319 lines
12 KiB
Python
319 lines
12 KiB
Python
# coding=utf-8
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# Copyright 2022 The HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" Testing suite for the PyTorch Bit model. """
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import unittest
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from transformers import BitConfig
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from transformers.testing_utils import require_torch, require_vision, slow, torch_device
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from transformers.utils import cached_property, is_torch_available, is_vision_available
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from ...test_backbone_common import BackboneTesterMixin
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from ...test_configuration_common import ConfigTester
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from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
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from ...test_pipeline_mixin import PipelineTesterMixin
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if is_torch_available():
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import torch
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from torch import nn
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from transformers import BitBackbone, BitForImageClassification, BitImageProcessor, BitModel
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if is_vision_available():
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from PIL import Image
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class BitModelTester:
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def __init__(
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self,
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parent,
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batch_size=3,
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image_size=32,
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num_channels=3,
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embeddings_size=10,
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hidden_sizes=[8, 16, 32, 64],
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depths=[1, 1, 2, 1],
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is_training=True,
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use_labels=True,
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hidden_act="relu",
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num_labels=3,
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scope=None,
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out_features=["stage2", "stage3", "stage4"],
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out_indices=[2, 3, 4],
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num_groups=1,
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):
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self.parent = parent
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self.batch_size = batch_size
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self.image_size = image_size
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self.num_channels = num_channels
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self.embeddings_size = embeddings_size
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self.hidden_sizes = hidden_sizes
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self.depths = depths
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self.is_training = is_training
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self.use_labels = use_labels
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self.hidden_act = hidden_act
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self.num_labels = num_labels
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self.scope = scope
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self.num_stages = len(hidden_sizes)
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self.out_features = out_features
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self.out_indices = out_indices
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self.num_groups = num_groups
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def prepare_config_and_inputs(self):
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pixel_values = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size])
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labels = None
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if self.use_labels:
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labels = ids_tensor([self.batch_size], self.num_labels)
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config = self.get_config()
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return config, pixel_values, labels
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def get_config(self):
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return BitConfig(
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num_channels=self.num_channels,
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embeddings_size=self.embeddings_size,
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hidden_sizes=self.hidden_sizes,
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depths=self.depths,
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hidden_act=self.hidden_act,
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num_labels=self.num_labels,
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out_features=self.out_features,
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out_indices=self.out_indices,
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num_groups=self.num_groups,
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)
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def create_and_check_model(self, config, pixel_values, labels):
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model = BitModel(config=config)
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model.to(torch_device)
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model.eval()
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result = model(pixel_values)
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self.parent.assertEqual(
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result.last_hidden_state.shape,
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(self.batch_size, self.hidden_sizes[-1], self.image_size // 32, self.image_size // 32),
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)
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def create_and_check_for_image_classification(self, config, pixel_values, labels):
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config.num_labels = self.num_labels
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model = BitForImageClassification(config)
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model.to(torch_device)
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model.eval()
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result = model(pixel_values, labels=labels)
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self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
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def create_and_check_backbone(self, config, pixel_values, labels):
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model = BitBackbone(config=config)
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model.to(torch_device)
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model.eval()
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result = model(pixel_values)
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# verify feature maps
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self.parent.assertEqual(len(result.feature_maps), len(config.out_features))
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self.parent.assertListEqual(list(result.feature_maps[0].shape), [self.batch_size, self.hidden_sizes[1], 4, 4])
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# verify channels
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self.parent.assertEqual(len(model.channels), len(config.out_features))
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self.parent.assertListEqual(model.channels, config.hidden_sizes[1:])
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# verify backbone works with out_features=None
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config.out_features = None
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model = BitBackbone(config=config)
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model.to(torch_device)
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model.eval()
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result = model(pixel_values)
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# verify feature maps
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self.parent.assertEqual(len(result.feature_maps), 1)
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self.parent.assertListEqual(list(result.feature_maps[0].shape), [self.batch_size, self.hidden_sizes[-1], 1, 1])
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# verify channels
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self.parent.assertEqual(len(model.channels), 1)
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self.parent.assertListEqual(model.channels, [config.hidden_sizes[-1]])
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def prepare_config_and_inputs_for_common(self):
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config_and_inputs = self.prepare_config_and_inputs()
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config, pixel_values, labels = config_and_inputs
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inputs_dict = {"pixel_values": pixel_values}
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return config, inputs_dict
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@require_torch
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class BitModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
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"""
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Here we also overwrite some of the tests of test_modeling_common.py, as Bit does not use input_ids, inputs_embeds,
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attention_mask and seq_length.
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"""
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all_model_classes = (BitModel, BitForImageClassification, BitBackbone) if is_torch_available() else ()
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pipeline_model_mapping = (
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{"image-feature-extraction": BitModel, "image-classification": BitForImageClassification}
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if is_torch_available()
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else {}
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)
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fx_compatible = False
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test_pruning = False
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test_resize_embeddings = False
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test_head_masking = False
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has_attentions = False
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def setUp(self):
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self.model_tester = BitModelTester(self)
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self.config_tester = ConfigTester(self, config_class=BitConfig, has_text_modality=False)
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def test_config(self):
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self.create_and_test_config_common_properties()
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self.config_tester.create_and_test_config_to_json_string()
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self.config_tester.create_and_test_config_to_json_file()
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self.config_tester.create_and_test_config_from_and_save_pretrained()
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self.config_tester.create_and_test_config_with_num_labels()
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self.config_tester.check_config_can_be_init_without_params()
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self.config_tester.check_config_arguments_init()
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def create_and_test_config_common_properties(self):
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return
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@unittest.skip(reason="Bit does not output attentions")
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def test_attention_outputs(self):
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pass
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@unittest.skip(reason="Bit does not use inputs_embeds")
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def test_inputs_embeds(self):
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pass
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@unittest.skip(reason="Bit does not support input and output embeddings")
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def test_model_common_attributes(self):
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pass
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def test_model(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_model(*config_and_inputs)
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def test_backbone(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_backbone(*config_and_inputs)
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def test_initialization(self):
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config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
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for model_class in self.all_model_classes:
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model = model_class(config=config)
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for name, module in model.named_modules():
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if isinstance(module, (nn.BatchNorm2d, nn.GroupNorm)):
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self.assertTrue(
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torch.all(module.weight == 1),
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msg=f"Parameter {name} of model {model_class} seems not properly initialized",
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)
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self.assertTrue(
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torch.all(module.bias == 0),
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msg=f"Parameter {name} of model {model_class} seems not properly initialized",
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)
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def test_hidden_states_output(self):
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def check_hidden_states_output(inputs_dict, config, model_class):
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model = model_class(config)
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model.to(torch_device)
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model.eval()
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with torch.no_grad():
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outputs = model(**self._prepare_for_class(inputs_dict, model_class))
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hidden_states = outputs.encoder_hidden_states if config.is_encoder_decoder else outputs.hidden_states
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expected_num_stages = self.model_tester.num_stages
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self.assertEqual(len(hidden_states), expected_num_stages + 1)
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# Bit's feature maps are of shape (batch_size, num_channels, height, width)
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self.assertListEqual(
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list(hidden_states[0].shape[-2:]),
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[self.model_tester.image_size // 4, self.model_tester.image_size // 4],
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)
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config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
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layers_type = ["preactivation", "bottleneck"]
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for model_class in self.all_model_classes:
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for layer_type in layers_type:
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config.layer_type = layer_type
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inputs_dict["output_hidden_states"] = True
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check_hidden_states_output(inputs_dict, config, model_class)
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# check that output_hidden_states also work using config
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del inputs_dict["output_hidden_states"]
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config.output_hidden_states = True
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check_hidden_states_output(inputs_dict, config, model_class)
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@unittest.skip(reason="Bit does not use feedforward chunking")
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def test_feed_forward_chunking(self):
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pass
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def test_for_image_classification(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_for_image_classification(*config_and_inputs)
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@slow
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def test_model_from_pretrained(self):
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model_name = "google/bit-50"
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model = BitModel.from_pretrained(model_name)
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self.assertIsNotNone(model)
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# We will verify our results on an image of cute cats
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def prepare_img():
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image = Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
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return image
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@require_torch
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@require_vision
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class BitModelIntegrationTest(unittest.TestCase):
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@cached_property
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def default_image_processor(self):
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return BitImageProcessor.from_pretrained("google/bit-50") if is_vision_available() else None
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@slow
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def test_inference_image_classification_head(self):
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model = BitForImageClassification.from_pretrained("google/bit-50").to(torch_device)
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image_processor = self.default_image_processor
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image = prepare_img()
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inputs = image_processor(images=image, return_tensors="pt").to(torch_device)
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# forward pass
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with torch.no_grad():
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outputs = model(**inputs)
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# verify the logits
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expected_shape = torch.Size((1, 1000))
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self.assertEqual(outputs.logits.shape, expected_shape)
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expected_slice = torch.tensor([[-0.6526, -0.5263, -1.4398]]).to(torch_device)
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self.assertTrue(torch.allclose(outputs.logits[0, :3], expected_slice, atol=1e-4))
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@require_torch
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class BitBackboneTest(BackboneTesterMixin, unittest.TestCase):
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all_model_classes = (BitBackbone,) if is_torch_available() else ()
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config_class = BitConfig
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has_attentions = False
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def setUp(self):
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self.model_tester = BitModelTester(self)
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