Method test_null_pool

test/engine/test_pool.py:431–432

(self)

        self._do_test(pool.SingletonThreadPool, ["R", "CL", "R"])

    def test_null_pool(self):
        self._do_test(pool.NullPool, ["R", "CL", "R", "CL"])

    def test_static_pool(self):
        self._do_test(pool.StaticPool, ["R", "CL", "R"])