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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.
import wiredtiger, wttest
from wtdataset import SimpleDataSet, SimpleIndexDataSet
from wtdataset import SimpleLSMDataSet, ComplexDataSet, ComplexLSMDataSet
from wtscenario import make_scenarios
# test_prepare_cursor02.py
# WT_CURSOR navigation (next/prev) tests with prepared transactions
class test_prepare_cursor02(wttest.WiredTigerTestCase):
session_config = 'isolation=snapshot'
keyfmt = [
('row-store', dict(keyfmt='i', valfmt='S')),
('column-store', dict(keyfmt='r', valfmt='S')),
('fixed-length-column-store', dict(keyfmt='r', valfmt='8t')),
]
types = [
('table-simple', dict(uri='table', ds=SimpleDataSet)),
]
scenarios = make_scenarios(types, keyfmt)
# Test cursor navigate (next/prev) with prepared transactions.
def test_cursor_navigate_prepare_transaction(self):
# Build an object.
uri = self.uri + ':test_prepare_cursor02'
ds = self.ds(self, uri, 0, key_format=self.keyfmt, value_format=self.valfmt)
ds.populate()
session = self.session
cursor = session.open_cursor(uri, None)
session.begin_transaction()
cursor.set_key(ds.key(1))
cursor.set_value(ds.value(1))
cursor.insert()
session.prepare_transaction('prepare_timestamp=' + self.timestamp_str(100))
prep_session = self.conn.open_session(self.session_config)
prep_cursor = prep_session.open_cursor(uri, None)
# Check cursor navigate with insert in prepared transaction.
# Data set is empty
# Insert key 1 in prepared state.
prep_session.begin_transaction()
# Check next operation.
prep_cursor.set_key(ds.key(1))
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.search())
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.next())
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.next())
# Check prev operation.
prep_cursor.set_key(ds.key(1))
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.search())
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.prev())
self.assertRaisesException(wiredtiger.WiredTigerError, lambda: prep_cursor.prev())
prep_cursor.close()
prep_session.commit_transaction()
session.rollback_transaction()
if __name__ == '__main__':
wttest.run()
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