checkpoint_utils_test.py 文件源码

def testInitFromCheckpointMissing(self):
    checkpoint_dir = self.get_temp_dir()
    with self.test_session() as session:
      _, _, _, _ = _create_checkpoints(session, checkpoint_dir)

    # New graph and session.
    with ops.Graph().as_default() as g:
      with self.test_session(graph=g) as session:
        with variable_scope.variable_scope("some_scope"):
          _ = variable_scope.get_variable("my1", [10, 10])
          _ = variable_scope.get_variable(
              "my2", [1, 10],
              dtype=dtypes.int64,
              initializer=init_ops.zeros_initializer())

        # No directory.
        with self.assertRaises(errors_impl.OpError):
          checkpoint_utils.init_from_checkpoint("no_dir",
                                                {"var1": "some_scope/my1"})

        # No variable in checkpoint.
        with self.assertRaises(ValueError):
          checkpoint_utils.init_from_checkpoint(checkpoint_dir,
                                                {"no_var": "some_scope/my1"})

        # No variable in the graph.
        with self.assertRaises(ValueError):
          checkpoint_utils.init_from_checkpoint(checkpoint_dir,
                                                {"var3": "some_scope/no_var"})

        # Shape mismatch.
        with self.assertRaises(ValueError):
          checkpoint_utils.init_from_checkpoint(checkpoint_dir,
                                                {"var1": "some_scope/my1"})

        # Variable 'my1' and 'my2' are missing in given checkpoint scope.
        with self.assertRaises(ValueError):
          checkpoint_utils.init_from_checkpoint(
              checkpoint_dir, {"useful_scope/": "some_scope/"})

        # Mapping is not to scope name.
        with self.assertRaises(ValueError):
          checkpoint_utils.init_from_checkpoint(checkpoint_dir,
                                                {"useful_scope": "some_scope/"})