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mirror of https://github.com/postgrespro/pg_probackup.git synced 2024-12-01 09:51:43 +02:00
pg_probackup/tests/ptrack_recovery.py
2017-05-25 12:54:06 +03:00

64 lines
2.4 KiB
Python

import unittest
from sys import exit
from testgres import get_new_node, stop_all
import os
from signal import SIGTERM
from .ptrack_helpers import ProbackupTest, idx_ptrack
from time import sleep
class SimpleTest(ProbackupTest, unittest.TestCase):
def __init__(self, *args, **kwargs):
super(SimpleTest, self).__init__(*args, **kwargs)
def teardown(self):
# clean_all()
stop_all()
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_ptrack_recovery(self):
fname = self.id().split(".")[3]
node = self.make_simple_node(base_dir="tmp_dirs/ptrack/{0}".format(fname),
set_replication=True,
initdb_params=['--data-checksums', '-A trust'],
pg_options={'ptrack_enable': 'on', 'wal_level': 'replica', 'max_wal_senders': '2'})
node.start()
self.create_tblspace_in_node(node, 'somedata')
# Create table
node.psql("postgres",
"create table t_heap tablespace somedata as select i as id, md5(i::text) as text,md5(repeat(i::text,10))::tsvector as tsvector from generate_series(0,256) i")
# Create indexes
for i in idx_ptrack:
if idx_ptrack[i]['type'] != 'heap':
node.psql("postgres", "create index {0} on {1} using {2}({3}) tablespace somedata".format(
i, idx_ptrack[i]['relation'], idx_ptrack[i]['type'], idx_ptrack[i]['column']))
# get size of heap and indexes. size calculated in pages
idx_ptrack[i]['size'] = int(self.get_fork_size(node, i))
# get path to heap and index files
idx_ptrack[i]['path'] = self.get_fork_path(node, i)
print 'Killing postmaster. Losing Ptrack changes'
node.pg_ctl('stop', {'-m': 'immediate', '-D': '{0}'.format(node.data_dir)})
if not node.status():
node.start()
else:
print "Die! Die! Why won't you die?... Why won't you die?"
exit(1)
for i in idx_ptrack:
# get ptrack for every idx
idx_ptrack[i]['ptrack'] = self.get_ptrack_bits_per_page_for_fork(
node, idx_ptrack[i]['path'], idx_ptrack[i]['size'])
# check that ptrack has correct bits after recovery
self.check_ptrack_recovery(idx_ptrack[i])
self.clean_pb(node)
node.stop()
if __name__ == '__main__':
unittest.main()