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transformers/tests/models/tapas/test_modeling_tapas.py

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# coding=utf-8
# Copyright 2020 The HuggingFace Inc. team.
#
# 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 copy
import unittest
import numpy as np
import pandas as pd
from transformers import (
MODEL_FOR_CAUSAL_LM_MAPPING,
MODEL_FOR_MASKED_LM_MAPPING,
MODEL_FOR_MULTIPLE_CHOICE_MAPPING,
MODEL_FOR_NEXT_SENTENCE_PREDICTION_MAPPING,
MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING,
MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING,
MODEL_FOR_TABLE_QUESTION_ANSWERING_MAPPING,
MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING,
TapasConfig,
is_torch_available,
)
from transformers.models.auto import get_values
from transformers.testing_utils import require_tensorflow_probability, require_torch, slow, torch_device
from transformers.utils import cached_property
from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin
if is_torch_available():
import torch
from transformers import (
TapasForMaskedLM,
TapasForQuestionAnswering,
TapasForSequenceClassification,
TapasModel,
TapasTokenizer,
)
from transformers.models.tapas.modeling_tapas import (
IndexMap,
ProductIndexMap,
flatten,
gather,
range_index_map,
reduce_max,
reduce_mean,
reduce_sum,
)
from transformers.pytorch_utils import is_torch_greater_or_equal_than_1_12
else:
is_torch_greater_or_equal_than_1_12 = False
class TapasModelTester:
"""You can also import this e.g from .test_modeling_tapas import TapasModelTester"""
def __init__(
self,
parent,
batch_size=13,
seq_length=7,
is_training=True,
use_input_mask=True,
use_token_type_ids=True,
use_labels=True,
vocab_size=99,
hidden_size=32,
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,
initializer_range=0.02,
max_position_embeddings=512,
type_vocab_sizes=[3, 256, 256, 2, 256, 256, 10],
type_sequence_label_size=2,
positive_weight=10.0,
num_aggregation_labels=4,
num_labels=2,
aggregation_loss_importance=0.8,
use_answer_as_supervision=True,
answer_loss_importance=0.001,
use_normalized_answer_loss=False,
huber_loss_delta=25.0,
temperature=1.0,
agg_temperature=1.0,
use_gumbel_for_cells=False,
use_gumbel_for_agg=False,
average_approximation_function="ratio",
cell_selection_preference=0.5,
answer_loss_cutoff=100,
max_num_rows=64,
max_num_columns=32,
average_logits_per_cell=True,
select_one_column=True,
allow_empty_column_selection=False,
init_cell_selection_weights_to_zero=True,
reset_position_index_per_cell=True,
disable_per_token_loss=False,
scope=None,
):
self.parent = parent
self.batch_size = batch_size
self.seq_length = seq_length
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.initializer_range = initializer_range
self.max_position_embeddings = max_position_embeddings
self.type_vocab_sizes = type_vocab_sizes
self.type_sequence_label_size = type_sequence_label_size
self.positive_weight = positive_weight
self.num_aggregation_labels = num_aggregation_labels
self.num_labels = num_labels
self.aggregation_loss_importance = aggregation_loss_importance
self.use_answer_as_supervision = use_answer_as_supervision
self.answer_loss_importance = answer_loss_importance
self.use_normalized_answer_loss = use_normalized_answer_loss
self.huber_loss_delta = huber_loss_delta
self.temperature = temperature
self.agg_temperature = agg_temperature
self.use_gumbel_for_cells = use_gumbel_for_cells
self.use_gumbel_for_agg = use_gumbel_for_agg
self.average_approximation_function = average_approximation_function
self.cell_selection_preference = cell_selection_preference
self.answer_loss_cutoff = answer_loss_cutoff
self.max_num_rows = max_num_rows
self.max_num_columns = max_num_columns
self.average_logits_per_cell = average_logits_per_cell
self.select_one_column = select_one_column
self.allow_empty_column_selection = allow_empty_column_selection
self.init_cell_selection_weights_to_zero = init_cell_selection_weights_to_zero
self.reset_position_index_per_cell = reset_position_index_per_cell
self.disable_per_token_loss = disable_per_token_loss
self.scope = scope
def prepare_config_and_inputs(self):
input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size).to(torch_device)
input_mask = None
if self.use_input_mask:
input_mask = random_attention_mask([self.batch_size, self.seq_length]).to(torch_device)
token_type_ids = []
for type_vocab_size in self.type_vocab_sizes:
token_type_ids.append(ids_tensor(shape=[self.batch_size, self.seq_length], vocab_size=type_vocab_size))
token_type_ids = torch.stack(token_type_ids, dim=2).to(torch_device)
sequence_labels = None
token_labels = None
labels = None
numeric_values = None
numeric_values_scale = None
float_answer = None
aggregation_labels = None
if self.use_labels:
sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size).to(torch_device)
token_labels = ids_tensor([self.batch_size, self.seq_length], self.num_labels).to(torch_device)
labels = ids_tensor([self.batch_size, self.seq_length], vocab_size=2).to(torch_device)
numeric_values = floats_tensor([self.batch_size, self.seq_length]).to(torch_device)
numeric_values_scale = floats_tensor([self.batch_size, self.seq_length]).to(torch_device)
float_answer = floats_tensor([self.batch_size]).to(torch_device)
aggregation_labels = ids_tensor([self.batch_size], self.num_aggregation_labels).to(torch_device)
config = self.get_config()
return (
config,
input_ids,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
)
def get_config(self):
return TapasConfig(
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_sizes=self.type_vocab_sizes,
initializer_range=self.initializer_range,
positive_weight=self.positive_weight,
num_aggregation_labels=self.num_aggregation_labels,
num_labels=self.num_labels,
aggregation_loss_importance=self.aggregation_loss_importance,
use_answer_as_supervision=self.use_answer_as_supervision,
answer_loss_importance=self.answer_loss_importance,
use_normalized_answer_loss=self.use_normalized_answer_loss,
huber_loss_delta=self.huber_loss_delta,
temperature=self.temperature,
agg_temperature=self.agg_temperature,
use_gumbel_for_cells=self.use_gumbel_for_cells,
use_gumbel_for_agg=self.use_gumbel_for_agg,
average_approximation_function=self.average_approximation_function,
cell_selection_preference=self.cell_selection_preference,
answer_loss_cutoff=self.answer_loss_cutoff,
max_num_rows=self.max_num_rows,
max_num_columns=self.max_num_columns,
average_logits_per_cell=self.average_logits_per_cell,
select_one_column=self.select_one_column,
allow_empty_column_selection=self.allow_empty_column_selection,
init_cell_selection_weights_to_zero=self.init_cell_selection_weights_to_zero,
reset_position_index_per_cell=self.reset_position_index_per_cell,
disable_per_token_loss=self.disable_per_token_loss,
)
def create_and_check_model(
self,
config,
input_ids,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
):
model = TapasModel(config=config)
model.to(torch_device)
model.eval()
result = model(input_ids, attention_mask=input_mask, token_type_ids=token_type_ids)
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))
self.parent.assertEqual(result.pooler_output.shape, (self.batch_size, self.hidden_size))
def create_and_check_for_masked_lm(
self,
config,
input_ids,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
):
model = TapasForMaskedLM(config=config)
model.to(torch_device)
model.eval()
result = model(input_ids, attention_mask=input_mask, 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_question_answering(
self,
config,
input_ids,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
):
# inference: without aggregation head (SQA). Model only returns logits
sqa_config = copy.copy(config)
sqa_config.num_aggregation_labels = 0
sqa_config.use_answer_as_supervision = False
model = TapasForQuestionAnswering(config=sqa_config)
model.to(torch_device)
model.eval()
result = model(
input_ids=input_ids,
attention_mask=input_mask,
token_type_ids=token_type_ids,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length))
# inference: with aggregation head (WTQ, WikiSQL-supervised). Model returns logits and aggregation logits
model = TapasForQuestionAnswering(config=config)
model.to(torch_device)
model.eval()
result = model(
input_ids=input_ids,
attention_mask=input_mask,
token_type_ids=token_type_ids,
)
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length))
self.parent.assertEqual(result.logits_aggregation.shape, (self.batch_size, self.num_aggregation_labels))
# training: can happen in 3 main ways
# case 1: conversational (SQA)
model = TapasForQuestionAnswering(config=sqa_config)
model.to(torch_device)
model.eval()
result = model(
input_ids,
attention_mask=input_mask,
token_type_ids=token_type_ids,
labels=labels,
)
self.parent.assertEqual(result.loss.shape, ())
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length))
# case 2: weak supervision for aggregation (WTQ)
model = TapasForQuestionAnswering(config=config)
model.to(torch_device)
model.eval()
result = model(
input_ids=input_ids,
attention_mask=input_mask,
token_type_ids=token_type_ids,
labels=labels,
numeric_values=numeric_values,
numeric_values_scale=numeric_values_scale,
float_answer=float_answer,
)
self.parent.assertEqual(result.loss.shape, ())
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length))
self.parent.assertEqual(result.logits_aggregation.shape, (self.batch_size, self.num_aggregation_labels))
# case 3: strong supervision for aggregation (WikiSQL-supervised)
wikisql_config = copy.copy(config)
wikisql_config.use_answer_as_supervision = False
model = TapasForQuestionAnswering(config=wikisql_config)
model.to(torch_device)
model.eval()
result = model(
input_ids,
attention_mask=input_mask,
token_type_ids=token_type_ids,
labels=labels,
aggregation_labels=aggregation_labels,
)
self.parent.assertEqual(result.loss.shape, ())
self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length))
self.parent.assertEqual(result.logits_aggregation.shape, (self.batch_size, self.num_aggregation_labels))
def create_and_check_for_sequence_classification(
self,
config,
input_ids,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
):
config.num_labels = self.num_labels
model = TapasForSequenceClassification(config)
model.to(torch_device)
model.eval()
result = model(input_ids, attention_mask=input_mask, labels=sequence_labels)
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,
input_mask,
token_type_ids,
sequence_labels,
token_labels,
labels,
numeric_values,
numeric_values_scale,
float_answer,
aggregation_labels,
) = config_and_inputs
inputs_dict = {"input_ids": input_ids, "token_type_ids": token_type_ids, "attention_mask": input_mask}
return config, inputs_dict
@unittest.skipIf(not is_torch_greater_or_equal_than_1_12, reason="Tapas is only available in torch v1.12+")
@require_torch
class TapasModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
all_model_classes = (
(
TapasModel,
TapasForMaskedLM,
TapasForQuestionAnswering,
TapasForSequenceClassification,
)
if is_torch_available()
else None
)
pipeline_model_mapping = (
{
"feature-extraction": TapasModel,
"fill-mask": TapasForMaskedLM,
"table-question-answering": TapasForQuestionAnswering,
"text-classification": TapasForSequenceClassification,
"zero-shot": TapasForSequenceClassification,
}
if is_torch_available()
else {}
)
test_pruning = False
test_resize_embeddings = True
test_head_masking = False
def _prepare_for_class(self, inputs_dict, model_class, return_labels=False):
inputs_dict = copy.deepcopy(inputs_dict)
if model_class in get_values(MODEL_FOR_MULTIPLE_CHOICE_MAPPING):
inputs_dict = {
k: v.unsqueeze(1).expand(-1, self.model_tester.num_choices, -1).contiguous()
if isinstance(v, torch.Tensor) and v.ndim > 1
else v
for k, v in inputs_dict.items()
}
if return_labels:
if model_class in get_values(MODEL_FOR_MULTIPLE_CHOICE_MAPPING):
inputs_dict["labels"] = torch.ones(self.model_tester.batch_size, dtype=torch.long, device=torch_device)
elif model_class in get_values(MODEL_FOR_TABLE_QUESTION_ANSWERING_MAPPING):
inputs_dict["labels"] = torch.zeros(
(self.model_tester.batch_size, self.model_tester.seq_length), dtype=torch.long, device=torch_device
)
inputs_dict["aggregation_labels"] = torch.zeros(
self.model_tester.batch_size, dtype=torch.long, device=torch_device
)
inputs_dict["numeric_values"] = torch.zeros(
(self.model_tester.batch_size, self.model_tester.seq_length),
dtype=torch.float,
device=torch_device,
)
inputs_dict["numeric_values_scale"] = torch.zeros(
(self.model_tester.batch_size, self.model_tester.seq_length),
dtype=torch.float,
device=torch_device,
)
inputs_dict["float_answer"] = torch.zeros(
self.model_tester.batch_size, dtype=torch.float, device=torch_device
)
elif model_class in [
*get_values(MODEL_FOR_SEQUENCE_CLASSIFICATION_MAPPING),
*get_values(MODEL_FOR_NEXT_SENTENCE_PREDICTION_MAPPING),
]:
inputs_dict["labels"] = torch.zeros(
self.model_tester.batch_size, dtype=torch.long, device=torch_device
)
elif model_class in [
*get_values(MODEL_FOR_TOKEN_CLASSIFICATION_MAPPING),
*get_values(MODEL_FOR_CAUSAL_LM_MAPPING),
*get_values(MODEL_FOR_MASKED_LM_MAPPING),
*get_values(MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING),
]:
inputs_dict["labels"] = torch.zeros(
(self.model_tester.batch_size, self.model_tester.seq_length), dtype=torch.long, device=torch_device
)
return inputs_dict
# 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 setUp(self):
self.model_tester = TapasModelTester(self)
self.config_tester = ConfigTester(self, config_class=TapasConfig, dim=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_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_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)
@require_tensorflow_probability
def test_pt_tf_model_equivalence(self):
super().test_pt_tf_model_equivalence()
def prepare_tapas_single_inputs_for_inference():
# Here we prepare a single table-question pair to test TAPAS inference on:
data = {
"Footballer": ["Lionel Messi", "Cristiano Ronaldo"],
"Age": ["33", "35"],
}
queries = "Which footballer is 33 years old?"
table = pd.DataFrame.from_dict(data)
return table, queries
def prepare_tapas_batch_inputs_for_inference():
# Here we prepare a batch of 2 table-question pairs to test TAPAS inference on:
data = {
"Footballer": ["Lionel Messi", "Cristiano Ronaldo"],
"Age": ["33", "35"],
"Number of goals": ["712", "750"],
}
queries = ["Which footballer is 33 years old?", "How many goals does Ronaldo have?"]
table = pd.DataFrame.from_dict(data)
return table, queries
def prepare_tapas_batch_inputs_for_training():
# Here we prepare a DIFFERENT batch of 2 table-question pairs to test TAPAS training on:
data = {
"Footballer": ["Lionel Messi", "Cristiano Ronaldo"],
"Age": ["33", "35"],
"Number of goals": ["712", "750"],
}
queries = ["Which footballer is 33 years old?", "What's the total number of goals?"]
table = pd.DataFrame.from_dict(data)
answer_coordinates = [[(0, 0)], [(0, 2), (1, 2)]]
answer_text = [["Lionel Messi"], ["1462"]]
float_answer = [float("NaN"), float("1462")]
return table, queries, answer_coordinates, answer_text, float_answer
@unittest.skipIf(not is_torch_greater_or_equal_than_1_12, reason="Tapas is only available in torch v1.12+")
@require_torch
class TapasModelIntegrationTest(unittest.TestCase):
@cached_property
def default_tokenizer(self):
return TapasTokenizer.from_pretrained("google/tapas-base-finetuned-wtq")
@slow
def test_inference_no_head(self):
# ideally we want to test this with the weights of tapas_inter_masklm_base_reset,
# but since it's not straightforward to do this with the TF 1 implementation, we test it with
# the weights of the WTQ base model (i.e. tapas_wtq_wikisql_sqa_inter_masklm_base_reset)
model = TapasModel.from_pretrained("google/tapas-base-finetuned-wtq").to(torch_device)
tokenizer = self.default_tokenizer
table, queries = prepare_tapas_single_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, return_tensors="pt")
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs)
# test the sequence output
expected_slice = torch.tensor(
[
[
[-0.141581565, -0.599805772, 0.747186482],
[-0.143664181, -0.602008104, 0.749218345],
[-0.15169853, -0.603363097, 0.741370678],
]
],
device=torch_device,
)
self.assertTrue(torch.allclose(outputs.last_hidden_state[:, :3, :3], expected_slice, atol=0.0005))
# test the pooled output
expected_slice = torch.tensor([[0.987518311, -0.970520139, -0.994303405]], device=torch_device)
self.assertTrue(torch.allclose(outputs.pooler_output[:, :3], expected_slice, atol=0.0005))
@unittest.skip(reason="Model not available yet")
def test_inference_masked_lm(self):
pass
# TapasForQuestionAnswering has 3 possible ways of being fine-tuned:
# - conversational set-up (SQA)
# - weak supervision for aggregation (WTQ, WikiSQL)
# - strong supervision for aggregation (WikiSQL-supervised)
# We test all of them:
@slow
def test_inference_question_answering_head_conversational(self):
# note that google/tapas-base-finetuned-sqa should correspond to tapas_sqa_inter_masklm_base_reset
model = TapasForQuestionAnswering.from_pretrained("google/tapas-base-finetuned-sqa").to(torch_device)
tokenizer = self.default_tokenizer
table, queries = prepare_tapas_single_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, return_tensors="pt")
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs)
# test the logits
logits = outputs.logits
expected_shape = torch.Size((1, 21))
self.assertEqual(logits.shape, expected_shape)
expected_tensor = torch.tensor(
[
[
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-9997.22461,
-16.2628059,
-10004.082,
15.4330549,
15.4330549,
15.4330549,
-9990.42,
-16.3270779,
-16.3270779,
-16.3270779,
-16.3270779,
-16.3270779,
-10004.8506,
]
],
device=torch_device,
)
self.assertTrue(torch.allclose(logits, expected_tensor, atol=0.015))
@slow
def test_inference_question_answering_head_conversational_absolute_embeddings(self):
# note that google/tapas-small-finetuned-sqa should correspond to tapas_sqa_inter_masklm_small_reset
# however here we test the version with absolute position embeddings
model = TapasForQuestionAnswering.from_pretrained("google/tapas-small-finetuned-sqa", revision="no_reset").to(
torch_device
)
tokenizer = self.default_tokenizer
table, queries = prepare_tapas_single_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, return_tensors="pt")
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs)
# test the logits
logits = outputs.logits
expected_shape = torch.Size((1, 21))
self.assertEqual(logits.shape, expected_shape)
expected_tensor = torch.tensor(
[
[
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-10014.7793,
-18.8419304,
-10018.0391,
17.7848816,
17.7848816,
17.7848816,
-9981.02832,
-16.4005489,
-16.4005489,
-16.4005489,
-16.4005489,
-16.4005489,
-10013.4736,
]
],
device=torch_device,
)
self.assertTrue(torch.allclose(logits, expected_tensor, atol=0.01))
@slow
def test_inference_question_answering_head_weak_supervision(self):
# note that google/tapas-base-finetuned-wtq should correspond to tapas_wtq_wikisql_sqa_inter_masklm_base_reset
model = TapasForQuestionAnswering.from_pretrained("google/tapas-base-finetuned-wtq").to(torch_device)
tokenizer = self.default_tokenizer
# let's test on a batch
table, queries = prepare_tapas_batch_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, padding="longest", return_tensors="pt")
inputs_on_device = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs_on_device)
# test the logits
logits = outputs.logits
expected_shape = torch.Size((2, 28))
self.assertEqual(logits.shape, expected_shape)
expected_slice = torch.tensor(
[
[-160.375504, -160.375504, -160.375504, -10072.3965, -10070.9414, -10094.9736],
[-9861.6123, -9861.6123, -9861.6123, -9861.6123, -9891.01172, 146.600677],
],
device=torch_device,
)
self.assertTrue(torch.allclose(logits[:, -6:], expected_slice, atol=0.4))
# test the aggregation logits
logits_aggregation = outputs.logits_aggregation
expected_shape = torch.Size((2, 4))
self.assertEqual(logits_aggregation.shape, expected_shape)
expected_tensor = torch.tensor(
[[18.8545208, -9.76614857, -6.3128891, -2.93525243], [-4.05782509, 40.0351, -5.35329962, 23.3978653]],
device=torch_device,
)
self.assertTrue(torch.allclose(logits_aggregation, expected_tensor, atol=0.001))
# test the predicted answer coordinates and aggregation indices
EXPECTED_PREDICTED_ANSWER_COORDINATES = [[(0, 0)], [(1, 2)]]
EXPECTED_PREDICTED_AGGREGATION_INDICES = [0, 1]
predicted_answer_coordinates, predicted_aggregation_indices = tokenizer.convert_logits_to_predictions(
inputs, outputs.logits.detach().cpu(), outputs.logits_aggregation.detach().cpu()
)
self.assertEqual(EXPECTED_PREDICTED_ANSWER_COORDINATES, predicted_answer_coordinates)
self.assertEqual(EXPECTED_PREDICTED_AGGREGATION_INDICES, predicted_aggregation_indices)
@slow
def test_training_question_answering_head_weak_supervision(self):
# note that google/tapas-base-finetuned-wtq should correspond to tapas_wtq_wikisql_sqa_inter_masklm_base_reset
model = TapasForQuestionAnswering.from_pretrained("google/tapas-base-finetuned-wtq").to(torch_device)
model.to(torch_device)
# normally we should put the model in training mode but it's a pain to do this with the TF 1 implementation
tokenizer = self.default_tokenizer
# let's test on a batch
table, queries, answer_coordinates, answer_text, float_answer = prepare_tapas_batch_inputs_for_training()
inputs = tokenizer(
table=table,
queries=queries,
answer_coordinates=answer_coordinates,
answer_text=answer_text,
padding="longest",
return_tensors="pt",
)
# prepare data (created by the tokenizer) and move to torch_device
input_ids = inputs["input_ids"].to(torch_device)
attention_mask = inputs["attention_mask"].to(torch_device)
token_type_ids = inputs["token_type_ids"].to(torch_device)
labels = inputs["labels"].to(torch_device)
numeric_values = inputs["numeric_values"].to(torch_device)
numeric_values_scale = inputs["numeric_values_scale"].to(torch_device)
# the answer should be prepared by the user
float_answer = torch.FloatTensor(float_answer).to(torch_device)
# forward pass to get loss + logits:
with torch.no_grad():
outputs = model(
input_ids=input_ids,
attention_mask=attention_mask,
token_type_ids=token_type_ids,
labels=labels,
numeric_values=numeric_values,
numeric_values_scale=numeric_values_scale,
float_answer=float_answer,
)
# test the loss
loss = outputs.loss
expected_loss = torch.tensor(3.3527612686157227e-08, device=torch_device)
self.assertTrue(torch.allclose(loss, expected_loss, atol=1e-6))
# test the logits on the first example
logits = outputs.logits
expected_shape = torch.Size((2, 29))
self.assertEqual(logits.shape, expected_shape)
expected_slice = torch.tensor(
[
-160.0156,
-160.0156,
-160.0156,
-160.0156,
-160.0156,
-10072.2266,
-10070.8896,
-10092.6006,
-10092.6006,
],
device=torch_device,
)
self.assertTrue(torch.allclose(logits[0, -9:], expected_slice, atol=1e-6))
# test the aggregation logits on the second example
logits_aggregation = outputs.logits_aggregation
expected_shape = torch.Size((2, 4))
self.assertEqual(logits_aggregation.shape, expected_shape)
expected_slice = torch.tensor([-4.0538, 40.0304, -5.3554, 23.3965], device=torch_device)
self.assertTrue(torch.allclose(logits_aggregation[1, -4:], expected_slice, atol=1e-4))
@slow
def test_inference_question_answering_head_strong_supervision(self):
# note that google/tapas-base-finetuned-wikisql-supervised should correspond to tapas_wikisql_sqa_inter_masklm_base_reset
model = TapasForQuestionAnswering.from_pretrained("google/tapas-base-finetuned-wikisql-supervised").to(
torch_device
)
tokenizer = self.default_tokenizer
table, queries = prepare_tapas_single_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, return_tensors="pt")
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs)
# test the logits
logits = outputs.logits
expected_shape = torch.Size((1, 21))
self.assertEqual(logits.shape, expected_shape)
expected_tensor = torch.tensor(
[
[
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-10011.1084,
-18.6185989,
-10008.7969,
17.6355762,
17.6355762,
17.6355762,
-10002.4404,
-18.7111301,
-18.7111301,
-18.7111301,
-18.7111301,
-18.7111301,
-10007.0977,
]
],
device=torch_device,
)
self.assertTrue(torch.allclose(logits, expected_tensor, atol=0.02))
# test the aggregation logits
logits_aggregation = outputs.logits_aggregation
expected_shape = torch.Size((1, 4))
self.assertEqual(logits_aggregation.shape, expected_shape)
expected_tensor = torch.tensor(
[[16.5659733, -3.06624889, -2.34152961, -0.970244825]], device=torch_device
) # PyTorch model outputs [[16.5679, -3.0668, -2.3442, -0.9674]]
self.assertTrue(torch.allclose(logits_aggregation, expected_tensor, atol=0.003))
@slow
def test_inference_classification_head(self):
# note that google/tapas-base-finetuned-tabfact should correspond to tapas_tabfact_inter_masklm_base_reset
model = TapasForSequenceClassification.from_pretrained("google/tapas-base-finetuned-tabfact").to(torch_device)
tokenizer = self.default_tokenizer
table, queries = prepare_tapas_single_inputs_for_inference()
inputs = tokenizer(table=table, queries=queries, padding="longest", return_tensors="pt")
inputs = {k: v.to(torch_device) for k, v in inputs.items()}
with torch.no_grad():
outputs = model(**inputs)
# test the classification logits
logits = outputs.logits
expected_shape = torch.Size((1, 2))
self.assertEqual(logits.shape, expected_shape)
expected_tensor = torch.tensor(
[[0.795137286, 9.5572]], device=torch_device
) # Note that the PyTorch model outputs [[0.8057, 9.5281]]
self.assertTrue(torch.allclose(outputs.logits, expected_tensor, atol=0.05))
# Below: tests for Tapas utilities which are defined in modeling_tapas.py.
# These are based on segmented_tensor_test.py of the original implementation.
# URL: https://github.com/google-research/tapas/blob/master/tapas/models/segmented_tensor_test.py
@unittest.skipIf(not is_torch_greater_or_equal_than_1_12, reason="Tapas is only available in torch v1.12+")
@require_torch
class TapasUtilitiesTest(unittest.TestCase):
def _prepare_tables(self):
"""Prepares two tables, both with three distinct rows.
The first table has two columns:
1.0, 2.0 | 3.0
2.0, 0.0 | 1.0
1.0, 3.0 | 4.0
The second table has three columns:
1.0 | 2.0 | 3.0
2.0 | 0.0 | 1.0
1.0 | 3.0 | 4.0
Returns:
SegmentedTensors with the tables.
"""
values = torch.tensor(
[
[[1.0, 2.0, 3.0], [2.0, 0.0, 1.0], [1.0, 3.0, 4.0]],
[[1.0, 2.0, 3.0], [2.0, 0.0, 1.0], [1.0, 3.0, 4.0]],
]
)
row_index = IndexMap(
indices=torch.tensor(
[
[[0, 0, 0], [1, 1, 1], [2, 2, 2]],
[[0, 0, 0], [1, 1, 1], [2, 2, 2]],
]
),
num_segments=3,
batch_dims=1,
)
col_index = IndexMap(
indices=torch.tensor(
[
[[0, 0, 1], [0, 0, 1], [0, 0, 1]],
[[0, 1, 2], [0, 1, 2], [0, 1, 2]],
]
),
num_segments=3,
batch_dims=1,
)
return values, row_index, col_index
def test_product_index(self):
_, row_index, col_index = self._prepare_tables()
cell_index = ProductIndexMap(row_index, col_index)
row_index_proj = cell_index.project_outer(cell_index)
col_index_proj = cell_index.project_inner(cell_index)
ind = cell_index.indices
self.assertEqual(cell_index.num_segments, 9)
# Projections should give back the original indices.
# we use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(row_index.indices.numpy(), row_index_proj.indices.numpy())
self.assertEqual(row_index.num_segments, row_index_proj.num_segments)
self.assertEqual(row_index.batch_dims, row_index_proj.batch_dims)
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(col_index.indices.numpy(), col_index_proj.indices.numpy())
self.assertEqual(col_index.batch_dims, col_index_proj.batch_dims)
# The first and second "column" are identified in the first table.
for i in range(3):
self.assertEqual(ind[0, i, 0], ind[0, i, 1])
self.assertNotEqual(ind[0, i, 0], ind[0, i, 2])
# All rows are distinct in the first table.
for i, i_2 in zip(range(3), range(3)):
for j, j_2 in zip(range(3), range(3)):
if i != i_2 and j != j_2:
self.assertNotEqual(ind[0, i, j], ind[0, i_2, j_2])
# All cells are distinct in the second table.
for i, i_2 in zip(range(3), range(3)):
for j, j_2 in zip(range(3), range(3)):
if i != i_2 or j != j_2:
self.assertNotEqual(ind[1, i, j], ind[1, i_2, j_2])
def test_flatten(self):
_, row_index, col_index = self._prepare_tables()
row_index_flat = flatten(row_index)
col_index_flat = flatten(col_index)
shape = [3, 4, 5]
batched_index = IndexMap(indices=torch.zeros(shape).type(torch.LongTensor), num_segments=1, batch_dims=3)
batched_index_flat = flatten(batched_index)
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(
row_index_flat.indices.numpy(), [0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5]
)
np.testing.assert_array_equal(
col_index_flat.indices.numpy(), [0, 0, 1, 0, 0, 1, 0, 0, 1, 3, 4, 5, 3, 4, 5, 3, 4, 5]
)
self.assertEqual(batched_index_flat.num_segments.numpy(), np.prod(shape))
np.testing.assert_array_equal(batched_index_flat.indices.numpy(), range(np.prod(shape)))
def test_range_index_map(self):
batch_shape = [3, 4]
num_segments = 5
index = range_index_map(batch_shape, num_segments)
self.assertEqual(num_segments, index.num_segments)
self.assertEqual(2, index.batch_dims)
indices = index.indices
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(list(indices.size()), [3, 4, 5])
for i in range(batch_shape[0]):
for j in range(batch_shape[1]):
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(indices[i, j, :].numpy(), range(num_segments))
def test_reduce_sum(self):
values, row_index, col_index = self._prepare_tables()
cell_index = ProductIndexMap(row_index, col_index)
row_sum, _ = reduce_sum(values, row_index)
col_sum, _ = reduce_sum(values, col_index)
cell_sum, _ = reduce_sum(values, cell_index)
# We use np.testing.assert_allclose rather than Tensorflow's assertAllClose
np.testing.assert_allclose(row_sum.numpy(), [[6.0, 3.0, 8.0], [6.0, 3.0, 8.0]])
np.testing.assert_allclose(col_sum.numpy(), [[9.0, 8.0, 0.0], [4.0, 5.0, 8.0]])
np.testing.assert_allclose(
cell_sum.numpy(),
[[3.0, 3.0, 0.0, 2.0, 1.0, 0.0, 4.0, 4.0, 0.0], [1.0, 2.0, 3.0, 2.0, 0.0, 1.0, 1.0, 3.0, 4.0]],
)
def test_reduce_mean(self):
values, row_index, col_index = self._prepare_tables()
cell_index = ProductIndexMap(row_index, col_index)
row_mean, _ = reduce_mean(values, row_index)
col_mean, _ = reduce_mean(values, col_index)
cell_mean, _ = reduce_mean(values, cell_index)
# We use np.testing.assert_allclose rather than Tensorflow's assertAllClose
np.testing.assert_allclose(
row_mean.numpy(), [[6.0 / 3.0, 3.0 / 3.0, 8.0 / 3.0], [6.0 / 3.0, 3.0 / 3.0, 8.0 / 3.0]]
)
np.testing.assert_allclose(col_mean.numpy(), [[9.0 / 6.0, 8.0 / 3.0, 0.0], [4.0 / 3.0, 5.0 / 3.0, 8.0 / 3.0]])
np.testing.assert_allclose(
cell_mean.numpy(),
[
[3.0 / 2.0, 3.0, 0.0, 2.0 / 2.0, 1.0, 0.0, 4.0 / 2.0, 4.0, 0.0],
[1.0, 2.0, 3.0, 2.0, 0.0, 1.0, 1.0, 3.0, 4.0],
],
)
def test_reduce_max(self):
values = torch.as_tensor([2.0, 1.0, 0.0, 3.0])
index = IndexMap(indices=torch.as_tensor([0, 1, 0, 1]), num_segments=2)
maximum, _ = reduce_max(values, index)
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(maximum.numpy(), [2, 3])
def test_reduce_sum_vectorized(self):
values = torch.as_tensor([[1.0, 2.0, 3.0], [2.0, 3.0, 4.0], [3.0, 4.0, 5.0]])
index = IndexMap(indices=torch.as_tensor([[0, 0, 1]]), num_segments=2, batch_dims=0)
sums, new_index = reduce_sum(values, index)
# We use np.testing.assert_allclose rather than Tensorflow's assertAllClose
np.testing.assert_allclose(sums.numpy(), [3.0, 3.0])
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(new_index.indices.numpy(), [0, 1])
np.testing.assert_array_equal(new_index.num_segments.numpy(), 2)
np.testing.assert_array_equal(new_index.batch_dims, 0)
def test_gather(self):
values, row_index, col_index = self._prepare_tables()
cell_index = ProductIndexMap(row_index, col_index)
# Compute sums and then gather. The result should have the same shape as
# the original table and each element should contain the sum the values in
# its cell.
sums, _ = reduce_sum(values, cell_index)
cell_sum = gather(sums, cell_index)
assert cell_sum.size() == values.size()
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_allclose(
cell_sum.numpy(),
[[[3.0, 3.0, 3.0], [2.0, 2.0, 1.0], [4.0, 4.0, 4.0]], [[1.0, 2.0, 3.0], [2.0, 0.0, 1.0], [1.0, 3.0, 4.0]]],
)
def test_gather_vectorized(self):
values = torch.as_tensor([[[1, 2], [3, 4]], [[5, 6], [7, 8]]])
index = IndexMap(indices=torch.as_tensor([[0, 1], [1, 0]]), num_segments=2, batch_dims=1)
result = gather(values, index)
# We use np.testing.assert_array_equal rather than Tensorflow's assertAllEqual
np.testing.assert_array_equal(result.numpy(), [[[1, 2], [3, 4]], [[7, 8], [5, 6]]])
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