code: def test_evaluate(self):
      data = Reader().read("./tests/data.txt")
      bm = BaseMethod.from_splits(
          train_data=data[:-1], test_data=data[-1:]
      )
      model = MF(k=1, max_iter=0)
      result = bm.evaluate(model, metrics=[MAE()], user_based=False)
      result.__str__()
  
file_path: cornac/tests/cornac/eval_methods/test_base_method.py
imports: import unittest
  from cornac.eval_methods import BaseMethod
  from cornac.data import FeatureModality, TextModality, ReviewModality, ImageModality, SentimentModality
  from cornac.data import Dataset, Reader
  from cornac.metrics import MAE, AUC
  from cornac.models import MF
label_desc: Use image node_id 7 for calling the TestBaseMethod obj's underlying member method code with example usage: obj.test_evaluate() without return types