code: def test_get_checklist_info(self):
      # Creating a fake all_actions field where actions 0, 2 and 4 are terminal productions.
      all_actions = [
          ("<o,o> -> top", True, None),
          ("fake_action", True, None),
          ("c -> color_black", True, None),
          ("fake_action2", True, None),
          ("e -> 6", True, None),
      ]
      # Of the actions above, those at indices 0 and 4 are on the agenda, and there are padding
      # indices at the end.
      test_agenda = torch.Tensor([[0], [4], [-1], [-1]])
      checklist_info = self.model._get_checklist_info(
          test_agenda, all_actions
      )
      (
          target_checklist,
          terminal_actions,
          checklist_mask,
      ) = checklist_info
      assert_almost_equal(
          target_checklist.data.numpy(), [[1], [0], [1]]
      )
      assert_almost_equal(
          terminal_actions.data.numpy(), [[0], [2], [4]]
      )
      assert_almost_equal(checklist_mask.data.numpy(), [[1], [1], [1]])
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  from numpy.testing import assert_almost_equal
  import torch
  from allennlp.common import Params
  from allennlp.common.testing import ModelTestCase
  from allennlp.data import Vocabulary
  from allennlp.data.iterators import EpochTrackingBucketIterator
  from allennlp.models import Model
  from allennlp.models.archival import load_archive
label_desc: Use image node_id 5 for calling the NlvrCoverageSemanticParserTest obj's underlying member method code with example usage: obj.test_get_checklist_info() without return types