forked from googleapis/python-spanner
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_system.py
2997 lines (2479 loc) · 109 KB
/
test_system.py
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
# Copyright 2016 Google LLC All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import collections
import datetime
import decimal
import math
import operator
import os
import struct
import threading
import time
import unittest
import uuid
import grpc
from google.rpc import code_pb2
from google.api_core import exceptions
from google.api_core.datetime_helpers import DatetimeWithNanoseconds
from google.cloud.spanner_v1 import param_types
from google.cloud.spanner_v1 import TypeCode
from google.cloud.spanner_v1 import Type
from google.cloud._helpers import UTC
from google.cloud.spanner_v1 import BurstyPool
from google.cloud.spanner_v1 import COMMIT_TIMESTAMP
from google.cloud.spanner_v1 import Client
from google.cloud.spanner_v1 import KeyRange
from google.cloud.spanner_v1 import KeySet
from google.cloud.spanner_v1.instance import Backup
from google.cloud.spanner_v1.instance import Instance
from test_utils.retry import RetryErrors
from test_utils.retry import RetryInstanceState
from test_utils.retry import RetryResult
from test_utils.system import unique_resource_id
from tests._fixtures import DDL_STATEMENTS
from tests._fixtures import EMULATOR_DDL_STATEMENTS
from tests._helpers import OpenTelemetryBase, HAS_OPENTELEMETRY_INSTALLED
CREATE_INSTANCE = os.getenv("GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE") is not None
USE_EMULATOR = os.getenv("SPANNER_EMULATOR_HOST") is not None
SKIP_BACKUP_TESTS = os.getenv("SKIP_BACKUP_TESTS") is not None
SPANNER_OPERATION_TIMEOUT_IN_SECONDS = int(
os.getenv("SPANNER_OPERATION_TIMEOUT_IN_SECONDS", 60)
)
if CREATE_INSTANCE:
INSTANCE_ID = "google-cloud" + unique_resource_id("-")
else:
INSTANCE_ID = os.environ.get(
"GOOGLE_CLOUD_TESTS_SPANNER_INSTANCE", "google-cloud-python-systest"
)
EXISTING_INSTANCES = []
COUNTERS_TABLE = "counters"
COUNTERS_COLUMNS = ("name", "value")
BASE_ATTRIBUTES = {
"db.type": "spanner",
"db.url": "spanner.googleapis.com",
"net.host.name": "spanner.googleapis.com",
}
_STATUS_CODE_TO_GRPC_STATUS_CODE = {
member.value[0]: member for member in grpc.StatusCode
}
class Config(object):
"""Run-time configuration to be modified at set-up.
This is a mutable stand-in to allow test set-up to modify
global state.
"""
CLIENT = None
INSTANCE_CONFIG = None
INSTANCE = None
def _has_all_ddl(database):
ddl_statements = EMULATOR_DDL_STATEMENTS if USE_EMULATOR else DDL_STATEMENTS
return len(database.ddl_statements) == len(ddl_statements)
def _list_instances():
return list(Config.CLIENT.list_instances())
def setUpModule():
if USE_EMULATOR:
from google.auth.credentials import AnonymousCredentials
emulator_project = os.getenv("GCLOUD_PROJECT", "emulator-test-project")
Config.CLIENT = Client(
project=emulator_project, credentials=AnonymousCredentials()
)
else:
Config.CLIENT = Client()
retry = RetryErrors(exceptions.ServiceUnavailable)
configs = list(retry(Config.CLIENT.list_instance_configs)())
instances = retry(_list_instances)()
EXISTING_INSTANCES[:] = instances
# Delete test instances that are older than an hour.
cutoff = int(time.time()) - 1 * 60 * 60
instance_pbs = Config.CLIENT.list_instances("labels.python-spanner-systests:true")
for instance_pb in instance_pbs:
instance = Instance.from_pb(instance_pb, Config.CLIENT)
if "created" not in instance.labels:
continue
create_time = int(instance.labels["created"])
if create_time > cutoff:
continue
# Instance cannot be deleted while backups exist.
for backup_pb in instance.list_backups():
backup = Backup.from_pb(backup_pb, instance)
backup.delete()
instance.delete()
if CREATE_INSTANCE:
if not USE_EMULATOR:
# Defend against back-end returning configs for regions we aren't
# actually allowed to use.
configs = [config for config in configs if "-us-" in config.name]
if not configs:
raise ValueError("List instance configs failed in module set up.")
Config.INSTANCE_CONFIG = configs[0]
config_name = configs[0].name
create_time = str(int(time.time()))
labels = {"python-spanner-systests": "true", "created": create_time}
Config.INSTANCE = Config.CLIENT.instance(
INSTANCE_ID, config_name, labels=labels
)
created_op = Config.INSTANCE.create()
created_op.result(
SPANNER_OPERATION_TIMEOUT_IN_SECONDS
) # block until completion
else:
Config.INSTANCE = Config.CLIENT.instance(INSTANCE_ID)
Config.INSTANCE.reload()
def tearDownModule():
if CREATE_INSTANCE:
Config.INSTANCE.delete()
class TestInstanceAdminAPI(unittest.TestCase):
def setUp(self):
self.instances_to_delete = []
def tearDown(self):
for instance in self.instances_to_delete:
instance.delete()
@unittest.skipIf(
CREATE_INSTANCE, "This test fails when system tests are run in parallel."
)
def test_list_instances(self):
instances = list(Config.CLIENT.list_instances())
# We have added one new instance in `setUpModule`.
if CREATE_INSTANCE:
self.assertEqual(len(instances), len(EXISTING_INSTANCES) + 1)
for instance in instances:
instance_existence = (
instance in EXISTING_INSTANCES or instance == Config.INSTANCE
)
self.assertTrue(instance_existence)
def test_reload_instance(self):
# Use same arguments as Config.INSTANCE (created in `setUpModule`)
# so we can use reload() on a fresh instance.
instance = Config.CLIENT.instance(INSTANCE_ID)
# Make sure metadata unset before reloading.
instance.display_name = None
def _expected_display_name(instance):
return instance.display_name == Config.INSTANCE.display_name
retry = RetryInstanceState(_expected_display_name)
retry(instance.reload)()
self.assertEqual(instance.display_name, Config.INSTANCE.display_name)
@unittest.skipUnless(CREATE_INSTANCE, "Skipping instance creation")
def test_create_instance(self):
ALT_INSTANCE_ID = "new" + unique_resource_id("-")
instance = Config.CLIENT.instance(ALT_INSTANCE_ID, Config.INSTANCE_CONFIG.name)
operation = instance.create()
# Make sure this instance gets deleted after the test case.
self.instances_to_delete.append(instance)
# We want to make sure the operation completes.
operation.result(
SPANNER_OPERATION_TIMEOUT_IN_SECONDS
) # raises on failure / timeout.
# Create a new instance instance and make sure it is the same.
instance_alt = Config.CLIENT.instance(
ALT_INSTANCE_ID, Config.INSTANCE_CONFIG.name
)
instance_alt.reload()
self.assertEqual(instance, instance_alt)
self.assertEqual(instance.display_name, instance_alt.display_name)
@unittest.skipIf(USE_EMULATOR, "Skipping updating instance")
def test_update_instance(self):
OLD_DISPLAY_NAME = Config.INSTANCE.display_name
NEW_DISPLAY_NAME = "Foo Bar Baz"
Config.INSTANCE.display_name = NEW_DISPLAY_NAME
operation = Config.INSTANCE.update()
# We want to make sure the operation completes.
operation.result(
SPANNER_OPERATION_TIMEOUT_IN_SECONDS
) # raises on failure / timeout.
# Create a new instance instance and reload it.
instance_alt = Config.CLIENT.instance(INSTANCE_ID, None)
self.assertNotEqual(instance_alt.display_name, NEW_DISPLAY_NAME)
instance_alt.reload()
self.assertEqual(instance_alt.display_name, NEW_DISPLAY_NAME)
# Make sure to put the instance back the way it was for the
# other test cases.
Config.INSTANCE.display_name = OLD_DISPLAY_NAME
Config.INSTANCE.update()
class _TestData(object):
TABLE = "contacts"
COLUMNS = ("contact_id", "first_name", "last_name", "email")
ROW_DATA = (
(1, u"Phred", u"Phlyntstone", u"phred@example.com"),
(2, u"Bharney", u"Rhubble", u"bharney@example.com"),
(3, u"Wylma", u"Phlyntstone", u"wylma@example.com"),
)
ALL = KeySet(all_=True)
SQL = "SELECT * FROM contacts ORDER BY contact_id"
_recurse_into_lists = True
def _assert_timestamp(self, value, nano_value):
self.assertIsInstance(value, datetime.datetime)
self.assertIsNone(value.tzinfo)
self.assertIs(nano_value.tzinfo, UTC)
self.assertEqual(value.year, nano_value.year)
self.assertEqual(value.month, nano_value.month)
self.assertEqual(value.day, nano_value.day)
self.assertEqual(value.hour, nano_value.hour)
self.assertEqual(value.minute, nano_value.minute)
self.assertEqual(value.second, nano_value.second)
self.assertEqual(value.microsecond, nano_value.microsecond)
if isinstance(value, DatetimeWithNanoseconds):
self.assertEqual(value.nanosecond, nano_value.nanosecond)
else:
self.assertEqual(value.microsecond * 1000, nano_value.nanosecond)
def _check_rows_data(self, rows_data, expected=None):
if expected is None:
expected = self.ROW_DATA
self.assertEqual(len(rows_data), len(expected))
for row, expected in zip(rows_data, expected):
self._check_row_data(row, expected)
def _check_row_data(self, row_data, expected):
self.assertEqual(len(row_data), len(expected))
for found_cell, expected_cell in zip(row_data, expected):
self._check_cell_data(found_cell, expected_cell)
def _check_cell_data(self, found_cell, expected_cell):
if isinstance(found_cell, DatetimeWithNanoseconds):
self._assert_timestamp(expected_cell, found_cell)
elif isinstance(found_cell, float) and math.isnan(found_cell):
self.assertTrue(math.isnan(expected_cell))
elif isinstance(found_cell, list) and self._recurse_into_lists:
self.assertEqual(len(found_cell), len(expected_cell))
for found_item, expected_item in zip(found_cell, expected_cell):
self._check_cell_data(found_item, expected_item)
else:
self.assertEqual(found_cell, expected_cell)
class TestDatabaseAPI(unittest.TestCase, _TestData):
DATABASE_NAME = "test_database" + unique_resource_id("_")
@classmethod
def setUpClass(cls):
pool = BurstyPool(labels={"testcase": "database_api"})
ddl_statements = EMULATOR_DDL_STATEMENTS if USE_EMULATOR else DDL_STATEMENTS
cls._db = Config.INSTANCE.database(
cls.DATABASE_NAME, ddl_statements=ddl_statements, pool=pool
)
operation = cls._db.create()
operation.result(
SPANNER_OPERATION_TIMEOUT_IN_SECONDS
) # raises on failure / timeout.
@classmethod
def tearDownClass(cls):
cls._db.drop()
def setUp(self):
self.to_delete = []
def tearDown(self):
for doomed in self.to_delete:
doomed.drop()
def test_list_databases(self):
# Since `Config.INSTANCE` is newly created in `setUpModule`, the
# database created in `setUpClass` here will be the only one.
database_names = [
database.name for database in Config.INSTANCE.list_databases()
]
self.assertTrue(self._db.name in database_names)
def test_create_database(self):
pool = BurstyPool(labels={"testcase": "create_database"})
temp_db_id = "temp_db" + unique_resource_id("_")
temp_db = Config.INSTANCE.database(temp_db_id, pool=pool)
operation = temp_db.create()
self.to_delete.append(temp_db)
# We want to make sure the operation completes.
operation.result(
SPANNER_OPERATION_TIMEOUT_IN_SECONDS
) # raises on failure / timeout.
database_ids = [database.name for database in Config.INSTANCE.list_databases()]
self.assertIn(temp_db.name, database_ids)
@unittest.skipIf(
USE_EMULATOR, "PITR-lite features are not supported by the emulator"
)
def test_create_database_pitr_invalid_retention_period(self):
pool = BurstyPool(labels={"testcase": "create_database_pitr"})
temp_db_id = "temp_db" + unique_resource_id("_")
retention_period = "0d"
ddl_statements = [
"ALTER DATABASE {}"
" SET OPTIONS (version_retention_period = '{}')".format(
temp_db_id, retention_period
)
]
temp_db = Config.INSTANCE.database(
temp_db_id, pool=pool, ddl_statements=ddl_statements
)
with self.assertRaises(exceptions.InvalidArgument):
temp_db.create()
@unittest.skipIf(
USE_EMULATOR, "PITR-lite features are not supported by the emulator"
)
def test_create_database_pitr_success(self):
pool = BurstyPool(labels={"testcase": "create_database_pitr"})
temp_db_id = "temp_db" + unique_resource_id("_")
retention_period = "7d"
ddl_statements = [
"ALTER DATABASE {}"
" SET OPTIONS (version_retention_period = '{}')".format(
temp_db_id, retention_period
)
]
temp_db = Config.INSTANCE.database(
temp_db_id, pool=pool, ddl_statements=ddl_statements
)
operation = temp_db.create()
self.to_delete.append(temp_db)
# We want to make sure the operation completes.
operation.result(30) # raises on failure / timeout.
database_ids = [database.name for database in Config.INSTANCE.list_databases()]
self.assertIn(temp_db.name, database_ids)
temp_db.reload()
self.assertEqual(temp_db.version_retention_period, retention_period)
with temp_db.snapshot() as snapshot:
results = snapshot.execute_sql(
"SELECT OPTION_VALUE AS version_retention_period "
"FROM INFORMATION_SCHEMA.DATABASE_OPTIONS "
"WHERE SCHEMA_NAME = '' AND OPTION_NAME = 'version_retention_period'"
)
for result in results:
self.assertEqual(result[0], retention_period)
def test_table_not_found(self):
temp_db_id = "temp_db" + unique_resource_id("_")
correct_table = "MyTable"
incorrect_table = "NotMyTable"
self.assertNotEqual(correct_table, incorrect_table)
create_table = (
"CREATE TABLE {} (\n"
" Id STRING(36) NOT NULL,\n"
" Field1 STRING(36) NOT NULL\n"
") PRIMARY KEY (Id)"
).format(correct_table)
index = "CREATE INDEX IDX ON {} (Field1)".format(incorrect_table)
temp_db = Config.INSTANCE.database(
temp_db_id, ddl_statements=[create_table, index]
)
self.to_delete.append(temp_db)
with self.assertRaises(exceptions.NotFound):
temp_db.create()
@unittest.skip(
(
"update_dataset_ddl() has a flaky timeout"
"https://github.com/GoogleCloudPlatform/google-cloud-python/issues/"
"5629"
)
)
def test_update_database_ddl_with_operation_id(self):
pool = BurstyPool(labels={"testcase": "update_database_ddl"})
temp_db_id = "temp_db" + unique_resource_id("_")
temp_db = Config.INSTANCE.database(temp_db_id, pool=pool)
create_op = temp_db.create()
self.to_delete.append(temp_db)
ddl_statements = EMULATOR_DDL_STATEMENTS if USE_EMULATOR else DDL_STATEMENTS
# We want to make sure the operation completes.
create_op.result(240) # raises on failure / timeout.
# random but shortish always start with letter
operation_id = "a" + str(uuid.uuid4())[:8]
operation = temp_db.update_ddl(ddl_statements, operation_id=operation_id)
self.assertEqual(operation_id, operation.operation.name.split("/")[-1])
# We want to make sure the operation completes.
operation.result(240) # raises on failure / timeout.
temp_db.reload()
self.assertEqual(len(temp_db.ddl_statements), len(ddl_statements))
@unittest.skipIf(
USE_EMULATOR, "PITR-lite features are not supported by the emulator"
)
def test_update_database_ddl_pitr_invalid(self):
pool = BurstyPool(labels={"testcase": "update_database_ddl_pitr"})
temp_db_id = "temp_db" + unique_resource_id("_")
retention_period = "0d"
temp_db = Config.INSTANCE.database(temp_db_id, pool=pool)
create_op = temp_db.create()
self.to_delete.append(temp_db)
# We want to make sure the operation completes.
create_op.result(240) # raises on failure / timeout.
self.assertIsNone(temp_db.version_retention_period)
ddl_statements = DDL_STATEMENTS + [
"ALTER DATABASE {}"
" SET OPTIONS (version_retention_period = '{}')".format(
temp_db_id, retention_period
)
]
with self.assertRaises(exceptions.InvalidArgument):
temp_db.update_ddl(ddl_statements)
@unittest.skipIf(
USE_EMULATOR, "PITR-lite features are not supported by the emulator"
)
def test_update_database_ddl_pitr_success(self):
pool = BurstyPool(labels={"testcase": "update_database_ddl_pitr"})
temp_db_id = "temp_db" + unique_resource_id("_")
retention_period = "7d"
temp_db = Config.INSTANCE.database(temp_db_id, pool=pool)
create_op = temp_db.create()
self.to_delete.append(temp_db)
# We want to make sure the operation completes.
create_op.result(240) # raises on failure / timeout.
self.assertIsNone(temp_db.version_retention_period)
ddl_statements = DDL_STATEMENTS + [
"ALTER DATABASE {}"
" SET OPTIONS (version_retention_period = '{}')".format(
temp_db_id, retention_period
)
]
operation = temp_db.update_ddl(ddl_statements)
# We want to make sure the operation completes.
operation.result(240) # raises on failure / timeout.
temp_db.reload()
self.assertEqual(temp_db.version_retention_period, retention_period)
self.assertEqual(len(temp_db.ddl_statements), len(ddl_statements))
def test_db_batch_insert_then_db_snapshot_read(self):
retry = RetryInstanceState(_has_all_ddl)
retry(self._db.reload)()
with self._db.batch() as batch:
batch.delete(self.TABLE, self.ALL)
batch.insert(self.TABLE, self.COLUMNS, self.ROW_DATA)
with self._db.snapshot(read_timestamp=batch.committed) as snapshot:
from_snap = list(snapshot.read(self.TABLE, self.COLUMNS, self.ALL))
self._check_rows_data(from_snap)
def test_db_run_in_transaction_then_snapshot_execute_sql(self):
retry = RetryInstanceState(_has_all_ddl)
retry(self._db.reload)()
with self._db.batch() as batch:
batch.delete(self.TABLE, self.ALL)
def _unit_of_work(transaction, test):
rows = list(transaction.read(test.TABLE, test.COLUMNS, self.ALL))
test.assertEqual(rows, [])
transaction.insert_or_update(test.TABLE, test.COLUMNS, test.ROW_DATA)
self._db.run_in_transaction(_unit_of_work, test=self)
with self._db.snapshot() as after:
rows = list(after.execute_sql(self.SQL))
self._check_rows_data(rows)
def test_db_run_in_transaction_twice(self):
retry = RetryInstanceState(_has_all_ddl)
retry(self._db.reload)()
with self._db.batch() as batch:
batch.delete(self.TABLE, self.ALL)
def _unit_of_work(transaction, test):
transaction.insert_or_update(test.TABLE, test.COLUMNS, test.ROW_DATA)
self._db.run_in_transaction(_unit_of_work, test=self)
self._db.run_in_transaction(_unit_of_work, test=self)
with self._db.snapshot() as after:
rows = list(after.execute_sql(self.SQL))
self._check_rows_data(rows)
def test_db_run_in_transaction_twice_4181(self):
retry = RetryInstanceState(_has_all_ddl)
retry(self._db.reload)()
with self._db.batch() as batch:
batch.delete(COUNTERS_TABLE, self.ALL)
def _unit_of_work(transaction, name):
transaction.insert(COUNTERS_TABLE, COUNTERS_COLUMNS, [[name, 0]])
self._db.run_in_transaction(_unit_of_work, name="id_1")
with self.assertRaises(exceptions.AlreadyExists):
self._db.run_in_transaction(_unit_of_work, name="id_1")
self._db.run_in_transaction(_unit_of_work, name="id_2")
with self._db.snapshot() as after:
rows = list(after.read(COUNTERS_TABLE, COUNTERS_COLUMNS, self.ALL))
self.assertEqual(len(rows), 2)
@unittest.skipIf(USE_EMULATOR, "Skipping backup tests")
@unittest.skipIf(SKIP_BACKUP_TESTS, "Skipping backup tests")
class TestBackupAPI(unittest.TestCase, _TestData):
DATABASE_NAME = "test_database" + unique_resource_id("_")
DATABASE_NAME_2 = "test_database2" + unique_resource_id("_")
@classmethod
def setUpClass(cls):
from datetime import datetime
pool = BurstyPool(labels={"testcase": "database_api"})
ddl_statements = EMULATOR_DDL_STATEMENTS if USE_EMULATOR else DDL_STATEMENTS
db1 = Config.INSTANCE.database(
cls.DATABASE_NAME, ddl_statements=ddl_statements, pool=pool
)
db2 = Config.INSTANCE.database(cls.DATABASE_NAME_2, pool=pool)
cls._db = db1
cls._dbs = [db1, db2]
op1 = db1.create()
op2 = db2.create()
op1.result(SPANNER_OPERATION_TIMEOUT_IN_SECONDS) # raises on failure / timeout.
op2.result(SPANNER_OPERATION_TIMEOUT_IN_SECONDS) # raises on failure / timeout.
cls.database_version_time = datetime.utcnow().replace(tzinfo=UTC)
current_config = Config.INSTANCE.configuration_name
same_config_instance_id = "same-config" + unique_resource_id("-")
create_time = str(int(time.time()))
labels = {"python-spanner-systests": "true", "created": create_time}
cls._same_config_instance = Config.CLIENT.instance(
same_config_instance_id, current_config, labels=labels
)
op = cls._same_config_instance.create()
op.result(SPANNER_OPERATION_TIMEOUT_IN_SECONDS)
cls._instances = [cls._same_config_instance]
retry = RetryErrors(exceptions.ServiceUnavailable)
configs = list(retry(Config.CLIENT.list_instance_configs)())
diff_configs = [
config.name
for config in configs
if "-us-" in config.name and config.name is not current_config
]
cls._diff_config_instance = None
if len(diff_configs) > 0:
diff_config_instance_id = "diff-config" + unique_resource_id("-")
create_time = str(int(time.time()))
labels = {"python-spanner-systests": "true", "created": create_time}
cls._diff_config_instance = Config.CLIENT.instance(
diff_config_instance_id, diff_configs[0], labels=labels
)
op = cls._diff_config_instance.create()
op.result(SPANNER_OPERATION_TIMEOUT_IN_SECONDS)
cls._instances.append(cls._diff_config_instance)
@classmethod
def tearDownClass(cls):
for db in cls._dbs:
db.drop()
for instance in cls._instances:
instance.delete()
def setUp(self):
self.to_delete = []
self.to_drop = []
def tearDown(self):
for doomed in self.to_delete:
doomed.delete()
for doomed in self.to_drop:
doomed.drop()
def test_create_invalid(self):
from datetime import datetime
from pytz import UTC
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow()
expire_time = expire_time.replace(tzinfo=UTC)
backup = Config.INSTANCE.backup(
backup_id, database=self._db, expire_time=expire_time
)
with self.assertRaises(exceptions.InvalidArgument):
op = backup.create()
op.result()
def test_backup_workflow(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
instance = Config.INSTANCE
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
# Create backup.
backup = instance.backup(
backup_id,
database=self._db,
expire_time=expire_time,
version_time=self.database_version_time,
)
operation = backup.create()
self.to_delete.append(backup)
# Check metadata.
metadata = operation.metadata
self.assertEqual(backup.name, metadata.name)
self.assertEqual(self._db.name, metadata.database)
operation.result()
# Check backup object.
backup.reload()
self.assertEqual(self._db.name, backup._database)
self.assertEqual(expire_time, backup.expire_time)
self.assertIsNotNone(backup.create_time)
self.assertEqual(self.database_version_time, backup.version_time)
self.assertIsNotNone(backup.size_bytes)
self.assertIsNotNone(backup.state)
# Update with valid argument.
valid_expire_time = datetime.utcnow() + timedelta(days=7)
valid_expire_time = valid_expire_time.replace(tzinfo=UTC)
backup.update_expire_time(valid_expire_time)
self.assertEqual(valid_expire_time, backup.expire_time)
# Restore database to same instance.
restored_id = "restored_db" + unique_resource_id("_")
database = instance.database(restored_id)
self.to_drop.append(database)
operation = database.restore(source=backup)
restored_db = operation.result()
self.assertEqual(
self.database_version_time, restored_db.restore_info.backup_info.create_time
)
metadata = operation.metadata
self.assertEqual(self.database_version_time, metadata.backup_info.version_time)
database.drop()
backup.delete()
self.assertFalse(backup.exists())
def test_backup_version_time_defaults_to_create_time(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
instance = Config.INSTANCE
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
# Create backup.
backup = instance.backup(backup_id, database=self._db, expire_time=expire_time,)
operation = backup.create()
self.to_delete.append(backup)
# Check metadata.
metadata = operation.metadata
self.assertEqual(backup.name, metadata.name)
self.assertEqual(self._db.name, metadata.database)
operation.result()
# Check backup object.
backup.reload()
self.assertEqual(self._db.name, backup._database)
self.assertIsNotNone(backup.create_time)
self.assertEqual(backup.create_time, backup.version_time)
backup.delete()
self.assertFalse(backup.exists())
def test_create_backup_invalid_version_time_past(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
version_time = datetime.utcnow() - timedelta(days=10)
version_time = version_time.replace(tzinfo=UTC)
backup = Config.INSTANCE.backup(
backup_id,
database=self._db,
expire_time=expire_time,
version_time=version_time,
)
with self.assertRaises(exceptions.InvalidArgument):
op = backup.create()
op.result()
def test_create_backup_invalid_version_time_future(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
version_time = datetime.utcnow() + timedelta(days=2)
version_time = version_time.replace(tzinfo=UTC)
backup = Config.INSTANCE.backup(
backup_id,
database=self._db,
expire_time=expire_time,
version_time=version_time,
)
with self.assertRaises(exceptions.InvalidArgument):
op = backup.create()
op.result()
def test_restore_to_diff_instance(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
backup_id = "backup_id" + unique_resource_id("_")
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
# Create backup.
backup = Config.INSTANCE.backup(
backup_id, database=self._db, expire_time=expire_time
)
op = backup.create()
self.to_delete.append(backup)
op.result()
# Restore database to different instance with same config.
restored_id = "restored_db" + unique_resource_id("_")
database = self._same_config_instance.database(restored_id)
self.to_drop.append(database)
operation = database.restore(source=backup)
operation.result()
database.drop()
backup.delete()
self.assertFalse(backup.exists())
def test_multi_create_cancel_update_error_restore_errors(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
backup_id_1 = "backup_id1" + unique_resource_id("_")
backup_id_2 = "backup_id2" + unique_resource_id("_")
instance = Config.INSTANCE
expire_time = datetime.utcnow() + timedelta(days=3)
expire_time = expire_time.replace(tzinfo=UTC)
backup1 = instance.backup(
backup_id_1, database=self._dbs[0], expire_time=expire_time
)
backup2 = instance.backup(
backup_id_2, database=self._dbs[1], expire_time=expire_time
)
# Create two backups.
op1 = backup1.create()
op2 = backup2.create()
self.to_delete.extend([backup1, backup2])
backup1.reload()
self.assertFalse(backup1.is_ready())
backup2.reload()
self.assertFalse(backup2.is_ready())
# Cancel a create operation.
op2.cancel()
self.assertTrue(op2.cancelled())
op1.result()
backup1.reload()
self.assertTrue(backup1.is_ready())
# Update expire time to invalid value.
invalid_expire_time = datetime.now() + timedelta(days=366)
invalid_expire_time = invalid_expire_time.replace(tzinfo=UTC)
with self.assertRaises(exceptions.InvalidArgument):
backup1.update_expire_time(invalid_expire_time)
# Restore to existing database.
with self.assertRaises(exceptions.AlreadyExists):
self._db.restore(source=backup1)
# Restore to instance with different config.
if self._diff_config_instance is not None:
return
new_db = self._diff_config_instance.database("diff_config")
op = new_db.create()
op.result(SPANNER_OPERATION_TIMEOUT_IN_SECONDS)
self.to_drop.append(new_db)
with self.assertRaises(exceptions.InvalidArgument):
new_db.restore(source=backup1)
def test_list_backups(self):
from datetime import datetime
from datetime import timedelta
from pytz import UTC
backup_id_1 = "backup_id1" + unique_resource_id("_")
backup_id_2 = "backup_id2" + unique_resource_id("_")
instance = Config.INSTANCE
expire_time_1 = datetime.utcnow() + timedelta(days=21)
expire_time_1 = expire_time_1.replace(tzinfo=UTC)
backup1 = Config.INSTANCE.backup(
backup_id_1,
database=self._dbs[0],
expire_time=expire_time_1,
version_time=self.database_version_time,
)
expire_time_2 = datetime.utcnow() + timedelta(days=1)
expire_time_2 = expire_time_2.replace(tzinfo=UTC)
backup2 = Config.INSTANCE.backup(
backup_id_2, database=self._dbs[1], expire_time=expire_time_2
)
# Create two backups.
op1 = backup1.create()
op1.result()
backup1.reload()
create_time_compare = datetime.utcnow().replace(tzinfo=UTC)
backup2.create()
self.to_delete.extend([backup1, backup2])
# List backups filtered by state.
filter_ = "state:CREATING"
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup2.name)
# List backups filtered by backup name.
filter_ = "name:{0}".format(backup_id_1)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup1.name)
# List backups filtered by database name.
filter_ = "database:{0}".format(self._dbs[0].name)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup1.name)
# List backups filtered by create time.
filter_ = 'create_time > "{0}"'.format(
create_time_compare.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup2.name)
# List backups filtered by version time.
filter_ = 'version_time > "{0}"'.format(
create_time_compare.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup2.name)
# List backups filtered by expire time.
filter_ = 'expire_time > "{0}"'.format(
expire_time_1.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup1.name)
# List backups filtered by size bytes.
filter_ = "size_bytes < {0}".format(backup1.size_bytes)
for backup in instance.list_backups(filter_=filter_):
self.assertEqual(backup.name, backup2.name)
# List backups using pagination.
count = 0
for page in instance.list_backups(page_size=1):
count += 1
self.assertEqual(count, 2)
SOME_DATE = datetime.date(2011, 1, 17)
SOME_TIME = datetime.datetime(1989, 1, 17, 17, 59, 12, 345612)
NANO_TIME = DatetimeWithNanoseconds(1995, 8, 31, nanosecond=987654321)
POS_INF = float("+inf")
NEG_INF = float("-inf")
(OTHER_NAN,) = struct.unpack("<d", b"\x01\x00\x01\x00\x00\x00\xf8\xff")
BYTES_1 = b"Ymlu"
BYTES_2 = b"Ym9vdHM="
NUMERIC_1 = decimal.Decimal("0.123456789")
NUMERIC_2 = decimal.Decimal("1234567890")
ALL_TYPES_TABLE = "all_types"
ALL_TYPES_COLUMNS = (
"pkey",
"int_value",
"int_array",
"bool_value",
"bool_array",
"bytes_value",
"bytes_array",
"date_value",
"date_array",
"float_value",