code: def test_decode_runs(self):
      self.model.eval()
      training_tensors = self.dataset.as_tensor_dict()
      output_dict = self.model(**training_tensors)
      decode_output_dict = self.model.decode(output_dict)
      assert set(decode_output_dict.keys()) == set(
          [
              "spans",
              "class_probabilities",
              "trees",
              "tokens",
              "pos_tags",
              "num_spans",
              "loss",
          ]
      )
      metrics = self.model.get_metrics(reset=True)
      metric_keys = set(metrics.keys())
      assert "evalb_precision" in metric_keys
      assert "evalb_recall" in metric_keys
      assert "evalb_f1_measure" in metric_keys
  
file_path: magnitude/pymagnitude/third_party/allennlp/tests/models/constituency_parser_test.py
imports: from __future__ import division
  from __future__ import absolute_import
  from nltk import Tree
  import torch
  from allennlp.common.testing.model_test_case import ModelTestCase
  from allennlp.models.constituency_parser import SpanInformation
  from allennlp.training.metrics import EvalbBracketingScorer
label_desc: Use image node_id 6 for calling the SpanConstituencyParserTest obj's underlying member method code with example usage: obj.test_decode_runs() without return types