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#!/usr/bin/python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import zookeeper, zktestbase, unittest, threading
class DeletionTest(zktestbase.TestBase):
"""Test whether we can delete znodes"""
def test_sync_delete(self):
ZOO_OPEN_ACL_UNSAFE = {"perms":0x1f, "scheme":"world", "id" :"anyone"}
self.assertEqual(self.connected, True)
ret = zookeeper.create(self.handle, "/zk-python-deletetest", "nodecontents", [ZOO_OPEN_ACL_UNSAFE], zookeeper.EPHEMERAL)
self.assertEqual(ret, "/zk-python-deletetest")
ret = zookeeper.delete(self.handle,"/zk-python-deletetest")
self.assertEqual(ret, zookeeper.OK)
children = zookeeper.get_children(self.handle, "/")
self.assertEqual(False, "zk-python-deletetest" in children)
# test exception
self.assertRaises(zookeeper.NoNodeException,
zookeeper.delete,
self.handle,
"/zk-python-deletetest")
def test_async_delete(self):
ZOO_OPEN_ACL_UNSAFE = {"perms":0x1f, "scheme":"world", "id" :"anyone"}
self.assertEqual(self.connected, True)
ret = zookeeper.create(self.handle, "/zk-python-adeletetest", "nodecontents", [ZOO_OPEN_ACL_UNSAFE], zookeeper.EPHEMERAL)
self.assertEqual(ret, "/zk-python-adeletetest")
self.cv = threading.Condition()
self.callback_flag = False
self.rc = -1
def callback(handle, rc):
self.cv.acquire()
self.callback_flag = True
self.cv.notify()
self.rc = rc # don't assert this here, as if the assertion fails, the test will block
self.cv.release()
self.cv.acquire()
ret = zookeeper.adelete(self.handle,"/zk-python-adeletetest",-1,callback)
self.assertEqual(ret, zookeeper.OK, "adelete failed")
while not self.callback_flag:
self.cv.wait(15)
self.cv.release()
self.assertEqual(self.callback_flag, True, "adelete timed out")
self.assertEqual(self.rc, zookeeper.OK)
if __name__ == '__main__':
unittest.main()
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