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#!/usr/bin/env python
import unittest
from pymodbus.exceptions import NotImplementedException
from pymodbus.datastore.remote import RemoteSlaveContext
from pymodbus.bit_read_message import *
from pymodbus.bit_write_message import *
from pymodbus.register_read_message import *
from pymodbus.pdu import ExceptionResponse
from .modbus_mocks import mock
class RemoteModbusDataStoreTest(unittest.TestCase):
'''
This is the unittest for the pymodbus.datastore.remote module
'''
def testRemoteSlaveContext(self):
''' Test a modbus remote slave context '''
context = RemoteSlaveContext(None)
self.assertNotEqual(str(context), None)
self.assertRaises(NotImplementedException, lambda: context.reset())
def testRemoteSlaveSetValues(self):
''' Test setting values against a remote slave context '''
client = mock()
client.write_coils = lambda a,b: WriteMultipleCoilsResponse()
context = RemoteSlaveContext(client)
result = context.setValues(1, 0, [1])
self.assertTrue(True)
def testRemoteSlaveGetValues(self):
''' Test getting values from a remote slave context '''
client = mock()
client.read_coils = lambda a,b: ReadCoilsResponse([1]*10)
client.read_input_registers = lambda a,b: ReadInputRegistersResponse([10]*10)
client.read_holding_registers = lambda a,b: ExceptionResponse(0x15)
context = RemoteSlaveContext(client)
result = context.getValues(1, 0, 10)
self.assertEqual(result, [1]*10)
result = context.getValues(4, 0, 10)
self.assertEqual(result, [10]*10)
result = context.getValues(3, 0, 10)
self.assertNotEqual(result, [10]*10)
def testRemoteSlaveValidateValues(self):
''' Test validating against a remote slave context '''
client = mock()
client.read_coils = lambda a,b: ReadCoilsResponse([1]*10)
client.read_input_registers = lambda a,b: ReadInputRegistersResponse([10]*10)
client.read_holding_registers = lambda a,b: ExceptionResponse(0x15)
context = RemoteSlaveContext(client)
result = context.validate(1, 0, 10)
self.assertTrue(result)
result = context.validate(4, 0, 10)
self.assertTrue(result)
result = context.validate(3, 0, 10)
self.assertFalse(result)
#---------------------------------------------------------------------------#
# Main
#---------------------------------------------------------------------------#
if __name__ == "__main__":
unittest.main()
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