transformers/tests/models/fnet/test_modeling_fnet.py

607 lines
26 KiB
Python

# coding=utf-8
# Copyright 2021 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Testing suite for the PyTorch FNet model."""
import unittest
from typing import Dict, List, Tuple
from transformers import FNetConfig, is_torch_available
from transformers.models.auto import get_values
from transformers.testing_utils import require_tokenizers, require_torch, slow, torch_device
from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
from ...test_pipeline_mixin import PipelineTesterMixin
if is_torch_available():
import torch
from transformers import (
MODEL_FOR_PRETRAINING_MAPPING,
FNetForMaskedLM,
FNetForMultipleChoice,
FNetForNextSentencePrediction,
FNetForPreTraining,
FNetForQuestionAnswering,
FNetForSequenceClassification,
FNetForTokenClassification,
FNetModel,
FNetTokenizerFast,
)
from transformers.models.fnet.modeling_fnet import (
FNetBasicFourierTransform,
is_scipy_available,
)
# Override ConfigTester
class FNetConfigTester(ConfigTester):
def create_and_test_config_common_properties(self):
config = self.config_class(**self.inputs_dict)
if self.has_text_modality:
self.parent.assertTrue(hasattr(config, "vocab_size"))
self.parent.assertTrue(hasattr(config, "hidden_size"))
self.parent.assertTrue(hasattr(config, "num_hidden_layers"))
class FNetModelTester:
def __init__(
self,
parent,
batch_size=13,
seq_length=7,
is_training=True,
use_token_type_ids=True,
use_labels=True,
vocab_size=99,
hidden_size=32,
num_hidden_layers=2,
intermediate_size=37,
hidden_act="gelu",
hidden_dropout_prob=0.1,
max_position_embeddings=512,
type_vocab_size=16,
type_sequence_label_size=2,
initializer_range=0.02,
num_labels=3,
num_choices=4,
scope=None,
):
self.parent = parent
self.batch_size = batch_size
self.seq_length = seq_length
self.is_training = is_training
self.use_token_type_ids = use_token_type_ids
self.use_labels = use_labels
self.vocab_size = vocab_size
self.hidden_size = hidden_size
self.num_hidden_layers = num_hidden_layers
self.intermediate_size = intermediate_size
self.hidden_act = hidden_act
self.hidden_dropout_prob = hidden_dropout_prob
self.max_position_embeddings = max_position_embeddings
self.type_vocab_size = type_vocab_size
self.type_sequence_label_size = type_sequence_label_size
self.initializer_range = initializer_range
self.num_labels = num_labels
self.num_choices = num_choices
self.scope = scope
def prepare_config_and_inputs(self):
input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
token_type_ids = None
if self.use_token_type_ids:
token_type_ids = ids_tensor([self.batch_size, self.seq_length], self.type_vocab_size)
sequence_labels = None
token_labels = None
choice_labels = None
if self.use_labels:
sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size)
token_labels = ids_tensor([self.batch_size, self.seq_length], self.num_labels)
choice_labels = ids_tensor([self.batch_size], self.num_choices)
config = self.get_config()
return config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
def get_config(self):
return FNetConfig(
vocab_size=self.vocab_size,
hidden_size=self.hidden_size,
num_hidden_layers=self.num_hidden_layers,
intermediate_size=self.intermediate_size,
hidden_act=self.hidden_act,
hidden_dropout_prob=self.hidden_dropout_prob,
max_position_embeddings=self.max_position_embeddings,
type_vocab_size=self.type_vocab_size,
initializer_range=self.initializer_range,
tpu_short_seq_length=self.seq_length,
)
@require_torch
def create_and_check_fourier_transform(self, config):
hidden_states = floats_tensor([self.batch_size, self.seq_length, config.hidden_size])
transform = FNetBasicFourierTransform(config)
fftn_output = transform(hidden_states)
config.use_tpu_fourier_optimizations = True
if is_scipy_available():
transform = FNetBasicFourierTransform(config)
dft_output = transform(hidden_states)
config.max_position_embeddings = 4097
transform = FNetBasicFourierTransform(config)
fft_output = transform(hidden_states)
if is_scipy_available():
self.parent.assertTrue(torch.allclose(fftn_output[0][0], dft_output[0][0], atol=1e-4))
self.parent.assertTrue(torch.allclose(fft_output[0][0], dft_output[0][0], atol=1e-4))
self.parent.assertTrue(torch.allclose(fftn_output[0][0], fft_output[0][0], atol=1e-4))
def create_and_check_model(self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels):
model = FNetModel(config=config)
model.to(torch_device)
model.eval()
result = model(input_ids, token_type_ids=token_type_ids)
result = model(input_ids)
self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.seq_length, self.hidden_size))
def create_and_check_for_pretraining(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
model = FNetForPreTraining(config=config)
model.to(torch_device)
model.eval()
result = model(
input_ids,
token_type_ids=token_type_ids,
labels=token_labels,
next_sentence_label=sequence_labels,
)
self.parent.assertEqual(result.prediction_logits.shape, (self.batch_size, self.seq_length, self.vocab_size))
self.parent.assertEqual(result.seq_relationship_logits.shape, (self.batch_size, 2))
def create_and_check_for_masked_lm(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
model = FNetForMaskedLM(config=config)
model.to(torch_device)
model.eval()
result = model(input_ids, token_type_ids=token_type_ids, labels=token_labels)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.vocab_size))
def create_and_check_for_next_sentence_prediction(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
model = FNetForNextSentencePrediction(config=config)
model.to(torch_device)
model.eval()
result = model(
input_ids,
token_type_ids=token_type_ids,
next_sentence_label=sequence_labels,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, 2))
def create_and_check_for_question_answering(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
model = FNetForQuestionAnswering(config=config)
model.to(torch_device)
model.eval()
result = model(
input_ids,
token_type_ids=token_type_ids,
start_positions=sequence_labels,
end_positions=sequence_labels,
)
self.parent.assertEqual(result.start_logits.shape, (self.batch_size, self.seq_length))
self.parent.assertEqual(result.end_logits.shape, (self.batch_size, self.seq_length))
def create_and_check_for_sequence_classification(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
config.num_labels = self.num_labels
model = FNetForSequenceClassification(config)
model.to(torch_device)
model.eval()
result = model(input_ids, token_type_ids=token_type_ids, labels=sequence_labels)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
def create_and_check_for_token_classification(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
config.num_labels = self.num_labels
model = FNetForTokenClassification(config=config)
model.to(torch_device)
model.eval()
result = model(input_ids, token_type_ids=token_type_ids, labels=token_labels)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.num_labels))
def create_and_check_for_multiple_choice(
self, config, input_ids, token_type_ids, sequence_labels, token_labels, choice_labels
):
config.num_choices = self.num_choices
model = FNetForMultipleChoice(config=config)
model.to(torch_device)
model.eval()
multiple_choice_inputs_ids = input_ids.unsqueeze(1).expand(-1, self.num_choices, -1).contiguous()
multiple_choice_token_type_ids = token_type_ids.unsqueeze(1).expand(-1, self.num_choices, -1).contiguous()
result = model(
multiple_choice_inputs_ids,
token_type_ids=multiple_choice_token_type_ids,
labels=choice_labels,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_choices))
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(
config,
input_ids,
token_type_ids,
sequence_labels,
token_labels,
choice_labels,
) = config_and_inputs
inputs_dict = {"input_ids": input_ids, "token_type_ids": token_type_ids}
return config, inputs_dict
@require_torch
class FNetModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
all_model_classes = (
(
FNetModel,
FNetForPreTraining,
FNetForMaskedLM,
FNetForNextSentencePrediction,
FNetForMultipleChoice,
FNetForQuestionAnswering,
FNetForSequenceClassification,
FNetForTokenClassification,
)
if is_torch_available()
else ()
)
pipeline_model_mapping = (
{
"feature-extraction": FNetModel,
"fill-mask": FNetForMaskedLM,
"question-answering": FNetForQuestionAnswering,
"text-classification": FNetForSequenceClassification,
"token-classification": FNetForTokenClassification,
"zero-shot": FNetForSequenceClassification,
}
if is_torch_available()
else {}
)
# Skip Tests
test_pruning = False
test_head_masking = False
test_pruning = False
# TODO: Fix the failed tests
def is_pipeline_test_to_skip(
self, pipeline_test_casse_name, config_class, model_architecture, tokenizer_name, processor_name
):
if pipeline_test_casse_name == "QAPipelineTests" and not tokenizer_name.endswith("Fast"):
return True
return False
# special case for ForPreTraining model
def _prepare_for_class(self, inputs_dict, model_class, return_labels=False):
inputs_dict = super()._prepare_for_class(inputs_dict, model_class, return_labels=return_labels)
if return_labels:
if model_class in get_values(MODEL_FOR_PRETRAINING_MAPPING):
inputs_dict["labels"] = torch.zeros(
(self.model_tester.batch_size, self.model_tester.seq_length), dtype=torch.long, device=torch_device
)
inputs_dict["next_sentence_label"] = torch.zeros(
self.model_tester.batch_size, dtype=torch.long, device=torch_device
)
return inputs_dict
# Overriden Tests
def test_attention_outputs(self):
pass
@unittest.skip(
reason="This architecure seem to not compute gradients properly when using GC, check: https://github.com/huggingface/transformers/pull/27124"
)
def test_training_gradient_checkpointing(self):
pass
@unittest.skip(
reason="This architecure seem to not compute gradients properly when using GC, check: https://github.com/huggingface/transformers/pull/27124"
)
def test_training_gradient_checkpointing_use_reentrant(self):
pass
@unittest.skip(
reason="This architecure seem to not compute gradients properly when using GC, check: https://github.com/huggingface/transformers/pull/27124"
)
def test_training_gradient_checkpointing_use_reentrant_false(self):
pass
def test_model_outputs_equivalence(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
def set_nan_tensor_to_zero(t):
t[t != t] = 0
return t
def check_equivalence(model, tuple_inputs, dict_inputs, additional_kwargs={}):
with torch.no_grad():
tuple_output = model(**tuple_inputs, return_dict=False, **additional_kwargs)
dict_output = model(**dict_inputs, return_dict=True, **additional_kwargs).to_tuple()
def recursive_check(tuple_object, dict_object):
if isinstance(tuple_object, (List, Tuple)):
for tuple_iterable_value, dict_iterable_value in zip(tuple_object, dict_object):
recursive_check(tuple_iterable_value, dict_iterable_value)
elif isinstance(tuple_object, Dict):
for tuple_iterable_value, dict_iterable_value in zip(
tuple_object.values(), dict_object.values()
):
recursive_check(tuple_iterable_value, dict_iterable_value)
elif tuple_object is None:
return
else:
self.assertTrue(
torch.allclose(
set_nan_tensor_to_zero(tuple_object), set_nan_tensor_to_zero(dict_object), atol=1e-5
),
msg=(
"Tuple and dict output are not equal. Difference:"
f" {torch.max(torch.abs(tuple_object - dict_object))}. Tuple has `nan`:"
f" {torch.isnan(tuple_object).any()} and `inf`: {torch.isinf(tuple_object)}. Dict has"
f" `nan`: {torch.isnan(dict_object).any()} and `inf`: {torch.isinf(dict_object)}."
),
)
recursive_check(tuple_output, dict_output)
for model_class in self.all_model_classes:
model = model_class(config)
model.to(torch_device)
model.eval()
tuple_inputs = self._prepare_for_class(inputs_dict, model_class)
dict_inputs = self._prepare_for_class(inputs_dict, model_class)
check_equivalence(model, tuple_inputs, dict_inputs)
tuple_inputs = self._prepare_for_class(inputs_dict, model_class, return_labels=True)
dict_inputs = self._prepare_for_class(inputs_dict, model_class, return_labels=True)
check_equivalence(model, tuple_inputs, dict_inputs)
# tuple_inputs = self._prepare_for_class(inputs_dict, model_class)
# dict_inputs = self._prepare_for_class(inputs_dict, model_class)
# check_equivalence(model, tuple_inputs, dict_inputs, {"output_hidden_states": True})
tuple_inputs = self._prepare_for_class(inputs_dict, model_class, return_labels=True)
dict_inputs = self._prepare_for_class(inputs_dict, model_class, return_labels=True)
check_equivalence(model, tuple_inputs, dict_inputs, {"output_hidden_states": True})
def test_retain_grad_hidden_states_attentions(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
config.output_hidden_states = True
config.output_attentions = True
# no need to test all models as different heads yield the same functionality
model_class = self.all_model_classes[0]
model = model_class(config)
model.to(torch_device)
inputs = self._prepare_for_class(inputs_dict, model_class)
outputs = model(**inputs)
output = outputs[0]
hidden_states = outputs.hidden_states[0]
hidden_states.retain_grad()
output.flatten()[0].backward(retain_graph=True)
self.assertIsNotNone(hidden_states.grad)
def setUp(self):
self.model_tester = FNetModelTester(self)
self.config_tester = FNetConfigTester(self, config_class=FNetConfig, hidden_size=37)
def test_config(self):
self.config_tester.run_common_tests()
def test_model(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_model(*config_and_inputs)
def test_for_pretraining(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_pretraining(*config_and_inputs)
def test_for_masked_lm(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_masked_lm(*config_and_inputs)
def test_for_multiple_choice(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_multiple_choice(*config_and_inputs)
def test_for_question_answering(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_question_answering(*config_and_inputs)
def test_for_sequence_classification(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_sequence_classification(*config_and_inputs)
def test_for_token_classification(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_token_classification(*config_and_inputs)
@slow
def test_model_from_pretrained(self):
model_name = "google/fnet-base"
model = FNetModel.from_pretrained(model_name)
self.assertIsNotNone(model)
@require_torch
class FNetModelIntegrationTest(unittest.TestCase):
@slow
def test_inference_for_masked_lm(self):
"""
For comparison:
1. Modify the pre-training model `__call__` to skip computing metrics and return masked_lm_output like so:
```
...
sequence_output, pooled_output = EncoderModel(
self.config, random_seed=self.random_seed, name="encoder")(
input_ids, input_mask, type_ids, deterministic=deterministic)
masked_lm_output = nn.Dense(
self.config.d_emb,
kernel_init=default_kernel_init,
name="predictions_dense")(
sequence_output)
masked_lm_output = nn.gelu(masked_lm_output)
masked_lm_output = nn.LayerNorm(
epsilon=LAYER_NORM_EPSILON, name="predictions_layer_norm")(
masked_lm_output)
masked_lm_logits = layers.OutputProjection(
kernel=self._get_embedding_table(), name="predictions_output")(
masked_lm_output)
next_sentence_logits = layers.OutputProjection(
n_out=2, kernel_init=default_kernel_init, name="classification")(
pooled_output)
return masked_lm_logits
...
```
2. Run the following:
>>> import jax.numpy as jnp
>>> import sentencepiece as spm
>>> from flax.training import checkpoints
>>> from f_net.models import PreTrainingModel
>>> from f_net.configs.pretraining import get_config, ModelArchitecture
>>> pretrained_params = checkpoints.restore_checkpoint('./f_net/f_net_checkpoint', None) # Location of original checkpoint
>>> pretrained_config = get_config()
>>> pretrained_config.model_arch = ModelArchitecture.F_NET
>>> vocab_filepath = "./f_net/c4_bpe_sentencepiece.model" # Location of the sentence piece model
>>> tokenizer = spm.SentencePieceProcessor()
>>> tokenizer.Load(vocab_filepath)
>>> with pretrained_config.unlocked():
>>> pretrained_config.vocab_size = tokenizer.GetPieceSize()
>>> tokens = jnp.array([[0, 1, 2, 3, 4, 5]])
>>> type_ids = jnp.zeros_like(tokens, dtype="i4")
>>> attention_mask = jnp.ones_like(tokens) # Dummy. This gets deleted inside the model.
>>> flax_pretraining_model = PreTrainingModel(pretrained_config)
>>> pretrained_model_params = freeze(pretrained_params['target'])
>>> flax_model_outputs = flax_pretraining_model.apply({"params": pretrained_model_params}, tokens, attention_mask, type_ids, None, None, None, None, deterministic=True)
>>> masked_lm_logits[:, :3, :3]
"""
model = FNetForMaskedLM.from_pretrained("google/fnet-base")
model.to(torch_device)
input_ids = torch.tensor([[0, 1, 2, 3, 4, 5]], device=torch_device)
with torch.no_grad():
output = model(input_ids)[0]
vocab_size = 32000
expected_shape = torch.Size((1, 6, vocab_size))
self.assertEqual(output.shape, expected_shape)
expected_slice = torch.tensor(
[[[-1.7819, -7.7384, -7.5002], [-3.4746, -8.5943, -7.7762], [-3.2052, -9.0771, -8.3468]]],
device=torch_device,
)
self.assertTrue(torch.allclose(output[:, :3, :3], expected_slice, atol=1e-4))
@slow
@require_tokenizers
def test_inference_long_sentence(self):
tokenizer = FNetTokenizerFast.from_pretrained("google/fnet-base")
inputs = tokenizer(
"the man worked as a [MASK].",
"this is his [MASK].",
return_tensors="pt",
padding="max_length",
max_length=512,
)
torch.testing.assert_close(inputs["input_ids"], torch.tensor([[4, 13, 283, 2479, 106, 8, 6, 845, 5, 168, 65, 367, 6, 845, 5, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3, 3, 3, 3, 3, 3, 3, 3, 3, 3,3]])) # fmt: skip
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
model = FNetForMaskedLM.from_pretrained("google/fnet-base")
model.to(torch_device)
logits = model(**inputs).logits
predictions_mask_1 = tokenizer.decode(logits[0, 6].topk(5).indices)
predictions_mask_2 = tokenizer.decode(logits[0, 12].topk(5).indices)
self.assertEqual(predictions_mask_1.split(" "), ["man", "child", "teacher", "woman", "model"])
self.assertEqual(predictions_mask_2.split(" "), ["work", "wife", "job", "story", "name"])
@slow
def test_inference_for_next_sentence_prediction(self):
model = FNetForNextSentencePrediction.from_pretrained("google/fnet-base")
model.to(torch_device)
input_ids = torch.tensor([[0, 1, 2, 3, 4, 5]], device=torch_device)
with torch.no_grad():
output = model(input_ids)[0]
expected_shape = torch.Size((1, 2))
self.assertEqual(output.shape, expected_shape)
expected_slice = torch.tensor([[-0.2234, -0.0226]], device=torch_device)
self.assertTrue(torch.allclose(output, expected_slice, atol=1e-4))
@slow
def test_inference_model(self):
model = FNetModel.from_pretrained("google/fnet-base")
model.to(torch_device)
input_ids = torch.tensor([[0, 1, 2, 3, 4, 5]], device=torch_device)
with torch.no_grad():
output = model(input_ids)[0]
expected_shape = torch.Size((1, 6, model.config.hidden_size))
self.assertEqual(output.shape, expected_shape)
expected_slice = torch.tensor(
[[[4.1541, -0.1051, -0.1667], [-0.9144, 0.2939, -0.0086], [-0.8472, -0.7281, 0.0256]]], device=torch_device
)
self.assertTrue(torch.allclose(output[:, :3, :3], expected_slice, atol=1e-4))