transformers/tests/test_modeling_tf_transfo_xl.py

578 lines
17 KiB
Python

# coding=utf-8
# Copyright 2020 The HuggingFace 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.
import random
import unittest
from transformers import TransfoXLConfig, is_tf_available
from transformers.testing_utils import require_tf, slow
from .test_configuration_common import ConfigTester
from .test_modeling_tf_common import TFModelTesterMixin, ids_tensor
if is_tf_available():
import tensorflow as tf
from transformers import (
TF_TRANSFO_XL_PRETRAINED_MODEL_ARCHIVE_LIST,
TFTransfoXLForSequenceClassification,
TFTransfoXLLMHeadModel,
TFTransfoXLModel,
)
class TFTransfoXLModelTester:
def __init__(
self,
parent,
):
self.parent = parent
self.batch_size = 13
self.seq_length = 7
self.mem_len = 30
self.key_length = self.seq_length + self.mem_len
self.clamp_len = 15
self.is_training = True
self.use_labels = True
self.vocab_size = 99
self.cutoffs = [10, 50, 80]
self.hidden_size = 32
self.d_embed = 32
self.num_attention_heads = 4
self.d_head = 8
self.d_inner = 128
self.div_val = 2
self.num_hidden_layers = 5
self.scope = None
self.seed = 1
self.eos_token_id = 0
self.num_labels = 3
self.pad_token_id = self.vocab_size - 1
self.init_range = 0.01
def prepare_config_and_inputs(self):
input_ids_1 = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
input_ids_2 = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
lm_labels = None
if self.use_labels:
lm_labels = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
config = TransfoXLConfig(
vocab_size=self.vocab_size,
mem_len=self.mem_len,
clamp_len=self.clamp_len,
cutoffs=self.cutoffs,
d_model=self.hidden_size,
d_embed=self.d_embed,
n_head=self.num_attention_heads,
d_head=self.d_head,
d_inner=self.d_inner,
div_val=self.div_val,
n_layer=self.num_hidden_layers,
eos_token_id=self.eos_token_id,
pad_token_id=self.vocab_size - 1,
init_range=self.init_range,
num_labels=self.num_labels,
)
return (config, input_ids_1, input_ids_2, lm_labels)
def set_seed(self):
random.seed(self.seed)
tf.random.set_seed(self.seed)
def create_and_check_transfo_xl_model(self, config, input_ids_1, input_ids_2, lm_labels):
model = TFTransfoXLModel(config)
hidden_states_1, mems_1 = model(input_ids_1).to_tuple()
inputs = {"input_ids": input_ids_2, "mems": mems_1}
hidden_states_2, mems_2 = model(inputs).to_tuple()
self.parent.assertEqual(hidden_states_1.shape, (self.batch_size, self.seq_length, self.hidden_size))
self.parent.assertEqual(hidden_states_2.shape, (self.batch_size, self.seq_length, self.hidden_size))
self.parent.assertListEqual(
[mem.shape for mem in mems_1],
[(self.mem_len, self.batch_size, self.hidden_size)] * self.num_hidden_layers,
)
self.parent.assertListEqual(
[mem.shape for mem in mems_2],
[(self.mem_len, self.batch_size, self.hidden_size)] * self.num_hidden_layers,
)
def create_and_check_transfo_xl_lm_head(self, config, input_ids_1, input_ids_2, lm_labels):
model = TFTransfoXLLMHeadModel(config)
lm_logits_1, mems_1 = model(input_ids_1).to_tuple()
inputs = {"input_ids": input_ids_1, "labels": lm_labels}
_, mems_1 = model(inputs).to_tuple()
lm_logits_2, mems_2 = model([input_ids_2, mems_1]).to_tuple()
inputs = {"input_ids": input_ids_1, "mems": mems_1, "labels": lm_labels}
_, mems_2 = model(inputs).to_tuple()
self.parent.assertEqual(lm_logits_1.shape, (self.batch_size, self.seq_length, self.vocab_size))
self.parent.assertListEqual(
[mem.shape for mem in mems_1],
[(self.mem_len, self.batch_size, self.hidden_size)] * self.num_hidden_layers,
)
self.parent.assertEqual(lm_logits_2.shape, (self.batch_size, self.seq_length, self.vocab_size))
self.parent.assertListEqual(
[mem.shape for mem in mems_2],
[(self.mem_len, self.batch_size, self.hidden_size)] * self.num_hidden_layers,
)
def create_and_check_transfo_xl_for_sequence_classification(self, config, input_ids_1, input_ids_2, lm_labels):
model = TFTransfoXLForSequenceClassification(config)
result = model(input_ids_1)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
def prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(config, input_ids_1, input_ids_2, lm_labels) = config_and_inputs
inputs_dict = {"input_ids": input_ids_1}
return config, inputs_dict
@require_tf
class TFTransfoXLModelTest(TFModelTesterMixin, unittest.TestCase):
all_model_classes = (
(TFTransfoXLModel, TFTransfoXLLMHeadModel, TFTransfoXLForSequenceClassification) if is_tf_available() else ()
)
all_generative_model_classes = () if is_tf_available() else ()
# TODO: add this test when TFTransfoXLLMHead has a linear output layer implemented
test_resize_embeddings = False
test_head_masking = False
test_onnx = False
def setUp(self):
self.model_tester = TFTransfoXLModelTester(self)
self.config_tester = ConfigTester(self, config_class=TransfoXLConfig, d_embed=37)
def test_config(self):
self.config_tester.run_common_tests()
def test_transfo_xl_model(self):
self.model_tester.set_seed()
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_transfo_xl_model(*config_and_inputs)
def test_transfo_xl_lm_head(self):
self.model_tester.set_seed()
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_transfo_xl_lm_head(*config_and_inputs)
def test_transfo_xl_sequence_classification_model(self):
config_and_inputs = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_transfo_xl_for_sequence_classification(*config_and_inputs)
def test_model_common_attributes(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
list_other_models_with_output_ebd = [TFTransfoXLForSequenceClassification]
for model_class in self.all_model_classes:
model = model_class(config)
assert isinstance(model.get_input_embeddings(), tf.keras.layers.Layer)
if model_class in list_other_models_with_output_ebd:
x = model.get_output_embeddings()
assert isinstance(x, tf.keras.layers.Layer)
name = model.get_bias()
assert name is None
else:
x = model.get_output_embeddings()
assert x is None
name = model.get_bias()
assert name is None
def test_xla_mode(self):
# TODO JP: Make TransfoXL XLA compliant
pass
@slow
def test_model_from_pretrained(self):
for model_name in TF_TRANSFO_XL_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
model = TFTransfoXLModel.from_pretrained(model_name)
self.assertIsNotNone(model)
@require_tf
class TFTransfoXLModelLanguageGenerationTest(unittest.TestCase):
@slow
def test_lm_generate_transfo_xl_wt103(self):
model = TFTransfoXLLMHeadModel.from_pretrained("transfo-xl-wt103")
input_ids = tf.convert_to_tensor(
[
[
33,
1297,
2,
1,
1009,
4,
1109,
11739,
4762,
358,
5,
25,
245,
22,
1706,
17,
20098,
5,
3215,
21,
37,
1110,
3,
13,
1041,
4,
24,
603,
490,
2,
71477,
20098,
104447,
2,
20961,
1,
2604,
4,
1,
329,
3,
6224,
831,
16002,
2,
8,
603,
78967,
29546,
23,
803,
20,
25,
416,
5,
8,
232,
4,
277,
6,
1855,
4601,
3,
29546,
54,
8,
3609,
5,
57211,
49,
4,
1,
277,
18,
8,
1755,
15691,
3,
341,
25,
416,
693,
42573,
71,
17,
401,
94,
31,
17919,
2,
29546,
7873,
18,
1,
435,
23,
11011,
755,
5,
5167,
3,
7983,
98,
84,
2,
29546,
3267,
8,
3609,
4,
1,
4865,
1075,
2,
6087,
71,
6,
346,
8,
5854,
3,
29546,
824,
1400,
1868,
2,
19,
160,
2,
311,
8,
5496,
2,
20920,
17,
25,
15097,
3,
24,
24,
0,
]
],
dtype=tf.int32,
)
# In 1991 , the remains of Russian Tsar Nicholas II and his family
# ( except for Alexei and Maria ) are discovered .
# The voice of Nicholas's young son , Tsarevich Alexei Nikolaevich , narrates the
# remainder of the story . 1883 Western Siberia ,
# a young Grigori Rasputin is asked by his father and a group of men to perform magic .
# Rasputin has a vision and denounces one of the men as a horse thief . Although his
# father initially slaps him for making such an accusation , Rasputin watches as the
# man is chased outside and beaten . Twenty years later , Rasputin sees a vision of
# the Virgin Mary , prompting him to become a priest . Rasputin quickly becomes famous ,
# with people , even a bishop , begging for his blessing . <eod> </s> <eos>
expected_output_ids = [
33,
1297,
2,
1,
1009,
4,
1109,
11739,
4762,
358,
5,
25,
245,
22,
1706,
17,
20098,
5,
3215,
21,
37,
1110,
3,
13,
1041,
4,
24,
603,
490,
2,
71477,
20098,
104447,
2,
20961,
1,
2604,
4,
1,
329,
3,
6224,
831,
16002,
2,
8,
603,
78967,
29546,
23,
803,
20,
25,
416,
5,
8,
232,
4,
277,
6,
1855,
4601,
3,
29546,
54,
8,
3609,
5,
57211,
49,
4,
1,
277,
18,
8,
1755,
15691,
3,
341,
25,
416,
693,
42573,
71,
17,
401,
94,
31,
17919,
2,
29546,
7873,
18,
1,
435,
23,
11011,
755,
5,
5167,
3,
7983,
98,
84,
2,
29546,
3267,
8,
3609,
4,
1,
4865,
1075,
2,
6087,
71,
6,
346,
8,
5854,
3,
29546,
824,
1400,
1868,
2,
19,
160,
2,
311,
8,
5496,
2,
20920,
17,
25,
15097,
3,
24,
24,
0,
33,
1,
1857,
2,
1,
1009,
4,
1109,
11739,
4762,
358,
5,
25,
245,
28,
1110,
3,
13,
1041,
4,
24,
603,
490,
2,
71477,
20098,
104447,
2,
20961,
1,
2604,
4,
1,
329,
3,
0,
]
# In 1991, the remains of Russian Tsar Nicholas II and his family (
# except for Alexei and Maria ) are discovered. The voice of young son,
# Tsarevich Alexei Nikolaevich, narrates the remainder of the story.
# 1883 Western Siberia, a young Grigori Rasputin is asked by his father
# and a group of men to perform magic. Rasputin has a vision and
# denounces one of the men as a horse thief. Although his father initially
# slaps him for making such an accusation, Rasputin watches as the man
# is chased outside and beaten. Twenty years later, Rasputin sees a vision
# of the Virgin Mary, prompting him to become a priest.
# Rasputin quickly becomes famous, with people, even a bishop, begging for
# his blessing. <unk> <unk> <eos> In the 1990s, the remains of Russian Tsar
# Nicholas II and his family were discovered. The voice of <unk> young son,
# Tsarevich Alexei Nikolaevich, narrates the remainder of the story.<eos>
output_ids = model.generate(input_ids, max_length=200, do_sample=False)
self.assertListEqual(output_ids[0].numpy().tolist(), expected_output_ids)