code: def test_TACREVProcessor():
      dataset_name = "TACREV"
      dataset_path = os.path.join(base_path, dataset_name)
      processor = PROCESSORS[dataset_name.lower()]()
      train_dataset = processor.get_train_examples(dataset_path)
      dev_dataset = processor.get_dev_examples(dataset_path)
      test_dataset = processor.get_test_examples(dataset_path)
      assert processor.get_num_labels() == 42
      assert processor.get_labels() == [
          "no_relation",
          "org:founded",
          "org:subsidiaries",
          "per:date_of_birth",
          "per:cause_of_death",
          "per:age",
          "per:stateorprovince_of_birth",
          "per:countries_of_residence",
          "per:country_of_birth",
          "per:stateorprovinces_of_residence",
          "org:website",
          "per:cities_of_residence",
          "per:parents",
          "per:employee_of",
          "per:city_of_birth",
          "org:parents",
          "org:political/religious_affiliation",
          "per:schools_attended",
          "per:country_of_death",
          "per:children",
          "org:top_members/employees",
          "per:date_of_death",
          "org:members",
          "org:alternate_names",
          "per:religion",
          "org:member_of",
          "org:city_of_headquarters",
          "per:origin",
          "org:shareholders",
          "per:charges",
          "per:title",
          "org:number_of_employees/members",
          "org:dissolved",
          "org:country_of_headquarters",
          "per:alternate_names",
          "per:siblings",
          "org:stateorprovince_of_headquarters",
          "per:spouse",
          "per:other_family",
          "per:city_of_death",
          "per:stateorprovince_of_death",
          "org:founded_by",
      ]
      assert len(train_dataset) == 68124
      assert len(dev_dataset) == 22631
      assert len(test_dataset) == 15509
  
file_path: OpenPrompt/test/test_data_processor/test_relation_classification_dataset.py
imports: import os, sys
  from os.path import dirname
  from os.path import abspath, join
  from openprompt.data_utils.relation_classification_dataset import PROCESSORS
label_desc: Use image node_id 2 for calling a global function with example usage: test_TACREVProcessor() without return types