def testTcpExecuteFailure(self):
protocol = ModbusTcpProtocol()
protocol.factory = MagicMock()
protocol.factory.store = MagicMock()
protocol.store = MagicMock()
protocol.factory.ignore_missing_slaves = False
request = MagicMock()
protocol._send = MagicMock()
# CASE-1: test NoSuchSlaveException exceptions
request.execute.side_effect = NoSuchSlaveException()
self.assertRaises(
NoSuchSlaveException, protocol._execute(request)
)
self.assertTrue(request.doException.called)
# CASE-2: NoSuchSlaveException with ignore_missing_slaves = true
protocol.ignore_missing_slaves = True
request.execute.side_effect = NoSuchSlaveException()
self.assertEqual(protocol._execute(request), None)
# test other exceptions
request.execute.side_effect = ModbusIOException()
self.assertRaises(
ModbusIOException, protocol._execute(request)
)
self.assertTrue(protocol._send.called)
def testTcpExecuteSuccess(self):
protocol = ModbusTcpProtocol()
protocol.store = MagicMock()
request = MagicMock()
protocol._send = MagicMock()
# tst if _send being called
protocol._execute(request)
self.assertTrue(protocol._send.called)
def testTcpExecuteSuccess(self):
protocol = ModbusTcpProtocol()
protocol.store = MagicMock()
request = MagicMock()
protocol._send = MagicMock()
# tst if _send being called
protocol._execute(request)
self.assertTrue(protocol._send.called)
def testTcpExecuteFailure(self):
protocol = ModbusTcpProtocol()
protocol.store = MagicMock()
request = MagicMock()
protocol._send = MagicMock()
# CASE-1: test NoSuchSlaveException exceptions
request.execute.side_effect = NoSuchSlaveException()
self.assertRaises(NoSuchSlaveException, protocol._execute(request))
self.assertTrue(request.doException.called)
# CASE-2: NoSuchSlaveException with ignore_missing_slaves = true
protocol.ignore_missing_slaves = True
request.execute.side_effect = NoSuchSlaveException()
self.assertEqual(protocol._execute(request), None)
# test other exceptions
request.execute.side_effect = ModbusIOException()
self.assertRaises(ModbusIOException, protocol._execute(request))
self.assertTrue(protocol._send.called)