aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/finder_test.rb
blob: 655437318f85def705722eb501e9d494063f4718 (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
require "cases/helper"
require 'models/post'
require 'models/author'
require 'models/categorization'
require 'models/comment'
require 'models/company'
require 'models/topic'
require 'models/reply'
require 'models/entrant'
require 'models/project'
require 'models/developer'
require 'models/customer'
require 'models/toy'

class FinderTest < ActiveRecord::TestCase
  fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers, :categories, :categorizations

  def test_find
    assert_equal(topics(:first).title, Topic.find(1).title)
  end

  # find should handle strings that come from URLs
  # (example: Category.find(params[:id]))
  def test_find_with_string
    assert_equal(Topic.find(1).title,Topic.find("1").title)
  end

  def test_exists
    assert Topic.exists?(1)
    assert Topic.exists?("1")
    assert Topic.exists?(:author_name => "David")
    assert Topic.exists?(:author_name => "Mary", :approved => true)
    assert Topic.exists?(["parent_id = ?", 1])
    assert !Topic.exists?(45)

    begin
      assert !Topic.exists?("foo")
    rescue ActiveRecord::StatementInvalid
      # PostgreSQL complains about string comparison with integer field
    rescue Exception
      flunk
    end

    assert_raise(NoMethodError) { Topic.exists?([1,2]) }
  end

  def test_exists_returns_true_with_one_record_and_no_args
    assert Topic.exists?
  end

  def test_does_not_exist_with_empty_table_and_no_args_given
    Topic.delete_all
    assert !Topic.exists?
  end

  def test_exists_with_aggregate_having_three_mappings
    existing_address = customers(:david).address
    assert Customer.exists?(:address => existing_address)
  end

  def test_exists_with_aggregate_having_three_mappings_with_one_difference
    existing_address = customers(:david).address
    assert !Customer.exists?(:address =>
      Address.new(existing_address.street, existing_address.city, existing_address.country + "1"))
    assert !Customer.exists?(:address =>
      Address.new(existing_address.street, existing_address.city + "1", existing_address.country))
    assert !Customer.exists?(:address =>
      Address.new(existing_address.street + "1", existing_address.city, existing_address.country))
  end

  def test_exists_with_scoped_include
    Developer.send(:with_scope, :find => { :include => :projects, :order => "projects.name" }) do
      assert Developer.exists?
    end
  end

  def test_exists_does_not_instantiate_records
    Developer.expects(:instantiate).never
    Developer.exists?
  end

  def test_find_by_array_of_one_id
    assert_kind_of(Array, Topic.find([ 1 ]))
    assert_equal(1, Topic.find([ 1 ]).length)
  end

  def test_find_by_ids
    assert_equal 2, Topic.find(1, 2).size
    assert_equal topics(:second).title, Topic.find([2]).first.title
  end

  def test_find_by_ids_with_limit_and_offset
    assert_equal 2, Entrant.find([1,3,2], :limit => 2).size
    assert_equal 1, Entrant.find([1,3,2], :limit => 3, :offset => 2).size

    # Also test an edge case: If you have 11 results, and you set a
    #   limit of 3 and offset of 9, then you should find that there
    #   will be only 2 results, regardless of the limit.
    devs = Developer.find :all
    last_devs = Developer.find devs.map(&:id), :limit => 3, :offset => 9
    assert_equal 2, last_devs.size
  end

  def test_find_an_empty_array
    assert_equal [], Topic.find([])
  end

  def test_find_by_ids_missing_one
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, 2, 45) }
  end

  def test_find_all_with_limit
    assert_equal(2, Entrant.find(:all, :limit => 2).size)
    assert_equal(0, Entrant.find(:all, :limit => 0).size)
  end

  def test_find_all_with_prepared_limit_and_offset
    entrants = Entrant.find(:all, :order => "id ASC", :limit => 2, :offset => 1)

    assert_equal(2, entrants.size)
    assert_equal(entrants(:second).name, entrants.first.name)

    assert_equal 3, Entrant.count
    entrants = Entrant.find(:all, :order => "id ASC", :limit => 2, :offset => 2)
    assert_equal(1, entrants.size)
    assert_equal(entrants(:third).name, entrants.first.name)
  end

  def test_find_all_with_limit_and_offset_and_multiple_order_clauses
    first_three_posts = Post.find :all, :order => 'author_id, id', :limit => 3, :offset => 0
    second_three_posts = Post.find :all, :order => ' author_id,id ', :limit => 3, :offset => 3
    third_three_posts = Post.find :all, :order => ' author_id, id  ', :limit => 3, :offset => 6
    last_posts = Post.find :all, :order => ' author_id, id  ', :limit => 3, :offset => 9

    assert_equal [[0,3],[1,1],[1,2]], first_three_posts.map { |p| [p.author_id, p.id] }
    assert_equal [[1,4],[1,5],[1,6]], second_three_posts.map { |p| [p.author_id, p.id] }
    assert_equal [[2,7],[2,9],[2,11]], third_three_posts.map { |p| [p.author_id, p.id] }
    assert_equal [[3,8],[3,10]], last_posts.map { |p| [p.author_id, p.id] }
  end


  def test_find_with_group
    developers =  Developer.find(:all, :group => "salary", :select => "salary")
    assert_equal 4, developers.size
    assert_equal 4, developers.map(&:salary).uniq.size
  end

  def test_find_with_group_and_having
    developers =  Developer.find(:all, :group => "salary", :having => "sum(salary) >  10000", :select => "salary")
    assert_equal 3, developers.size
    assert_equal 3, developers.map(&:salary).uniq.size
    assert developers.all? { |developer|  developer.salary > 10000 }
  end

  def test_find_with_group_and_sanitized_having
    developers =  Developer.find(:all, :group => "salary", :having => ["sum(salary) > ?", 10000], :select => "salary")
    assert_equal 3, developers.size
    assert_equal 3, developers.map(&:salary).uniq.size
    assert developers.all? { |developer|  developer.salary > 10000 }
  end

  def test_find_with_entire_select_statement
    topics = Topic.find_by_sql "SELECT * FROM topics WHERE author_name = 'Mary'"

    assert_equal(1, topics.size)
    assert_equal(topics(:second).title, topics.first.title)
  end

  def test_find_with_prepared_select_statement
    topics = Topic.find_by_sql ["SELECT * FROM topics WHERE author_name = ?", "Mary"]

    assert_equal(1, topics.size)
    assert_equal(topics(:second).title, topics.first.title)
  end

  def test_find_by_sql_with_sti_on_joined_table
    accounts = Account.find_by_sql("SELECT * FROM accounts INNER JOIN companies ON companies.id = accounts.firm_id")
    assert_equal [Account], accounts.collect(&:class).uniq
  end

  def test_find_first
    first = Topic.find(:first, :conditions => "title = 'The First Topic'")
    assert_equal(topics(:first).title, first.title)
  end

  def test_find_first_failing
    first = Topic.find(:first, :conditions => "title = 'The First Topic!'")
    assert_nil(first)
  end

  def test_first
    assert_equal topics(:second).title, Topic.where("title = 'The Second Topic of the day'").first.title
  end

  def test_first_failing
    assert_nil Topic.where("title = 'The Second Topic of the day!'").first
  end

  def test_first_bang_present
    assert_nothing_raised do
      assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").first!
    end
  end

  def test_first_bang_missing
    assert_raises ActiveRecord::RecordNotFound do
      Topic.where("title = 'This title does not exist'").first!
    end
  end

  def test_model_class_responds_to_first_bang
    assert Topic.first!
    Topic.delete_all
    assert_raises ActiveRecord::RecordNotFound do
      Topic.first!
    end
  end

  def test_last_bang_present
    assert_nothing_raised do
      assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").last!
    end
  end

  def test_last_bang_missing
    assert_raises ActiveRecord::RecordNotFound do
      Topic.where("title = 'This title does not exist'").last!
    end
  end

  def test_model_class_responds_to_last_bang
    assert_equal topics(:fourth), Topic.last!
    assert_raises ActiveRecord::RecordNotFound do
      Topic.delete_all
      Topic.last!
    end
  end

  def test_unexisting_record_exception_handling
    assert_raise(ActiveRecord::RecordNotFound) {
      Topic.find(1).parent
    }

    Topic.find(2).topic
  end

  def test_find_only_some_columns
    topic = Topic.find(1, :select => "author_name")
    assert_raise(ActiveModel::MissingAttributeError) {topic.title}
    assert_nil topic.read_attribute("title")
    assert_equal "David", topic.author_name
    assert !topic.attribute_present?("title")
    assert !topic.attribute_present?(:title)
    assert topic.attribute_present?("author_name")
    assert_respond_to topic, "author_name"
  end

  def test_find_on_blank_conditions
    [nil, " ", [], {}].each do |blank|
      assert_nothing_raised { Topic.find(:first, :conditions => blank) }
    end
  end

  def test_find_on_blank_bind_conditions
    [ [""], ["",{}] ].each do |blank|
      assert_nothing_raised { Topic.find(:first, :conditions => blank) }
    end
  end

  def test_find_on_array_conditions
    assert Topic.find(1, :conditions => ["approved = ?", false])
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => ["approved = ?", true]) }
  end

  def test_find_on_hash_conditions
    assert Topic.find(1, :conditions => { :approved => false })
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :approved => true }) }
  end

  def test_find_on_hash_conditions_with_explicit_table_name
    assert Topic.find(1, :conditions => { 'topics.approved' => false })
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { 'topics.approved' => true }) }
  end

  def test_find_on_hash_conditions_with_hashed_table_name
    assert Topic.find(1, :conditions => {:topics => { :approved => false }})
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => {:topics => { :approved => true }}) }
  end

  def test_find_with_hash_conditions_on_joined_table
    firms = Firm.joins(:account).where(:accounts => { :credit_limit => 50 })
    assert_equal 1, firms.size
    assert_equal companies(:first_firm), firms.first
  end

  def test_find_with_hash_conditions_on_joined_table_and_with_range
    firms = DependentFirm.all :joins => :account, :conditions => {:name => 'RailsCore', :accounts => { :credit_limit => 55..60 }}
    assert_equal 1, firms.size
    assert_equal companies(:rails_core), firms.first
  end

  def test_find_on_hash_conditions_with_explicit_table_name_and_aggregate
    david = customers(:david)
    assert Customer.find(david.id, :conditions => { 'customers.name' => david.name, :address => david.address })
    assert_raise(ActiveRecord::RecordNotFound) {
      Customer.find(david.id, :conditions => { 'customers.name' => david.name + "1", :address => david.address })
    }
  end

  def test_find_on_association_proxy_conditions
    assert_equal [1, 2, 3, 5, 6, 7, 8, 9, 10, 12], Comment.find_all_by_post_id(authors(:david).posts).map(&:id).sort
  end

  def test_find_on_hash_conditions_with_range
    assert_equal [1,2], Topic.find(:all, :conditions => { :id => 1..2 }).map(&:id).sort
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :id => 2..3 }) }
  end

  def test_find_on_hash_conditions_with_end_exclusive_range
    assert_equal [1,2,3], Topic.find(:all, :conditions => { :id => 1..3 }).map(&:id).sort
    assert_equal [1,2], Topic.find(:all, :conditions => { :id => 1...3 }).map(&:id).sort
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(3, :conditions => { :id => 2...3 }) }
  end

  def test_find_on_hash_conditions_with_multiple_ranges
    assert_equal [1,2,3], Comment.find(:all, :conditions => { :id => 1..3, :post_id => 1..2 }).map(&:id).sort
    assert_equal [1], Comment.find(:all, :conditions => { :id => 1..1, :post_id => 1..10 }).map(&:id).sort
  end

  def test_find_on_multiple_hash_conditions
    assert Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => false })
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }) }
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "HHC", :replies_count => 1, :approved => false }) }
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1, :conditions => { :author_name => "David", :title => "The First Topic", :replies_count => 1, :approved => true }) }
  end

  def test_condition_interpolation
    assert_kind_of Firm, Company.find(:first, :conditions => ["name = '%s'", "37signals"])
    assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!"])
    assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!' OR 1=1"])
    assert_kind_of Time, Topic.find(:first, :conditions => ["id = %d", 1]).written_on
  end

  def test_condition_array_interpolation
    assert_kind_of Firm, Company.find(:first, :conditions => ["name = '%s'", "37signals"])
    assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!"])
    assert_nil Company.find(:first, :conditions => ["name = '%s'", "37signals!' OR 1=1"])
    assert_kind_of Time, Topic.find(:first, :conditions => ["id = %d", 1]).written_on
  end

  def test_condition_hash_interpolation
    assert_kind_of Firm, Company.find(:first, :conditions => { :name => "37signals"})
    assert_nil Company.find(:first, :conditions => { :name => "37signals!"})
    assert_kind_of Time, Topic.find(:first, :conditions => {:id => 1}).written_on
  end

  def test_hash_condition_find_malformed
    assert_raise(ActiveRecord::StatementInvalid) {
      Company.find(:first, :conditions => { :id => 2, :dhh => true })
    }
  end

  def test_hash_condition_find_with_escaped_characters
    Company.create("name" => "Ain't noth'n like' \#stuff")
    assert Company.find(:first, :conditions => { :name => "Ain't noth'n like' \#stuff" })
  end

  def test_hash_condition_find_with_array
    p1, p2 = Post.find(:all, :limit => 2, :order => 'id asc')
    assert_equal [p1, p2], Post.find(:all, :conditions => { :id => [p1, p2] }, :order => 'id asc')
    assert_equal [p1, p2], Post.find(:all, :conditions => { :id => [p1, p2.id] }, :order => 'id asc')
  end

  def test_hash_condition_find_with_nil
    topic = Topic.find(:first, :conditions => { :last_read => nil } )
    assert_not_nil topic
    assert_nil topic.last_read
  end

  def test_hash_condition_find_with_aggregate_having_one_mapping
    balance = customers(:david).balance
    assert_kind_of Money, balance
    found_customer = Customer.find(:first, :conditions => {:balance => balance})
    assert_equal customers(:david), found_customer
  end

  def test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_aggregate
    gps_location = customers(:david).gps_location
    assert_kind_of GpsLocation, gps_location
    found_customer = Customer.find(:first, :conditions => {:gps_location => gps_location})
    assert_equal customers(:david), found_customer
  end

  def test_hash_condition_find_with_aggregate_having_one_mapping_and_key_value_being_attribute_value
    balance = customers(:david).balance
    assert_kind_of Money, balance
    found_customer = Customer.find(:first, :conditions => {:balance => balance.amount})
    assert_equal customers(:david), found_customer
  end

  def test_hash_condition_find_with_aggregate_attribute_having_same_name_as_field_and_key_value_being_attribute_value
    gps_location = customers(:david).gps_location
    assert_kind_of GpsLocation, gps_location
    found_customer = Customer.find(:first, :conditions => {:gps_location => gps_location.gps_location})
    assert_equal customers(:david), found_customer
  end

  def test_hash_condition_find_with_aggregate_having_three_mappings
    address = customers(:david).address
    assert_kind_of Address, address
    found_customer = Customer.find(:first, :conditions => {:address => address})
    assert_equal customers(:david), found_customer
  end

  def test_hash_condition_find_with_one_condition_being_aggregate_and_another_not
    address = customers(:david).address
    assert_kind_of Address, address
    found_customer = Customer.find(:first, :conditions => {:address => address, :name => customers(:david).name})
    assert_equal customers(:david), found_customer
  end

  def test_condition_utc_time_interpolation_with_default_timezone_local
    with_env_tz 'America/New_York' do
      with_active_record_default_timezone :local do
        topic = Topic.first
        assert_equal topic, Topic.find(:first, :conditions => ['written_on = ?', topic.written_on.getutc])
      end
    end
  end

  def test_hash_condition_utc_time_interpolation_with_default_timezone_local
    with_env_tz 'America/New_York' do
      with_active_record_default_timezone :local do
        topic = Topic.first
        assert_equal topic, Topic.find(:first, :conditions => {:written_on => topic.written_on.getutc})
      end
    end
  end

  def test_condition_local_time_interpolation_with_default_timezone_utc
    with_env_tz 'America/New_York' do
      with_active_record_default_timezone :utc do
        topic = Topic.first
        assert_equal topic, Topic.find(:first, :conditions => ['written_on = ?', topic.written_on.getlocal])
      end
    end
  end

  def test_hash_condition_local_time_interpolation_with_default_timezone_utc
    with_env_tz 'America/New_York' do
      with_active_record_default_timezone :utc do
        topic = Topic.first
        assert_equal topic, Topic.find(:first, :conditions => {:written_on => topic.written_on.getlocal})
      end
    end
  end

  def test_bind_variables
    assert_kind_of Firm, Company.find(:first, :conditions => ["name = ?", "37signals"])
    assert_nil Company.find(:first, :conditions => ["name = ?", "37signals!"])
    assert_nil Company.find(:first, :conditions => ["name = ?", "37signals!' OR 1=1"])
    assert_kind_of Time, Topic.find(:first, :conditions => ["id = ?", 1]).written_on
    assert_raise(ActiveRecord::PreparedStatementInvalid) {
      Company.find(:first, :conditions => ["id=? AND name = ?", 2])
    }
    assert_raise(ActiveRecord::PreparedStatementInvalid) {
     Company.find(:first, :conditions => ["id=?", 2, 3, 4])
    }
  end

  def test_bind_variables_with_quotes
    Company.create("name" => "37signals' go'es agains")
    assert Company.find(:first, :conditions => ["name = ?", "37signals' go'es agains"])
  end

  def test_named_bind_variables_with_quotes
    Company.create("name" => "37signals' go'es agains")
    assert Company.find(:first, :conditions => ["name = :name", {:name => "37signals' go'es agains"}])
  end

  def test_bind_arity
    assert_nothing_raised                                 { bind '' }
    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '', 1 }

    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?' }
    assert_nothing_raised                                 { bind '?', 1 }
    assert_raise(ActiveRecord::PreparedStatementInvalid) { bind '?', 1, 1  }
  end

  def test_named_bind_variables
    assert_equal '1', bind(':a', :a => 1) # ' ruby-mode
    assert_equal '1 1', bind(':a :a', :a => 1)  # ' ruby-mode

    assert_nothing_raised { bind("'+00:00'", :foo => "bar") }

    assert_kind_of Firm, Company.find(:first, :conditions => ["name = :name", { :name => "37signals" }])
    assert_nil Company.find(:first, :conditions => ["name = :name", { :name => "37signals!" }])
    assert_nil Company.find(:first, :conditions => ["name = :name", { :name => "37signals!' OR 1=1" }])
    assert_kind_of Time, Topic.find(:first, :conditions => ["id = :id", { :id => 1 }]).written_on
  end

  class SimpleEnumerable
    include Enumerable

    def initialize(ary)
      @ary = ary
    end

    def each(&b)
      @ary.each(&b)
    end
  end

  def test_bind_enumerable
    quoted_abc = %(#{ActiveRecord::Base.connection.quote('a')},#{ActiveRecord::Base.connection.quote('b')},#{ActiveRecord::Base.connection.quote('c')})

    assert_equal '1,2,3', bind('?', [1, 2, 3])
    assert_equal quoted_abc, bind('?', %w(a b c))

    assert_equal '1,2,3', bind(':a', :a => [1, 2, 3])
    assert_equal quoted_abc, bind(':a', :a => %w(a b c)) # '

    assert_equal '1,2,3', bind('?', SimpleEnumerable.new([1, 2, 3]))
    assert_equal quoted_abc, bind('?', SimpleEnumerable.new(%w(a b c)))

    assert_equal '1,2,3', bind(':a', :a => SimpleEnumerable.new([1, 2, 3]))
    assert_equal quoted_abc, bind(':a', :a => SimpleEnumerable.new(%w(a b c))) # '
  end

  def test_bind_empty_enumerable
    quoted_nil = ActiveRecord::Base.connection.quote(nil)
    assert_equal quoted_nil, bind('?', [])
    assert_equal " in (#{quoted_nil})", bind(' in (?)', [])
    assert_equal "foo in (#{quoted_nil})", bind('foo in (?)', [])
  end

  def test_bind_empty_string
    quoted_empty = ActiveRecord::Base.connection.quote('')
    assert_equal quoted_empty, bind('?', '')
  end

  def test_bind_chars
    quoted_bambi = ActiveRecord::Base.connection.quote("Bambi")
    quoted_bambi_and_thumper = ActiveRecord::Base.connection.quote("Bambi\nand\nThumper")
    assert_equal "name=#{quoted_bambi}", bind('name=?', "Bambi")
    assert_equal "name=#{quoted_bambi_and_thumper}", bind('name=?', "Bambi\nand\nThumper")
    assert_equal "name=#{quoted_bambi}", bind('name=?', "Bambi".mb_chars)
    assert_equal "name=#{quoted_bambi_and_thumper}", bind('name=?', "Bambi\nand\nThumper".mb_chars)
  end

  def test_bind_record
    o = Struct.new(:quoted_id).new(1)
    assert_equal '1', bind('?', o)

    os = [o] * 3
    assert_equal '1,1,1', bind('?', os)
  end

  def test_named_bind_with_postgresql_type_casts
    l = Proc.new { bind(":a::integer '2009-01-01'::date", :a => '10') }
    assert_nothing_raised(&l)
    assert_equal "#{ActiveRecord::Base.quote_value('10')}::integer '2009-01-01'::date", l.call
  end

  def test_string_sanitation
    assert_not_equal "'something ' 1=1'", ActiveRecord::Base.sanitize("something ' 1=1")
    assert_equal "'something; select table'", ActiveRecord::Base.sanitize("something; select table")
  end

  def test_count
    assert_equal(0, Entrant.count(:conditions => "id > 3"))
    assert_equal(1, Entrant.count(:conditions => ["id > ?", 2]))
    assert_equal(2, Entrant.count(:conditions => ["id > ?", 1]))
  end

  def test_count_by_sql
    assert_equal(0, Entrant.count_by_sql("SELECT COUNT(*) FROM entrants WHERE id > 3"))
    assert_equal(1, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 2]))
    assert_equal(2, Entrant.count_by_sql(["SELECT COUNT(*) FROM entrants WHERE id > ?", 1]))
  end

  def test_find_by_one_attribute
    assert_equal topics(:first), Topic.find_by_title("The First Topic")
    assert_nil Topic.find_by_title("The First Topic!")
  end

  def test_find_by_one_attribute_bang
    assert_equal topics(:first), Topic.find_by_title!("The First Topic")
    assert_raise(ActiveRecord::RecordNotFound) { Topic.find_by_title!("The First Topic!") }
  end

  def test_find_by_one_attribute_with_order_option
    assert_equal accounts(:signals37), Account.find_by_credit_limit(50, :order => 'id')
    assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :order => 'id DESC')
  end

  def test_find_by_one_attribute_with_conditions
    assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6])
  end

  def test_find_by_one_attribute_that_is_an_aggregate
    address = customers(:david).address
    assert_kind_of Address, address
    found_customer = Customer.find_by_address(address)
    assert_equal customers(:david), found_customer
  end

  def test_find_by_one_attribute_that_is_an_aggregate_with_one_attribute_difference
    address = customers(:david).address
    assert_kind_of Address, address
    missing_address = Address.new(address.street, address.city, address.country + "1")
    assert_nil Customer.find_by_address(missing_address)
    missing_address = Address.new(address.street, address.city + "1", address.country)
    assert_nil Customer.find_by_address(missing_address)
    missing_address = Address.new(address.street + "1", address.city, address.country)
    assert_nil Customer.find_by_address(missing_address)
  end

  def test_find_by_two_attributes_that_are_both_aggregates
    balance = customers(:david).balance
    address = customers(:david).address
    assert_kind_of Money, balance
    assert_kind_of Address, address
    found_customer = Customer.find_by_balance_and_address(balance, address)
    assert_equal customers(:david), found_customer
  end

  def test_find_by_two_attributes_with_one_being_an_aggregate
    balance = customers(:david).balance
    assert_kind_of Money, balance
    found_customer = Customer.find_by_balance_and_name(balance, customers(:david).name)
    assert_equal customers(:david), found_customer
  end

  def test_dynamic_finder_on_one_attribute_with_conditions_returns_same_results_after_caching
    # ensure this test can run independently of order
    class << Account; self; end.send(:remove_method, :find_by_credit_limit) if Account.public_methods.any? { |m| m.to_s == 'find_by_credit_limit' }
    a = Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6])
    assert_equal a, Account.find_by_credit_limit(50, :conditions => ['firm_id = ?', 6]) # find_by_credit_limit has been cached
  end

  def test_find_by_one_attribute_with_several_options
    assert_equal accounts(:unknown), Account.find_by_credit_limit(50, :order => 'id DESC', :conditions => ['id != ?', 3])
  end

  def test_find_by_one_missing_attribute
    assert_raise(NoMethodError) { Topic.find_by_undertitle("The First Topic!") }
  end

  def test_find_by_invalid_method_syntax
    assert_raise(NoMethodError) { Topic.fail_to_find_by_title("The First Topic") }
    assert_raise(NoMethodError) { Topic.find_by_title?("The First Topic") }
    assert_raise(NoMethodError) { Topic.fail_to_find_or_create_by_title("Nonexistent Title") }
    assert_raise(NoMethodError) { Topic.find_or_create_by_title?("Nonexistent Title") }
  end

  def test_find_by_two_attributes
    assert_equal topics(:first), Topic.find_by_title_and_author_name("The First Topic", "David")
    assert_nil Topic.find_by_title_and_author_name("The First Topic", "Mary")
  end

  def test_find_last_by_one_attribute
    assert_equal Topic.last, Topic.find_last_by_title(Topic.last.title)
    assert_nil Topic.find_last_by_title("A title with no matches")
  end

  def test_find_last_by_invalid_method_syntax
    assert_raise(NoMethodError) { Topic.fail_to_find_last_by_title("The First Topic") }
    assert_raise(NoMethodError) { Topic.find_last_by_title?("The First Topic") }
  end

  def test_find_last_by_one_attribute_with_several_options
    assert_equal accounts(:signals37), Account.find_last_by_credit_limit(50, :order => 'id DESC', :conditions => ['id != ?', 3])
  end

  def test_find_last_by_one_missing_attribute
    assert_raise(NoMethodError) { Topic.find_last_by_undertitle("The Last Topic!") }
  end

  def test_find_last_by_two_attributes
    topic = Topic.last
    assert_equal topic, Topic.find_last_by_title_and_author_name(topic.title, topic.author_name)
    assert_nil Topic.find_last_by_title_and_author_name(topic.title, "Anonymous")
  end

  def test_find_all_by_one_attribute
    topics = Topic.find_all_by_content("Have a nice day")
    assert_equal 2, topics.size
    assert topics.include?(topics(:first))

    assert_equal [], Topic.find_all_by_title("The First Topic!!")
  end

  def test_find_all_by_one_attribute_which_is_a_symbol
    topics = Topic.find_all_by_content("Have a nice day".to_sym)
    assert_equal 2, topics.size
    assert topics.include?(topics(:first))

    assert_equal [], Topic.find_all_by_title("The First Topic!!")
  end

  def test_find_all_by_one_attribute_that_is_an_aggregate
    balance = customers(:david).balance
    assert_kind_of Money, balance
    found_customers = Customer.find_all_by_balance(balance)
    assert_equal 1, found_customers.size
    assert_equal customers(:david), found_customers.first
  end

  def test_find_all_by_two_attributes_that_are_both_aggregates
    balance = customers(:david).balance
    address = customers(:david).address
    assert_kind_of Money, balance
    assert_kind_of Address, address
    found_customers = Customer.find_all_by_balance_and_address(balance, address)
    assert_equal 1, found_customers.size
    assert_equal customers(:david), found_customers.first
  end

  def test_find_all_by_two_attributes_with_one_being_an_aggregate
    balance = customers(:david).balance
    assert_kind_of Money, balance
    found_customers = Customer.find_all_by_balance_and_name(balance, customers(:david).name)
    assert_equal 1, found_customers.size
    assert_equal customers(:david), found_customers.first
  end

  def test_find_all_by_one_attribute_with_options
    topics = Topic.find_all_by_content("Have a nice day", :order => "id DESC")
    assert_equal topics(:first), topics.last

    topics = Topic.find_all_by_content("Have a nice day", :order => "id")
    assert_equal topics(:first), topics.first
  end

  def test_find_all_by_array_attribute
    assert_equal 2, Topic.find_all_by_title(["The First Topic", "The Second Topic of the day"]).size
  end

  def test_find_all_by_boolean_attribute
    topics = Topic.find_all_by_approved(false)
    assert_equal 1, topics.size
    assert topics.include?(topics(:first))

    topics = Topic.find_all_by_approved(true)
    assert_equal 3, topics.size
    assert topics.include?(topics(:second))
  end

  def test_find_by_nil_attribute
    topic = Topic.find_by_last_read nil
    assert_not_nil topic
    assert_nil topic.last_read
  end

  def test_find_all_by_nil_attribute
    topics = Topic.find_all_by_last_read nil
    assert_equal 3, topics.size
    assert topics.collect(&:last_read).all?(&:nil?)
  end

  def test_find_by_nil_and_not_nil_attributes
    topic = Topic.find_by_last_read_and_author_name nil, "Mary"
    assert_equal "Mary", topic.author_name
  end

  def test_find_all_by_nil_and_not_nil_attributes
    topics = Topic.find_all_by_last_read_and_author_name nil, "Mary"
    assert_equal 1, topics.size
    assert_equal "Mary", topics[0].author_name
  end

  def test_find_or_create_from_one_attribute
    number_of_companies = Company.count
    sig38 = Company.find_or_create_by_name("38signals")
    assert_equal number_of_companies + 1, Company.count
    assert_equal sig38, Company.find_or_create_by_name("38signals")
    assert sig38.persisted?
  end

  def test_find_or_create_from_two_attributes
    number_of_topics = Topic.count
    another = Topic.find_or_create_by_title_and_author_name("Another topic","John")
    assert_equal number_of_topics + 1, Topic.count
    assert_equal another, Topic.find_or_create_by_title_and_author_name("Another topic", "John")
    assert another.persisted?
  end

  def test_find_or_create_from_two_attributes_with_one_being_an_aggregate
    number_of_customers = Customer.count
    created_customer = Customer.find_or_create_by_balance_and_name(Money.new(123), "Elizabeth")
    assert_equal number_of_customers + 1, Customer.count
    assert_equal created_customer, Customer.find_or_create_by_balance(Money.new(123), "Elizabeth")
    assert created_customer.persisted?
  end

  def test_find_or_create_from_one_attribute_and_hash
    number_of_companies = Company.count
    sig38 = Company.find_or_create_by_name({:name => "38signals", :firm_id => 17, :client_of => 23})
    assert_equal number_of_companies + 1, Company.count
    assert_equal sig38, Company.find_or_create_by_name({:name => "38signals", :firm_id => 17, :client_of => 23})
    assert sig38.persisted?
    assert_equal "38signals", sig38.name
    assert_equal 17, sig38.firm_id
    assert_equal 23, sig38.client_of
  end

  def test_find_or_create_from_one_aggregate_attribute
    number_of_customers = Customer.count
    created_customer = Customer.find_or_create_by_balance(Money.new(123))
    assert_equal number_of_customers + 1, Customer.count
    assert_equal created_customer, Customer.find_or_create_by_balance(Money.new(123))
    assert created_customer.persisted?
  end

  def test_find_or_create_from_one_aggregate_attribute_and_hash
    number_of_customers = Customer.count
    balance = Money.new(123)
    name = "Elizabeth"
    created_customer = Customer.find_or_create_by_balance({:balance => balance, :name => name})
    assert_equal number_of_customers + 1, Customer.count
    assert_equal created_customer, Customer.find_or_create_by_balance({:balance => balance, :name => name})
    assert created_customer.persisted?
    assert_equal balance, created_customer.balance
    assert_equal name, created_customer.name
  end

  def test_find_or_initialize_from_one_attribute
    sig38 = Company.find_or_initialize_by_name("38signals")
    assert_equal "38signals", sig38.name
    assert !sig38.persisted?
  end

  def test_find_or_initialize_from_one_aggregate_attribute
    new_customer = Customer.find_or_initialize_by_balance(Money.new(123))
    assert_equal 123, new_customer.balance.amount
    assert !new_customer.persisted?
  end

  def test_find_or_initialize_from_one_attribute_should_not_set_attribute_even_when_protected
    c = Company.find_or_initialize_by_name({:name => "Fortune 1000", :rating => 1000})
    assert_equal "Fortune 1000", c.name
    assert_not_equal 1000, c.rating
    assert c.valid?
    assert !c.persisted?
  end

  def test_find_or_create_from_one_attribute_should_not_set_attribute_even_when_protected
    c = Company.find_or_create_by_name({:name => "Fortune 1000", :rating => 1000})
    assert_equal "Fortune 1000", c.name
    assert_not_equal 1000, c.rating
    assert c.valid?
    assert c.persisted?
  end

  def test_find_or_initialize_from_one_attribute_should_set_attribute_even_when_protected
    c = Company.find_or_initialize_by_name_and_rating("Fortune 1000", 1000)
    assert_equal "Fortune 1000", c.name
    assert_equal 1000, c.rating
    assert c.valid?
    assert !c.persisted?
  end

  def test_find_or_create_from_one_attribute_should_set_attribute_even_when_protected
    c = Company.find_or_create_by_name_and_rating("Fortune 1000", 1000)
    assert_equal "Fortune 1000", c.name
    assert_equal 1000, c.rating
    assert c.valid?
    assert c.persisted?
  end

  def test_find_or_initialize_from_one_attribute_should_set_attribute_even_when_protected_and_also_set_the_hash
    c = Company.find_or_initialize_by_rating(1000, {:name => "Fortune 1000"})
    assert_equal "Fortune 1000", c.name
    assert_equal 1000, c.rating
    assert c.valid?
    assert !c.persisted?
  end

  def test_find_or_create_from_one_attribute_should_set_attribute_even_when_protected_and_also_set_the_hash
    c = Company.find_or_create_by_rating(1000, {:name => "Fortune 1000"})
    assert_equal "Fortune 1000", c.name
    assert_equal 1000, c.rating
    assert c.valid?
    assert c.persisted?
  end

  def test_find_or_initialize_should_set_protected_attributes_if_given_as_block
    c = Company.find_or_initialize_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 }
    assert_equal "Fortune 1000", c.name
    assert_equal 1000.to_f, c.rating.to_f
    assert c.valid?
    assert !c.persisted?
  end

  def test_find_or_create_should_set_protected_attributes_if_given_as_block
    c = Company.find_or_create_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 }
    assert_equal "Fortune 1000", c.name
    assert_equal 1000.to_f, c.rating.to_f
    assert c.valid?
    assert c.persisted?
  end

  def test_find_or_create_should_work_with_block_on_first_call
	  class << Company
		undef_method(:find_or_create_by_name) if method_defined?(:find_or_create_by_name)
	  end
    c = Company.find_or_create_by_name(:name => "Fortune 1000") { |f| f.rating = 1000 }
    assert_equal "Fortune 1000", c.name
    assert_equal 1000.to_f, c.rating.to_f
    assert c.valid?
    assert c.persisted?
  end

  def test_find_or_initialize_from_two_attributes
    another = Topic.find_or_initialize_by_title_and_author_name("Another topic","John")
    assert_equal "Another topic", another.title
    assert_equal "John", another.author_name
    assert !another.persisted?
  end

  def test_find_or_initialize_from_one_aggregate_attribute_and_one_not
    new_customer = Customer.find_or_initialize_by_balance_and_name(Money.new(123), "Elizabeth")
    assert_equal 123, new_customer.balance.amount
    assert_equal "Elizabeth", new_customer.name
    assert !new_customer.persisted?
  end

  def test_find_or_initialize_from_one_attribute_and_hash
    sig38 = Company.find_or_initialize_by_name({:name => "38signals", :firm_id => 17, :client_of => 23})
    assert_equal "38signals", sig38.name
    assert_equal 17, sig38.firm_id
    assert_equal 23, sig38.client_of
    assert !sig38.persisted?
  end

  def test_find_or_initialize_from_one_aggregate_attribute_and_hash
    balance = Money.new(123)
    name = "Elizabeth"
    new_customer = Customer.find_or_initialize_by_balance({:balance => balance, :name => name})
    assert_equal balance, new_customer.balance
    assert_equal name, new_customer.name
    assert !new_customer.persisted?
  end

  def test_find_with_bad_sql
    assert_raise(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" }
  end

  def test_find_with_invalid_params
    assert_raise(ArgumentError) { Topic.find :first, :join => "It should be `joins'" }
    assert_raise(ArgumentError) { Topic.find :first, :conditions => '1 = 1', :join => "It should be `joins'" }
  end

  def test_dynamic_finder_with_invalid_params
    assert_raise(ArgumentError) { Topic.find_by_title 'No Title', :join => "It should be `joins'" }
  end

  def test_find_all_with_join
    developers_on_project_one = Developer.find(
      :all,
      :joins => 'LEFT JOIN developers_projects ON developers.id = developers_projects.developer_id',
      :conditions => 'project_id=1'
    )
    assert_equal 3, developers_on_project_one.length
    developer_names = developers_on_project_one.map { |d| d.name }
    assert developer_names.include?('David')
    assert developer_names.include?('Jamis')
  end

  def test_joins_dont_clobber_id
    first = Firm.find(
      :first,
      :joins => 'INNER JOIN companies clients ON clients.firm_id = companies.id',
      :conditions => 'companies.id = 1'
    )
    assert_equal 1, first.id
  end

  def test_joins_with_string_array
    person_with_reader_and_post = Post.find(
      :all,
      :joins => [
        "INNER JOIN categorizations ON categorizations.post_id = posts.id",
        "INNER JOIN categories ON categories.id = categorizations.category_id AND categories.type = 'SpecialCategory'"
      ]
    )
    assert_equal 1, person_with_reader_and_post.size
  end

  def test_find_by_id_with_conditions_with_or
    assert_nothing_raised do
      Post.find([1,2,3],
        :conditions => "posts.id <= 3 OR posts.#{QUOTED_TYPE} = 'Post'")
    end
  end

  # http://dev.rubyonrails.org/ticket/6778
  def test_find_ignores_previously_inserted_record
    Post.create!(:title => 'test', :body => 'it out')
    assert_equal [], Post.find_all_by_id(nil)
  end

  def test_find_by_empty_ids
    assert_equal [], Post.find([])
  end

  def test_find_by_empty_in_condition
    assert_equal [], Post.find(:all, :conditions => ['id in (?)', []])
  end

  def test_find_by_records
    p1, p2 = Post.find(:all, :limit => 2, :order => 'id asc')
    assert_equal [p1, p2], Post.find(:all, :conditions => ['id in (?)', [p1, p2]], :order => 'id asc')
    assert_equal [p1, p2], Post.find(:all, :conditions => ['id in (?)', [p1, p2.id]], :order => 'id asc')
  end

  def test_select_value
    assert_equal "37signals", Company.connection.select_value("SELECT name FROM companies WHERE id = 1")
    assert_nil Company.connection.select_value("SELECT name FROM companies WHERE id = -1")
    # make sure we didn't break count...
    assert_equal 0, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = 'Halliburton'")
    assert_equal 1, Company.count_by_sql("SELECT COUNT(*) FROM companies WHERE name = '37signals'")
  end

  def test_select_values
    assert_equal ["1","2","3","4","5","6","7","8","9", "10"], Company.connection.select_values("SELECT id FROM companies ORDER BY id").map! { |i| i.to_s }
    assert_equal ["37signals","Summit","Microsoft", "Flamboyant Software", "Ex Nihilo", "RailsCore", "Leetsoft", "Jadedpixel", "Odegy", "Ex Nihilo Part Deux"], Company.connection.select_values("SELECT name FROM companies ORDER BY id")
  end

  def test_select_rows
    assert_equal(
      [["1", "1", nil, "37signals"],
       ["2", "1", "2", "Summit"],
       ["3", "1", "1", "Microsoft"]],
      Company.connection.select_rows("SELECT id, firm_id, client_of, name FROM companies WHERE id IN (1,2,3) ORDER BY id").map! {|i| i.map! {|j| j.to_s unless j.nil?}})
    assert_equal [["1", "37signals"], ["2", "Summit"], ["3", "Microsoft"]],
      Company.connection.select_rows("SELECT id, name FROM companies WHERE id IN (1,2,3) ORDER BY id").map! {|i| i.map! {|j| j.to_s unless j.nil?}}
  end

  def test_find_with_order_on_included_associations_with_construct_finder_sql_for_association_limiting_and_is_distinct
    assert_equal 2, Post.find(:all, :include => { :authors => :author_address }, :order => ' author_addresses.id DESC ', :limit => 2).size

    assert_equal 3, Post.find(:all, :include => { :author => :author_address, :authors => :author_address},
                              :order => ' author_addresses_authors.id DESC ', :limit => 3).size
  end

  def test_with_limiting_with_custom_select
    posts = Post.find(:all, :include => :author, :select => ' posts.*, authors.id as "author_id"', :limit => 3, :order => 'posts.id')
    assert_equal 3, posts.size
    assert_equal [0, 1, 1], posts.map(&:author_id).sort
  end

  def test_finder_with_scoped_from
    all_topics = Topic.find(:all)

    Topic.send(:with_scope, :find => { :from => 'fake_topics' }) do
      assert_equal all_topics, Topic.from('topics').to_a
    end
  end

  def test_find_one_message_with_custom_primary_key
    Toy.set_primary_key :name
    begin
      Toy.find 'Hello World!'
    rescue ActiveRecord::RecordNotFound => e
      assert_equal 'Couldn\'t find Toy with name=Hello World!', e.message
    end
  end

  protected
    def bind(statement, *vars)
      if vars.first.is_a?(Hash)
        ActiveRecord::Base.send(:replace_named_bind_variables, statement, vars.first)
      else
        ActiveRecord::Base.send(:replace_bind_variables, statement, vars)
      end
    end

    def with_env_tz(new_tz = 'US/Eastern')
      old_tz, ENV['TZ'] = ENV['TZ'], new_tz
      yield
    ensure
      old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
    end

    def with_active_record_default_timezone(zone)
      old_zone, ActiveRecord::Base.default_timezone = ActiveRecord::Base.default_timezone, zone
      yield
    ensure
      ActiveRecord::Base.default_timezone = old_zone
    end
end