def test_basic_server_transaction(self):
"""Tests the server transaction protocol and logic"""
db = ContentDB()
tc = db.add_messages([Message('fubar'), Message('foo'), Message('bar')])
with TestServerHelper() as server_helper, TestClientHelper() as client_helper:
srv_transaction = ServerTransaction(server_helper.sock, db)
test_client = SocketTransaction(client_helper.sock, b'\n')
"""Run the server transaction in a separate thread to allow client access"""
thread = threading.Thread(target=srv_transaction.process)
thread.start()
"""Check greeting from server"""
rcv = test_client._read()
self.assertEqual(rcv, Protocol.create_greeting_message(db.id).encode())
"""Check response to mdgid list req"""
test_client._write(Protocol.create_message_id_list_request(tc).encode())
rcv = test_client._read()
self.assertEqual(rcv, Protocol.create_message_id_list(tc, None).encode())
"""Check response to mdg req"""
test_client._write(Protocol.create_message_list_request([msg.id for msg in db.get_messages()]).encode())
rcv = test_client._read()
self.assertEqual(rcv, Protocol.create_message_list(db.get_messages()).encode())
"""Wait for server (will time out if no requests)"""
thread.join(2*TIMEOUT)
def test_roundtrip_greeting_message(self):
"""Test the greeting message creation / parsing by a round trip"""
ex_database_id_bin = b'\x01\x03\x03\x07'
self.assertEqual(
Protocol.parse_greeting_message(
Protocol.create_greeting_message(ex_database_id_bin)),
ex_database_id_bin)
def test_basic_client_transaction(self):
"""Tests the client transaction protocol and logic"""
client_db = ContentDB()
srv_db = ContentDB()
tc = srv_db.add_messages(
[Message('fubar'),
Message('foo'), Message('bar')])
self.assertEqual(client_db.message_count, 0)
self.assertEqual(srv_db.message_count, 3)
with TestServerHelper() as server_helper, TestClientHelper(
) as client_helper:
client_transaction = ClientTransaction(client_helper.sock,
client_db)
srv_sock = SocketTransaction(server_helper.sock, b'\n')
"""Run the client transaction in a separate thread"""
thread = threading.Thread(target=client_transaction.process)
thread.start()
"""Send a greeting (should be req. by client)"""
srv_sock._write(
Protocol.create_greeting_message(srv_db.id).encode())
"""Reading msg id list request"""
rcv = srv_sock._read()
self.assertEqual(
rcv,
Protocol.create_message_id_list_request().encode())
"""Sending the msg id list"""
srv_sock._write(
Protocol.create_message_id_list(
tc, srv_db.get_messages()).encode())
"""Reading msg list request"""
rcv = srv_sock._read()
self.assertEqual(
rcv,
Protocol.create_message_list_request(
[msg.id for msg in srv_db.get_messages()]).encode())
"""Sending the msg id list"""
srv_sock._write(
Protocol.create_message_list(srv_db.get_messages()).encode())
"""Wait for client to hang up"""
thread.join(2 * TIMEOUT)
"""Make sure the client has updated the db"""
self.assertEqual(client_db.message_count, 3)
self.assertEqual(srv_db.message_count, 3)
self.assertEqual(
len([
srvmsg for srvmsg in srv_db.get_messages()
if srvmsg not in client_db.get_messages()
]), 0)
def test_create_greeting_message(self):
"""Test construction of greeting message"""
ex_database_id_bin = b'\x01\x03\x03\x07'
ex_database_id_str = dandelion.util.encode_bytes(ex_database_id_bin).decode()
greeting = Protocol.create_greeting_message(ex_database_id_bin)
pc, pv, dbid = greeting[:-1].split(';')
self.assertEqual(pc, "DMS")
self.assertTrue(re.match('^[0-9]+\.[0-9]+$', pv))
self.assertEqual(dbid, ex_database_id_str)
self.assertRaises(ValueError, Protocol.create_greeting_message, None)
self.assertRaises(TypeError, Protocol.create_greeting_message, 1337)
self.assertRaises(ValueError, Protocol.create_greeting_message, b'')
self.assertRaises(ValueError, Protocol.create_greeting_message, [])
def test_create_greeting_message(self):
"""Test construction of greeting message"""
ex_database_id_bin = b'\x01\x03\x03\x07'
ex_database_id_str = dandelion.util.encode_bytes(
ex_database_id_bin).decode()
greeting = Protocol.create_greeting_message(ex_database_id_bin)
pc, pv, dbid = greeting[:-1].split(';')
self.assertEqual(pc, "DMS")
self.assertTrue(re.match('^[0-9]+\.[0-9]+$', pv))
self.assertEqual(dbid, ex_database_id_str)
self.assertRaises(ValueError, Protocol.create_greeting_message, None)
self.assertRaises(TypeError, Protocol.create_greeting_message, 1337)
self.assertRaises(ValueError, Protocol.create_greeting_message, b'')
self.assertRaises(ValueError, Protocol.create_greeting_message, [])
def test_basic_client_transaction(self):
"""Tests the client transaction protocol and logic"""
client_db = ContentDB()
srv_db = ContentDB()
tc = srv_db.add_messages([Message('fubar'), Message('foo'), Message('bar')])
self.assertEqual(client_db.message_count, 0)
self.assertEqual(srv_db.message_count, 3)
with TestServerHelper() as server_helper, TestClientHelper() as client_helper:
client_transaction = ClientTransaction(client_helper.sock, client_db)
srv_sock = SocketTransaction(server_helper.sock, b'\n')
"""Run the client transaction in a separate thread"""
thread = threading.Thread(target=client_transaction.process)
thread.start()
"""Send a greeting (should be req. by client)"""
srv_sock._write(Protocol.create_greeting_message(srv_db.id).encode())
"""Reading msg id list request"""
rcv = srv_sock._read()
self.assertEqual(rcv, Protocol.create_message_id_list_request().encode())
"""Sending the msg id list"""
srv_sock._write(Protocol.create_message_id_list(tc, srv_db.get_messages()).encode())
"""Reading msg list request"""
rcv = srv_sock._read()
self.assertEqual(rcv, Protocol.create_message_list_request([msg.id for msg in srv_db.get_messages()]).encode())
"""Sending the msg id list"""
srv_sock._write(Protocol.create_message_list(srv_db.get_messages()).encode())
"""Wait for client to hang up"""
thread.join(2*TIMEOUT)
"""Make sure the client has updated the db"""
self.assertEqual(client_db.message_count, 3)
self.assertEqual(srv_db.message_count, 3)
self.assertEqual(len([srvmsg for srvmsg in srv_db.get_messages() if srvmsg not in client_db.get_messages()]), 0)
def process(self):
"""The DMS server transaction logic.
Starts by sending a greeting. Will then service the connected client
repeatedly until it disconnects or the server times out."""
# print("SERVER TRANSACTION: Starting server transaction")
"""Write greeting"""
self._write(Protocol.create_greeting_message(self._db.id).encode())
while True: # Serve client as long as it is active
try:
bdata = self._read()
except socket.timeout:
break
try:
self._process_data(bdata)
except ServerTransaction._AbortTransactionException:
# print("SERVER TRANSACTION: Ending server transaction A")
return
def test_server_transaction_protocol_violation(self):
"""Tests the servers response to an invalid request"""
db = ContentDB()
with TestServerHelper() as server_helper, TestClientHelper(
) as client_helper:
srv_transaction = ServerTransaction(server_helper.sock, db)
test_client = SocketTransaction(client_helper.sock, b'\n')
"""Run the server transaction in a separate thread to allow client access"""
thread = threading.Thread(target=srv_transaction.process)
thread.start()
"""Check greeting from server"""
rcv = test_client._read()
self.assertEqual(rcv,
Protocol.create_greeting_message(db.id).encode())
"""Check response to mdgid list req"""
test_client._write(b'NON PROTOCOL MESSAGE\n')
self.assertRaises(socket.timeout, test_client._read)
"""Wait for server (will time out if no requests)"""
thread.join(2 * TIMEOUT)
server_helper, client_helper = None, None
def test_server_transaction_protocol_violation(self):
"""Tests the servers response to an invalid request"""
db = ContentDB()
with TestServerHelper() as server_helper, TestClientHelper() as client_helper:
srv_transaction = ServerTransaction(server_helper.sock, db)
test_client = SocketTransaction(client_helper.sock, b'\n')
"""Run the server transaction in a separate thread to allow client access"""
thread = threading.Thread(target=srv_transaction.process)
thread.start()
"""Check greeting from server"""
rcv = test_client._read()
self.assertEqual(rcv, Protocol.create_greeting_message(db.id).encode())
"""Check response to mdgid list req"""
test_client._write(b'NON PROTOCOL MESSAGE\n')
self.assertRaises(socket.timeout, test_client._read)
"""Wait for server (will time out if no requests)"""
thread.join(2*TIMEOUT)
server_helper, client_helper = None, None
def test_basic_server_transaction(self):
"""Tests the server transaction protocol and logic"""
db = ContentDB()
tc = db.add_messages(
[Message('fubar'),
Message('foo'), Message('bar')])
with TestServerHelper() as server_helper, TestClientHelper(
) as client_helper:
srv_transaction = ServerTransaction(server_helper.sock, db)
test_client = SocketTransaction(client_helper.sock, b'\n')
"""Run the server transaction in a separate thread to allow client access"""
thread = threading.Thread(target=srv_transaction.process)
thread.start()
"""Check greeting from server"""
rcv = test_client._read()
self.assertEqual(rcv,
Protocol.create_greeting_message(db.id).encode())
"""Check response to mdgid list req"""
test_client._write(
Protocol.create_message_id_list_request(tc).encode())
rcv = test_client._read()
self.assertEqual(
rcv,
Protocol.create_message_id_list(tc, None).encode())
"""Check response to mdg req"""
test_client._write(
Protocol.create_message_list_request(
[msg.id for msg in db.get_messages()]).encode())
rcv = test_client._read()
self.assertEqual(
rcv,
Protocol.create_message_list(db.get_messages()).encode())
"""Wait for server (will time out if no requests)"""
thread.join(2 * TIMEOUT)
def test_roundtrip_greeting_message(self):
"""Test the greeting message creation / parsing by a round trip"""
ex_database_id_bin = b'\x01\x03\x03\x07'
self.assertEqual(Protocol.parse_greeting_message(Protocol.create_greeting_message(ex_database_id_bin)), ex_database_id_bin)
