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#!/usr/bin/env python
#
# Public Domain 2008-2012 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
# test_base04.py
# Test that tables are reconciled correctly when they are empty.
class test_base04(wttest.WiredTigerTestCase):
'''Test various tree types becoming empty'''
tablename = 'table:test_base04'
def __init__(self, *args, **kwargs):
wttest.WiredTigerTestCase.__init__(self, *args, **kwargs)
self.reconcile = False
def reopen(self):
self.conn.close()
self.conn = wiredtiger.wiredtiger_open('.', None)
self.session = self.conn.open_session()
def create_table(self):
self.pr('create table')
self.session.create(
self.tablename, 'key_format=S,value_format=S')
def drop_table(self):
self.pr('drop table')
self.session.drop(self.tablename, None)
def cursor(self):
self.pr('open cursor')
return self.session.open_cursor(self.tablename, None, None)
def check_exists(self, key, expected):
cursor = self.cursor()
cursor.set_key(key)
self.pr('search')
self.assertEqual(cursor.search(), expected)
self.pr('closing cursor')
cursor.close()
def insert(self, key, value):
self.pr('insert')
cursor = self.cursor()
cursor.set_key(key)
cursor.set_value(value)
cursor.insert()
cursor.close()
if self.reconcile:
self.reopen()
def remove(self, key):
self.pr('remove')
cursor = self.cursor()
cursor.set_key(key)
cursor.remove()
cursor.close()
if self.reconcile:
self.reopen()
def test_empty(self):
'''Create a table, look for a nonexistent key'''
self.create_table()
self.check_exists('somekey', wiredtiger.WT_NOTFOUND)
self.drop_table()
def test_insert(self):
'''Create a table, add a key, get it back'''
for self.reconcile in (False, True):
self.create_table()
self.insert('key1', 'value1')
self.check_exists('key1', 0)
self.drop_table()
def test_insert_delete(self):
'''Create a table, add a key, get it back'''
for reconcile in (False, True):
self.create_table()
self.insert('key1', 'value1')
self.check_exists('key1', 0)
self.remove('key1')
self.check_exists('key1', wiredtiger.WT_NOTFOUND)
self.drop_table()
if __name__ == '__main__':
wttest.run()
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