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gsmolkgsmolk
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tests: added test_page_vacuum_truncate
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‎tests/page.py

Lines changed: 123 additions & 42 deletions
Original file line numberDiff line numberDiff line change
@@ -2,53 +2,117 @@
22
import unittest
33
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
44
from datetime import datetime, timedelta
5-
import subprocess, time
5+
import subprocess
6+
import time
67

78

89
module_name = 'page'
910

1011

1112
class PageBackupTest(ProbackupTest, unittest.TestCase):
1213

13-
# # @unittest.skip("skip")
14-
# # @unittest.expectedFailure
15-
# def test_page_check_archive_enabled(self):
16-
# """make node, take page backup without enabled archive, should result in error"""
17-
# self.maxDiff = None
18-
# fname = self.id().split('.')[3]
19-
# backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
20-
# node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
21-
# set_replication=True,
22-
# initdb_params=['--data-checksums'],
23-
# pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
24-
# )
25-
#
26-
# self.init_pb(backup_dir)
27-
# self.add_instance(backup_dir, 'node', node)
28-
# node.start()
29-
#
30-
# try:
31-
# self.backup_node(backup_dir, 'node', node, backup_type='page', options=['--stream'])
32-
# # we should die here because exception is what we expect to happen
33-
# self.assertEqual(1, 0, "Expecting Error because archive_mode disabled.\n Output: {0} \n CMD: {1}".format(
34-
# repr(self.output), self.cmd))
35-
# except ProbackupException as e:
36-
# self.assertIn('ERROR: Archiving must be enabled for PAGE backup\n', e.message,
37-
# '\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
38-
#
39-
# # Clean after yourself
40-
# self.del_test_dir(module_name, fname)
14+
# @unittest.skip("skip")
15+
def test_page_vacuum_truncate(self):
16+
"""make node, create table, take full backup,
17+
delete last 3 pages, vacuum relation,
18+
take page backup, take second page backup,
19+
restore last page backup and check data correctness"""
20+
fname = self.id().split('.')[3]
21+
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
22+
node = self.make_simple_node(
23+
base_dir="{0}/{1}/node".format(module_name, fname),
24+
set_replication=True,
25+
initdb_params=['--data-checksums'],
26+
pg_options={
27+
'wal_level': 'replica',
28+
'max_wal_senders': '2',
29+
'checkpoint_timeout': '300s'
30+
}
31+
)
32+
node_restored = self.make_simple_node(
33+
base_dir="{0}/{1}/node_restored".format(module_name, fname),
34+
)
35+
36+
self.init_pb(backup_dir)
37+
self.add_instance(backup_dir, 'node', node)
38+
self.set_archiving(backup_dir, 'node', node)
39+
node_restored.cleanup()
40+
node.start()
41+
self.create_tblspace_in_node(node, 'somedata')
42+
43+
node.safe_psql(
44+
"postgres",
45+
"create sequence t_seq; "
46+
"create table t_heap tablespace somedata as select i as id, "
47+
"md5(i::text) as text, "
48+
"md5(repeat(i::text,10))::tsvector as tsvector "
49+
"from generate_series(0,1024) i;"
50+
)
51+
node.safe_psql(
52+
"postgres",
53+
"vacuum t_heap"
54+
)
55+
56+
self.backup_node(backup_dir, 'node', node)
57+
58+
node.safe_psql(
59+
"postgres",
60+
"delete from t_heap where ctid >= '(11,0)'"
61+
)
62+
node.safe_psql(
63+
"postgres",
64+
"vacuum t_heap"
65+
)
66+
67+
self.backup_node(
68+
backup_dir, 'node', node, backup_type='page',
69+
options=['--log-level-file=verbose']
70+
)
71+
72+
self.backup_node(
73+
backup_dir, 'node', node, backup_type='page',
74+
options=['--log-level-file=verbose']
75+
)
76+
77+
if self.paranoia:
78+
pgdata = self.pgdata_content(node.data_dir)
79+
80+
old_tablespace = self.get_tblspace_path(node, 'somedata')
81+
new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new')
82+
83+
self.restore_node(
84+
backup_dir, 'node', node_restored,
85+
options=["-j", "4", "-T", "{0}={1}".format(
86+
old_tablespace, new_tablespace)]
87+
)
88+
89+
# Physical comparison
90+
if self.paranoia:
91+
pgdata_restored = self.pgdata_content(node_restored.data_dir)
92+
self.compare_pgdata(pgdata, pgdata_restored)
93+
94+
node_restored.append_conf(
95+
"postgresql.auto.conf", "port = {0}".format(node_restored.port))
96+
node_restored.start()
97+
98+
# Clean after yourself
99+
# self.del_test_dir(module_name, fname)
41100

42101
# @unittest.skip("skip")
43102
def test_page_stream(self):
44103
"""make archive node, take full and page stream backups, restore them and check data correctness"""
45104
self.maxDiff = None
46105
fname = self.id().split('.')[3]
47106
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
48-
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
107+
node = self.make_simple_node(
108+
base_dir="{0}/{1}/node".format(module_name, fname),
49109
set_replication=True,
50110
initdb_params=['--data-checksums'],
51-
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
111+
pg_options={
112+
'wal_level': 'replica',
113+
'max_wal_senders': '2',
114+
'checkpoint_timeout': '30s',
115+
'ptrack_enable': 'on'}
52116
)
53117

54118
self.init_pb(backup_dir)
@@ -59,33 +123,50 @@ def test_page_stream(self):
59123
# FULL BACKUP
60124
node.safe_psql(
61125
"postgres",
62-
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
126+
"create table t_heap as select i as id, md5(i::text) as text, "
127+
"md5(i::text)::tsvector as tsvector "
128+
"from generate_series(0,100) i")
129+
63130
full_result = node.execute("postgres", "SELECT * FROM t_heap")
64-
full_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='full', options=['--stream'])
131+
full_backup_id = self.backup_node(
132+
backup_dir, 'node', node,
133+
backup_type='full', options=['--stream'])
65134

66-
#PAGE BACKUP
135+
# PAGE BACKUP
67136
node.safe_psql(
68137
"postgres",
69-
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
138+
"insert into t_heap select i as id, md5(i::text) as text, "
139+
"md5(i::text)::tsvector as tsvector "
140+
"from generate_series(100,200) i")
70141
page_result = node.execute("postgres", "SELECT * FROM t_heap")
71-
page_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page', options=['--stream'])
142+
page_backup_id = self.backup_node(
143+
backup_dir, 'node', node,
144+
backup_type='page', options=['--stream'])
72145

73146
# Drop Node
74147
node.cleanup()
75148

76149
# Check full backup
77-
self.assertIn("INFO: Restore of backup {0} completed.".format(full_backup_id),
78-
self.restore_node(backup_dir, 'node', node, backup_id=full_backup_id, options=["-j", "4"]),
79-
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
150+
self.assertIn(
151+
"INFO: Restore of backup {0} completed.".format(full_backup_id),
152+
self.restore_node(
153+
backup_dir, 'node', node,
154+
backup_id=full_backup_id, options=["-j", "4"]),
155+
'\n Unexpected Error Message: {0}\n'
156+
' CMD: {1}'.format(repr(self.output), self.cmd))
80157
node.start()
81158
full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
82159
self.assertEqual(full_result, full_result_new)
83160
node.cleanup()
84161

85162
# Check page backup
86-
self.assertIn("INFO: Restore of backup {0} completed.".format(page_backup_id),
87-
self.restore_node(backup_dir, 'node', node, backup_id=page_backup_id, options=["-j", "4"]),
88-
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
163+
self.assertIn(
164+
"INFO: Restore of backup {0} completed.".format(page_backup_id),
165+
self.restore_node(
166+
backup_dir, 'node', node,
167+
backup_id=page_backup_id, options=["-j", "4"]),
168+
'\n Unexpected Error Message: {0}\n'
169+
' CMD: {1}'.format(repr(self.output), self.cmd))
89170
node.start()
90171
page_result_new = node.execute("postgres", "SELECT * FROM t_heap")
91172
self.assertEqual(page_result, page_result_new)

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