test_gensrv_py.py

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#!/usr/bin/env python
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import os
import sys
import struct
import unittest
try:
    from cStringIO import StringIO
except ImportError:
    from io import BytesIO as StringIO
import time
import random
import math
 
from genpy import SerializationError
        
class TestGensrvPy(unittest.TestCase):
 
    
    def _test_ser_deser(self, orig, blank, float=False):
        b = StringIO()
        orig.serialize(b)
        blank.deserialize(b.getvalue())
        if not float:
            self.assertEqual(orig, blank, str(orig)+" != "+str(blank))
        else:
            self.assertAlmostEqual(orig.data, blank.data, 5)
 
    
    def test_test_rospy_TransitiveImport(self):
        from test_rospy.srv import TransitiveSrvRequest
        m = TransitiveSrvRequest()
        # invoking serialize should be enough to expose issue. The bug
        # was that genmsg_py was failing to include the imports of
        # embedded messages. Because messages are flattened, this
        # causes ImportErrors.
        self._test_ser_deser(m, TransitiveSrvRequest())