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#!/usr/bin/env python
#
# Public Domain 2016-2016 MongoDB, Inc.
# Public Domain 2008-2016 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_readonly01.py
# Readonly: Test readonly mode.
#
import fnmatch, os, shutil, time
from suite_subprocess import suite_subprocess
from wtscenario import multiply_scenarios, number_scenarios, prune_scenarios
import wttest
class test_readonly01(wttest.WiredTigerTestCase, suite_subprocess):
tablename = 'test_readonly01'
create = True
entries = 10000
#
# We want a list of directory writable or readonly.
#
basecfg_list = [
('basecfg', dict(basecfg='config_base=true,')),
('no_basecfg', dict(basecfg='config_base=false,')),
]
dir_list = [
('write', dict(dirchmod=False)),
('readonly', dict(dirchmod=True)),
]
log_list = [
('logging', dict(logcfg='log=(archive=false,enabled,file_max=100K),')),
('no_logging', dict(logcfg='log=(enabled=false),')),
]
types = [
('lsm', dict(tabletype='lsm', uri='lsm',
create_params = 'key_format=i,value_format=i')),
('file-row', dict(tabletype='row', uri='file',
create_params = 'key_format=i,value_format=i')),
('file-var', dict(tabletype='var', uri='file',
create_params = 'key_format=r,value_format=i')),
('file-fix', dict(tabletype='fix', uri='file',
create_params = 'key_format=r,value_format=8t')),
('table-row', dict(tabletype='row', uri='table',
create_params = 'key_format=i,value_format=i')),
('table-var', dict(tabletype='var', uri='table',
create_params = 'key_format=r,value_format=i')),
('table-fix', dict(tabletype='fix', uri='table',
create_params = 'key_format=r,value_format=8t')),
]
scenarios = multiply_scenarios('.',
basecfg_list, dir_list, log_list, types)
def conn_config(self, dir):
self.home = dir
params = \
'error_prefix="%s",' % self.shortid() + \
'%s' % self.logcfg + \
'%s' % self.basecfg
if self.create:
conn_params = 'create,' + params
else:
conn_params = 'readonly=true,' + params
return conn_params
def close_reopen(self):
''' Close the connection and reopen readonly'''
#
# close the original connection. If needed, chmod the
# database directory to readonly mode. Then reopen the
# connection with readonly.
#
self.close_conn()
if self.dirchmod:
os.chmod(self.home, 0555)
self.conn = self.setUpConnectionOpen(self.home)
self.session = self.setUpSessionOpen(self.conn)
def test_readonly(self):
# Here's the strategy:
# - Create a table.
# - Insert data into table.
# - Close connection.
# - Possibly chmod to readonly
# - Open connection readonly
# - Confirm we can read the data.
#
tablearg = self.uri + ':' + self.tablename
self.session.create(tablearg, self.create_params)
c = self.session.open_cursor(tablearg, None, None)
for i in range(self.entries):
c[i+1] = i % 255
# Close the connection. Reopen readonly
self.create = False
self.close_reopen()
c = self.session.open_cursor(tablearg, None, None)
i = 0
for key, value in c:
self.assertEqual(i+1, key)
self.assertEqual(i % 255, value)
i += 1
self.assertEqual(i, self.entries)
self.pr('Read %d entries' % i)
c.close()
self.create = True
# If we changed the directory to readonly, change it back so that
# the cleanup functions can remove it and set up for the next test.
if self.dirchmod:
os.chmod(self.home, 0777)
if __name__ == '__main__':
wttest.run()
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