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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 wttest
from wtscenario import make_scenarios
# test_metadata_cursor02.py
# Metadata cursor operations with invalid metadata
#
# Test metadata cursor semantics when the underlying metadata is invalid.
# This can happen after a crash, or if part of a table is dropped separate
# from dropping the whole table.
class test_metadata_cursor02(wttest.WiredTigerTestCase):
"""
Test metadata cursor operations with invalid metadata
"""
table_name1 = 'table:t1'
table_name2 = 'table:t2'
table_name3 = 'table:t3'
tables = [table_name1, table_name2, table_name3]
scenarios = make_scenarios([
('plain', {'metauri' : 'metadata:'}),
('create', {'metauri' : 'metadata:create'}),
], [
('drop_colgroup', {'drop' : 'colgroup'}),
('drop_file', {'drop' : 'file'}),
])
# Create tables
def create_tables(self):
# Reopen to make sure we can drop anything left over from the last run
self.reopen_conn()
for name in self.tables:
self.session.drop(name, 'force=true')
self.session.create(name, 'key_format=S,value_format=S')
# Forward iteration.
def test_missing(self):
for name in self.tables:
self.create_tables()
# Invalidate the table by dropping part of it
if self.drop == 'colgroup':
self.session.drop('colgroup:' + name[-2:])
else:
self.session.drop('file:' + name[-2:] + '.wt')
cursor = self.session.open_cursor(self.metauri)
is_create_cursor = self.metauri.endswith('create')
count = 0
for k, v in cursor:
self.pr('Found metadata entry: ' + k)
if k.startswith('table:'):
count += 1
cursor.close()
if is_create_cursor:
self.captureerr.checkAdditionalPattern(self, 'metadata information.*not found')
# Should include the metadata and the two valid tables
self.assertEqual(count, self.metauri.endswith('create') and 2 or 3)
if __name__ == '__main__':
wttest.run()
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