test_service_failure.py
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00001 #!/usr/bin/env python
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00033 
00034 ## Integration test for empty services to test serializers
00035 ## and transport
00036 
00037 PKG = 'test_rospy'
00038 NAME = 'empty_service'
00039 
00040 import sys, time
00041 import unittest
00042 
00043 import rostest
00044 
00045 class TestServiceFailure(unittest.TestCase):
00046         
00047     def test_persistent(self):
00048         # fail_two_ints succeeds unless the first argument is -1.
00049         # this makes sure, in the persistent case, that the proxy handle remains valid after a call
00050         from test_rosmaster.srv import AddTwoInts
00051         import rospy
00052         rospy.wait_for_service('fail_two_ints', 10.)
00053         p = rospy.ServiceProxy('fail_two_ints', AddTwoInts, persistent=True)
00054         for a in [1, -1, 1, -1, -1, -1, -1, 1]:
00055             try:
00056                 resp = p(a, 1)
00057                 if a == 1:
00058                     self.assertEquals(resp.sum, 2)
00059                 else:
00060                     self.fail("service call should have failed: %s,%s, %s"%(a, 1, resp.sum))
00061             except rospy.ServiceException, e:
00062                 if a == -1:
00063                     # expected
00064                     pass
00065                 else:
00066                     self.fail("service call failed when it shouldn't have: %s"%str(e))
00067 
00068     def test_non_persistent(self):
00069         # fail_two_ints succeeds unless the first argument is -1.
00070         # this makes sure, in the non-persistent case, that the proxy handle remains valid after a call
00071         from test_rosmaster.srv import AddTwoInts
00072         import rospy
00073         rospy.wait_for_service('fail_two_ints', 10.)
00074         p = rospy.ServiceProxy('fail_two_ints', AddTwoInts)
00075         for a in [1, -1, 1, -1, -1, -1, -1, 1]:
00076             try:
00077                 resp = p(a, 1)
00078                 if a == 1:
00079                     self.assertEquals(resp.sum, 2)
00080                 else:
00081                     self.fail("service call should have failed")
00082             except rospy.ServiceException, e:
00083                 if a == -1:
00084                     # expected
00085                     pass
00086                 else:
00087                     self.fail("service call should have failed")
00088         
00089         
00090 if __name__ == '__main__':
00091     rostest.run(PKG, 'rospy_service_failure', TestServiceFailure, sys.argv)


test_rospy
Author(s): Ken Conley
autogenerated on Mon Oct 6 2014 11:47:19