
    active_record = Project.find(1)
    david.projects.reload
    assert_equal 2, david.projects.size
    assert_equal 2, active_record.developers.size

    david.projects.delete(active_record)
    
    assert_equal 1, david.projects.size
    assert_equal 1, david.projects(true).size
    assert_equal 1, active_record.developers(true).size
  end

  def test_deleting_array
    david = Developer.find(1)
    david.projects.reload
    david.projects.delete(Project.find(:all))
    assert_equal 0, david.projects.size
    assert_equal 0, david.projects(true).size
  end

  def test_deleting_with_sql
    david = Developer.find(1)
    active_record = Project.find(1)
    active_record.developers.reload
    assert_equal 2, active_record.developers_by_sql.size
    
    active_record.developers_by_sql.delete(david)
    assert_equal 1, active_record.developers_by_sql(true).size
  end

  def test_deleting_array_with_sql
    active_record = Project.find(1)
    active_record.developers.reload
    assert_equal 2, active_record.developers_by_sql.size
    
    active_record.developers_by_sql.delete(Developer.find(:all))
    assert_equal 0, active_record.developers_by_sql(true).size
  end

  def test_deleting_all
    david = Developer.find(1)
    david.projects.reload
    david.projects.clear
    assert_equal 0, david.projects.size
    assert_equal 0, david.projects(true).size
  end

  def test_removing_associations_on_destroy
    Developer.find(1).destroy
    assert Developer.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = 1").empty?
  end
  
  def test_additional_columns_from_join_table
    # SQL Server doesn't have a separate column type just for dates, 
    # so the time is in the string and incorrectly formatted
    if ActiveRecord::ConnectionAdapters.const_defined? :SQLServerAdapter and ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::SQLServerAdapter)
      assert_equal Time.mktime(2004, 10, 10).strftime("%Y/%m/%d 00:00:00"), Developer.find(1).projects.first.joined_on.strftime("%Y/%m/%d 00:00:00")
    else
      assert_equal Date.new(2004, 10, 10).to_s, Developer.find(1).projects.first.joined_on.to_s
    end
  end
  
  def test_destroy_all
    david = Developer.find(1)
    david.projects.reload
    assert !david.projects.empty?
    david.projects.destroy_all
    assert david.projects.empty?
    assert david.projects(true).empty?
  end

  def test_rich_association
    jamis = developers(:jamis)
    jamis.projects.push_with_attributes(projects(:action_controller), :joined_on => Date.today)
    # SQL Server doesn't have a separate column type just for dates, 
    # so the time is in the string and incorrectly formatted
    if ActiveRecord::ConnectionAdapters.const_defined? :SQLServerAdapter and ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::SQLServerAdapter)
      assert_equal Time.now.strftime("%Y/%m/%d 00:00:00"), jamis.projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on.strftime("%Y/%m/%d 00:00:00")
      assert_equal Time.now.strftime("%Y/%m/%d 00:00:00"), developers(:jamis).projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on.strftime("%Y/%m/%d 00:00:00")
    else
      assert_equal Date.today.to_s, jamis.projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on.to_s
      assert_equal Date.today.to_s, developers(:jamis).projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on.to_s
    end
  end

  def test_associations_with_conditions
    assert_equal 2, projects(:active_record).developers.size
    assert_equal 1, projects(:active_record).developers_named_david.size

    assert_equal developers(:david), projects(:active_record).developers_named_david.find(developers(:david).id)
    assert_equal developers(:david), projects(:active_record).salaried_developers.find(developers(:david).id)

    projects(:active_record).developers_named_david.clear
    assert_equal 1, projects(:active_record, :reload).developers.size
  end
  
  def test_find_in_association
    # Using sql
    assert_equal developers(:david), projects(:active_record).developers.find(developers(:david).id), "SQL find"
    
    # Using ruby
    active_record = projects(:active_record)
    active_record.developers.reload
    assert_equal developers(:david), active_record.developers.find(developers(:david).id), "Ruby find"
  end

  def test_find_in_association_with_custom_finder_sql
    assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id), "SQL find"
   
    active_record = projects(:active_record)
    active_record.developers_with_finder_sql.reload
    assert_equal developers(:david), active_record.developers_with_finder_sql.find(developers(:david).id), "Ruby find"
  end

  def test_find_in_association_with_custom_finder_sql_and_string_id
    assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id.to_s), "SQL find"
  end


  def test_new_with_values_in_collection
    jamis = DeveloperForProjectWithAfterCreateHook.find_by_name('Jamis')
    david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
    project = ProjectWithAfterCreateHook.new(:name => "Cooking with Bertie")
    project.developers << jamis
    project.save!
    project.reload

    assert project.developers.include?(jamis)
    assert project.developers.include?(david)
  end

  def xtest_find_in_association_with_options
    developers = projects(:active_record).developers.find(:all)
    assert_equal 2, developers.size
    
    assert_equal developers(:david), projects(:active_record).developers.find(:first, :conditions => "salary < 10000")
    assert_equal developers(:jamis), projects(:active_record).developers.find(:first, :order => "salary DESC")
  end
  
  def test_replace_with_less
    david = developers(:david)
    david.projects = [projects(:action_controller)]
    assert david.save
    assert_equal 1, david.projects.length
  end

  def test_replace_with_new
    david = developers(:david)
    david.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
    david.save
    assert_equal 2, david.projects.length
    assert !david.projects.include?(projects(:active_record))
  end
  
  def test_replace_on_new_object
    new_developer = Developer.new("name" => "Matz")
    new_developer.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
    new_developer.save
    assert_equal 2, new_developer.projects.length
  end

  def test_consider_type
    developer = Developer.find(:first)
    special_project = SpecialProject.create("name" => "Special Project")
  
    other_project = developer.projects.first
    developer.special_projects << special_project
    developer.reload
  
    assert developer.projects.include?(special_project)
    assert developer.special_projects.include?(special_project)
    assert !developer.special_projects.include?(other_project)
  end

end