def _parenthesize_if(self, n, condition):
        s = self._visit_expr(n)
        if condition(n):
            return '(' + s + ')'
        else:
            return s
setup method will create a file and set to known configuration
dataset/ETHPy150Open eliben/pycparser/pycparser/c_generator.py/CGenerator._parenthesize_if--crossover with--dataset/ETHPy150Open openshift/openshift-ansible/test/units/yedit_test.py/YeditTest.setUp