def testClientProtocolInit(self):
''' Test the client protocol initialize '''
protocol = ModbusClientProtocol()
self.assertEqual(0, len(list(protocol.transaction)))
self.assertFalse(protocol._connected)
self.assertTrue(isinstance(protocol.framer, ModbusSocketFramer))
framer = object()
protocol = ModbusClientProtocol(framer=framer)
self.assertEqual(0, len(list(protocol.transaction)))
self.assertFalse(protocol._connected)
self.assertTrue(framer is protocol.framer)
def testClientProtocolExecute(self):
''' Test the client protocol execute method '''
protocol = ModbusClientProtocol()
protocol.connectionMade()
protocol.transport = Mock()
protocol.transport.write = Mock()
request = ReadCoilsRequest(1, 1)
d = protocol.execute(request)
tid = request.transaction_id
self.assertEqual(d, protocol.transaction.getTransaction(tid))
def testClientProtocolDataReceived(self):
''' Test the client protocol data received '''
protocol = ModbusClientProtocol()
protocol.connectionMade()
out = []
data = '\x00\x00\x12\x34\x00\x06\xff\x01\x01\x02\x00\x04'
# setup existing request
d = protocol._buildResponse(0x00)
d.addCallback(lambda v: out.append(v))
protocol.dataReceived(data)
self.assertTrue(isinstance(out[0], ReadCoilsResponse))
def testClientProtocolDisconnect(self):
''' Test the client protocol disconnect '''
protocol = ModbusClientProtocol()
protocol.connectionMade()
def handle_failure(failure):
self.assertTrue(isinstance(failure.value, ConnectionException))
d = protocol._buildResponse(0x00)
d.addErrback(handle_failure)
self.assertTrue(protocol._connected)
protocol.connectionLost('because')
self.assertFalse(protocol._connected)
def testClientProtocolBuildResponse(self):
''' Test the udp client protocol builds responses '''
protocol = ModbusClientProtocol()
self.assertEqual(0, len(list(protocol.transaction)))
def handle_failure(failure):
self.assertTrue(isinstance(failure.value, ConnectionException))
d = protocol._buildResponse(0x00)
d.addErrback(handle_failure)
self.assertEqual(0, len(list(protocol.transaction)))
protocol._connected = True
d = protocol._buildResponse(0x00)
self.assertEqual(1, len(list(protocol.transaction)))
def testClientProtocolHandleResponse(self):
''' Test the client protocol handles responses '''
protocol = ModbusClientProtocol()
protocol.connectionMade()
out = []
reply = ReadCoilsRequest(1, 1)
reply.transaction_id = 0x00
# handle skipped cases
protocol._handleResponse(None)
protocol._handleResponse(reply)
# handle existing cases
d = protocol._buildResponse(0x00)
d.addCallback(lambda v: out.append(v))
protocol._handleResponse(reply)
self.assertEqual(out[0], reply)
def testClientProtocolConnect(self):
''' Test the client protocol connect '''
protocol = ModbusClientProtocol()
self.assertFalse(protocol._connected)
protocol.connectionMade()
self.assertTrue(protocol._connected)
