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Viewing changes to test/test_interfaces.py

  • Committer: Bazaar Package Importer
  • Author(s): W. Martin Borgert
  • Date: 2011-08-17 09:34:29 UTC
  • Revision ID: james.westby@ubuntu.com-20110817093429-cvgff034imbs899m
Tags: upstream-0.9.0
Import upstream version 0.9.0

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