summaryrefslogtreecommitdiff
path: root/spec/models/issue_spec.rb
blob: 29305ba435c366e99a464ce795dc1b05e3993fd7 (plain)
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
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Issue do
  include ExternalAuthorizationServiceHelpers

  using RSpec::Parameterized::TableSyntax

  let_it_be(:user) { create(:user) }
  let_it_be(:reusable_project) { create(:project) }

  describe "Associations" do
    it { is_expected.to belong_to(:milestone) }
    it { is_expected.to belong_to(:iteration) }
    it { is_expected.to belong_to(:project) }
    it { is_expected.to have_one(:namespace).through(:project) }
    it { is_expected.to belong_to(:work_item_type).class_name('WorkItems::Type') }
    it { is_expected.to belong_to(:moved_to).class_name('Issue') }
    it { is_expected.to have_one(:moved_from).class_name('Issue') }
    it { is_expected.to belong_to(:duplicated_to).class_name('Issue') }
    it { is_expected.to belong_to(:closed_by).class_name('User') }
    it { is_expected.to have_many(:assignees) }
    it { is_expected.to have_many(:user_mentions).class_name("IssueUserMention") }
    it { is_expected.to have_many(:designs) }
    it { is_expected.to have_many(:design_versions) }
    it { is_expected.to have_one(:sentry_issue) }
    it { is_expected.to have_one(:alert_management_alert) }
    it { is_expected.to have_many(:resource_milestone_events) }
    it { is_expected.to have_many(:resource_state_events) }
    it { is_expected.to have_and_belong_to_many(:prometheus_alert_events) }
    it { is_expected.to have_and_belong_to_many(:self_managed_prometheus_alert_events) }
    it { is_expected.to have_many(:prometheus_alerts) }
    it { is_expected.to have_many(:issue_email_participants) }
    it { is_expected.to have_one(:email) }
    it { is_expected.to have_many(:timelogs).autosave(true) }
    it { is_expected.to have_one(:incident_management_issuable_escalation_status) }
    it { is_expected.to have_many(:issue_customer_relations_contacts) }
    it { is_expected.to have_many(:customer_relations_contacts) }

    describe 'versions.most_recent' do
      it 'returns the most recent version' do
        issue = create(:issue, project: reusable_project)
        create_list(:design_version, 2, issue: issue)
        last_version = create(:design_version, issue: issue)

        expect(issue.design_versions.most_recent).to eq(last_version)
      end
    end
  end

  describe 'modules' do
    subject { described_class }

    it { is_expected.to include_module(Issuable) }
    it { is_expected.to include_module(Referable) }
    it { is_expected.to include_module(Sortable) }
    it { is_expected.to include_module(Taskable) }
    it { is_expected.to include_module(MilestoneEventable) }
    it { is_expected.to include_module(StateEventable) }

    it_behaves_like 'AtomicInternalId' do
      let(:internal_id_attribute) { :iid }
      let(:instance) { build(:issue) }
      let(:scope) { :project }
      let(:scope_attrs) { { project: instance.project } }
      let(:usage) { :issues }
    end
  end

  describe 'validations' do
    subject { issue.valid? }

    describe 'issue_type' do
      let(:issue) { build(:issue, issue_type: issue_type) }

      context 'when a valid type' do
        let(:issue_type) { :issue }

        it { is_expected.to eq(true) }
      end

      context 'empty type' do
        let(:issue_type) { nil }

        it { is_expected.to eq(false) }
      end
    end
  end

  subject { create(:issue, project: reusable_project) }

  describe 'callbacks' do
    describe '#ensure_metrics' do
      it 'creates metrics after saving' do
        expect(subject.metrics).to be_persisted
        expect(Issue::Metrics.count).to eq(1)
      end

      it 'does not create duplicate metrics for an issue' do
        subject.close!

        expect(subject.metrics).to be_persisted
        expect(Issue::Metrics.count).to eq(1)
      end

      it 'records current metrics' do
        expect(Issue::Metrics).to receive(:record!)

        create(:issue, project: reusable_project)
      end

      context 'when metrics record is missing' do
        before do
          subject.metrics.delete
          subject.reload
        end

        it 'creates the metrics record' do
          subject.update!(title: 'title')

          expect(subject.metrics).to be_present
        end
      end
    end

    describe '#record_create_action' do
      it 'records the creation action after saving' do
        expect(Gitlab::UsageDataCounters::IssueActivityUniqueCounter).to receive(:track_issue_created_action)

        create(:issue)
      end
    end
  end

  context 'order by upvotes' do
    let!(:issue) { create(:issue) }
    let!(:issue2) { create(:issue) }
    let!(:award_emoji) { create(:award_emoji, :upvote, awardable: issue2) }

    describe '.order_upvotes_desc' do
      it 'orders on upvotes' do
        expect(described_class.order_upvotes_desc.to_a).to eq [issue2, issue]
      end
    end

    describe '.order_upvotes_asc' do
      it 'orders on upvotes' do
        expect(described_class.order_upvotes_asc.to_a).to eq [issue, issue2]
      end
    end
  end

  describe '.with_alert_management_alerts' do
    subject { described_class.with_alert_management_alerts }

    it 'gets only issues with alerts' do
      alert = create(:alert_management_alert, project: reusable_project, issue: create(:issue, project: reusable_project))
      issue = create(:issue, project: reusable_project)

      expect(subject).to contain_exactly(alert.issue)
      expect(subject).not_to include(issue)
    end
  end

  describe '.simple_sorts' do
    it 'includes all keys' do
      expect(described_class.simple_sorts.keys).to include(
        *%w(created_asc created_at_asc created_date created_desc created_at_desc
            closest_future_date closest_future_date_asc due_date due_date_asc due_date_desc
            id_asc id_desc relative_position relative_position_asc updated_desc updated_asc
            updated_at_asc updated_at_desc title_asc title_desc))
    end
  end

  describe '.with_issue_type' do
    let_it_be(:issue) { create(:issue, project: reusable_project) }
    let_it_be(:incident) { create(:incident, project: reusable_project) }

    it 'gives issues with the given issue type' do
      expect(described_class.with_issue_type('issue'))
        .to contain_exactly(issue)
    end

    it 'gives issues with the given issue type' do
      expect(described_class.with_issue_type(%w(issue incident)))
        .to contain_exactly(issue, incident)
    end
  end

  describe '.order_severity' do
    let_it_be(:issue_high_severity) { create(:issuable_severity, severity: :high).issue }
    let_it_be(:issue_low_severity) { create(:issuable_severity, severity: :low).issue }
    let_it_be(:issue_no_severity) { create(:incident) }

    context 'sorting ascending' do
      subject { described_class.order_severity_asc }

      it { is_expected.to eq([issue_no_severity, issue_low_severity, issue_high_severity]) }
    end

    context 'sorting descending' do
      subject { described_class.order_severity_desc }

      it { is_expected.to eq([issue_high_severity, issue_low_severity, issue_no_severity]) }
    end
  end

  describe '.order_title' do
    let_it_be(:issue1) { create(:issue, title: 'foo') }
    let_it_be(:issue2) { create(:issue, title: 'bar') }
    let_it_be(:issue3) { create(:issue, title: 'baz') }
    let_it_be(:issue4) { create(:issue, title: 'Baz 2') }

    context 'sorting ascending' do
      subject { described_class.order_title_asc }

      it { is_expected.to eq([issue2, issue3, issue4, issue1]) }
    end

    context 'sorting descending' do
      subject { described_class.order_title_desc }

      it { is_expected.to eq([issue1, issue4, issue3, issue2]) }
    end
  end

  describe '#order_by_relative_position' do
    let(:project) { reusable_project }
    let!(:issue1) { create(:issue, project: project) }
    let!(:issue2) { create(:issue, project: project) }
    let!(:issue3) { create(:issue, project: project, relative_position: -200) }
    let!(:issue4) { create(:issue, project: project, relative_position: -100) }

    it 'returns ordered list' do
      expect(project.issues.order_by_relative_position)
        .to match [issue3, issue4, issue1, issue2]
    end
  end

  # TODO: Remove when NOT NULL constraint is added to the relationship
  describe '#work_item_type' do
    let(:issue) { create(:issue, :incident, project: reusable_project, work_item_type: nil) }

    it 'returns a default type if the legacy issue does not have a work item type associated yet' do
      expect(issue.work_item_type_id).to be_nil
      expect(issue.issue_type).to eq('incident')
      expect(issue.work_item_type).to eq(WorkItems::Type.default_by_type(:incident))
    end
  end

  describe '#sort' do
    let(:project) { reusable_project }

    context "by relative_position" do
      let!(:issue)  { create(:issue, project: project, relative_position: nil) }
      let!(:issue2) { create(:issue, project: project, relative_position: 2) }
      let!(:issue3) { create(:issue, project: project, relative_position: 1) }

      it "sorts asc with nulls at the end" do
        issues = project.issues.sort_by_attribute('relative_position')
        expect(issues).to eq([issue3, issue2, issue])
      end
    end
  end

  describe '#card_attributes' do
    it 'includes the author name' do
      allow(subject).to receive(:author).and_return(double(name: 'Robert'))
      allow(subject).to receive(:assignees).and_return([])

      expect(subject.card_attributes)
        .to eq({ 'Author' => 'Robert', 'Assignee' => '' })
    end

    it 'includes the assignee name' do
      allow(subject).to receive(:author).and_return(double(name: 'Robert'))
      allow(subject).to receive(:assignees).and_return([double(name: 'Douwe')])

      expect(subject.card_attributes)
        .to eq({ 'Author' => 'Robert', 'Assignee' => 'Douwe' })
    end
  end

  describe '#close' do
    subject(:issue) { create(:issue, project: reusable_project, state: 'opened') }

    it 'sets closed_at to Time.current when an issue is closed' do
      expect { issue.close }.to change { issue.closed_at }.from(nil)
    end

    it 'changes the state to closed' do
      open_state = described_class.available_states[:opened]
      closed_state = described_class.available_states[:closed]

      expect { issue.close }.to change { issue.state_id }.from(open_state).to(closed_state)
    end

    context 'when an argument is provided' do
      context 'and the argument is a User' do
        it 'changes closed_by to the given user' do
          expect { issue.close(user) }.to change { issue.closed_by }.from(nil).to(user)
        end
      end

      context 'and the argument is a not a User' do
        it 'does not change closed_by' do
          expect { issue.close("test") }.not_to change { issue.closed_by }
        end
      end
    end

    context 'when an argument is not provided' do
      it 'does not change closed_by' do
        expect { issue.close }.not_to change { issue.closed_by }
      end
    end
  end

  describe '#reopen' do
    let_it_be_with_reload(:issue) { create(:issue, project: reusable_project, state: 'closed', closed_at: Time.current, closed_by: user) }

    it 'sets closed_at to nil when an issue is reopened' do
      expect { issue.reopen }.to change { issue.closed_at }.to(nil)
    end

    it 'sets closed_by to nil when an issue is reopened' do
      expect { issue.reopen }.to change { issue.closed_by }.from(user).to(nil)
    end

    it 'clears moved_to_id for moved issues' do
      moved_issue = create(:issue)

      issue.update!(moved_to_id: moved_issue.id)

      expect { issue.reopen }.to change { issue.moved_to_id }.from(moved_issue.id).to(nil)
    end

    it 'clears duplicated_to_id for duplicated issues' do
      duplicate_issue = create(:issue)

      issue.update!(duplicated_to_id: duplicate_issue.id)

      expect { issue.reopen }.to change { issue.duplicated_to_id }.from(duplicate_issue.id).to(nil)
    end

    it 'changes the state to opened' do
      expect { issue.reopen }.to change { issue.state_id }.from(described_class.available_states[:closed]).to(described_class.available_states[:opened])
    end
  end

  describe '#to_reference' do
    let(:namespace) { build(:namespace, path: 'sample-namespace') }
    let(:project)   { build(:project, name: 'sample-project', namespace: namespace) }
    let(:issue)     { build(:issue, iid: 1, project: project) }

    context 'when nil argument' do
      it 'returns issue id' do
        expect(issue.to_reference).to eq "#1"
      end

      it 'returns complete path to the issue with full: true' do
        expect(issue.to_reference(full: true)).to eq 'sample-namespace/sample-project#1'
      end
    end

    context 'when argument is a project' do
      context 'when same project' do
        it 'returns issue id' do
          expect(issue.to_reference(project)).to eq("#1")
        end

        it 'returns full reference with full: true' do
          expect(issue.to_reference(project, full: true)).to eq 'sample-namespace/sample-project#1'
        end
      end

      context 'when cross-project in same namespace' do
        let(:another_project) do
          build(:project, name: 'another-project', namespace: project.namespace)
        end

        it 'returns a cross-project reference' do
          expect(issue.to_reference(another_project)).to eq "sample-project#1"
        end
      end

      context 'when cross-project in different namespace' do
        let(:another_namespace) { build(:namespace, id: non_existing_record_id, path: 'another-namespace') }
        let(:another_namespace_project) { build(:project, path: 'another-project', namespace: another_namespace) }

        it 'returns complete path to the issue' do
          expect(issue.to_reference(another_namespace_project)).to eq 'sample-namespace/sample-project#1'
        end
      end
    end

    context 'when argument is a namespace' do
      context 'when same as issue' do
        it 'returns path to the issue with the project name' do
          expect(issue.to_reference(namespace)).to eq 'sample-project#1'
        end

        it 'returns full reference with full: true' do
          expect(issue.to_reference(namespace, full: true)).to eq 'sample-namespace/sample-project#1'
        end
      end

      context 'when different to issue namespace' do
        let(:group) { build(:group, name: 'Group', path: 'sample-group') }

        it 'returns full path to the issue with full: true' do
          expect(issue.to_reference(group)).to eq 'sample-namespace/sample-project#1'
        end
      end
    end
  end

  describe '#assignee_or_author?' do
    let(:issue) { create(:issue, project: reusable_project) }

    it 'returns true for a user that is assigned to an issue' do
      issue.assignees << user

      expect(issue.assignee_or_author?(user)).to be_truthy
    end

    it 'returns true for a user that is the author of an issue' do
      issue.update!(author: user)

      expect(issue.assignee_or_author?(user)).to be_truthy
    end

    it 'returns false for a user that is not the assignee or author' do
      expect(issue.assignee_or_author?(user)).to be_falsey
    end
  end

  describe '#related_issues' do
    let_it_be(:authorized_project) { create(:project) }
    let_it_be(:authorized_project2) { create(:project) }
    let_it_be(:unauthorized_project) { create(:project) }

    let_it_be(:authorized_issue_a) { create(:issue, project: authorized_project) }
    let_it_be(:authorized_issue_b) { create(:issue, project: authorized_project) }
    let_it_be(:authorized_issue_c) { create(:issue, project: authorized_project2) }

    let_it_be(:unauthorized_issue) { create(:issue, project: unauthorized_project) }

    let_it_be(:issue_link_a) { create(:issue_link, source: authorized_issue_a, target: authorized_issue_b) }
    let_it_be(:issue_link_b) { create(:issue_link, source: authorized_issue_a, target: unauthorized_issue) }
    let_it_be(:issue_link_c) { create(:issue_link, source: authorized_issue_a, target: authorized_issue_c) }

    before_all do
      authorized_project.add_developer(user)
      authorized_project2.add_developer(user)
    end

    it 'returns only authorized related issues for given user' do
      expect(authorized_issue_a.related_issues(user))
        .to contain_exactly(authorized_issue_b, authorized_issue_c)
    end

    it 'returns issues with valid issue_link_type' do
      link_types = authorized_issue_a.related_issues(user).map(&:issue_link_type)

      expect(link_types).not_to be_empty
      expect(link_types).not_to include(nil)
    end

    it 'returns issues including the link creation time' do
      dates = authorized_issue_a.related_issues(user).map(&:issue_link_created_at)

      expect(dates).not_to be_empty
      expect(dates).not_to include(nil)
    end

    it 'returns issues including the link update time' do
      dates = authorized_issue_a.related_issues(user).map(&:issue_link_updated_at)

      expect(dates).not_to be_empty
      expect(dates).not_to include(nil)
    end

    describe 'when a user cannot read cross project' do
      it 'only returns issues within the same project' do
        expect(Ability).to receive(:allowed?).with(user, :read_all_resources, :global).at_least(:once).and_call_original
        expect(Ability).to receive(:allowed?).with(user, :read_cross_project).and_return(false)

        expect(authorized_issue_a.related_issues(user))
          .to contain_exactly(authorized_issue_b)
      end
    end
  end

  describe '#can_move?' do
    let(:issue) { create(:issue) }

    subject { issue.can_move?(user) }

    context 'user is not a member of project issue belongs to' do
      it { is_expected.to eq false}
    end

    context 'user is reporter in project issue belongs to' do
      let(:issue) { create(:issue, project: reusable_project) }

      before_all do
        reusable_project.add_reporter(user)
      end

      it { is_expected.to eq true }

      context 'issue not persisted' do
        let(:issue) { build(:issue, project: reusable_project) }

        it { is_expected.to eq false }
      end

      context 'checking destination project also' do
        subject { issue.can_move?(user, to_project) }

        let_it_be(:to_project) { create(:project) }

        context 'destination project allowed' do
          before do
            to_project.add_reporter(user)
          end

          it { is_expected.to eq true }
        end

        context 'destination project not allowed' do
          before do
            to_project.add_guest(user)
          end

          it { is_expected.to eq false }
        end
      end
    end
  end

  describe '#moved?' do
    context 'when issue has not been moved' do
      subject { build_stubbed(:issue) }

      it { is_expected.not_to be_moved }
    end

    context 'when issue has already been moved' do
      subject { build_stubbed(:issue, moved_to: build_stubbed(:issue)) }

      it { is_expected.to be_moved }
    end
  end

  describe '#duplicated?' do
    let(:issue) { create(:issue, project: reusable_project) }

    subject { issue.duplicated? }

    context 'issue not duplicated' do
      it { is_expected.to eq false }
    end

    context 'issue already duplicated' do
      let(:duplicated_to_issue) { create(:issue, project: reusable_project) }
      let(:issue) { create(:issue, duplicated_to: duplicated_to_issue) }

      it { is_expected.to eq true }
    end
  end

  describe '#from_service_desk?' do
    subject { issue.from_service_desk? }

    context 'when issue author is support bot' do
      let(:issue) { create(:issue, project: reusable_project, author: ::User.support_bot) }

      it { is_expected.to be_truthy }
    end

    context 'when issue author is not support bot' do
      let(:issue) { create(:issue, project: reusable_project) }

      it { is_expected.to be_falsey }
    end
  end

  describe '#suggested_branch_name' do
    let(:repository) { double }

    subject { build(:issue) }

    before do
      allow(subject.project).to receive(:repository).and_return(repository)
    end

    describe '#to_branch_name does not exists' do
      before do
        allow(repository).to receive(:branch_exists?).and_return(false)
      end

      it 'returns #to_branch_name' do
        expect(subject.suggested_branch_name).to eq(subject.to_branch_name)
      end
    end

    describe '#to_branch_name exists not ending with -index' do
      before do
        allow(repository).to receive(:branch_exists?).and_return(true)
        allow(repository).to receive(:branch_exists?).with(/#{subject.to_branch_name}-\d/).and_return(false)
      end

      it 'returns #to_branch_name ending with -2' do
        expect(subject.suggested_branch_name).to eq("#{subject.to_branch_name}-2")
      end
    end

    describe '#to_branch_name exists ending with -index' do
      before do
        allow(repository).to receive(:branch_exists?).and_return(true)
        allow(repository).to receive(:branch_exists?).with("#{subject.to_branch_name}-3").and_return(false)
      end

      it 'returns #to_branch_name ending with max index + 1' do
        expect(subject.suggested_branch_name).to eq("#{subject.to_branch_name}-3")
      end
    end
  end

  describe '#has_related_branch?' do
    let(:issue) { create(:issue, project: reusable_project, title: "Blue Bell Knoll") }

    subject { issue.has_related_branch? }

    context 'branch found' do
      before do
        allow(issue.project.repository).to receive(:branch_names).and_return(["iceblink-luck", issue.to_branch_name])
      end

      it { is_expected.to eq true }
    end

    context 'branch not found' do
      before do
        allow(issue.project.repository).to receive(:branch_names).and_return(["lazy-calm"])
      end

      it { is_expected.to eq false }
    end
  end

  it_behaves_like 'an editable mentionable' do
    subject { create(:issue, project: create(:project, :repository)) }

    let(:backref_text) { "issue #{subject.to_reference}" }
    let(:set_mentionable_text) { ->(txt) { subject.description = txt } }
  end

  it_behaves_like 'a Taskable' do
    let(:subject) { create :issue }
  end

  describe '.to_branch_name' do
    it 'parameterizes arguments and joins with dashes' do
      expect(described_class.to_branch_name(123, 'foo bar', '!@#$%', 'f!o@o#b$a%r^')).to eq('123-foo-bar-f-o-o-b-a-r')
    end

    it 'preserves the case in the first argument' do
      expect(described_class.to_branch_name('ACME-!@#$-123', 'FoO BaR')).to eq('ACME-123-foo-bar')
    end

    it 'truncates branch name to at most 100 characters' do
      expect(described_class.to_branch_name('a' * 101)).to eq('a' * 100)
    end

    it 'truncates dangling parts of the branch name' do
      branch_name = described_class.to_branch_name(
        999,
        'Lorem ipsum dolor sit amet consectetur adipiscing elit Mauris sit amet ipsum id lacus custom fringilla convallis'
      )

      # 100 characters would've got us "999-lorem...lacus-custom-fri".
      expect(branch_name).to eq('999-lorem-ipsum-dolor-sit-amet-consectetur-adipiscing-elit-mauris-sit-amet-ipsum-id-lacus-custom')
    end
  end

  describe '#to_branch_name' do
    let_it_be(:issue) { create(:issue, project: reusable_project, iid: 123, title: 'Testing Issue') }

    it 'returns a branch name with the issue title if not confidential' do
      expect(issue.to_branch_name).to eq('123-testing-issue')
    end

    it 'returns a generic branch name if confidential' do
      issue.confidential = true
      expect(issue.to_branch_name).to eq('123-confidential-issue')
    end
  end

  describe '#can_be_worked_on?' do
    let(:project) { build(:project) }

    subject { build(:issue, :opened, project: project) }

    context 'is closed' do
      subject { build(:issue, :closed) }

      it { is_expected.not_to be_can_be_worked_on }
    end

    context 'project is forked' do
      before do
        allow(project).to receive(:forked?).and_return(true)
      end

      it { is_expected.not_to be_can_be_worked_on }
    end

    it { is_expected.to be_can_be_worked_on }
  end

  describe '#participants' do
    context 'using a public project' do
      let_it_be(:issue) { create(:issue, project: reusable_project) }

      let!(:note1) do
        create(:note_on_issue, noteable: issue, project: reusable_project, note: 'a')
      end

      let!(:note2) do
        create(:note_on_issue, noteable: issue, project: reusable_project, note: 'b')
      end

      it 'includes the issue author' do
        expect(issue.participants).to include(issue.author)
      end

      it 'includes the authors of the notes' do
        expect(issue.participants).to include(note1.author, note2.author)
      end
    end

    context 'using a private project' do
      it 'does not include mentioned users that do not have access to the project' do
        project = create(:project)
        issue = create(:issue, project: project)
        user = create(:user)

        create(:note_on_issue,
               noteable: issue,
               project: project,
               note: user.to_reference)

        expect(issue.participants).not_to include(user)
      end
    end
  end

  describe 'cached counts' do
    it 'updates when assignees change' do
      user1 = create(:user)
      user2 = create(:user)
      issue = create(:issue, assignees: [user1], project: reusable_project)
      reusable_project.add_developer(user1)
      reusable_project.add_developer(user2)

      expect(user1.assigned_open_issues_count).to eq(1)
      expect(user2.assigned_open_issues_count).to eq(0)

      issue.assignees = [user2]
      issue.save!

      expect(user1.assigned_open_issues_count).to eq(0)
      expect(user2.assigned_open_issues_count).to eq(1)
    end
  end

  describe '#visible_to_user?' do
    let(:project) { reusable_project }
    let(:issue)   { build(:issue, project: project) }

    subject { issue.visible_to_user?(user) }

    context 'with a project' do
      it 'returns false when feature is disabled' do
        project.project_feature.update_attribute(:issues_access_level, ProjectFeature::DISABLED)

        is_expected.to eq(false)
      end

      it 'returns false when restricted for members' do
        project.project_feature.update_attribute(:issues_access_level, ProjectFeature::PRIVATE)

        is_expected.to eq(false)
      end
    end

    context 'without a user' do
      let(:user) { nil }

      before do
        project.project_feature.update_attribute(:issues_access_level, ProjectFeature::PUBLIC)
      end

      it 'returns true when the issue is publicly visible' do
        expect(issue).to receive(:publicly_visible?).and_return(true)

        is_expected.to eq(true)
      end

      it 'returns false when the issue is not publicly visible' do
        expect(issue).to receive(:publicly_visible?).and_return(false)

        is_expected.to eq(false)
      end
    end

    context 'with a user' do
      shared_examples 'issue readable by user' do
        it { is_expected.to eq(true) }
      end

      shared_examples 'issue not readable by user' do
        it { is_expected.to eq(false) }
      end

      shared_examples 'confidential issue readable by user' do
        specify do
          issue.confidential = true

          is_expected.to eq(true)
        end
      end

      shared_examples 'confidential issue not readable by user' do
        specify do
          issue.confidential = true

          is_expected.to eq(false)
        end
      end

      shared_examples 'hidden issue readable by user' do
        before do
          issue.author.ban!
        end

        specify do
          is_expected.to eq(true)
        end

        after do
          issue.author.activate!
        end
      end

      shared_examples 'hidden issue not readable by user' do
        before do
          issue.author.ban!
        end

        specify do
          is_expected.to eq(false)
        end

        after do
          issue.author.activate!
        end
      end

      context 'with an admin user' do
        let(:user) { build(:admin) }

        context 'when admin mode is enabled', :enable_admin_mode do
          it_behaves_like 'issue readable by user'
          it_behaves_like 'confidential issue readable by user'
          it_behaves_like 'hidden issue readable by user'
        end

        context 'when admin mode is disabled' do
          it_behaves_like 'issue not readable by user'
          it_behaves_like 'confidential issue not readable by user'
          it_behaves_like 'hidden issue not readable by user'
        end
      end

      # TODO update when we have multiple owners of a project
      # https://gitlab.com/gitlab-org/gitlab/-/issues/350605
      context 'with an owner' do
        before do
          project.add_maintainer(user)
        end

        it_behaves_like 'issue readable by user'
        it_behaves_like 'confidential issue readable by user'
        it_behaves_like 'hidden issue not readable by user'
      end

      context 'with a reporter user' do
        before do
          project.add_reporter(user)
        end

        it_behaves_like 'issue readable by user'
        it_behaves_like 'confidential issue readable by user'
        it_behaves_like 'hidden issue not readable by user'
      end

      context 'with a guest user' do
        before do
          project.add_guest(user)
        end

        it_behaves_like 'issue readable by user'
        it_behaves_like 'confidential issue not readable by user'
        it_behaves_like 'hidden issue not readable by user'

        context 'when user is an assignee' do
          before do
            issue.update!(assignees: [user])
          end

          it_behaves_like 'issue readable by user'
          it_behaves_like 'confidential issue readable by user'
          it_behaves_like 'hidden issue not readable by user'
        end

        context 'when user is the author' do
          before do
            issue.update!(author: user)
          end

          it_behaves_like 'issue readable by user'
          it_behaves_like 'confidential issue readable by user'
          it_behaves_like 'hidden issue not readable by user'
        end
      end

      context 'with a user that is not a member' do
        context 'using a public project' do
          let(:project) { build(:project, :public) }

          it_behaves_like 'issue readable by user'
          it_behaves_like 'confidential issue not readable by user'
          it_behaves_like 'hidden issue not readable by user'
        end

        context 'using an internal project' do
          let(:project) { build(:project, :internal) }

          context 'using an internal user' do
            before do
              allow(user).to receive(:external?).and_return(false)
            end

            it_behaves_like 'issue readable by user'
            it_behaves_like 'confidential issue not readable by user'
            it_behaves_like 'hidden issue not readable by user'
          end

          context 'using an external user' do
            before do
              allow(user).to receive(:external?).and_return(true)
            end

            it_behaves_like 'issue not readable by user'
            it_behaves_like 'confidential issue not readable by user'
            it_behaves_like 'hidden issue not readable by user'
          end
        end

        context 'using an external user' do
          before do
            allow(user).to receive(:external?).and_return(true)
          end

          it_behaves_like 'issue not readable by user'
          it_behaves_like 'confidential issue not readable by user'
          it_behaves_like 'hidden issue not readable by user'
        end
      end

      context 'with an external authentication service' do
        before do
          enable_external_authorization_service_check
        end

        it 'is `false` when an external authorization service is enabled' do
          issue = build(:issue, project: build(:project, :public))

          expect(issue).not_to be_visible_to_user
        end

        it 'checks the external service to determine if an issue is readable by a user' do
          project = build(:project, :public,
                          external_authorization_classification_label: 'a-label')
          issue = build(:issue, project: project)
          user = build(:user)

          allow(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label', project.full_path).and_call_original
          expect(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label') { false }
          expect(issue.visible_to_user?(user)).to be_falsy
        end

        it 'does not check the external service if a user does not have access to the project' do
          project = build(:project, :private,
                          external_authorization_classification_label: 'a-label')
          issue = build(:issue, project: project)
          user = build(:user)

          expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)
          expect(issue.visible_to_user?(user)).to be_falsy
        end

        context 'with an admin' do
          context 'when admin mode is enabled', :enable_admin_mode do
            it 'does not check the external webservice' do
              issue = build(:issue)
              user = build(:admin)

              expect(::Gitlab::ExternalAuthorization).not_to receive(:access_allowed?)

              issue.visible_to_user?(user)
            end
          end

          context 'when admin mode is disabled' do
            it 'checks the external service to determine if an issue is readable by the admin' do
              project = build(:project, :public,
                              external_authorization_classification_label: 'a-label')
              issue = build(:issue, project: project)
              user = build(:admin)

              allow(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label', project.full_path).and_call_original
              expect(::Gitlab::ExternalAuthorization).to receive(:access_allowed?).with(user, 'a-label') { false }
              expect(issue.visible_to_user?(user)).to be_falsy
            end
          end
        end
      end

      context 'when issue is moved to a private project' do
        let(:private_project) { build(:project, :private)}

        before do
          issue.update!(project: private_project) # move issue to private project
        end

        shared_examples 'issue visible if user has guest access' do
          context 'when user is not a member' do
            it_behaves_like 'issue not readable by user'
            it_behaves_like 'confidential issue not readable by user'
          end

          context 'when user is a guest' do
            before do
              private_project.add_guest(user)
            end

            it_behaves_like 'issue readable by user'
            it_behaves_like 'confidential issue readable by user'
          end
        end

        context 'when user is the author of the original issue' do
          before do
            issue.update!(author: user)
          end

          it_behaves_like 'issue visible if user has guest access'
        end

        context 'when user is an assignee in the original issue' do
          before do
            issue.update!(assignees: [user])
          end

          it_behaves_like 'issue visible if user has guest access'
        end

        context 'when user is not the author or an assignee in original issue' do
          context 'when user is a guest' do
            before do
              private_project.add_guest(user)
            end

            it_behaves_like 'issue readable by user'
            it_behaves_like 'confidential issue not readable by user'
          end

          context 'when user is a reporter' do
            before do
              private_project.add_reporter(user)
            end

            it_behaves_like 'issue readable by user'
            it_behaves_like 'confidential issue readable by user'
          end
        end
      end
    end
  end

  describe '#publicly_visible?' do
    context 'using a public project' do
      let(:project) { create(:project, :public) }

      it 'returns true for a regular issue' do
        issue = build(:issue, project: project)

        expect(issue).to be_truthy
      end

      it 'returns false for a confidential issue' do
        issue = build(:issue, :confidential, project: project)

        expect(issue).not_to be_falsy
      end
    end

    context 'using an internal project' do
      let(:project) { create(:project, :internal) }

      it 'returns false for a regular issue' do
        issue = build(:issue, project: project)

        expect(issue).not_to be_falsy
      end

      it 'returns false for a confidential issue' do
        issue = build(:issue, :confidential, project: project)

        expect(issue).not_to be_falsy
      end
    end

    context 'using a private project' do
      let(:project) { create(:project, :private) }

      it 'returns false for a regular issue' do
        issue = build(:issue, project: project)

        expect(issue).not_to be_falsy
      end

      it 'returns false for a confidential issue' do
        issue = build(:issue, :confidential, project: project)

        expect(issue).not_to be_falsy
      end
    end
  end

  describe '#hook_attrs' do
    it 'delegates to Gitlab::HookData::IssueBuilder#build' do
      builder = double

      expect(Gitlab::HookData::IssueBuilder)
        .to receive(:new).with(subject).and_return(builder)
      expect(builder).to receive(:build)

      subject.hook_attrs
    end
  end

  describe '#check_for_spam?' do
    let_it_be(:support_bot) { ::User.support_bot }

    where(:support_bot?, :visibility_level, :confidential, :new_attributes, :check_for_spam?) do
      ### non-support-bot cases
      # spammable attributes changing
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { description: 'new' } | true
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { title: 'new' } | true
      # confidential to non-confidential
      false | Gitlab::VisibilityLevel::PUBLIC   | true  | { confidential: false } | true
      # non-confidential to confidential
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { confidential: true } | false
      # spammable attributes changing on confidential
      false | Gitlab::VisibilityLevel::PUBLIC   | true  | { description: 'new' } | false
      # spammable attributes changing while changing to confidential
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { title: 'new', confidential: true } | false
      # spammable attribute not changing
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { description: 'original description' } | false
      # non-spammable attribute changing
      false | Gitlab::VisibilityLevel::PUBLIC   | false | { weight: 3 } | false
      # spammable attributes changing on non-public
      false | Gitlab::VisibilityLevel::INTERNAL | false | { description: 'new' } | false
      false | Gitlab::VisibilityLevel::PRIVATE  | false | { description: 'new' } | false

      ### support-bot cases
      # confidential to non-confidential
      true | Gitlab::VisibilityLevel::PUBLIC    | true  | { confidential: false } | true
      # non-confidential to confidential
      true | Gitlab::VisibilityLevel::PUBLIC    | false | { confidential: true } | false
      # spammable attributes changing on confidential
      true  | Gitlab::VisibilityLevel::PUBLIC   | true  | { description: 'new' } | true
      # spammable attributes changing while changing to confidential
      true  | Gitlab::VisibilityLevel::PUBLIC   | false | { title: 'new', confidential: true } | true
      # spammable attributes changing on non-public
      true  | Gitlab::VisibilityLevel::INTERNAL | false | { description: 'new' } | true
      true  | Gitlab::VisibilityLevel::PRIVATE  | false | { title: 'new' } | true
      # spammable attribute not changing
      true  | Gitlab::VisibilityLevel::PUBLIC   | false | { description: 'original description' } | false
      # non-spammable attribute changing
      true  | Gitlab::VisibilityLevel::PRIVATE  | true  | { weight: 3 } | false
    end

    with_them do
      it 'checks for spam when necessary' do
        active_user = support_bot? ? support_bot : user
        project = reusable_project
        project.update!(visibility_level: visibility_level)
        issue = create(:issue, project: project, confidential: confidential, description: 'original description', author: support_bot)

        issue.assign_attributes(new_attributes)

        expect(issue.check_for_spam?(user: active_user)).to eq(check_for_spam?)
      end
    end
  end

  describe 'removing an issue' do
    it 'refreshes the number of open issues of the project' do
      project = subject.project

      expect do
        subject.destroy!

        BatchLoader::Executor.clear_current
      end.to change { project.open_issues_count }.from(1).to(0)
    end
  end

  describe '.public_only' do
    let_it_be(:banned_user) { create(:user, :banned) }
    let_it_be(:public_issue) { create(:issue, project: reusable_project) }
    let_it_be(:confidential_issue) { create(:issue, project: reusable_project, confidential: true) }
    let_it_be(:hidden_issue) { create(:issue, project: reusable_project, author: banned_user) }

    it 'only returns public issues' do
      expect(described_class.public_only).to eq([public_issue])
    end

    context 'when feature flag is disabled' do
      before do
        stub_feature_flags(ban_user_feature_flag: false)
      end

      it 'returns public and hidden issues' do
        expect(described_class.public_only).to contain_exactly(public_issue, hidden_issue)
      end
    end
  end

  describe '.confidential_only' do
    it 'only returns confidential_only issues' do
      create(:issue, project: reusable_project)
      confidential_issue = create(:issue, project: reusable_project, confidential: true)

      expect(described_class.confidential_only).to eq([confidential_issue])
    end
  end

  describe '.without_hidden' do
    let_it_be(:banned_user) { create(:user, :banned) }
    let_it_be(:public_issue) { create(:issue, project: reusable_project) }
    let_it_be(:hidden_issue) { create(:issue, project: reusable_project, author: banned_user) }

    it 'only returns without_hidden issues' do
      expect(described_class.without_hidden).to eq([public_issue])
    end

    context 'when feature flag is disabled' do
      before do
        stub_feature_flags(ban_user_feature_flag: false)
      end

      it 'returns public and hidden issues' do
        expect(described_class.without_hidden).to contain_exactly(public_issue, hidden_issue)
      end
    end
  end

  describe '.by_project_id_and_iid' do
    let_it_be(:issue_a) { create(:issue, project: reusable_project) }
    let_it_be(:issue_b) { create(:issue, iid: issue_a.iid) }
    let_it_be(:issue_c) { create(:issue, project: issue_a.project) }
    let_it_be(:issue_d) { create(:issue, project: issue_a.project) }

    it_behaves_like 'a where_composite scope', :by_project_id_and_iid do
      let(:all_results) { [issue_a, issue_b, issue_c, issue_d] }
      let(:first_result) { issue_a }

      let(:composite_ids) do
        all_results.map { |issue| { project_id: issue.project_id, iid: issue.iid } }
      end
    end
  end

  describe '.service_desk' do
    it 'returns the service desk issue' do
      service_desk_issue = create(:issue, project: reusable_project, author: ::User.support_bot)
      regular_issue = create(:issue, project: reusable_project)

      expect(described_class.service_desk).to include(service_desk_issue)
      expect(described_class.service_desk).not_to include(regular_issue)
    end
  end

  it_behaves_like 'throttled touch' do
    subject { create(:issue, updated_at: 1.hour.ago) }
  end

  describe "#labels_hook_attrs" do
    let(:label) { create(:label) }
    let(:issue) { create(:labeled_issue, project: reusable_project, labels: [label]) }

    it "returns a list of label hook attributes" do
      expect(issue.labels_hook_attrs).to eq([label.hook_attrs])
    end
  end

  context "relative positioning" do
    let_it_be(:group) { create(:group) }
    let_it_be(:project) { create(:project, group: group) }
    let_it_be(:issue1) { create(:issue, project: project, relative_position: nil) }
    let_it_be(:issue2) { create(:issue, project: project, relative_position: nil) }

    it_behaves_like "a class that supports relative positioning" do
      let_it_be(:project) { reusable_project }
      let(:factory) { :issue }
      let(:default_params) { { project: project } }
    end

    it 'is not blocked for repositioning by default' do
      expect(issue1.blocked_for_repositioning?).to eq(false)
    end

    context 'when block_issue_repositioning flag is enabled for group' do
      before do
        stub_feature_flags(block_issue_repositioning: group)
      end

      it 'is blocked for repositioning' do
        expect(issue1.blocked_for_repositioning?).to eq(true)
      end

      it 'does not move issues with null position' do
        payload = [issue1, issue2]

        expect { described_class.move_nulls_to_end(payload) }.to raise_error(Gitlab::RelativePositioning::IssuePositioningDisabled)
        expect { described_class.move_nulls_to_start(payload) }.to raise_error(Gitlab::RelativePositioning::IssuePositioningDisabled)
      end
    end
  end

  it_behaves_like 'versioned description'

  describe "#previous_updated_at" do
    let_it_be(:updated_at) { Time.zone.local(2012, 01, 06) }
    let_it_be(:issue) { create(:issue, project: reusable_project, updated_at: updated_at) }

    it 'returns updated_at value if updated_at did not change at all' do
      allow(issue).to receive(:previous_changes).and_return({})

      expect(issue.previous_updated_at).to eq(updated_at)
    end

    it 'returns updated_at value if `previous_changes` has nil value for `updated_at`' do
      allow(issue).to receive(:previous_changes).and_return({ 'updated_at' => nil })

      expect(issue.previous_updated_at).to eq(updated_at)
    end

    it 'returns updated_at value if previous updated_at value is not present' do
      allow(issue).to receive(:previous_changes).and_return({ 'updated_at' => [nil, Time.zone.local(2013, 02, 06)] })

      expect(issue.previous_updated_at).to eq(updated_at)
    end

    it 'returns previous updated_at when present' do
      allow(issue).to receive(:previous_changes).and_return({ 'updated_at' => [Time.zone.local(2013, 02, 06), Time.zone.local(2013, 03, 06)] })

      expect(issue.previous_updated_at).to eq(Time.zone.local(2013, 02, 06))
    end
  end

  describe '#design_collection' do
    it 'returns a design collection' do
      issue = build(:issue)
      collection = issue.design_collection

      expect(collection).to be_a(DesignManagement::DesignCollection)
      expect(collection.issue).to eq(issue)
    end
  end

  describe 'current designs' do
    let(:issue) { create(:issue, project: reusable_project) }

    subject { issue.designs.current }

    context 'an issue has no designs' do
      it { is_expected.to be_empty }
    end

    context 'an issue only has current designs' do
      let!(:design_a) { create(:design, :with_file, issue: issue) }
      let!(:design_b) { create(:design, :with_file, issue: issue) }
      let!(:design_c) { create(:design, :with_file, issue: issue) }

      it { is_expected.to include(design_a, design_b, design_c) }
    end

    context 'an issue only has deleted designs' do
      let!(:design_a) { create(:design, :with_file, issue: issue, deleted: true) }
      let!(:design_b) { create(:design, :with_file, issue: issue, deleted: true) }
      let!(:design_c) { create(:design, :with_file, issue: issue, deleted: true) }

      it { is_expected.to be_empty }
    end

    context 'an issue has a mixture of current and deleted designs' do
      let!(:design_a) { create(:design, :with_file, issue: issue) }
      let!(:design_b) { create(:design, :with_file, issue: issue, deleted: true) }
      let!(:design_c) { create(:design, :with_file, issue: issue) }

      it { is_expected.to contain_exactly(design_a, design_c) }
    end
  end

  describe 'banzai_render_context' do
    let(:project) { build(:project_empty_repo) }
    let(:issue) { build :issue, project: project }

    subject(:context) { issue.banzai_render_context(:title) }

    it 'sets the label_url_method in the context' do
      expect(context[:label_url_method]).to eq(:project_issues_url)
    end
  end

  describe 'scheduling rebalancing' do
    before do
      allow_next_instance_of(RelativePositioning::Mover) do |mover|
        allow(mover).to receive(:move) { raise RelativePositioning::NoSpaceLeft }
      end
    end

    shared_examples 'schedules issues rebalancing' do
      let(:issue) { build_stubbed(:issue, relative_position: 100, project: project) }

      it 'schedules rebalancing if there is no space left' do
        lhs = build_stubbed(:issue, relative_position: 99, project: project)
        to_move = build(:issue, project: project)
        expect(Issues::RebalancingWorker).to receive(:perform_async).with(nil, project_id, namespace_id)

        expect { to_move.move_between(lhs, issue) }.to raise_error(RelativePositioning::NoSpaceLeft)
      end
    end

    context 'when project in user namespace' do
      let(:project) { build_stubbed(:project_empty_repo) }
      let(:project_id) { project.id }
      let(:namespace_id) { nil }

      it_behaves_like 'schedules issues rebalancing'
    end

    context 'when project in a group namespace' do
      let(:group) { create(:group) }
      let(:project) { build_stubbed(:project_empty_repo, group: group) }
      let(:project_id) { nil }
      let(:namespace_id) { group.id }

      it_behaves_like 'schedules issues rebalancing'
    end
  end

  describe '#allows_reviewers?' do
    it 'returns false as we do not support reviewers on issues yet' do
      issue = build_stubbed(:issue)

      expect(issue.allows_reviewers?).to be(false)
    end
  end

  describe '#issue_type_supports?' do
    let_it_be(:issue) { create(:issue) }

    it 'raises error when feature is invalid' do
      expect { issue.issue_type_supports?(:unkown_feature) }.to raise_error(ArgumentError)
    end
  end

  describe '#supports_time_tracking?' do
    let_it_be(:project) { create(:project) }
    let_it_be_with_refind(:issue) { create(:incident, project: project) }

    where(:issue_type, :supports_time_tracking) do
      :issue | true
      :incident | true
    end

    with_them do
      before do
        issue.update!(issue_type: issue_type)
      end

      it do
        expect(issue.supports_time_tracking?).to eq(supports_time_tracking)
      end
    end
  end

  describe '#supports_move_and_clone?' do
    let_it_be(:project) { create(:project) }
    let_it_be_with_refind(:issue) { create(:incident, project: project) }

    where(:issue_type, :supports_move_and_clone) do
      :issue | true
      :incident | true
    end

    with_them do
      before do
        issue.update!(issue_type: issue_type)
      end

      it do
        expect(issue.supports_move_and_clone?).to eq(supports_move_and_clone)
      end
    end
  end

  describe '#email_participants_emails' do
    let_it_be(:issue) { create(:issue) }

    it 'returns a list of emails' do
      participant1 = issue.issue_email_participants.create!(email: 'a@gitlab.com')
      participant2 = issue.issue_email_participants.create!(email: 'b@gitlab.com')

      expect(issue.email_participants_emails).to contain_exactly(participant1.email, participant2.email)
    end
  end

  describe '#email_participants_downcase' do
    it 'returns a list of emails with all uppercase letters replaced with their lowercase counterparts' do
      participant = create(:issue_email_participant, email: 'SomEoNe@ExamPLe.com')

      expect(participant.issue.email_participants_emails_downcase).to match([participant.email.downcase])
    end
  end

  describe '#escalation_status' do
    it 'returns the incident_management_issuable_escalation_status association' do
      escalation_status = create(:incident_management_issuable_escalation_status)
      issue = escalation_status.issue

      expect(issue.escalation_status).to eq(escalation_status)
    end
  end
end