code: def test_base_generate(self):
      inputs = self.tokenizer(
          [self.src_text[0]], return_tensors="pt"
      ).to(torch_device)
      src_lan = self.tokenizer._convert_lang_code_special_format(
          "en_XX"
      )
      translated_tokens = self.model.generate(
          input_ids=inputs["input_ids"].to(torch_device),
          decoder_start_token_id=self.tokenizer.lang_code_to_id[
              src_lan
          ],
      )
      decoded = self.tokenizer.batch_decode(
          translated_tokens, skip_special_tokens=True
      )
      self.assertEqual(self.tgt_text[0], decoded[0])
  
imports: import copy
  import tempfile
  import unittest
  from transformers import PLBartConfig, is_torch_available
  from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, require_torch_fp16, slow, torch_device
  from transformers.utils import cached_property
  from ...generation.test_utils import GenerationTesterMixin
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, ids_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 1 for calling the PLBartBaseIntegrationTest obj's underlying member method code with example usage: obj.test_base_generate() without return types