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#!/usr/bin/env 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 time, string, traceback
from brokertest import *
from qpid.messaging import *
try:
import java.lang.System
_cp = java.lang.System.getProperty("java.class.path");
except ImportError:
_cp = checkenv("QP_CP")
# The base test case has support for launching the genric
# receiver and sender through the TestLauncher with all the options.
#
class JavaClientTest(BrokerTest):
"""Base Case for Java Test cases"""
client_class = "org.apache.qpid.testkit.TestLauncher"
# currently there is no transparent reconnection.
# temp hack: just creating the queue here and closing it.
def start_error_watcher(self,broker=None):
ssn = broker.connect().session()
err_watcher = ssn.receiver("control; {create:always}", capacity=1)
ssn.close()
def client(self,**options):
cmd = ["java","-cp",_cp]
cmd += ["-Dtest_name=" + options.get("test_name", "UNKNOWN")]
cmd += ["-Dhost=" + options.get("host","127.0.0.1")]
cmd += ["-Dport=" + str(options.get("port",5672))]
cmd += ["-Dcon_count=" + str(options.get("con_count",1))]
cmd += ["-Dssn_count=" + str(options.get("ssn_count",1))]
cmd += ["-Dqueue_name=" + options.get("queue_name","queue")]
cmd += ["-Dexchange_name=" + options.get("exchange_name","amq.direct")]
cmd += ["-Drouting_key=" + options.get("routing_key","routing_key")]
cmd += ["-Dunique_dests=" + str(options.get("unique_dests",True))]
cmd += ["-Ddurable=" + str(options.get("durable",False))]
cmd += ["-Dtransacted=" + str(options.get("transacted",False))]
cmd += ["-Dreceiver=" + str(options.get("receiver",False))]
cmd += ["-Dsync_rcv=" + str(options.get("sync_rcv",False))]
cmd += ["-Dsender=" + str(options.get("sender",False))]
cmd += ["-Dmsg_size=" + str(options.get("msg_size",256))]
cmd += ["-Dtx_size=" + str(options.get("tx_size",10))]
cmd += ["-Dmsg_count=" + str(options.get("msg_count",10))]
cmd += ["-Dsleep_time=" + str(options.get("sleep_time",1000))]
cmd += ["-Dfailover=" + options.get("failover", "failover_exchange")]
cmd += ["-Dreliability=" + options.get("reliability", "exactly_once")]
cmd += ["-Dlog.level=" + options.get("log.level", "warn")]
cmd += [self.client_class]
print str(options.get("port",5672))
return cmd
# currently there is no transparent reconnection.
# temp hack: just creating a receiver and closing session soon after.
def monitor_clients(self,broker=None,run_time=600,error_ck_freq=60):
ssn = broker.connect().session()
err_watcher = ssn.receiver("control; {create:always}", capacity=1)
i = run_time/error_ck_freq
for j in range(i):
try:
m = err_watcher.fetch(timeout=error_ck_freq)
print "Java process notified of an error"
print self.check_for_error(m)
except messaging.Empty, e:
pass # do nothing
ssn.close()
def check_for_error(self,msg):
raise Exception("Error:%s \nTime:%s\nTrace:%s\n" %
(msg.properties.get("desc"),
msg.properties.get("time"),
msg.properties.get("exception-trace")
))
def terminate_and_capture_logs(self,popen, process_name):
if popen.is_running():
popen.terminate()
log = os.path.join(self.dir, process_name+".out")
f = open(log, 'w')
f.write(popen.stdout.read())
f.close()
log = os.path.join(self.dir, process_name+".err")
f = open(log, 'w')
f.write(popen.stderr.read())
f.close()
def verify(self, receiver,sender):
sender_running = receiver.is_running()
receiver_running = sender.is_running()
self.terminate_and_capture_logs(receiver,"receiver")
self.terminate_and_capture_logs(sender,"sender")
self.assertTrue(receiver_running,"Receiver has exited prematually")
self.assertTrue(sender_running,"Sender has exited prematually")
class ConcurrencyTest(JavaClientTest):
"""A concurrency test suite for the JMS client"""
def test_multiplexing_con(self):
"""Tests multiple sessions on a single connection"""
cluster = Cluster(self, 2)
p = cluster[0].port()
self.start_error_watcher(broker=cluster[0])
receiver = self.popen(self.client(receiver=True,
ssn_count=25,
port=p,
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
sender = self.popen(self.client(sender=True,
ssn_count=25,
port=p,
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
self.monitor_clients(broker=cluster[0],run_time=60)
self.verify(receiver,sender)
def test_multiplexing_con_tx(self):
"""Tests multiple transacted sessions on a single connection"""
cluster = Cluster(self,2)
ssn = cluster[0].connect().session()
p = cluster[0].port()
self.start_error_watcher(broker=cluster[0])
receiver = self.popen(self.client(receiver=True,
ssn_count=25,
port=p,
transacted=True,
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
sender = self.popen(self.client(sender=True,
ssn_count=25,
port=p,
transacted=True,
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
self.monitor_clients(broker=cluster[0],run_time=60)
ssn.close();
self.verify(receiver,sender)
class SoakTest(JavaClientTest):
"""A soak test suite for the JMS client"""
def test_failover(self):
cluster = self.cluster(4, expect=EXPECT_EXIT_FAIL)
p = cluster[0].port()
self.start_error_watcher(broker=cluster[0])
receiver = self.popen(self.client(receiver=True,
ssn_count=1,
port=p,
reliability="at_least_once",
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
sender = self.popen(self.client(sender=True,
ssn_count=1,
port=p,
reliability="at_least_once",
test_name=self.id()),
expect=EXPECT_EXIT_FAIL)
# grace period for java clients to get the failover properly setup.
time.sleep(30)
error_msg=None
# Kill original brokers, start new ones.
try:
for i in range(4):
cluster[i].kill()
b=cluster.start()
self.monitor_clients(broker=b,run_time=30,error_ck_freq=30)
except ConnectError, e1:
error_msg = "Unable to connect to new cluster node : " + traceback.format_exc(e1)
except SessionError, e2:
error_msg = "Session error while connected to new cluster node : " + traceback.format_exc(e2)
# verify also captures out/err streams
self.verify(receiver,sender)
if error_msg:
raise Exception(error_msg)
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