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#!/usr/bin/env python
#
# Public Domain 2014-2016 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 glob
import os
import shutil
import string
from suite_subprocess import suite_subprocess
import wiredtiger, wttest
from wiredtiger import stat
from wtdataset import SimpleDataSet, ComplexDataSet, ComplexLSMDataSet
# test_backup06.py
# Test that opening a backup cursor does not open file handles.
class test_backup06(wttest.WiredTigerTestCase, suite_subprocess):
conn_config = 'statistics=(fast)'
# This will create several hundred tables.
num_table_sets = 10
pfx='test_backup'
# We try to do some schema operations. Have some well
# known names.
schema_uri = 'file:schema_test'
rename_uri = 'file:new_test'
trename_uri = 'table:new_test'
fobjs = [
( 'file:' + pfx + '.1', SimpleDataSet),
( 'file:' + pfx + '.2', SimpleDataSet),
]
tobjs = [
('table:' + pfx + '.3', SimpleDataSet),
('table:' + pfx + '.4', SimpleDataSet),
('table:' + pfx + '.5', ComplexDataSet),
('table:' + pfx + '.6', ComplexDataSet),
('table:' + pfx + '.7', ComplexLSMDataSet),
('table:' + pfx + '.8', ComplexLSMDataSet),
]
# Populate a set of objects.
def populate_many(self):
for t in range(0, self.num_table_sets):
for i in self.fobjs:
uri = i[0] + "." + str(t)
i[1](self, uri, 10).populate()
for i in self.tobjs:
uri = i[0] + "." + str(t)
i[1](self, uri, 10).populate()
def populate(self):
for i in self.fobjs:
i[1](self, i[0], 100).populate()
for i in self.tobjs:
i[1](self, i[0], 100).populate()
# Test that the open handle count does not change.
def test_cursor_open_handles(self):
self.populate_many()
# Close and reopen the connection so the populate dhandles are
# not in the list.
self.reopen_conn()
# Confirm that opening a backup cursor does not open
# file handles.
stat_cursor = self.session.open_cursor('statistics:', None, None)
dh_before = stat_cursor[stat.conn.dh_conn_handle_count][2]
stat_cursor.close()
cursor = self.session.open_cursor('backup:', None, None)
stat_cursor = self.session.open_cursor('statistics:', None, None)
dh_after = stat_cursor[stat.conn.dh_conn_handle_count][2]
stat_cursor.close()
if (dh_before != dh_after):
print "Dhandles open before backup open: " + str(dh_before)
print "Dhandles open after backup open: " + str(dh_after)
self.assertEqual(dh_after == dh_before, True)
cursor.close()
def test_cursor_schema_protect(self):
schema_uri = 'file:schema_test'
rename_uri = 'file:new_test'
trename_uri = 'table:new_test'
#
# Set up a number of tables. Close and reopen the connection so that
# we do not have open dhandles. Then we want to open a backup cursor
# testing both with and without the configuration setting.
# We want to confirm that we open data handles when using schema
# protection and we do not open the data handles when set to false.
# We also want to make sure we detect and get an error when set to
# false. When set to true the open handles protect against schema
# operations.
self.populate()
cursor = self.session.open_cursor('backup:', None, None)
# Check that we can create.
self.session.create(schema_uri, None)
for i in self.fobjs:
self.assertRaises(wiredtiger.WiredTigerError,
lambda: self.session.drop(i[0], None))
self.assertRaises(wiredtiger.WiredTigerError,
lambda: self.session.rename(i[0], rename_uri))
for i in self.tobjs:
self.assertRaises(wiredtiger.WiredTigerError,
lambda: self.session.drop(i[0], None))
self.assertRaises(wiredtiger.WiredTigerError,
lambda: self.session.rename(i[0], trename_uri))
cursor.close()
# Test cursor reset runs through the list twice.
def test_cursor_reset(self):
self.populate()
cursor = self.session.open_cursor('backup:', None, None)
i = 0
while True:
ret = cursor.next()
if ret != 0:
break
i += 1
self.assertEqual(ret, wiredtiger.WT_NOTFOUND)
total = i * 2
cursor.reset()
while True:
ret = cursor.next()
if ret != 0:
break
i += 1
self.assertEqual(ret, wiredtiger.WT_NOTFOUND)
self.assertEqual(i, total)
cursor.close()
if __name__ == '__main__':
wttest.run()
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