test_add_two_ints.py
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00001 #!/usr/bin/env python
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00035 
00036 ## Integration test for add_two_ints 
00037 
00038 from __future__ import print_function
00039 
00040 PKG = 'rospy_tutorials'
00041 NAME = 'add_two_ints_test'
00042 
00043 import sys
00044 import unittest
00045 
00046 import rospy
00047 import rostest
00048 from rospy_tutorials.srv import *
00049 
00050 class TestAddTwoInts(unittest.TestCase):
00051         
00052     def test_add_two_ints(self):
00053         rospy.wait_for_service('add_two_ints')
00054         s = rospy.ServiceProxy('add_two_ints', AddTwoInts)
00055         tests = [(1, 2), (0, 0), (-1, -2), (12312, 980123), (sys.maxsize, -sys.maxsize), (sys.maxsize, -1), (sys.maxsize, 0)]
00056         for x, y in tests:
00057             print("Requesting %s+%s" % (x, y))
00058             # test both simple and formal call syntax
00059             resp = s(x, y)
00060             resp2 = s.call(AddTwoIntsRequest(x, y))
00061             self.assertEquals(resp.sum,resp2.sum)
00062             print("%s+%s = %s" % (x, y, resp.sum))
00063             self.assertEquals(resp.sum,(x + y), "integration failure, returned sum was %s vs. %s"%(resp.sum, (x+y)))
00064 
00065     def test_add_two_ints_bad_then_good(self):
00066         rospy.wait_for_service('add_two_ints')
00067         try:
00068             s = rospy.ServiceProxy('add_two_ints', BadTwoInts)            
00069             resp = s(1, 2)
00070             self.fail("service call should have failed with exception but instead returned 1+2=%s"%resp.sum)
00071         except rospy.ServiceException as e:
00072             print("success -- ros exception was thrown: %s" % e)
00073         s = rospy.ServiceProxy('add_two_ints', AddTwoInts)
00074         resp = s.call(AddTwoIntsRequest(1, 2))
00075         self.assertEquals(3,resp.sum)
00076         
00077             
00078     def test_add_two_ints_bad_type(self):
00079         rospy.wait_for_service('add_two_ints')
00080         s = rospy.ServiceProxy('add_two_ints', BadTwoInts)
00081         tests = [(1, 2), (0, 0), (-1, -2), (12312, 980123), (sys.maxsize, -sys.maxsize), (sys.maxsize, -1), (sys.maxsize, 0)]
00082         for x, y in tests:
00083             print("Requesting %s+%s" % (x, y))
00084             # test both simple and formal call syntax
00085             try:
00086                 resp = s(x, y)
00087                 if resp.sum == x+y:
00088                     self.fail("call 1 with bad type failed: the server appears to be incorrectly deserialing the packet as it returned: %s"%resp.sum)
00089                 else:
00090                     self.fail("call 1 with bad type failed to throw exception: %s"%resp.sum)
00091             except rospy.ServiceException as e:
00092                 print("success -- ros exception was thrown: %s" % e)
00093             try:
00094                 resp = s.call(BadTwoIntsRequest(x, y))
00095                 if resp.sum == x+y:
00096                     self.fail("call 2 with bad type failed: the server appears to be incorrectly deserialing the packet as it returned: %s"%resp.sum)
00097                 else:
00098                     self.fail("call 2 with bad type failed to throw exception: %s"%resp.sum)
00099             except rospy.ServiceException as e:
00100                 print("success -- ros exception was thrown: %s" % e)
00101         
00102 if __name__ == '__main__':
00103     rostest.rosrun(PKG, NAME, TestAddTwoInts, sys.argv)


rospy_tutorials
Author(s): Ken Conley
autogenerated on Thu Jun 6 2019 20:20:11