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mirror of https://github.com/postgrespro/pg_probackup.git synced 2024-12-11 11:41:33 +02:00
pg_probackup/tests/page.py
2017-07-12 17:28:28 +03:00

151 lines
6.8 KiB
Python

import os
import unittest
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
from datetime import datetime, timedelta
import subprocess
module_name = 'page'
class PageBackupTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_page_check_archive_enabled(self):
"""make node, take page backup without enabled archive, should result in error"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
try:
self.backup_node(backup_dir, 'node', node, backup_type='page', options=['--stream'])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because archive_mode disabled.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertEqual('ERROR: Archiving must be enabled for PAGE backup\n', e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_page_stream(self):
"""make archive node, take full and page stream backups, restore them and check data correctness"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"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")
full_result = node.execute("postgres", "SELECT * FROM t_heap")
full_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='full', options=['--stream'])
#PAGE BACKUP
node.safe_psql(
"postgres",
"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")
page_result = node.execute("postgres", "SELECT * FROM t_heap")
page_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page', options=['--stream'])
# Drop Node
node.cleanup()
# Check full backup
self.assertIn("INFO: Restore of backup {0} completed.".format(full_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=full_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
self.assertEqual(full_result, full_result_new)
node.cleanup()
# Check page backup
self.assertIn("INFO: Restore of backup {0} completed.".format(page_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=page_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
page_result_new = node.execute("postgres", "SELECT * FROM t_heap")
self.assertEqual(page_result, page_result_new)
node.cleanup()
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_page_archive(self):
"""make archive node, take full and page archive backups, restore them and check data correctness"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,1) i")
full_result = node.execute("postgres", "SELECT * FROM t_heap")
full_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='full')
#PAGE BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,2) i")
page_result = node.execute("postgres", "SELECT * FROM t_heap")
page_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
# Drop Node
node.cleanup()
# Restore and check full backup
self.assertIn("INFO: Restore of backup {0} completed.".format(full_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=full_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
self.assertEqual(full_result, full_result_new)
node.cleanup()
# Restore and check page backup
self.assertIn("INFO: Restore of backup {0} completed.".format(page_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=page_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
page_result_new = node.execute("postgres", "SELECT * FROM t_heap")
self.assertEqual(page_result, page_result_new)
node.cleanup()
# Clean after yourself
self.del_test_dir(module_name, fname)