def assertFileDoesNotExist(self, path):
        try:
            open(path)
        except IOError:
            pass
        else:
            self.fail("File exists: {0}".format(path))
Check that the file at path does not exist.
dataset/ETHPy150Open koenbok/Cactus/cactus/tests/__init__.py/BaseTestCase.assertFileDoesNotExist