basic_session_run_hooks_test.py 文件源码

def test_stop_based_on_last_step(self):
    h = basic_session_run_hooks.StopAtStepHook(last_step=10)
    with tf.Graph().as_default():
      global_step = tf.contrib.framework.get_or_create_global_step()
      no_op = tf.no_op()
      h.begin()
      with tf.Session() as sess:
        mon_sess = monitored_session._HookedSession(sess, [h])
        sess.run(tf.assign(global_step, 5))
        mon_sess.run(no_op)
        self.assertFalse(mon_sess.should_stop())
        sess.run(tf.assign(global_step, 9))
        mon_sess.run(no_op)
        self.assertFalse(mon_sess.should_stop())
        sess.run(tf.assign(global_step, 10))
        mon_sess.run(no_op)
        self.assertTrue(mon_sess.should_stop())
        sess.run(tf.assign(global_step, 11))
        mon_sess._should_stop = False
        mon_sess.run(no_op)
        self.assertTrue(mon_sess.should_stop())