def testCommunication(self):
""" Can the Server communicate with Clients and handle errors
appropriately?
"""
# Test server set up
# Does the ping operation work when the Server is not running?
self.assert_(not Server.ping(get_server_port()))
# Set up server thread
serverThread = TestThread()
serverThread.setDaemon(True)
serverThread.start()
sleep(.5)
self.assert_(os.path.exists(LOCK_PATH))
# Test normal operation
self.assert_(Server.ping(get_server_port()))
client1 = TestClient(self_type='client1', other_type='client2')
client1.register()
client2 = TestClient(self_type='client2', other_type='client1')
client2.register()
sleep(.5)
self.assert_(not (client1.orphaned or client2.orphaned))
client1.send_command("foo", "bar")
sleep(.1)
self.assertEqual(client2.command, "foo")
self.assertEqual(client2.arguments, "bar")
client1.unregister()
sleep(.1)
self.assert_(client1.orphaned and client2.orphaned)
client1.register()
sleep(.1)
self.assert_(not (client1.orphaned or client2.orphaned))
# Simulated breakage -- does the Server handle unexpected communication
# failure?
# Have client1 'die'. We send the dummy command to force its connection
# loop to terminate after the call to 'stop'. (In Python we can't just
# kill the thread, which is really what we want to do in this case.)
client1._communication_thread.stop()
sleep(.1)
serverThread.server._send_to(client1._port, "dummy", "")
sleep(.1)
# The Server should inform client1 that it could not complete its
# request
client2.send_command("foo", "bar")
sleep(.1)
self.assert_(client2.orphaned)
self.assertEqual(client2.error_count, 1)
def testCommunication(self):
""" Can the Server communicate with Clients and handle errors
appropriately?
"""
# Test server set up
# Does the ping operation work when the Server is not running?
self.assert_(not Server.ping(get_server_port()))
# Set up server thread
serverThread = TestThread()
serverThread.setDaemon(True)
serverThread.start()
sleep(.5)
self.assert_(os.path.exists(LOCK_PATH))
# Test normal operation
self.assert_(Server.ping(get_server_port()))
client1 = TestClient(self_type='client1', other_type='client2')
client1.register()
client2 = TestClient(self_type='client2', other_type='client1')
client2.register()
sleep(.5)
self.assert_(not(client1.orphaned or client2.orphaned))
client1.send_command("foo", "bar")
sleep(.1)
self.assertEqual(client2.command, "foo")
self.assertEqual(client2.arguments, "bar")
client1.unregister()
sleep(.1)
self.assert_(client1.orphaned and client2.orphaned)
client1.register()
sleep(.1)
self.assert_(not(client1.orphaned or client2.orphaned))
# Simulated breakage -- does the Server handle unexpected communication
# failure?
# Have client1 'die'. We send the dummy command to force its connection
# loop to terminate after the call to 'stop'. (In Python we can't just
# kill the thread, which is really what we want to do in this case.)
client1._communication_thread.stop()
sleep(.1)
serverThread.server._send_to(client1._port, "dummy", "")
sleep(.1)
# The Server should inform client1 that it could not complete its
# request
client2.send_command("foo", "bar")
sleep(.1)
self.assert_(client2.orphaned)
self.assertEqual(client2.error_count, 1)
def run(self):
self.server = Server()
self.server.init()
self.server.main()
class TestThread(Thread):
def run(self):
self.server = Server()
self.server.init()
self.server.main()
def run(self):
self.server = Server()
self.server.init()
self.server.main()
class TestThread(Thread):
def run(self):
self.server = Server()
self.server.init()
self.server.main()
