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#!/usr/bin/env python
import unittest
from pymodbus.interfaces import *
from pymodbus.exceptions import NotImplementedException
class _SingleInstance(Singleton):
pass
class ModbusInterfaceTestsTest(unittest.TestCase):
'''
This is the unittest for the pymodbus.interfaces module
'''
def setUp(self):
''' Initializes the test environment '''
pass
def tearDown(self):
''' Cleans up the test environment '''
pass
def testSingletonInterface(self):
''' Test that the singleton interface works '''
first = _SingleInstance()
second = _SingleInstance()
self.assertEqual(first, second)
def testModbusDecoderInterface(self):
''' Test that the base class isn't implemented '''
x = None
instance = IModbusDecoder()
self.assertRaises(NotImplementedException, lambda: instance.decode(x))
self.assertRaises(NotImplementedException, lambda: instance.lookupPduClass(x))
def testModbusFramerInterface(self):
''' Test that the base class isn't implemented '''
x = None
instance = IModbusFramer()
self.assertRaises(NotImplementedException, instance.checkFrame)
self.assertRaises(NotImplementedException, instance.advanceFrame)
self.assertRaises(NotImplementedException, instance.isFrameReady)
self.assertRaises(NotImplementedException, instance.getFrame)
self.assertRaises(NotImplementedException, lambda: instance.addToFrame(x))
self.assertRaises(NotImplementedException, lambda: instance.populateResult(x))
self.assertRaises(NotImplementedException, lambda: instance.processIncomingPacket(x,x))
self.assertRaises(NotImplementedException, lambda: instance.buildPacket(x))
def testModbusSlaveContextInterface(self):
''' Test that the base class isn't implemented '''
x = None
instance = IModbusSlaveContext()
self.assertRaises(NotImplementedException, instance.reset)
self.assertRaises(NotImplementedException, lambda: instance.validate(x,x,x))
self.assertRaises(NotImplementedException, lambda: instance.getValues(x,x,x))
self.assertRaises(NotImplementedException, lambda: instance.setValues(x,x,x))
def testModbusPayloadBuilderInterface(self):
''' Test that the base class isn't implemented '''
x = None
instance = IPayloadBuilder()
self.assertRaises(NotImplementedException, lambda: instance.build())
#---------------------------------------------------------------------------#
# Main
#---------------------------------------------------------------------------#
if __name__ == "__main__":
unittest.main()
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