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Fix tests for changes in pymodbus API
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3cky committed Sep 29, 2023
1 parent 4e5c7e3 commit 18fb6d0
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Showing 2 changed files with 17 additions and 17 deletions.
6 changes: 3 additions & 3 deletions tests/environment/rtu_slave.py
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@
#---------------------------------------------------------------------------#
#from pymodbus.server.async import StartTcpServer
#from pymodbus.server.async import StartUdpServer
from pymodbus.server.asynchronous import StartSerialServer
from pymodbus.server import StartSerialServer

from pymodbus.device import ModbusDeviceIdentification
from pymodbus.datastore import ModbusSequentialDataBlock
Expand Down Expand Up @@ -92,7 +92,7 @@ def _start_rtu_server(self, framer=ModbusRtuFramer):
hr = ModbusSequentialDataBlock(0, [0]*8), # holding regs
ir = ModbusSequentialDataBlock(0, list(range(8))), # input regs
zero_mode=True) # request(0-7) will map to the address (0-7)
context = ModbusServerContext(slaves=store, single=True)
context = ModbusServerContext(slaves={1: store}, single=False)

#---------------------------------------------------------------------------#
# initialize the server information
Expand All @@ -112,7 +112,7 @@ def _start_rtu_server(self, framer=ModbusRtuFramer):
#---------------------------------------------------------------------------#
#StartTcpServer(context, identity=identity, address=("localhost", 5020))
#StartUdpServer(context, identity=identity, address=("localhost", 502))
StartSerialServer(context, identity=identity, port=self.serialPort, baudrate=19200, framer=framer, broadcast_enable=True)
StartSerialServer(context=context, identity=identity, port=self.serialPort, baudrate=19200, framer=framer, broadcast_enable=True)
#StartSerialServer(context, identity=identity, port='/dev/pts/3', framer=ModbusAsciiFramer)

p = None
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28 changes: 14 additions & 14 deletions tests/run_itests.py
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
from os.path import isfile
from time import sleep

from pymodbus.client.sync import ModbusTcpClient
from pymodbus.client import ModbusTcpClient
from pymodbus.pdu import ExceptionResponse
from pymodbus.bit_read_message import ReadDiscreteInputsResponse, ReadCoilsResponse
from pymodbus.bit_write_message import WriteMultipleCoilsResponse, WriteSingleCoilResponse
Expand Down Expand Up @@ -62,75 +62,75 @@ def test_coils(self):
bits = [random.randrange(2)>0 for i in range(8)]

# 15 Write Multiple Coils
result = self.client.write_coils(0, bits, unit=1)
result = self.client.write_coils(0, bits, slave=1)
self.assertIsInstance(result, WriteMultipleCoilsResponse, result)
self.assertEqual(result.address, 0, result)
self.assertEqual(result.count, 8, result)

# 01 Read Coils
result = self.client.read_coils(0, 8, unit=1)
result = self.client.read_coils(0, 8, slave=1)
self.assertIsInstance(result, ReadCoilsResponse, result)
self.assertEqual(result.bits, bits, result)

# 05 Write Single Coil
bit1 = not bits[0]
result = self.client.write_coil(0, bit1, unit=1)
result = self.client.write_coil(0, bit1, slave=1)
self.assertIsInstance(result, WriteSingleCoilResponse, result)
self.assertEqual(result.address, 0, result)
self.assertEqual(result.value, bit1, result)
result = self.client.read_coils(0, 1, unit=1)
result = self.client.read_coils(0, 1, slave=1)
self.assertIsInstance(result, ReadCoilsResponse, result)
self.assertEqual(result.bits[0], bit1, result)

def test_discreteInputs(self):
# 02 Read Discrete Inputs
result = self.client.read_discrete_inputs(0, 8, unit=1)
result = self.client.read_discrete_inputs(0, 8, slave=1)
self.assertIsInstance(result, ReadDiscreteInputsResponse, result)
self.assertEqual(result.bits, [True]*8, result)

def test_inputRegisters(self):
# 04 Read Input Registers
result = self.client.read_input_registers(0, 8, unit=1)
result = self.client.read_input_registers(0, 8, slave=1)
self.assertIsInstance(result, ReadInputRegistersResponse, result)
self.assertEqual(result.registers, list(range(8)), result)

def test_holdingRegisters(self):
registers = [random.randrange(8) for i in range(8)]

# 16 Write Multiple Holding Registers
result = self.client.write_registers(0, registers, unit=1)
result = self.client.write_registers(0, registers, slave=1)
self.assertIsInstance(result, WriteMultipleRegistersResponse, result)
self.assertEqual(result.address, 0, result)
self.assertEqual(result.count, 8, result)

# 03 Read Multiple Holding Registers
result = self.client.read_holding_registers(0, 8, unit=1)
result = self.client.read_holding_registers(0, 8, slave=1)
self.assertIsInstance(result, ReadHoldingRegistersResponse, result)
self.assertEqual(result.registers, registers, result)

# 06 Write Single Holding Register
register1 = (registers[0] + 1) % 65535
result = self.client.write_register(0, register1, unit=1)
result = self.client.write_register(0, register1, slave=1)
self.assertIsInstance(result, WriteSingleRegisterResponse, result)
self.assertEqual(result.address, 0, result)
self.assertEqual(result.value, register1, result)
result = self.client.read_holding_registers(0, 1, unit=1)
result = self.client.read_holding_registers(0, 1, slave=1)
self.assertIsInstance(result, ReadHoldingRegistersResponse, result)
self.assertEqual(result.registers[0], register1, result)

def test_exception(self):
result = self.client.write_coil(1000, False, unit=1) # invalid address 1000
result = self.client.write_coil(1000, False, slave=1) # invalid address 1000
self.assertIsInstance(result, ExceptionResponse, result)
self.assertEqual(result.original_code, 5, result) # fc05 Write Single Coil
self.assertEqual(result.exception_code, 2, result) # Illegal Data Address

def test_broadcast(self):
registers = [random.randrange(8) for i in range(8)]
# 16 Write Multiple Holding Registers
result = self.client.write_registers(0, registers, unit=0)
result = self.client.write_registers(0, registers, slave=0)

# 03 Read Multiple Holding Registers
result = self.client.read_holding_registers(0, 8, unit=1)
result = self.client.read_holding_registers(0, 8, slave=1)
self.assertIsInstance(result, ReadHoldingRegistersResponse, result)
self.assertEqual(result.registers, registers, result)

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