# coding=utf-8 # Copyright 2023 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. import inspect import unittest from transformers import RegNetConfig, is_flax_available from transformers.testing_utils import require_flax, slow from transformers.utils import cached_property, is_vision_available from ...test_configuration_common import ConfigTester from ...test_modeling_flax_common import FlaxModelTesterMixin, floats_tensor if is_flax_available(): import jax import jax.numpy as jnp from transformers.models.regnet.modeling_flax_regnet import FlaxRegNetForImageClassification, FlaxRegNetModel if is_vision_available(): from PIL import Image from transformers import AutoImageProcessor class FlaxRegNetModelTester(unittest.TestCase): def __init__( self, parent, batch_size=3, image_size=32, num_channels=3, embeddings_size=10, hidden_sizes=[10, 20, 30, 40], depths=[1, 1, 2, 1], is_training=True, use_labels=True, hidden_act="relu", num_labels=3, scope=None, ): self.parent = parent self.batch_size = batch_size self.image_size = image_size self.num_channels = num_channels self.embeddings_size = embeddings_size self.hidden_sizes = hidden_sizes self.depths = depths self.is_training = is_training self.use_labels = use_labels self.hidden_act = hidden_act self.num_labels = num_labels self.scope = scope self.num_stages = len(hidden_sizes) def prepare_config_and_inputs(self): pixel_values = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]) config = self.get_config() return config, pixel_values def get_config(self): return RegNetConfig( num_channels=self.num_channels, embeddings_size=self.embeddings_size, hidden_sizes=self.hidden_sizes, depths=self.depths, hidden_act=self.hidden_act, num_labels=self.num_labels, image_size=self.image_size, ) def create_and_check_model(self, config, pixel_values): model = FlaxRegNetModel(config=config) result = model(pixel_values) # Output shape (b, c, h, w) self.parent.assertEqual( result.last_hidden_state.shape, (self.batch_size, self.hidden_sizes[-1], self.image_size // 32, self.image_size // 32), ) def create_and_check_for_image_classification(self, config, pixel_values): config.num_labels = self.num_labels model = FlaxRegNetForImageClassification(config=config) result = model(pixel_values) 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, pixel_values = config_and_inputs inputs_dict = {"pixel_values": pixel_values} return config, inputs_dict @require_flax class FlaxResNetModelTest(FlaxModelTesterMixin, unittest.TestCase): all_model_classes = (FlaxRegNetModel, FlaxRegNetForImageClassification) if is_flax_available() else () is_encoder_decoder = False test_head_masking = False has_attentions = False def setUp(self) -> None: self.model_tester = FlaxRegNetModelTester(self) self.config_tester = ConfigTester(self, config_class=RegNetConfig, has_text_modality=False) def test_config(self): self.create_and_test_config_common_properties() self.config_tester.create_and_test_config_to_json_string() self.config_tester.create_and_test_config_to_json_file() self.config_tester.create_and_test_config_from_and_save_pretrained() self.config_tester.create_and_test_config_with_num_labels() self.config_tester.check_config_can_be_init_without_params() self.config_tester.check_config_arguments_init() def create_and_test_config_common_properties(self): return 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_image_classification(self): config_and_inputs = self.model_tester.prepare_config_and_inputs() self.model_tester.create_and_check_for_image_classification(*config_and_inputs) @unittest.skip(reason="RegNet does not use inputs_embeds") def test_inputs_embeds(self): pass @unittest.skip(reason="RegNet does not support input and output embeddings") def test_model_common_attributes(self): pass def test_forward_signature(self): config, _ = self.model_tester.prepare_config_and_inputs_for_common() for model_class in self.all_model_classes: model = model_class(config) signature = inspect.signature(model.__call__) # signature.parameters is an OrderedDict => so arg_names order is deterministic arg_names = [*signature.parameters.keys()] expected_arg_names = ["pixel_values"] self.assertListEqual(arg_names[:1], expected_arg_names) def test_hidden_states_output(self): def check_hidden_states_output(inputs_dict, config, model_class): model = model_class(config) outputs = model(**self._prepare_for_class(inputs_dict, model_class)) hidden_states = outputs.encoder_hidden_states if config.is_encoder_decoder else outputs.hidden_states expected_num_stages = self.model_tester.num_stages self.assertEqual(len(hidden_states), expected_num_stages + 1) config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common() for model_class in self.all_model_classes: inputs_dict["output_hidden_states"] = True check_hidden_states_output(inputs_dict, config, model_class) # check that output_hidden_states also work using config del inputs_dict["output_hidden_states"] config.output_hidden_states = True check_hidden_states_output(inputs_dict, config, model_class) def test_jit_compilation(self): config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common() for model_class in self.all_model_classes: with self.subTest(model_class.__name__): prepared_inputs_dict = self._prepare_for_class(inputs_dict, model_class) model = model_class(config) @jax.jit def model_jitted(pixel_values, **kwargs): return model(pixel_values=pixel_values, **kwargs) with self.subTest("JIT Enabled"): jitted_outputs = model_jitted(**prepared_inputs_dict).to_tuple() with self.subTest("JIT Disabled"): with jax.disable_jit(): outputs = model_jitted(**prepared_inputs_dict).to_tuple() self.assertEqual(len(outputs), len(jitted_outputs)) for jitted_output, output in zip(jitted_outputs, outputs): self.assertEqual(jitted_output.shape, output.shape) # 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_flax class FlaxRegNetModelIntegrationTest(unittest.TestCase): @cached_property def default_image_processor(self): return AutoImageProcessor.from_pretrained("facebook/regnet-y-040") if is_vision_available() else None @slow def test_inference_image_classification_head(self): model = FlaxRegNetForImageClassification.from_pretrained("facebook/regnet-y-040") image_processor = self.default_image_processor image = prepare_img() inputs = image_processor(images=image, return_tensors="np") outputs = model(**inputs) # verify the logits expected_shape = (1, 1000) self.assertEqual(outputs.logits.shape, expected_shape) expected_slice = jnp.array([-0.4180, -1.5051, -3.4836]) self.assertTrue(jnp.allclose(outputs.logits[0, :3], expected_slice, atol=1e-4))