How to use get_param method in autotest

Best Python code snippet using autotest_python

params_basic.py

Source:params_basic.py

...39import rostest40import rospkg41import rosgraph42master = rosgraph.Master('params_basic')43def get_param(*args):44    return master.getParam(*args)45    46## Test Roslaunch 'param' tags47class TestParamsBasic(unittest.TestCase):48    ## test primitive values49    def test_values(self):50        ## Test roslaunch string params51        self.assertEquals(get_param('stringempty'), '')52        print(get_param('stringbar'))53        self.assertEquals(get_param('stringbar'), 'bar')54        self.assertEquals(get_param('str10'), '10')55        self.assertEquals(get_param('string10'), '10')        56        self.assertEquals(get_param('stringentity'), '<stringentity/>')        57        ## Test roslaunch integer params58        self.assertEquals(get_param("integerneg1"), -1)59        self.assertEquals(get_param("integer0"), 0)60        self.assertEquals(get_param("integer1"), 1)61        self.assertEquals(get_param("integernoop1"), 1)62        self.assertEquals(get_param("integer12345"), 12345)63        ## Test roslaunch float params64        self.assertEquals(get_param("floatpi"),3.14159)65        self.assertEquals(get_param("floatnooppi"),3.14159)66        self.assertEquals(get_param("float3"),3.0)67        self.assertEquals(get_param("floatneg1"),-1.0)68        ## Test roslaunch boolean params69        for p in ['true', 'TRUE', 'True']:70            self.assertTrue(get_param(p), "[%s] is not false: %s"%(p, get_param(p)))71        for p in ['false', "FALSE", 'False']:72            self.assertFalse(get_param(p), "[%s] is not false: %s"%(p, get_param(p)))73            74    ## Test roslaunch ns attribute (namespace) on params75    def test_ns(self):76        self.assertEquals(get_param("/wg/childparam"),"wg")77        self.assertEquals(get_param("/wg2/childparam"),"wg2")78        self.assertEquals(get_param("/wg3/childparam"),"wg3")79        self.assertEquals(get_param("/wg/wg4/childparam"),"wg4")80        self.assertEquals(get_param("/wg/wg4/wg5/childparam"),"wg5")          81        ## Test roslaunch <group> tag with and without ns attribute82        self.assertEquals(get_param("/wga/wg/childparam"),"wg")83        self.assertEquals(get_param("/wga/wg2/childparam"),"wg2")84        self.assertEquals(get_param("/wga/wg3/childparam"),"wg3")85        self.assertEquals(get_param("/wga/wg/wg4/childparam"),"wg4")86        self.assertEquals(get_param("/wga/wg/wg4/wg5/childparam"),"wg5")          87        # test second-level group88        self.assertEquals(get_param("/wga/wgb/wg/childparam"),"bwg")89        self.assertEquals(get_param("/wga/wgb/wg2/childparam"),"bwg2")90        self.assertEquals(get_param("/wga/wgb/wg3/childparam"),"bwg3")91        self.assertEquals(get_param("/wga/wgb/wg/wg4/childparam"),"bwg4")92        self.assertEquals(get_param("/wga/wgb/wg/wg4/wg5/childparam"),"bwg5")93        # test unscoped group94        self.assertEquals(get_param("/wgc/childparam"),"wg")95        self.assertEquals(get_param("/wgc2/childparam"),"wg2")96        self.assertEquals(get_param("/wgc3/childparam"),"wg3")97        self.assertEquals(get_param("/wgc/wg4/childparam"),"wg4")98        self.assertEquals(get_param("/wgc/wg4/wg5/childparam"),"wg5")          99        100    ## test 'command' attribute101    def test_commandandfile(self):102        dir = rospkg.RosPack().get_path('roslaunch')103        with open(os.path.join(dir, 'resources', 'example.launch'), 'r') as f:104            text_data = f.read()105        with open(os.path.join(dir, 'resources', 'example.launch'), 'rb') as f:106            binary_data = f.read()107        self.assertEquals(get_param("commandoutput"), binary_data)108        self.assertEquals(get_param("textfile"), text_data)109        ## test 'binfile' attribute110        bindata = get_param("binaryfile")111        self.assertTrue(isinstance(bindata, Binary))112        self.assertEquals(bindata.data, binary_data)113    114if __name__ == '__main__':115    rostest.rosrun(PKG, sys.argv[0], TestParamsBasic, sys.argv)...

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