# Copyright 2024 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 PyTorch Grounding DINO model."""

import collections
import copy
import inspect
import math
import re
import unittest
from functools import cached_property

from datasets import load_dataset

from transformers import (
    GroundingDinoConfig,
    SwinConfig,
    is_torch_available,
    is_vision_available,
)
from transformers.testing_utils import (
    Expectations,
    is_flaky,
    require_timm,
    require_torch,
    require_torch_accelerator,
    require_vision,
    slow,
    torch_device,
)

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
    import torch

    from transformers import GroundingDinoConfig, GroundingDinoForObjectDetection, GroundingDinoModel
    from transformers.pytorch_utils import id_tensor_storage


if is_vision_available():
    from PIL import Image

    from transformers import AutoProcessor


def generate_fake_bounding_boxes(n_boxes):
    """Generate bounding boxes in the format (center_x, center_y, width, height)"""
    # Validate the input
    if not isinstance(n_boxes, int):
        raise TypeError("n_boxes must be an integer")
    if n_boxes <= 0:
        raise ValueError("n_boxes must be a positive integer")

    # Generate random bounding boxes in the format (center_x, center_y, width, height)
    bounding_boxes = torch.rand((n_boxes, 4))

    # Extract the components
    center_x = bounding_boxes[:, 0]
    center_y = bounding_boxes[:, 1]
    width = bounding_boxes[:, 2]
    height = bounding_boxes[:, 3]

    # Ensure width and height do not exceed bounds
    width = torch.min(width, torch.tensor(1.0))
    height = torch.min(height, torch.tensor(1.0))

    # Ensure the bounding box stays within the normalized space
    center_x = torch.where(center_x - width / 2 < 0, width / 2, center_x)
    center_x = torch.where(center_x + width / 2 > 1, 1 - width / 2, center_x)
    center_y = torch.where(center_y - height / 2 < 0, height / 2, center_y)
    center_y = torch.where(center_y + height / 2 > 1, 1 - height / 2, center_y)

    # Combine back into bounding boxes
    bounding_boxes = torch.stack([center_x, center_y, width, height], dim=1)

    return bounding_boxes


class GroundingDinoModelTester:
    def __init__(
        self,
        parent,
        batch_size=4,
        is_training=True,
        use_labels=True,
        hidden_size=32,
        num_hidden_layers=2,
        num_attention_heads=4,
        intermediate_size=4,
        hidden_act="gelu",
        hidden_dropout_prob=0.1,
        attention_probs_dropout_prob=0.1,
        num_queries=2,
        num_channels=3,
        image_size=98,
        n_targets=8,
        num_labels=2,
        num_feature_levels=4,
        encoder_n_points=2,
        decoder_n_points=6,
        max_text_len=7,
    ):
        self.parent = parent
        self.batch_size = batch_size
        self.is_training = is_training
        self.use_labels = use_labels
        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.num_queries = num_queries
        self.num_channels = num_channels
        self.image_size = image_size
        self.n_targets = n_targets
        self.num_labels = num_labels
        self.num_feature_levels = num_feature_levels
        self.encoder_n_points = encoder_n_points
        self.decoder_n_points = decoder_n_points
        self.max_text_len = max_text_len

        # we also set the expected seq length for both encoder and decoder
        self.encoder_seq_length_vision = (
            math.ceil(self.image_size / 8) ** 2
            + math.ceil(self.image_size / 16) ** 2
            + math.ceil(self.image_size / 32) ** 2
            + math.ceil(self.image_size / 64) ** 2
        )

        self.encoder_seq_length_text = self.max_text_len

        self.decoder_seq_length = self.num_queries

    def prepare_config_and_inputs(self):
        pixel_values = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size])
        pixel_mask = torch.ones([self.batch_size, self.image_size, self.image_size], device=torch_device)

        # When using `GroundingDino` the text input template is '{label1}. {label2}. {label3. ... {labelN}.'
        # Therefore to avoid errors when running tests with `labels` `input_ids` have to follow this structure.
        # Otherwise when running `build_label_maps` it will throw an error when trying to split the input_ids into segments.
        input_ids = torch.tensor([101, 3869, 1012, 11420, 3869, 1012, 102], device=torch_device)
        input_ids = input_ids.unsqueeze(0).expand(self.batch_size, -1)

        labels = None
        if self.use_labels:
            # labels is a list of Dict (each Dict being the labels for a given example in the batch)
            labels = []
            for i in range(self.batch_size):
                target = {}
                target["class_labels"] = torch.randint(
                    high=self.num_labels, size=(self.n_targets,), device=torch_device
                )
                target["boxes"] = generate_fake_bounding_boxes(self.n_targets).to(torch_device)
                target["masks"] = torch.rand(self.n_targets, self.image_size, self.image_size, device=torch_device)
                labels.append(target)

        config = self.get_config()
        return config, pixel_values, pixel_mask, input_ids, labels

    def get_config(self):
        swin_config = SwinConfig(
            window_size=7,
            embed_dim=8,
            depths=[1, 1, 1, 1],
            num_heads=[1, 1, 1, 1],
            image_size=self.image_size,
            out_features=["stage2", "stage3", "stage4"],
            out_indices=[2, 3, 4],
        )
        text_backbone = {
            "hidden_size": 8,
            "num_hidden_layers": 2,
            "num_attention_heads": 2,
            "intermediate_size": 8,
            "max_position_embeddings": 8,
            "model_type": "bert",
        }
        return GroundingDinoConfig(
            d_model=self.hidden_size,
            encoder_layers=self.num_hidden_layers,
            decoder_layers=self.num_hidden_layers,
            encoder_attention_heads=self.num_attention_heads,
            decoder_attention_heads=self.num_attention_heads,
            encoder_ffn_dim=self.intermediate_size,
            decoder_ffn_dim=self.intermediate_size,
            dropout=self.hidden_dropout_prob,
            attention_dropout=self.attention_probs_dropout_prob,
            num_queries=self.num_queries,
            num_labels=self.num_labels,
            num_feature_levels=self.num_feature_levels,
            encoder_n_points=self.encoder_n_points,
            decoder_n_points=self.decoder_n_points,
            use_timm_backbone=False,
            backbone_config=swin_config,
            max_text_len=self.max_text_len,
            text_config=text_backbone,
        )

    def prepare_config_and_inputs_for_common(self):
        config, pixel_values, pixel_mask, input_ids, labels = self.prepare_config_and_inputs()
        inputs_dict = {"pixel_values": pixel_values, "pixel_mask": pixel_mask, "input_ids": input_ids}
        return config, inputs_dict

    def create_and_check_model(self, config, pixel_values, pixel_mask, input_ids, labels):
        model = GroundingDinoModel(config=config)
        model.to(torch_device)
        model.eval()

        result = model(pixel_values=pixel_values, pixel_mask=pixel_mask, input_ids=input_ids)

        self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.num_queries, self.hidden_size))

    def create_and_check_object_detection_head_model(self, config, pixel_values, pixel_mask, input_ids, labels):
        model = GroundingDinoForObjectDetection(config=config)
        model.to(torch_device)
        model.eval()

        result = model(pixel_values=pixel_values, pixel_mask=pixel_mask, input_ids=input_ids)

        self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_queries, config.max_text_len))
        self.parent.assertEqual(result.pred_boxes.shape, (self.batch_size, self.num_queries, 4))

        result = model(pixel_values=pixel_values, pixel_mask=pixel_mask, input_ids=input_ids, labels=labels)

        self.parent.assertEqual(result.loss.shape, ())
        self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_queries, config.max_text_len))
        self.parent.assertEqual(result.pred_boxes.shape, (self.batch_size, self.num_queries, 4))


@require_torch
class GroundingDinoModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
    all_model_classes = (GroundingDinoModel, GroundingDinoForObjectDetection) if is_torch_available() else ()
    is_encoder_decoder = True

    test_missing_keys = False
    pipeline_model_mapping = (
        {"image-feature-extraction": GroundingDinoModel, "zero-shot-object-detection": GroundingDinoForObjectDetection}
        if is_torch_available()
        else {}
    )

    # special case for head models
    def _prepare_for_class(self, inputs_dict, model_class, return_labels=False):
        inputs_dict = super()._prepare_for_class(inputs_dict, model_class, return_labels=return_labels)

        if return_labels:
            if model_class.__name__ == "GroundingDinoForObjectDetection":
                labels = []
                for i in range(self.model_tester.batch_size):
                    target = {}
                    target["class_labels"] = torch.ones(
                        size=(self.model_tester.n_targets,), device=torch_device, dtype=torch.long
                    )
                    target["boxes"] = torch.ones(
                        self.model_tester.n_targets, 4, device=torch_device, dtype=torch.float
                    )
                    target["masks"] = torch.ones(
                        self.model_tester.n_targets,
                        self.model_tester.image_size,
                        self.model_tester.image_size,
                        device=torch_device,
                        dtype=torch.float,
                    )
                    labels.append(target)
                inputs_dict["labels"] = labels

        return inputs_dict

    def setUp(self):
        self.model_tester = GroundingDinoModelTester(self)
        self.config_tester = ConfigTester(
            self,
            config_class=GroundingDinoConfig,
            has_text_modality=False,
            common_properties=["d_model", "encoder_attention_heads", "decoder_attention_heads"],
        )

    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_object_detection_head_model(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.create_and_check_object_detection_head_model(*config_and_inputs)

    @unittest.skip(reason="Grounding DINO does not use inputs_embeds")
    def test_inputs_embeds(self):
        pass

    @unittest.skip(reason="Grounding DINO does not have a get_input_embeddings method")
    def test_model_get_set_embeddings(self):
        pass

    @unittest.skip(reason="Grounding DINO does not use token embeddings")
    def test_resize_tokens_embeddings(self):
        pass

    @unittest.skip(reason="Feed forward chunking is not implemented")
    def test_feed_forward_chunking(self):
        pass

    @unittest.skip(reason="Weight tying is hardcoded (module_x = module_y) and always `True`")
    def test_load_save_without_tied_weights(self):
        pass

    def test_tie_weights_is_not_modified(self):
        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
        config.tie_word_embeddings = True

        config.decoder_bbox_embed_share = False
        model = GroundingDinoForObjectDetection(config)
        self.assertFalse(r"bbox_embed.(?![0])\d+" in model._tied_weights_keys)

        # if we update config attr, model's tied weights keys also change
        config.decoder_bbox_embed_share = True
        model = GroundingDinoForObjectDetection(config)
        self.assertTrue(r"bbox_embed.(?![0])\d+" in model._tied_weights_keys)

    def test_attention_outputs(self):
        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
        config.return_dict = True

        for model_class in self.all_model_classes:
            inputs_dict["output_attentions"] = True
            inputs_dict["output_hidden_states"] = False
            config.return_dict = True
            model = model_class._from_config(config, attn_implementation="eager")
            config = model.config
            model.to(torch_device)
            model.eval()
            with torch.no_grad():
                outputs = model(**self._prepare_for_class(inputs_dict, model_class))
            attentions = outputs.encoder_attentions[-1]
            self.assertEqual(len(attentions), self.model_tester.num_hidden_layers)

            # check that output_attentions also work using config
            del inputs_dict["output_attentions"]
            config.output_attentions = True
            model = model_class(config)
            model.to(torch_device)
            model.eval()
            with torch.no_grad():
                outputs = model(**self._prepare_for_class(inputs_dict, model_class))
            attentions = outputs.encoder_attentions[-1]
            self.assertEqual(len(attentions), self.model_tester.num_hidden_layers)

            self.assertListEqual(
                list(attentions[0].shape[-3:]),
                [
                    self.model_tester.num_attention_heads,
                    self.model_tester.num_feature_levels,
                    self.model_tester.encoder_n_points,
                ],
            )
            out_len = len(outputs)

            correct_outlen = 12

            # loss is at first position
            if "labels" in inputs_dict:
                correct_outlen += 1  # loss is added to beginning
            # Object Detection model returns pred_logits and pred_boxes and input_ids
            if model_class.__name__ == "GroundingDinoForObjectDetection":
                correct_outlen += 3

            self.assertEqual(out_len, correct_outlen)

            # decoder attentions
            decoder_attentions = outputs.decoder_attentions[0]
            self.assertIsInstance(decoder_attentions, (list, tuple))
            self.assertEqual(len(decoder_attentions), self.model_tester.num_hidden_layers)
            self.assertListEqual(
                list(decoder_attentions[0].shape[-3:]),
                [self.model_tester.num_attention_heads, self.model_tester.num_queries, self.model_tester.num_queries],
            )

            # cross attentions
            cross_attentions = outputs.decoder_attentions[-1]
            self.assertIsInstance(cross_attentions, (list, tuple))
            self.assertEqual(len(cross_attentions), self.model_tester.num_hidden_layers)
            self.assertListEqual(
                list(cross_attentions[0].shape[-3:]),
                [
                    self.model_tester.num_attention_heads,
                    self.model_tester.num_feature_levels,
                    self.model_tester.decoder_n_points,
                ],
            )

            # Check attention is always last and order is fine
            inputs_dict["output_attentions"] = True
            inputs_dict["output_hidden_states"] = True
            model = model_class(config)
            model.to(torch_device)
            model.eval()
            with torch.no_grad():
                outputs = model(**self._prepare_for_class(inputs_dict, model_class))

            self.assertEqual(out_len + 3, len(outputs))

            self_attentions = outputs.encoder_attentions[-1]

            self.assertEqual(len(self_attentions), self.model_tester.num_hidden_layers)
            self.assertListEqual(
                list(self_attentions[0].shape[-3:]),
                [
                    self.model_tester.num_attention_heads,
                    self.model_tester.num_feature_levels,
                    self.model_tester.encoder_n_points,
                ],
            )

    # overwrite since hidden_states are called encoder_text_hidden_states
    def test_hidden_states_output(self):
        def check_hidden_states_output(inputs_dict, config, model_class):
            model = model_class(config)
            model.to(torch_device)
            model.eval()

            with torch.no_grad():
                outputs = model(**self._prepare_for_class(inputs_dict, model_class))

            hidden_states = outputs.encoder_vision_hidden_states

            expected_num_layers = getattr(
                self.model_tester, "expected_num_hidden_layers", self.model_tester.num_hidden_layers + 1
            )
            self.assertEqual(len(hidden_states), expected_num_layers)

            seq_len = self.model_tester.encoder_seq_length_vision

            self.assertListEqual(
                list(hidden_states[0].shape[-2:]),
                [seq_len, self.model_tester.hidden_size],
            )

            hidden_states = outputs.encoder_text_hidden_states

            self.assertEqual(len(hidden_states), expected_num_layers)

            seq_len = self.model_tester.encoder_seq_length_text

            self.assertListEqual(
                list(hidden_states[0].shape[-2:]),
                [seq_len, self.model_tester.hidden_size],
            )

            hidden_states = outputs.decoder_hidden_states

            self.assertIsInstance(hidden_states, (list, tuple))
            self.assertEqual(len(hidden_states), expected_num_layers)
            seq_len = getattr(self.model_tester, "seq_length", None)
            decoder_seq_length = getattr(self.model_tester, "decoder_seq_length", seq_len)

            self.assertListEqual(
                list(hidden_states[0].shape[-2:]),
                [decoder_seq_length, self.model_tester.hidden_size],
            )

        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)

    # removed retain_grad and grad on decoder_hidden_states, as queries don't require grad
    def test_retain_grad_hidden_states_attentions(self):
        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
        config.output_hidden_states = True
        config.output_attentions = True

        # no need to test all models as different heads yield the same functionality
        model_class = self.all_model_classes[0]
        model = model_class(config)
        model.to(torch_device)

        inputs = self._prepare_for_class(inputs_dict, model_class)

        outputs = model(**inputs)

        output = outputs[0]

        encoder_hidden_states = outputs.encoder_vision_hidden_states[0]
        encoder_attentions = outputs.encoder_attentions[0][0]
        encoder_hidden_states.retain_grad()
        encoder_attentions.retain_grad()

        cross_attentions = outputs.decoder_attentions[-1][0]
        cross_attentions.retain_grad()

        output.flatten()[0].backward(retain_graph=True)

        self.assertIsNotNone(encoder_hidden_states.grad)
        self.assertIsNotNone(encoder_attentions.grad)
        self.assertIsNotNone(cross_attentions.grad)

    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.forward)
            # signature.parameters is an OrderedDict => so arg_names order is deterministic
            arg_names = [*signature.parameters.keys()]

            expected_arg_names = ["pixel_values", "input_ids"]
            self.assertListEqual(arg_names[: len(expected_arg_names)], expected_arg_names)

    def test_backbone_selection(self):
        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()

        def _validate_backbone_init(config):
            for model_class in self.all_model_classes:
                model = model_class(copy.deepcopy(config))
                model.to(torch_device)
                model.eval()
                with torch.no_grad():
                    outputs = model(**self._prepare_for_class(inputs_dict, model_class))

                if model_class.__name__ == "GroundingDinoForObjectDetection":
                    expected_shape = (
                        self.model_tester.batch_size,
                        self.model_tester.num_queries,
                        config.max_text_len,
                    )
                    self.assertEqual(outputs.logits.shape, expected_shape)

                self.assertTrue(outputs)

        # These kwargs are all removed and are supported only for BC
        # In new models we have only `backbone_config`. Let's test that there is no regression
        # let's test a random timm backbone
        config_dict = config.to_dict()
        config_dict["backbone"] = "tf_mobilenetv3_small_075"
        config_dict["use_timm_backbone"] = True
        config_dict["backbone_config"] = None
        config_dict["backbone_kwargs"] = {"in_chans": 3, "out_indices": (2, 3, 4)}
        config = config.__class__(**config_dict)
        _validate_backbone_init(config)

        # Test a pretrained HF checkpoint as backbone
        config_dict = config.to_dict()
        config_dict["backbone"] = "microsoft/resnet-18"
        config_dict["backbone_config"] = None
        config_dict["use_timm_backbone"] = False
        config_dict["use_pretrained_backbone"] = True
        config_dict["backbone_kwargs"] = {"out_indices": [2, 3, 4]}
        config = config.__class__(**config_dict)
        _validate_backbone_init(config)

    # Copied from tests.models.deformable_detr.test_modeling_deformable_detr.DeformableDetrModelTest.test_two_stage_training with DeformableDetr->GroundingDino
    def test_two_stage_training(self):
        model_class = GroundingDinoForObjectDetection
        config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
        config.return_dict = True
        config.two_stage = True
        config.auxiliary_loss = True
        config.with_box_refine = True

        model = model_class(config)
        model.to(torch_device)
        model.train()
        inputs = self._prepare_for_class(inputs_dict, model_class, return_labels=True)
        loss = model(**inputs).loss
        loss.backward()

    def test_tied_weights_keys(self):
        config, _ = self.model_tester.prepare_config_and_inputs_for_common()
        config.tie_word_embeddings = True
        for model_class in self.all_model_classes:
            model_tied = model_class(config)

            ptrs = collections.defaultdict(list)
            for name, tensor in model_tied.state_dict().items():
                ptrs[id_tensor_storage(tensor)].append(name)

            # These are all the pointers of shared tensors.
            tied_params = [names for _, names in ptrs.items() if len(names) > 1]

            tied_weight_keys = model_tied._tied_weights_keys if model_tied._tied_weights_keys is not None else []
            # Detect we get a hit for each key
            for key in tied_weight_keys:
                if not any(re.search(key, p) for group in tied_params for p in group):
                    raise ValueError(f"{key} is not a tied weight key for {model_class}.")

            # Removed tied weights found from tied params -> there should only be one left after
            for key in tied_weight_keys:
                for i in range(len(tied_params)):
                    tied_params[i] = [p for p in tied_params[i] if re.search(key, p) is None]

            # GroundingDino when sharing weights also uses the shared ones in GroundingDinoDecoder
            # Therefore, differently from DeformableDetr, we expect the group lens to be 2
            # one for self.bbox_embed in GroundingDinoForObjectDetection and another one
            # in the decoder
            tied_params = [group for group in tied_params if len(group) > 2]
            self.assertListEqual(
                tied_params,
                [],
                f"Missing `_tied_weights_keys` for {model_class}: add all of {tied_params} except one.",
            )


# 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


def prepare_text():
    text = "a cat."
    return text


@require_timm
@require_vision
@slow
class GroundingDinoModelIntegrationTests(unittest.TestCase):
    @cached_property
    def default_processor(self):
        return AutoProcessor.from_pretrained("IDEA-Research/grounding-dino-tiny") if is_vision_available() else None

    def test_inference_object_detection_head(self):
        model = GroundingDinoForObjectDetection.from_pretrained("IDEA-Research/grounding-dino-tiny").to(torch_device)

        processor = self.default_processor
        image = prepare_img()
        text = prepare_text()
        encoding = processor(images=image, text=text, return_tensors="pt").to(torch_device)

        with torch.no_grad():
            outputs = model(**encoding)

        expected_shape_logits = torch.Size((1, model.config.num_queries, model.config.d_model))
        self.assertEqual(outputs.logits.shape, expected_shape_logits)

        expectations = Expectations(
            {
                (None, None): [[0.7674, 0.4136, 0.4572], [0.2566, 0.5463, 0.4760], [0.2585, 0.5442, 0.4641]],
                ("cuda", 8): [[0.7674, 0.4135, 0.4571], [0.2566, 0.5463, 0.4760], [0.2585, 0.5442, 0.4640]],
            }
        )
        expected_boxes = torch.tensor(expectations.get_expectation()).to(torch_device)

        expectations = Expectations(
            {
                (None, None): [[-4.8913, -0.1900, -0.2161], [-4.9653, -0.3719, -0.3950], [-5.9599, -3.3765, -3.3104]],
                ("cuda", 8): [[-4.8915, -0.1900, -0.2161], [-4.9658, -0.3716, -0.3948], [-5.9596, -3.3763, -3.3103]],
            }
        )
        expected_logits = torch.tensor(expectations.get_expectation()).to(torch_device)

        torch.testing.assert_close(outputs.logits[0, :3, :3], expected_logits, rtol=1e-3, atol=1e-3)

        expected_shape_boxes = torch.Size((1, model.config.num_queries, 4))
        self.assertEqual(outputs.pred_boxes.shape, expected_shape_boxes)
        torch.testing.assert_close(outputs.pred_boxes[0, :3, :3], expected_boxes, rtol=2e-4, atol=2e-4)

        # verify postprocessing
        results = processor.image_processor.post_process_object_detection(
            outputs, threshold=0.35, target_sizes=[(image.height, image.width)]
        )[0]

        expectations = Expectations(
            {
                (None, None): [0.4526, 0.4082],
                ("cuda", 8): [0.4524, 0.4074],
            }
        )
        expected_scores = torch.tensor(expectations.get_expectation()).to(torch_device)

        expectations = Expectations(
            {
                (None, None): [344.8143, 23.1796, 637.4004, 373.8295],
                ("cuda", 8): [344.8210, 23.1831, 637.3943, 373.8227],
            }
        )
        expected_slice_boxes = torch.tensor(expectations.get_expectation()).to(torch_device)

        self.assertEqual(len(results["scores"]), 2)
        torch.testing.assert_close(results["scores"], expected_scores, rtol=1e-3, atol=1e-3)
        torch.testing.assert_close(results["boxes"][0, :], expected_slice_boxes, rtol=1e-2, atol=1e-2)

        # verify grounded postprocessing
        expected_labels = ["a cat", "a cat"]
        results = processor.post_process_grounded_object_detection(
            outputs=outputs,
            input_ids=encoding.input_ids,
            threshold=0.35,
            text_threshold=0.3,
            target_sizes=[(image.height, image.width)],
        )[0]

        torch.testing.assert_close(results["scores"], expected_scores, rtol=1e-3, atol=1e-3)
        torch.testing.assert_close(results["boxes"][0, :], expected_slice_boxes, rtol=1e-2, atol=1e-2)
        self.assertListEqual(results["text_labels"], expected_labels)

    @require_torch_accelerator
    @is_flaky()
    def test_inference_object_detection_head_equivalence_cpu_accelerator(self):
        processor = self.default_processor
        image = prepare_img()
        text = prepare_text()
        encoding = processor(images=image, text=text, return_tensors="pt")

        # 1. run model on CPU
        model = GroundingDinoForObjectDetection.from_pretrained("IDEA-Research/grounding-dino-tiny")

        with torch.no_grad():
            cpu_outputs = model(**encoding)

        # 2. run model on accelerator
        model.to(torch_device)
        encoding = encoding.to(torch_device)
        with torch.no_grad():
            gpu_outputs = model(**encoding)

        # 3. assert equivalence
        for key in cpu_outputs:
            torch.testing.assert_close(cpu_outputs[key], gpu_outputs[key].cpu(), rtol=1e-3, atol=1e-3)

        expected_logits = torch.tensor(
            [[-4.8915, -0.1900, -0.2161], [-4.9658, -0.3716, -0.3948], [-5.9596, -3.3763, -3.3103]]
        )
        torch.testing.assert_close(cpu_outputs.logits[0, :3, :3], expected_logits, rtol=1e-3, atol=1e-3)

        # assert postprocessing
        results_cpu = processor.image_processor.post_process_object_detection(
            cpu_outputs, threshold=0.35, target_sizes=[(image.height, image.width)]
        )[0]

        result_gpu = processor.image_processor.post_process_object_detection(
            gpu_outputs, threshold=0.35, target_sizes=[(image.height, image.width)]
        )[0]

        torch.testing.assert_close(results_cpu["scores"], result_gpu["scores"].cpu(), rtol=1e-3, atol=1e-3)
        torch.testing.assert_close(results_cpu["boxes"], result_gpu["boxes"].cpu(), rtol=1e-3, atol=1e-3)

    @is_flaky()
    def test_cross_attention_mask(self):
        model = GroundingDinoForObjectDetection.from_pretrained("IDEA-Research/grounding-dino-tiny").to(torch_device)

        processor = self.default_processor
        image = prepare_img()
        text1 = "a cat."
        text2 = "a remote control."
        text_batched = [text1, text2]

        encoding1 = processor(images=image, text=text1, return_tensors="pt").to(torch_device)
        encoding2 = processor(images=image, text=text2, return_tensors="pt").to(torch_device)
        # If we batch the text and cross attention masking is working the batched result should be equal to
        # The single text result
        encoding_batched = processor(
            images=[image] * len(text_batched), text=text_batched, padding="longest", return_tensors="pt"
        ).to(torch_device)

        with torch.no_grad():
            outputs1 = model(**encoding1)
            outputs2 = model(**encoding2)
            outputs_batched = model(**encoding_batched)

        torch.testing.assert_close(outputs1.logits, outputs_batched.logits[:1], rtol=1e-3, atol=1e-3)
        # For some reason 12 elements are > 1e-3, but the rest are fine
        self.assertTrue(torch.allclose(outputs2.logits, outputs_batched.logits[1:], atol=1.8e-3))

    def test_grounding_dino_loss(self):
        ds = load_dataset("EduardoPacheco/aquarium-sample", split="train")
        image_processor = self.default_processor.image_processor
        tokenizer = self.default_processor.tokenizer
        id2label = {0: "fish", 1: "jellyfish", 2: "penguins", 3: "sharks", 4: "puffins", 5: "stingrays", 6: "starfish"}
        prompt = ". ".join(id2label.values()) + "."

        text_inputs = tokenizer([prompt, prompt], return_tensors="pt")
        image_inputs = image_processor(
            images=list(ds["image"]), annotations=list(ds["annotations"]), return_tensors="pt"
        )

        # Passing auxiliary_loss=True to compare with the expected loss
        model = GroundingDinoForObjectDetection.from_pretrained(
            "IDEA-Research/grounding-dino-tiny",
            auxiliary_loss=True,
        )
        # Interested in the loss only
        model.eval()
        with torch.no_grad():
            outputs = model(**text_inputs, **image_inputs)

        # Loss differs by CPU and accelerator, also this can be changed in future.
        expected_loss_dicts = Expectations(
            {
                 ("xpu", 3): {
                                    "loss_ce": torch.tensor(1.1147),
                                    "loss_bbox": torch.tensor(0.2031),
                                    "loss_giou": torch.tensor(0.5819),
                                    "loss_ce_0": torch.tensor(1.1941),
                                    "loss_bbox_0": torch.tensor(0.1978),
                                    "loss_giou_0": torch.tensor(0.5524),
                                    "loss_ce_1": torch.tensor(1.1621),
                                    "loss_bbox_1": torch.tensor(0.1909),
                                    "loss_giou_1": torch.tensor(0.5892),
                                    "loss_ce_2": torch.tensor(1.1641),
                                    "loss_bbox_2": torch.tensor(0.1892),
                                    "loss_giou_2": torch.tensor(0.5626),
                                    "loss_ce_3": torch.tensor(1.1943),
                                    "loss_bbox_3": torch.tensor(0.1941),
                                    "loss_giou_3": torch.tensor(0.5592),
                                    "loss_ce_4": torch.tensor(1.0956),
                                    "loss_bbox_4": torch.tensor(0.2037),
                                    "loss_giou_4": torch.tensor(0.5813),
                                    "loss_ce_enc": torch.tensor(16226.3164),
                                    "loss_bbox_enc": torch.tensor(0.3063),
                                    "loss_giou_enc": torch.tensor(0.7380),
                },
                ("cuda", None): {
                                    "loss_ce": torch.tensor(1.1147),
                                    "loss_bbox": torch.tensor(0.2031),
                                    "loss_giou": torch.tensor(0.5819),
                                    "loss_ce_0": torch.tensor(1.1941),
                                    "loss_bbox_0": torch.tensor(0.1978),
                                    "loss_giou_0": torch.tensor(0.5524),
                                    "loss_ce_1": torch.tensor(1.1621),
                                    "loss_bbox_1": torch.tensor(0.1909),
                                    "loss_giou_1": torch.tensor(0.5892),
                                    "loss_ce_2": torch.tensor(1.1641),
                                    "loss_bbox_2": torch.tensor(0.1892),
                                    "loss_giou_2": torch.tensor(0.5626),
                                    "loss_ce_3": torch.tensor(1.1943),
                                    "loss_bbox_3": torch.tensor(0.1941),
                                    "loss_giou_3": torch.tensor(0.5607),
                                    "loss_ce_4": torch.tensor(1.0956),
                                    "loss_bbox_4": torch.tensor(0.2008),
                                    "loss_giou_4": torch.tensor(0.5836),
                                    "loss_ce_enc": torch.tensor(16226.3164),
                                    "loss_bbox_enc": torch.tensor(0.3063),
                                    "loss_giou_enc": torch.tensor(0.7380),
                },
            }
        )  # fmt: skip
        expected_loss_dict = expected_loss_dicts.get_expectation()

        expected_loss = torch.tensor(32482.2305)

        for key in expected_loss_dict:
            torch.testing.assert_close(outputs.loss_dict[key], expected_loss_dict[key], rtol=1e-5, atol=1e-3)

        self.assertTrue(torch.allclose(outputs.loss, expected_loss, atol=1e-3))
