blob: 8f56991eb110e33e5819071cbb1c5f9124869af0 [file] [log] [blame] [edit]
#!/usr/bin/python
__author__ = """Ashwin Ganti (aganti@google.com)"""
import os, sys, socket, errno, unittest, threading
from time import time, sleep
import common
from autotest_lib.client.common_lib import error, barrier, base_barrier
from autotest_lib.client.common_lib.test_utils import mock
class listen_server_test(unittest.TestCase):
def test_init(self):
server = barrier.listen_server()
server.close()
def test_close(self):
server = barrier.listen_server()
# cannot bind on the same port again
self.assertRaises(socket.error, barrier.listen_server)
server.close()
# now we can
server = barrier.listen_server()
server.close()
class barrier_test(unittest.TestCase):
def setUp(self):
self.god = mock.mock_god()
self.god.mock_io()
def tearDown(self):
self.god.unmock_io()
def test_initialize(self):
b = barrier.barrier('127.0.0.1#', 'testtag', 100, 11921)
self.assertEqual(b._hostid, '127.0.0.1#')
self.assertEqual(b._tag, 'testtag')
self.assertEqual(b._timeout_secs, 100)
self.assertEqual(b._port, 11921)
def test__get_host_from_id(self):
hostname = base_barrier._get_host_from_id('my_host')
self.assertEqual(hostname, 'my_host')
hostname = base_barrier._get_host_from_id('my_host#')
self.assertEqual(hostname, 'my_host')
self.assertRaises(error.BarrierError,
base_barrier._get_host_from_id, '#my_host')
def test_update_timeout(self):
b = barrier.barrier('127.0.0.1#', 'update', 100)
b._update_timeout(120)
self.assertEqual(b._timeout_secs, 120)
def test_remaining(self):
b = barrier.barrier('127.0.0.1#', 'remain', 100)
remain = b._remaining()
self.assertEqual(remain, 100)
def test_master_welcome_garbage(self):
b = barrier.barrier('127.0.0.1#', 'garbage', 100)
waiting_before = dict(b._waiting)
seen_before = b._seen
sender, receiver = socket.socketpair()
try:
sender.send('GET /foobar?p=-1 HTTP/1.0\r\n\r\n')
# This should not raise an exception.
b._master_welcome((receiver, 'fakeaddr'))
self.assertEqual(waiting_before, b._waiting)
self.assertEqual(seen_before, b._seen)
sender, receiver = socket.socketpair()
sender.send('abcdefg\x00\x01\x02\n'*5)
# This should not raise an exception.
b._master_welcome((receiver, 'fakeaddr'))
self.assertEqual(waiting_before, b._waiting)
self.assertEqual(seen_before, b._seen)
finally:
sender.close()
receiver.close()
def test_rendezvous_basic(self):
# Basic rendezvous testing
self.rendezvous_test(60, port=11920)
def test_rendezvous_timeout(self):
# The rendezvous should time out here and throw a
# BarrierError since we are specifying a timeout of 0
self.assertRaises(error.BarrierError,
self.rendezvous_test, 0, port=11921)
def test_rendezvous_abort_ok(self):
# Test with abort flag set to not abort.
self.rendezvous_test(60, port=11920,
test_abort=True, abort=False)
def test_rendezvous_abort(self):
# The rendezvous should abort here and throw a
# BarrierError since we are asking to abort
self.assertRaises(error.BarrierError,
self.rendezvous_test, 0, port=11921,
test_abort=True, abort=True)
def test_rendezvous_servers_basic(self):
# The rendezvous should time out here and throw a
# BarrierError since we are specifying a timeout of 0
self.rendezvous_test(60, port=11921,
rendezvous_servers=True)
def test_rendezvous_servers_timeout(self):
# The rendezvous should time out here and throw a
# BarrierError since we are specifying a timeout of 0
self.assertRaises(error.BarrierError,
self.rendezvous_test, 0, port=11922,
rendezvous_servers=True)
def test_rendezvous_servers_abort_ok(self):
# Test with abort flag set to not abort.
self.rendezvous_test(60, port=11920, rendezvous_servers=True,
test_abort=True, abort=False)
def test_rendezvous_servers_abort(self):
# The rendezvous should abort here and throw a
# BarrierError since we are asking to abort
self.assertRaises(error.BarrierError,
self.rendezvous_test, 0, port=11922,
rendezvous_servers=True,
test_abort=True, abort=True)
# Internal utility function (not a unit test)
def rendezvous_test(self, timeout, port=11922,
rendezvous_servers=False, test_abort=False,
abort=False, listen_server=None):
if listen_server:
port = None
def _rdv(addr):
b1 = barrier.barrier(addr, "test_meeting", timeout, port,
listen_server=listen_server)
if not rendezvous_servers:
if test_abort:
b1.rendezvous('127.0.0.1#0', '127.0.0.1#1', abort=abort)
else:
b1.rendezvous('127.0.0.1#0', '127.0.0.1#1')
else:
if test_abort:
b1.rendezvous_servers('127.0.0.1#0', '127.0.0.1#1',
abort=abort)
else:
b1.rendezvous_servers('127.0.0.1#0', '127.0.0.1#1')
def _thread_rdv(addr):
# We need to ignore the exception on one side.
try:
_rdv(addr)
except error.BarrierError:
pass
client = threading.Thread(target=_thread_rdv,
args=('127.0.0.1#0',))
client.start()
_rdv('127.0.0.1#1')
client.join()
def test_reusing_listen_server(self):
"""
Test that reusing the same listen server object works.
"""
server = barrier.listen_server()
self.rendezvous_test(10, listen_server=server)
self.rendezvous_test(10, listen_server=server)
self.rendezvous_test(10, listen_server=server)
if __name__ == "__main__":
unittest.main()