def testParameterValidationUnknown(self):
    self.handler.request.set("mapper_params_validator", "does_not_exist")
    self.assertRaises(ImportError, self.handler.handle)
Tests the user-supplied parameter validation function cannot be found.
dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/test/mapreduce/handlers_test.py/StartJobHandlerTest.testParameterValidationUnknown