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#!/usr/bin/env python
#
# Public Domain 2014-present 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_assert05.py
# Timestamps: assert durable timestamp settings
#
from suite_subprocess import suite_subprocess
import wiredtiger, wttest
class test_assert05(wttest.WiredTigerTestCase, suite_subprocess):
base = 'assert05'
base_uri = 'file:' + base
session_config = 'isolation=snapshot'
uri_always = base_uri + '.always.wt'
uri_def = base_uri + '.def.wt'
uri_never = base_uri + '.never.wt'
uri_none = base_uri + '.none.wt'
cfg = 'key_format=S,value_format=S,'
cfg_always = 'verbose=(write_timestamp=true),write_timestamp_usage=always,assert=(write_timestamp=on)'
cfg_def = ''
cfg_never = 'write_timestamp_usage=never,assert=(write_timestamp=on)'
cfg_none = 'assert=(write_timestamp=off)'
count = 1
#
# Commit a k/v pair making sure that it detects an error if needed, when
# used with and without a durable timestamp.
#
def insert_check(self, uri, use_ts):
c = self.session.open_cursor(uri)
key = 'key' + str(self.count)
val = 'value' + str(self.count)
# Commit with a timestamp
self.session.begin_transaction()
c[key] = val
self.session.prepare_transaction(
'prepare_timestamp=' + self.timestamp_str(self.count))
self.session.timestamp_transaction(
'commit_timestamp=' + self.timestamp_str(self.count))
self.session.timestamp_transaction(
'durable_timestamp=' + self.timestamp_str(self.count))
# All settings other than never should commit successfully
if (use_ts != 'never'):
self.session.commit_transaction()
else:
'''
Commented out for now: the system panics if we fail after preparing a transaction.
msg = "/timestamp set on this transaction/"
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda:self.assertEquals(self.session.commit_transaction(),
0), msg)
'''
self.session.rollback_transaction()
c.close()
self.count += 1
# Commit without a timestamp
key = 'key' + str(self.count)
val = 'value' + str(self.count)
c = self.session.open_cursor(uri)
self.session.begin_transaction()
c[key] = val
if (use_ts == 'always'):
self.session.prepare_transaction(
'prepare_timestamp=' + self.timestamp_str(self.count))
self.session.timestamp_transaction(
'commit_timestamp=' + self.timestamp_str(self.count))
# All settings other than always should commit successfully
if (use_ts != 'always' and use_ts != 'never'):
self.session.commit_transaction()
else:
'''
Commented out for now: the system panics if we fail after preparing a transaction.
msg = "/durable_timestamp is required for a prepared/"
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda:self.assertEquals(self.session.commit_transaction(),
0), msg)
'''
self.session.rollback_transaction()
self.count += 1
c.close()
def test_durable_timestamp(self):
# Create a data item at a timestamp
self.session.create(self.uri_always, self.cfg + self.cfg_always)
self.session.create(self.uri_def, self.cfg + self.cfg_def)
self.session.create(self.uri_never, self.cfg + self.cfg_never)
self.session.create(self.uri_none, self.cfg + self.cfg_none)
# Check inserting into each table
self.insert_check(self.uri_always, 'always')
self.insert_check(self.uri_def, 'none')
self.insert_check(self.uri_never, 'never')
self.insert_check(self.uri_none, 'none')
if __name__ == '__main__':
wttest.run()
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