code: def check_encoder_decoder_model_generate(
      self, input_ids, config, decoder_config, **kwargs
  ):
      encoder_model, decoder_model = self.get_encoder_decoder_model(
          config, decoder_config
      )
      kwargs = {
          "encoder_model": encoder_model,
          "decoder_model": decoder_model,
      }
      enc_dec_model = (
          FlaxEncoderDecoderModel.from_encoder_decoder_pretrained(
              **kwargs
          )
      )
  
      pad_token_id = enc_dec_model.config.decoder.pad_token_id
      eos_token_id = enc_dec_model.config.decoder.eos_token_id
      decoder_start_token_id = (
          enc_dec_model.config.decoder.decoder_start_token_id
      )
  
      # Copied from generation.utils (GPT2 doesn't have `pad_token_id`)
      if pad_token_id is None and eos_token_id is not None:
          pad_token_id = eos_token_id
      if decoder_start_token_id is None:
          decoder_start_token_id = (
              enc_dec_model.config.decoder.bos_token_id
          )
  
      # Bert does not have a bos token id, so use pad_token_id instead
      # Copied from `test_modeling_encoder_decoder.py`
      if decoder_start_token_id is None:
          decoder_start_token_id = pad_token_id
  
      generated_output = enc_dec_model.generate(
          input_ids,
          pad_token_id=pad_token_id,
          eos_token_id=eos_token_id,
          decoder_start_token_id=decoder_start_token_id,
      )
      generated_sequences = generated_output.sequences
      self.assertEqual(
          generated_sequences.shape,
          (input_ids.shape[0],) + (decoder_config.max_length,),
      )
  
imports: import tempfile
  import unittest
  import numpy
  from transformers import is_flax_available, is_torch_available
  from transformers.testing_utils import is_pt_flax_cross_test, require_flax, slow, torch_device
  from ...test_modeling_flax_common import ids_tensor
  from ..bart.test_modeling_flax_bart import FlaxBartStandaloneDecoderModelTester
  from ..bert.test_modeling_flax_bert import FlaxBertModelTester
  from ..gpt2.test_modeling_flax_gpt2 import FlaxGPT2ModelTester
label_desc: Use image node_id 9 for calling the FlaxEncoderDecoderMixin obj's underlying member method code with example usage: obj.check_encoder_decoder_model_generate(input_ids, config, decoder_config) without return types