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# coding=utf-8
# Copyright 2022 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 TensorFlow LayoutLMv3 model. """
from __future__ import annotations
import copy
import inspect
import unittest
import numpy as np
from transformers import is_tf_available, is_vision_available
from transformers.models.auto import get_values
from transformers.testing_utils import require_tf, slow
from transformers.utils import cached_property
from ...test_configuration_common import ConfigTester
from ...test_modeling_tf_common import TFModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin
if is_tf_available():
import tensorflow as tf
from transformers import (
TF_LAYOUTLMV3_PRETRAINED_MODEL_ARCHIVE_LIST,
TF_MODEL_FOR_MULTIPLE_CHOICE_MAPPING,
TF_MODEL_FOR_QUESTION_ANSWERING_MAPPING,
TF_MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING,
TF_MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING,
LayoutLMv3Config,
TFLayoutLMv3ForQuestionAnswering,
TFLayoutLMv3ForSequenceClassification,
TFLayoutLMv3ForTokenClassification,
TFLayoutLMv3Model,
)
if is_vision_available():
from PIL import Image
from transformers import LayoutLMv3ImageProcessor
class TFLayoutLMv3ModelTester:
def __init__(
self,
parent,
batch_size=2,
num_channels=3,
image_size=4,
patch_size=2,
text_seq_length=7,
is_training=True,
use_input_mask=True,
use_token_type_ids=True,
use_labels=True,
vocab_size=99,
hidden_size=36,
num_hidden_layers=2,
num_attention_heads=4,
intermediate_size=37,
hidden_act="gelu",
hidden_dropout_prob=0.1,
attention_probs_dropout_prob=0.1,
max_position_embeddings=512,
type_vocab_size=16,
type_sequence_label_size=2,
initializer_range=0.02,
coordinate_size=6,
shape_size=6,
num_labels=3,
num_choices=4,
scope=None,
range_bbox=1000,
):
self.parent = parent
self.batch_size = batch_size
self.num_channels = num_channels
self.image_size = image_size
self.patch_size = patch_size
self.is_training = is_training
self.use_input_mask = use_input_mask
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.num_attention_heads = num_attention_heads
self.intermediate_size = intermediate_size
self.hidden_act = hidden_act
self.hidden_dropout_prob = hidden_dropout_prob
self.attention_probs_dropout_prob = attention_probs_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.coordinate_size = coordinate_size
self.shape_size = shape_size
self.num_labels = num_labels
self.num_choices = num_choices
self.scope = scope
self.range_bbox = range_bbox
# LayoutLMv3's sequence length equals the number of text tokens + number of patches + 1 (we add 1 for the CLS token)
self.text_seq_length = text_seq_length
self.image_seq_length = (image_size // patch_size) ** 2 + 1
self.seq_length = self.text_seq_length + self.image_seq_length
def prepare_config_and_inputs(self):
input_ids = ids_tensor([self.batch_size, self.text_seq_length], self.vocab_size)
bbox = ids_tensor([self.batch_size, self.text_seq_length, 4], self.range_bbox)
bbox = bbox.numpy()
# Ensure that bbox is legal
for i in range(bbox.shape[0]):
for j in range(bbox.shape[1]):
if bbox[i, j, 3] < bbox[i, j, 1]:
tmp_coordinate = bbox[i, j, 3]
bbox[i, j, 3] = bbox[i, j, 1]
bbox[i, j, 1] = tmp_coordinate
if bbox[i, j, 2] < bbox[i, j, 0]:
tmp_coordinate = bbox[i, j, 2]
bbox[i, j, 2] = bbox[i, j, 0]
bbox[i, j, 0] = tmp_coordinate
bbox = tf.constant(bbox)
pixel_values = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size])
input_mask = None
if self.use_input_mask:
input_mask = random_attention_mask([self.batch_size, self.text_seq_length])
token_type_ids = None
if self.use_token_type_ids:
token_type_ids = ids_tensor([self.batch_size, self.text_seq_length], self.type_vocab_size)
sequence_labels = None
token_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.text_seq_length], self.num_labels)
config = LayoutLMv3Config(
vocab_size=self.vocab_size,
hidden_size=self.hidden_size,
num_hidden_layers=self.num_hidden_layers,
num_attention_heads=self.num_attention_heads,
intermediate_size=self.intermediate_size,
hidden_act=self.hidden_act,
hidden_dropout_prob=self.hidden_dropout_prob,
attention_probs_dropout_prob=self.attention_probs_dropout_prob,
max_position_embeddings=self.max_position_embeddings,
type_vocab_size=self.type_vocab_size,
initializer_range=self.initializer_range,
coordinate_size=self.coordinate_size,
shape_size=self.shape_size,
input_size=self.image_size,
patch_size=self.patch_size,
)
return config, input_ids, bbox, pixel_values, token_type_ids, input_mask, sequence_labels, token_labels
def create_and_check_model(self, config, input_ids, bbox, pixel_values, token_type_ids, input_mask):
model = TFLayoutLMv3Model(config=config)
# text + image
result = model(input_ids, pixel_values=pixel_values, training=False)
result = model(
input_ids,
bbox=bbox,
pixel_values=pixel_values,
attention_mask=input_mask,
token_type_ids=token_type_ids,
training=False,
)
result = model(input_ids, bbox=bbox, pixel_values=pixel_values, training=False)
self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.seq_length, self.hidden_size))
# text only
result = model(input_ids, training=False)
self.parent.assertEqual(
result.last_hidden_state.shape, (self.batch_size, self.text_seq_length, self.hidden_size)
)
# image only
result = model({"pixel_values": pixel_values}, training=False)
self.parent.assertEqual(
result.last_hidden_state.shape, (self.batch_size, self.image_seq_length, self.hidden_size)
)
def create_and_check_for_sequence_classification(
self, config, input_ids, bbox, pixel_values, token_type_ids, input_mask, sequence_labels
):
config.num_labels = self.num_labels
model = TFLayoutLMv3ForSequenceClassification(config=config)
result = model(
input_ids,
bbox=bbox,
pixel_values=pixel_values,
attention_mask=input_mask,
token_type_ids=token_type_ids,
labels=sequence_labels,
training=False,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
def create_and_check_for_token_classification(
self, config, input_ids, bbox, pixel_values, token_type_ids, input_mask, token_labels
):
config.num_labels = self.num_labels
model = TFLayoutLMv3ForTokenClassification(config=config)
result = model(
input_ids,
bbox=bbox,
pixel_values=pixel_values,
attention_mask=input_mask,
token_type_ids=token_type_ids,
labels=token_labels,
training=False,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.text_seq_length, self.num_labels))
def create_and_check_for_question_answering(
self, config, input_ids, bbox, pixel_values, token_type_ids, input_mask, sequence_labels
):
config.num_labels = 2
model = TFLayoutLMv3ForQuestionAnswering(config=config)
result = model(
input_ids,
bbox=bbox,
pixel_values=pixel_values,
attention_mask=input_mask,
token_type_ids=token_type_ids,
start_positions=sequence_labels,
end_positions=sequence_labels,
training=False,
)
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 prepare_config_and_inputs_for_common(self):
config_and_inputs = self.prepare_config_and_inputs()
(config, input_ids, bbox, pixel_values, token_type_ids, input_mask, _, _) = config_and_inputs
inputs_dict = {
"input_ids": input_ids,
"bbox": bbox,
"pixel_values": pixel_values,
"token_type_ids": token_type_ids,
"attention_mask": input_mask,
}
return config, inputs_dict
@require_tf
class TFLayoutLMv3ModelTest(TFModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
all_model_classes = (
(
TFLayoutLMv3Model,
TFLayoutLMv3ForQuestionAnswering,
TFLayoutLMv3ForSequenceClassification,
TFLayoutLMv3ForTokenClassification,
)
if is_tf_available()
else ()
)
pipeline_model_mapping = (
{"document-question-answering": TFLayoutLMv3ForQuestionAnswering, "feature-extraction": TFLayoutLMv3Model}
if is_tf_available()
else {}
)
test_pruning = False
test_resize_embeddings = False
test_onnx = 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
):
return True
def _prepare_for_class(self, inputs_dict, model_class, return_labels=False) -> dict:
inputs_dict = copy.deepcopy(inputs_dict)
if model_class in get_values(TF_MODEL_FOR_MULTIPLE_CHOICE_MAPPING):
inputs_dict = {
k: tf.tile(tf.expand_dims(v, 1), (1, self.model_tester.num_choices) + (1,) * (v.ndim - 1))
if isinstance(v, tf.Tensor) and v.ndim > 0
else v
for k, v in inputs_dict.items()
}
if return_labels:
if model_class in get_values(TF_MODEL_FOR_MULTIPLE_CHOICE_MAPPING):
inputs_dict["labels"] = tf.ones(self.model_tester.batch_size, dtype=tf.int32)
elif model_class in get_values(TF_MODEL_FOR_QUESTION_ANSWERING_MAPPING):
inputs_dict["start_positions"] = tf.zeros(self.model_tester.batch_size, dtype=tf.int32)
inputs_dict["end_positions"] = tf.zeros(self.model_tester.batch_size, dtype=tf.int32)
elif model_class in get_values(TF_MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING):
inputs_dict["labels"] = tf.zeros(self.model_tester.batch_size, dtype=tf.int32)
elif model_class in get_values(TF_MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING):
inputs_dict["labels"] = tf.zeros(
(self.model_tester.batch_size, self.model_tester.text_seq_length), dtype=tf.int32
)
return inputs_dict
def setUp(self):
self.model_tester = TFLayoutLMv3ModelTester(self)
self.config_tester = ConfigTester(self, config_class=LayoutLMv3Config, hidden_size=37)
def test_config(self):
self.config_tester.run_common_tests()
def test_loss_computation(self):
config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
for model_class in self.all_model_classes:
model = model_class(config)
if getattr(model, "hf_compute_loss", None):
# The number of elements in the loss should be the same as the number of elements in the label
prepared_for_class = self._prepare_for_class(inputs_dict.copy(), model_class, return_labels=True)
added_label = prepared_for_class[
sorted(prepared_for_class.keys() - inputs_dict.keys(), reverse=True)[0]
]
expected_loss_size = added_label.shape.as_list()[:1]
# Test that model correctly compute the loss with kwargs
prepared_for_class = self._prepare_for_class(inputs_dict.copy(), model_class, return_labels=True)
input_ids = prepared_for_class.pop("input_ids")
loss = model(input_ids, **prepared_for_class)[0]
self.assertTrue(loss.shape.as_list() == expected_loss_size or loss.shape.as_list() == [1])
# Test that model correctly compute the loss when we mask some positions
prepared_for_class = self._prepare_for_class(inputs_dict.copy(), model_class, return_labels=True)
input_ids = prepared_for_class.pop("input_ids")
if "labels" in prepared_for_class:
labels = prepared_for_class["labels"].numpy()
if len(labels.shape) > 1 and labels.shape[1] != 1:
labels[0] = -100
prepared_for_class["labels"] = tf.convert_to_tensor(labels)
loss = model(input_ids, **prepared_for_class)[0]
self.assertTrue(loss.shape.as_list() == expected_loss_size or loss.shape.as_list() == [1])
self.assertTrue(not np.any(np.isnan(loss.numpy())))
# Test that model correctly compute the loss with a dict
prepared_for_class = self._prepare_for_class(inputs_dict.copy(), model_class, return_labels=True)
loss = model(prepared_for_class)[0]
self.assertTrue(loss.shape.as_list() == expected_loss_size or loss.shape.as_list() == [1])
# Test that model correctly compute the loss with a tuple
prepared_for_class = self._prepare_for_class(inputs_dict.copy(), model_class, return_labels=True)
# Get keys that were added with the _prepare_for_class function
label_keys = prepared_for_class.keys() - inputs_dict.keys()
signature = inspect.signature(model.call).parameters
signature_names = list(signature.keys())
# Create a dictionary holding the location of the tensors in the tuple
tuple_index_mapping = {0: "input_ids"}
for label_key in label_keys:
label_key_index = signature_names.index(label_key)
tuple_index_mapping[label_key_index] = label_key
sorted_tuple_index_mapping = sorted(tuple_index_mapping.items())
# Initialize a list with their default values, update the values and convert to a tuple
list_input = []
for name in signature_names:
if name != "kwargs":
list_input.append(signature[name].default)
for index, value in sorted_tuple_index_mapping:
list_input[index] = prepared_for_class[value]
tuple_input = tuple(list_input)
# Send to model
loss = model(tuple_input[:-1])[0]
self.assertTrue(loss.shape.as_list() == expected_loss_size or loss.shape.as_list() == [1])
def test_model(self):
(
config,
input_ids,
bbox,
pixel_values,
token_type_ids,
input_mask,
_,
_,
) = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_model(config, input_ids, bbox, pixel_values, token_type_ids, input_mask)
def test_model_various_embeddings(self):
(
config,
input_ids,
bbox,
pixel_values,
token_type_ids,
input_mask,
_,
_,
) = self.model_tester.prepare_config_and_inputs()
for type in ["absolute", "relative_key", "relative_key_query"]:
config.position_embedding_type = type
self.model_tester.create_and_check_model(config, input_ids, bbox, pixel_values, token_type_ids, input_mask)
def test_for_sequence_classification(self):
(
config,
input_ids,
bbox,
pixel_values,
token_type_ids,
input_mask,
sequence_labels,
_,
) = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_sequence_classification(
config, input_ids, bbox, pixel_values, token_type_ids, input_mask, sequence_labels
)
def test_for_token_classification(self):
(
config,
input_ids,
bbox,
pixel_values,
token_type_ids,
input_mask,
_,
token_labels,
) = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_token_classification(
config, input_ids, bbox, pixel_values, token_type_ids, input_mask, token_labels
)
def test_for_question_answering(self):
(
config,
input_ids,
bbox,
pixel_values,
token_type_ids,
input_mask,
sequence_labels,
_,
) = self.model_tester.prepare_config_and_inputs()
self.model_tester.create_and_check_for_question_answering(
config, input_ids, bbox, pixel_values, token_type_ids, input_mask, sequence_labels
)
@slow
def test_model_from_pretrained(self):
for model_name in TF_LAYOUTLMV3_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
model = TFLayoutLMv3Model.from_pretrained(model_name)
self.assertIsNotNone(model)
# We will verify our results on an image of cute cats
def prepare_img():
image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
return image
@require_tf
class TFLayoutLMv3ModelIntegrationTest(unittest.TestCase):
@cached_property
def default_image_processor(self):
return LayoutLMv3ImageProcessor(apply_ocr=False) if is_vision_available() else None
@slow
def test_inference_no_head(self):
model = TFLayoutLMv3Model.from_pretrained("microsoft/layoutlmv3-base")
image_processor = self.default_image_processor
image = prepare_img()
pixel_values = image_processor(images=image, return_tensors="tf").pixel_values
input_ids = tf.constant([[1, 2]])
bbox = tf.expand_dims(tf.constant([[1, 2, 3, 4], [5, 6, 7, 8]]), axis=0)
# forward pass
outputs = model(input_ids=input_ids, bbox=bbox, pixel_values=pixel_values, training=False)
# verify the logits
expected_shape = (1, 199, 768)
self.assertEqual(outputs.last_hidden_state.shape, expected_shape)
expected_slice = tf.constant(
[[-0.0529, 0.3618, 0.1632], [-0.1587, -0.1667, -0.0400], [-0.1557, -0.1671, -0.0505]]
)
self.assertTrue(np.allclose(outputs.last_hidden_state[0, :3, :3], expected_slice, atol=1e-4))
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