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# -*- coding: utf-8 -*-
#
# Copyright (c) ZeroC, Inc. All rights reserved.
#
#
# Make sure IceStorm and the subscriber use the same buffer size for
# sending/receiving datagrams. This ensures the test works with bogus
# OS configurations where the reicever buffer size is smaller than the
# send buffer size (causing the received messages to be
# truncated). See also bug #6070.
#
props = {
"IceStorm.Election.MasterTimeout" : 2,
"IceStorm.Election.ElectionTimeout" : 2,
"IceStorm.Election.ResponseTimeout" : 2
}
icestorm = [ IceStorm(replica=i, nreplicas=3, props = props) for i in range(0,3) ]
class IceStormRep1TestCase(IceStormTestCase):
def runClientSide(self, current):
def checkExpect(output, expect):
if not expect:
return
if type(expect) == str:
expect = [expect]
for e in expect:
if output.find(e) >= 0:
return
else:
raise RuntimeError("unexected output `{0}' (expected `{1}')".format(output, expect))
def adminForReplica(replica, cmd, expect):
checkExpect(self.runadmin(current, cmd, instance=self.icestorm[replica], quiet=True, exitstatus=1),
expect)
def stopReplica(num):
self.icestorm[num].shutdown(current)
self.icestorm[num].stop(current, True)
def startReplica(num):
self.icestorm[num].start(current)
def runtest(s="", p=""):
ClientServerTestCase(client=Publisher(args=p.split(" ")),
server=Subscriber(args=s.split(" "))).run(current)
def runsub2(replica=None, expect=None):
subscriber = Subscriber(exe="sub",
instance=None if replica is None else self.icestorm[replica],
args=["--id", "foo"],
readyCount=0,
quiet=True)
subscriber.run(current, exitstatus=1 if expect else 0)
checkExpect(subscriber.getOutput(current), expect)
def rununsub2(replica=None, expect=None):
sub = Subscriber(exe="sub",
instance=None if replica is None else self.icestorm[replica],
args=["--id", "foo"],
readyCount=0,
quiet=True)
if replica is None:
sub.run(current, args=["--unsub"])
# Else we first subscribe to this replica, then unsub. We
# shouldn't get an AlreadySubscribedException.
sub.run(current, exitstatus=1 if expect else 0)
if expect:
checkExpect(sub.getOutput(current), expect)
return
sub.run(current, args=["--unsub"])
current.write("testing topic creation across replicas... ")
self.runadmin(current, "create single")
for replica in range(0, 3):
adminForReplica(replica, "create single", "error: topic `single' exists")
current.writeln("ok")
current.write("testing topic destruction across replicas... ")
sys.stdout.flush()
self.runadmin(current, "destroy single")
for replica in range(0, 3):
adminForReplica(replica, "destroy single", "error: couldn't find topic `single'")
current.writeln("ok")
current.write("testing topic creation without replica... ")
stopReplica(0)
self.runadmin(current, "create single")
for replica in range(1, 3):
adminForReplica(replica, "create single", "error: topic `single' exists")
adminForReplica(0, "create single", ["ConnectionRefused", "ConnectFailed"])
startReplica(0)
adminForReplica(0, "create single", "error: topic `single' exists")
current.writeln("ok")
self.runadmin(current, "destroy single")
current.write("testing topic creation without master... ")
sys.stdout.flush()
stopReplica(2)
self.runadmin(current, "create single")
for replica in range(0, 2):
adminForReplica(replica, "create single", "error: topic `single' exists")
adminForReplica(2, "create single", ["ConnectionRefused", "ConnectFailed"])
startReplica(2)
adminForReplica(2, "create single", "error: topic `single' exists")
current.writeln("ok")
# All replicas are running
current.write("testing topic destruction without replica... ")
stopReplica(0)
self.runadmin(current, "destroy single")
for replica in range(1, 3):
adminForReplica(replica, "destroy single", "error: couldn't find topic `single'")
adminForReplica(0, "destroy single", ["ConnectionRefused", "ConnectFailed"])
startReplica(0)
adminForReplica(0, "destroy single", "error: couldn't find topic `single'")
current.writeln("ok")
current.write("testing topic destruction without master... ")
sys.stdout.flush()
self.runadmin(current, "create single")
stopReplica(2)
self.runadmin(current, "destroy single")
for replica in range(0, 2):
adminForReplica(replica, "destroy single", "error: couldn't find topic `single'")
adminForReplica(2, "destroy single", ["ConnectionRefused", "ConnectFailed"])
startReplica(2)
adminForReplica(2, "destroy single", "error: couldn't find topic `single'")
current.writeln("ok")
# Now test subscription/unsubscription on all replicas.
self.runadmin(current, "create single")
current.write("testing subscription across replicas... ")
sys.stdout.flush()
runsub2()
for replica in range(0, 3):
runsub2(replica, "IceStorm::AlreadySubscribed")
current.writeln("ok")
current.write("testing unsubscription across replicas... ")
sys.stdout.flush()
rununsub2()
for replica in range(0, 3):
rununsub2(replica)
current.writeln("ok")
current.write("testing subscription without master... ")
sys.stdout.flush()
stopReplica(2)
runsub2()
for replica in range(0, 2):
runsub2(replica, "IceStorm::AlreadySubscribed")
runsub2(2, ["ConnectionRefused", "ConnectFailed"])
startReplica(2)
runsub2(2, "IceStorm::AlreadySubscribed")
current.writeln("ok")
current.write("testing unsubscription without master... ")
sys.stdout.flush()
stopReplica(2)
rununsub2()
for replica in range(0, 2):
rununsub2(replica)
rununsub2(2, ["ConnectionRefused", "ConnectFailed"])
startReplica(2)
rununsub2(2)
current.writeln("ok")
current.write("testing subscription without replica... ")
sys.stdout.flush()
stopReplica(0)
runsub2()
for replica in range(1, 3):
runsub2(replica, "IceStorm::AlreadySubscribed")
runsub2(0, ["ConnectionRefused", "ConnectFailed"])
startReplica(0)
runsub2(0, "IceStorm::AlreadySubscribed")
current.writeln("ok")
current.write("testing unsubscription without replica... ")
stopReplica(0)
rununsub2()
for replica in range(1, 3):
rununsub2(replica)
rununsub2(0, ["ConnectionRefused", "ConnectFailed"])
startReplica(0)
rununsub2(0)
current.writeln("ok")
# All replicas are running
current.write("running twoway subscription test... ")
runtest("--twoway")
current.writeln("ok")
current.write("running ordered subscription test... ")
runtest("--ordered")
current.writeln("ok")
stopReplica(2)
current.write("running twoway, ordered subscription test without master... ")
runtest("--twoway")
runtest("--ordered")
current.writeln("ok")
startReplica(2)
stopReplica(0)
current.write("running twoway, ordered subscription test without replica... ")
runtest("--twoway")
runtest("--ordered")
current.writeln("ok")
startReplica(0)
current.write("running cycle publishing test... ")
sys.stdout.flush()
runtest("--twoway", "--cycle")
current.writeln("ok")
current.write("stopping replicas... ")
sys.stdout.flush()
self.stopIceStorm(current)
current.writeln("ok")
TestSuite(__file__, [ IceStormRep1TestCase("replicated", icestorm=icestorm) ], multihost=False)
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