00001 #!/usr/bin/env python 00002 # Software License Agreement (BSD License) 00003 # 00004 # Copyright (c) 2008, Willow Garage, Inc. 00005 # All rights reserved. 00006 # 00007 # Redistribution and use in source and binary forms, with or without 00008 # modification, are permitted provided that the following conditions 00009 # are met: 00010 # 00011 # * Redistributions of source code must retain the above copyright 00012 # notice, this list of conditions and the following disclaimer. 00013 # * Redistributions in binary form must reproduce the above 00014 # copyright notice, this list of conditions and the following 00015 # disclaimer in the documentation and/or other materials provided 00016 # with the distribution. 00017 # * Neither the name of Willow Garage, Inc. nor the names of its 00018 # contributors may be used to endorse or promote products derived 00019 # from this software without specific prior written permission. 00020 # 00021 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 # POSSIBILITY OF SUCH DAMAGE. 00033 00034 import os 00035 import sys 00036 import struct 00037 import unittest 00038 import time 00039 import random 00040 import datetime 00041 00042 from rosgraph.names import make_global_ns, ns_join 00043 00044 ## Unit tests for rospy.paramserver module 00045 class TestRospyParamServer(unittest.TestCase): 00046 00047 def test_param_server_cache(self): 00048 from rospy.impl.paramserver import get_param_server_cache 00049 ps = get_param_server_cache() 00050 self.assert_(ps is not None) 00051 try: 00052 ps.get('foo') 00053 self.fail("get should fail on non-existent key") 00054 except KeyError, e: 00055 pass 00056 for i in xrange(0, 10): 00057 k = 'key-%s%s'%(i, random.randint(0, 1000)) 00058 v = 'value-%s'%random.randint(0, 1000) 00059 try: 00060 ps.update(k, v) 00061 self.fail("update should fail on non-existent key "+k) 00062 except KeyError, e: 00063 pass 00064 00065 ps.set(k, v) 00066 self.assertEquals(v, ps.get(k)) 00067 v = 'value-%s'%random.randint(0, 1000) 00068 ps.update(k, v) 00069 self.assertEquals(v, ps.get(k)) 00070 00071 ps.delete(k) 00072 try: 00073 ps.get(k) 00074 self.fail('get should fail on deleted key') 00075 except KeyError: pass