code: def test_take_action_gives_correct_next_states_with_non_lambda_productions(
      self,
  ):
      # state.take_action() doesn't read or change these objects, it just passes them through, so
      # we'll use some sentinels to be sure of that.
      valid_actions = object()
      action_indices = object()
  
      state = GrammarState(
          ["s"], {}, valid_actions, action_indices, is_nonterminal
      )
      next_state = state.take_action("s -> [t, r]")
      expected_next_state = GrammarState(
          ["r", "t"], {}, valid_actions, action_indices, is_nonterminal
      )
      assert next_state.__dict__ == expected_next_state.__dict__
  
      state = GrammarState(
          ["r", "t"], {}, valid_actions, action_indices, is_nonterminal
      )
      next_state = state.take_action("t -> identity")
      expected_next_state = GrammarState(
          ["r"], {}, valid_actions, action_indices, is_nonterminal
      )
      assert next_state.__dict__ == expected_next_state.__dict__
  
file_path: magnitude/pymagnitude/third_party/allennlp/tests/nn/decoding/grammar_state_test.py
imports: from __future__ import with_statement
  from __future__ import absolute_import
  import pytest
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.nn.decoding import GrammarState
label_desc: Use image node_id 5 for calling the TestGrammarState obj's underlying member method code with example usage: obj.test_take_action_gives_correct_next_states_with_non_lambda_productions() without return types