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#!/usr/bin/env python
#
# Public Domain 2014-2019 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# test_cursor08.py
# Log cursors with compression
#
import fnmatch, os, shutil, run, time
from suite_subprocess import suite_subprocess
from wiredtiger import stat, WiredTigerError
from wtscenario import make_scenarios
import wttest
class test_cursor08(wttest.WiredTigerTestCase, suite_subprocess):
logmax = "100K"
tablename = 'test_cursor08'
uri = 'table:' + tablename
nkeys = 500
reopens = [
('regular', dict(reopen=False)),
('reopen', dict(reopen=True))
]
compress = [
('nop', dict(compress='nop')),
('snappy', dict(compress='snappy')),
('zlib', dict(compress='zlib')),
('none', dict(compress='none')),
]
scenarios = make_scenarios(reopens, compress)
# Load the compression extension, and enable it for logging.
def conn_config(self):
return 'log=(archive=false,enabled,file_max=%s,' % self.logmax + \
'compressor=%s),' % self.compress + \
'transaction_sync="(method=dsync,enabled)"'
def conn_extensions(self, extlist):
extlist.skip_if_missing = True
extlist.extension('compressors', self.compress)
def test_log_cursor(self):
# print "Creating %s with config '%s'" % (self.uri, self.create_params)
create_params = 'key_format=i,value_format=S'
self.session.create(self.uri, create_params)
c = self.session.open_cursor(self.uri, None)
# A binary value.
value = '\u0001\u0002abcd\u0003\u0004'
self.session.begin_transaction()
for k in range(self.nkeys):
c[k] = value
self.session.commit_transaction()
c.close()
if self.reopen:
self.reopen_conn()
# Check for these values via a log cursor
c = self.session.open_cursor("log:", None)
count = 0
while c.next() == 0:
# lsn.file, lsn.offset, opcount
keys = c.get_key()
# txnid, rectype, optype, fileid, logrec_key, logrec_value
values = c.get_value()
# We are only looking for log records that that have a key/value
# pair.
if values[4] != b'':
if value.encode() in values[5]: # logrec_value
count += 1
c.close()
self.assertEqual(count, self.nkeys)
if __name__ == '__main__':
wttest.run()
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