# Copyright 2021 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 UniSpeechSat model."""

import math
import unittest

import numpy as np
import pytest
from datasets import load_dataset

from transformers import UniSpeechSatConfig, is_torch_available
from transformers.testing_utils import require_torch, require_torchcodec, slow, torch_device

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 (
        UniSpeechSatForAudioFrameClassification,
        UniSpeechSatForCTC,
        UniSpeechSatForPreTraining,
        UniSpeechSatForSequenceClassification,
        UniSpeechSatForXVector,
        UniSpeechSatModel,
        Wav2Vec2FeatureExtractor,
        Wav2Vec2Processor,
    )


class UniSpeechSatModelTester:
    def __init__(
        self,
        parent,
        batch_size=13,
        seq_length=1024,  # speech is longer
        is_training=False,
        hidden_size=16,
        feat_extract_norm="group",
        feat_extract_dropout=0.0,
        feat_extract_activation="gelu",
        conv_dim=(32, 32, 32),
        conv_stride=(4, 4, 4),
        conv_kernel=(8, 8, 8),
        conv_bias=False,
        num_conv_pos_embeddings=16,
        num_conv_pos_embedding_groups=2,
        num_hidden_layers=2,
        num_attention_heads=2,
        hidden_dropout_prob=0.1,  # this is most likely not correctly set yet
        intermediate_size=20,
        layer_norm_eps=1e-5,
        hidden_act="gelu",
        initializer_range=0.02,
        mask_time_prob=0.5,
        mask_time_length=2,
        vocab_size=32,
        do_stable_layer_norm=False,
        tdnn_dim=(32, 32),
        tdnn_kernel=(3, 3),
        tdnn_dilation=(1, 1),
        xvector_output_dim=32,
        scope=None,
    ):
        self.parent = parent
        self.batch_size = batch_size
        self.seq_length = seq_length
        self.is_training = is_training
        self.hidden_size = hidden_size
        self.feat_extract_norm = feat_extract_norm
        self.feat_extract_dropout = feat_extract_dropout
        self.feat_extract_activation = feat_extract_activation
        self.conv_dim = conv_dim
        self.conv_stride = conv_stride
        self.conv_kernel = conv_kernel
        self.conv_bias = conv_bias
        self.num_conv_pos_embeddings = num_conv_pos_embeddings
        self.num_conv_pos_embedding_groups = num_conv_pos_embedding_groups
        self.num_hidden_layers = num_hidden_layers
        self.num_attention_heads = num_attention_heads
        self.hidden_dropout_prob = hidden_dropout_prob
        self.intermediate_size = intermediate_size
        self.layer_norm_eps = layer_norm_eps
        self.hidden_act = hidden_act
        self.initializer_range = initializer_range
        self.vocab_size = vocab_size
        self.do_stable_layer_norm = do_stable_layer_norm
        self.mask_time_prob = mask_time_prob
        self.mask_time_length = mask_time_length
        self.tdnn_dim = tdnn_dim
        self.tdnn_kernel = tdnn_kernel
        self.tdnn_dilation = tdnn_dilation
        self.xvector_output_dim = xvector_output_dim
        self.scope = scope

        output_seq_length = self.seq_length
        for kernel, stride in zip(self.conv_kernel, self.conv_stride):
            output_seq_length = (output_seq_length - (kernel - 1)) / stride
        self.output_seq_length = int(math.ceil(output_seq_length))
        self.encoder_seq_length = self.output_seq_length

    def prepare_config_and_inputs(self):
        input_values = floats_tensor([self.batch_size, self.seq_length], scale=1.0)
        attention_mask = random_attention_mask([self.batch_size, self.seq_length])

        config = self.get_config()

        return config, input_values, attention_mask

    def get_config(self):
        return UniSpeechSatConfig(
            hidden_size=self.hidden_size,
            feat_extract_norm=self.feat_extract_norm,
            feat_extract_dropout=self.feat_extract_dropout,
            feat_extract_activation=self.feat_extract_activation,
            conv_dim=self.conv_dim,
            conv_stride=self.conv_stride,
            conv_kernel=self.conv_kernel,
            conv_bias=self.conv_bias,
            num_conv_pos_embeddings=self.num_conv_pos_embeddings,
            num_conv_pos_embedding_groups=self.num_conv_pos_embedding_groups,
            mask_time_prob=self.mask_time_prob,
            mask_time_length=self.mask_time_length,
            num_hidden_layers=self.num_hidden_layers,
            num_attention_heads=self.num_attention_heads,
            hidden_dropout_prob=self.hidden_dropout_prob,
            intermediate_size=self.intermediate_size,
            layer_norm_eps=self.layer_norm_eps,
            hidden_act=self.hidden_act,
            initializer_range=self.initializer_range,
            vocab_size=self.vocab_size,
            tdnn_dim=self.tdnn_dim,
            tdnn_kernel=self.tdnn_kernel,
            tdnn_dilation=self.tdnn_dilation,
            xvector_output_dim=self.xvector_output_dim,
        )

    def create_and_check_model(self, config, input_values, attention_mask):
        model = UniSpeechSatModel(config=config)
        model.to(torch_device)
        model.eval()
        result = model(input_values, attention_mask=attention_mask)
        self.parent.assertEqual(
            result.last_hidden_state.shape, (self.batch_size, self.output_seq_length, self.hidden_size)
        )

    def create_and_check_batch_inference(self, config, input_values, *args):
        # test does not pass for models making use of `group_norm`
        # check: https://github.com/pytorch/fairseq/issues/3227
        model = UniSpeechSatModel(config=config)
        model.to(torch_device)
        model.eval()

        input_values = input_values[:3]
        attention_mask = torch.ones(input_values.shape, device=torch_device, dtype=torch.bool)

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0
            attention_mask[i, input_lengths[i] :] = 0.0

        batch_outputs = model(input_values, attention_mask=attention_mask).last_hidden_state

        for i in range(input_values.shape[0]):
            input_slice = input_values[i : i + 1, : input_lengths[i]]
            output = model(input_slice).last_hidden_state

            batch_output = batch_outputs[i : i + 1, : output.shape[1]]
            self.parent.assertTrue(torch.allclose(output, batch_output, atol=1e-3))

    def check_ctc_loss(self, config, input_values, *args):
        model = UniSpeechSatForCTC(config=config)
        model.to(torch_device)

        # make sure that dropout is disabled
        model.eval()

        input_values = input_values[:3]
        attention_mask = torch.ones(input_values.shape, device=torch_device, dtype=torch.long)

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        max_length_labels = model._get_feat_extract_output_lengths(torch.tensor(input_lengths))
        labels = ids_tensor((input_values.shape[0], min(max_length_labels) - 1), model.config.vocab_size)

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0
            attention_mask[i, input_lengths[i] :] = 0

        model.config.ctc_loss_reduction = "sum"
        sum_loss = model(input_values, attention_mask=attention_mask, labels=labels).loss.item()

        model.config.ctc_loss_reduction = "mean"
        mean_loss = model(input_values, attention_mask=attention_mask, labels=labels).loss.item()

        self.parent.assertTrue(isinstance(sum_loss, float))
        self.parent.assertTrue(isinstance(mean_loss, float))

    def check_seq_classifier_loss(self, config, input_values, *args):
        model = UniSpeechSatForSequenceClassification(config=config)
        model.to(torch_device)

        # make sure that dropout is disabled
        model.eval()

        input_values = input_values[:3]
        attention_mask = torch.ones(input_values.shape, device=torch_device, dtype=torch.long)

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        labels = ids_tensor((input_values.shape[0], 1), len(model.config.id2label))

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0
            attention_mask[i, input_lengths[i] :] = 0

        masked_loss = model(input_values, attention_mask=attention_mask, labels=labels).loss.item()
        unmasked_loss = model(input_values, labels=labels).loss.item()

        self.parent.assertTrue(isinstance(masked_loss, float))
        self.parent.assertTrue(isinstance(unmasked_loss, float))
        self.parent.assertTrue(masked_loss != unmasked_loss)

    def check_ctc_training(self, config, input_values, *args):
        config.ctc_zero_infinity = True
        model = UniSpeechSatForCTC(config=config)
        model.to(torch_device)
        model.train()

        # freeze feature encoder
        model.freeze_feature_encoder()

        input_values = input_values[:3]

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        max_length_labels = model._get_feat_extract_output_lengths(torch.tensor(input_lengths))
        labels = ids_tensor((input_values.shape[0], max(max_length_labels) - 2), model.config.vocab_size)

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0

            if max_length_labels[i] < labels.shape[-1]:
                # it's important that we make sure that target lengths are at least
                # one shorter than logit lengths to prevent -inf
                labels[i, max_length_labels[i] - 1 :] = -100

        loss = model(input_values, labels=labels).loss
        self.parent.assertFalse(torch.isinf(loss).item())

        loss.backward()

    def check_seq_classifier_training(self, config, input_values, *args):
        config.ctc_zero_infinity = True
        model = UniSpeechSatForSequenceClassification(config=config)
        model.to(torch_device)
        model.train()

        # freeze everything but the classification head
        model.freeze_base_model()

        input_values = input_values[:3]

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        labels = ids_tensor((input_values.shape[0], 1), len(model.config.id2label))

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0

        loss = model(input_values, labels=labels).loss
        self.parent.assertFalse(torch.isinf(loss).item())

        loss.backward()

    def check_xvector_training(self, config, *args):
        config.ctc_zero_infinity = True
        model = UniSpeechSatForXVector(config=config)
        model.to(torch_device)
        model.train()

        # freeze everything but the classification head
        model.freeze_base_model()

        # use a longer sequence length to account for TDNN temporal downsampling
        input_values = floats_tensor([self.batch_size, self.seq_length * 2], scale=1.0)

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        labels = ids_tensor((input_values.shape[0], 1), len(model.config.id2label))

        # pad input
        for i in range(len(input_lengths)):
            input_values[i, input_lengths[i] :] = 0.0

        loss = model(input_values, labels=labels).loss
        self.parent.assertFalse(torch.isinf(loss).item())

        loss.backward()

    def check_labels_out_of_vocab(self, config, input_values, *args):
        model = UniSpeechSatForCTC(config)
        model.to(torch_device)
        model.train()

        input_values = input_values[:3]

        input_lengths = [input_values.shape[-1] // i for i in [4, 2, 1]]
        max_length_labels = model._get_feat_extract_output_lengths(torch.tensor(input_lengths))
        labels = ids_tensor((input_values.shape[0], max(max_length_labels) - 2), model.config.vocab_size + 100)

        with pytest.raises(ValueError):
            model(input_values, labels=labels)

    def prepare_config_and_inputs_for_common(self):
        config, input_values, attention_mask = self.prepare_config_and_inputs()
        inputs_dict = {"input_values": input_values, "attention_mask": attention_mask}
        return config, inputs_dict


@require_torch
class UniSpeechSatModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
    all_model_classes = (
        (
            UniSpeechSatForCTC,
            UniSpeechSatForPreTraining,
            UniSpeechSatModel,
            UniSpeechSatForSequenceClassification,
            UniSpeechSatForAudioFrameClassification,
            UniSpeechSatForXVector,
        )
        if is_torch_available()
        else ()
    )
    pipeline_model_mapping = (
        {
            "audio-classification": UniSpeechSatForSequenceClassification,
            "automatic-speech-recognition": UniSpeechSatForCTC,
            "feature-extraction": UniSpeechSatModel,
        }
        if is_torch_available()
        else {}
    )

    def setUp(self):
        self.model_tester = UniSpeechSatModelTester(self)
        self.config_tester = ConfigTester(self, config_class=UniSpeechSatConfig, hidden_size=32)

    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_ctc_loss_inference(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_ctc_loss(*config_and_inputs)

    def test_seq_classifier_loss_inference(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_seq_classifier_loss(*config_and_inputs)

    def test_ctc_train(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_ctc_training(*config_and_inputs)

    def test_seq_classifier_train(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_seq_classifier_training(*config_and_inputs)

    def test_xvector_train(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_xvector_training(*config_and_inputs)

    def test_labels_out_of_vocab(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_labels_out_of_vocab(*config_and_inputs)

    @unittest.skip(reason="Model has no inputs_embeds")
    def test_inputs_embeds(self):
        pass

    @unittest.skip(reason="Model has input_values instead of input_ids")
    def test_forward_signature(self):
        pass

    @unittest.skip(reason="Model has no tokens embeddings")
    def test_resize_tokens_embeddings(self):
        pass

    @unittest.skip(reason="Model has no inputs_embeds")
    def test_model_get_set_embeddings(self):
        pass

    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

        # force eager attention to support output attentions
        config._attn_implementation = "eager"

        # 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)

        # set layer drop to 0
        model.config.layerdrop = 0.0

        input_values = inputs_dict["input_values"]

        input_lengths = torch.tensor(
            [input_values.shape[1] for _ in range(input_values.shape[0])], dtype=torch.long, device=torch_device
        )
        output_lengths = model._get_feat_extract_output_lengths(input_lengths)

        labels = ids_tensor((input_values.shape[0], output_lengths[0] - 2), self.model_tester.vocab_size)
        inputs_dict["attention_mask"] = torch.ones_like(inputs_dict["attention_mask"])
        inputs_dict["labels"] = labels

        outputs = model(**inputs_dict)

        output = outputs[0]

        # Encoder-/Decoder-only models
        hidden_states = outputs.hidden_states[0]
        attentions = outputs.attentions[0]

        hidden_states.retain_grad()
        attentions.retain_grad()

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

        self.assertIsNotNone(hidden_states.grad)
        self.assertIsNotNone(attentions.grad)

    # overwrite from test_modeling_common
    def _mock_init_weights(self, module):
        if hasattr(module, "weight") and module.weight is not None:
            module.weight.fill_(3)
        if hasattr(module, "weight_g") and module.weight_g is not None:
            module.weight_g.data.fill_(3)
        if hasattr(module, "weight_v") and module.weight_v is not None:
            module.weight_v.data.fill_(3)
        if hasattr(module, "bias") and module.bias is not None:
            module.bias.fill_(3)
        if hasattr(module, "codevectors") and module.codevectors is not None:
            module.codevectors.data.fill_(3)
        if hasattr(module, "masked_spec_embed") and module.masked_spec_embed is not None:
            module.masked_spec_embed.data.fill_(3)

    def test_mask_feature_prob_ctc(self):
        model = UniSpeechSatForCTC.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", mask_feature_prob=0.2, mask_feature_length=2
        )
        model.to(torch_device).train()
        processor = Wav2Vec2Processor.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", return_attention_mask=True
        )

        batch_duration_in_seconds = [1, 3, 2, 6]
        input_features = [np.random.random(16_000 * s) for s in batch_duration_in_seconds]

        batch = processor(
            input_features, padding=True, sampling_rate=processor.feature_extractor.sampling_rate, return_tensors="pt"
        )
        logits = model(
            input_values=batch["input_values"].to(torch_device),
            attention_mask=batch["attention_mask"].to(torch_device),
        ).logits

        self.assertEqual(logits.shape, (4, 1498, 32))

    def test_mask_time_prob_ctc(self):
        model = UniSpeechSatForCTC.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", mask_time_prob=0.2, mask_time_length=2
        )
        model.to(torch_device).train()
        processor = Wav2Vec2Processor.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", return_attention_mask=True
        )

        batch_duration_in_seconds = [1, 3, 2, 6]
        input_features = [np.random.random(16_000 * s) for s in batch_duration_in_seconds]

        batch = processor(
            input_features, padding=True, sampling_rate=processor.feature_extractor.sampling_rate, return_tensors="pt"
        )

        logits = model(
            input_values=batch["input_values"].to(torch_device),
            attention_mask=batch["attention_mask"].to(torch_device),
        ).logits

        self.assertEqual(logits.shape, (4, 1498, 32))

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

    @slow
    def test_model_from_pretrained(self):
        model = UniSpeechSatModel.from_pretrained("microsoft/unispeech-sat-base-plus")
        self.assertIsNotNone(model)


@require_torch
class UniSpeechSatRobustModelTest(ModelTesterMixin, unittest.TestCase):
    all_model_classes = (
        (UniSpeechSatForCTC, UniSpeechSatForPreTraining, UniSpeechSatModel, UniSpeechSatForSequenceClassification)
        if is_torch_available()
        else ()
    )

    def setUp(self):
        self.model_tester = UniSpeechSatModelTester(
            self, conv_stride=(3, 3, 3), feat_extract_norm="layer", do_stable_layer_norm=True
        )
        self.config_tester = ConfigTester(self, config_class=UniSpeechSatConfig, hidden_size=32)

    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_batched_inference(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.create_and_check_batch_inference(*config_and_inputs)

    def test_ctc_loss_inference(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_ctc_loss(*config_and_inputs)

    def test_seq_classifier_loss_inference(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_seq_classifier_loss(*config_and_inputs)

    def test_ctc_train(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_ctc_training(*config_and_inputs)

    def test_seq_classifier_train(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_seq_classifier_training(*config_and_inputs)

    def test_labels_out_of_vocab(self):
        config_and_inputs = self.model_tester.prepare_config_and_inputs()
        self.model_tester.check_labels_out_of_vocab(*config_and_inputs)

    @unittest.skip(reason="Model has no inputs_embeds")
    def test_inputs_embeds(self):
        pass

    @unittest.skip(reason="Model has input_values instead of input_ids")
    def test_forward_signature(self):
        pass

    @unittest.skip(reason="Model has no tokens embeddings")
    def test_resize_tokens_embeddings(self):
        pass

    @unittest.skip(reason="Model has no inputs_embeds")
    def test_model_get_set_embeddings(self):
        pass

    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

        # force eager attention to support output attentions
        config._attn_implementation = "eager"

        # 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)

        # set layer drop to 0
        model.config.layerdrop = 0.0

        input_values = inputs_dict["input_values"]

        input_lengths = torch.tensor(
            [input_values.shape[1] for _ in range(input_values.shape[0])], dtype=torch.long, device=torch_device
        )
        output_lengths = model._get_feat_extract_output_lengths(input_lengths)

        labels = ids_tensor((input_values.shape[0], output_lengths[0] - 2), self.model_tester.vocab_size)
        inputs_dict["attention_mask"] = torch.ones_like(inputs_dict["attention_mask"])
        inputs_dict["labels"] = labels

        outputs = model(**inputs_dict)

        output = outputs[0]

        # Encoder-/Decoder-only models
        hidden_states = outputs.hidden_states[0]
        attentions = outputs.attentions[0]

        hidden_states.retain_grad()
        attentions.retain_grad()

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

        self.assertIsNotNone(hidden_states.grad)
        self.assertIsNotNone(attentions.grad)

    # overwrite from test_modeling_common
    def _mock_init_weights(self, module):
        if hasattr(module, "weight") and module.weight is not None:
            module.weight.fill_(3)
        if hasattr(module, "weight_g") and module.weight_g is not None:
            module.weight_g.data.fill_(3)
        if hasattr(module, "weight_v") and module.weight_v is not None:
            module.weight_v.data.fill_(3)
        if hasattr(module, "bias") and module.bias is not None:
            module.bias.fill_(3)
        if hasattr(module, "codevectors") and module.codevectors is not None:
            module.codevectors.data.fill_(3)
        if hasattr(module, "masked_spec_embed") and module.masked_spec_embed is not None:
            module.masked_spec_embed.data.fill_(3)

    def test_mask_feature_prob_ctc(self):
        model = UniSpeechSatForCTC.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", mask_feature_prob=0.2, mask_feature_length=2
        )
        model.to(torch_device).train()
        processor = Wav2Vec2Processor.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", return_attention_mask=True
        )

        batch_duration_in_seconds = [1, 3, 2, 6]
        input_features = [np.random.random(16_000 * s) for s in batch_duration_in_seconds]

        batch = processor(
            input_features, padding=True, sampling_rate=processor.feature_extractor.sampling_rate, return_tensors="pt"
        )

        logits = model(
            input_values=batch["input_values"].to(torch_device),
            attention_mask=batch["attention_mask"].to(torch_device),
        ).logits

        self.assertEqual(logits.shape, (4, 1498, 32))

    def test_mask_time_prob_ctc(self):
        model = UniSpeechSatForCTC.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", mask_time_prob=0.2, mask_time_length=2
        )
        model.to(torch_device).train()
        processor = Wav2Vec2Processor.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", return_attention_mask=True
        )

        batch_duration_in_seconds = [1, 3, 2, 6]
        input_features = [np.random.random(16_000 * s) for s in batch_duration_in_seconds]

        batch = processor(
            input_features, padding=True, sampling_rate=processor.feature_extractor.sampling_rate, return_tensors="pt"
        )

        logits = model(
            input_values=batch["input_values"].to(torch_device),
            attention_mask=batch["attention_mask"].to(torch_device),
        ).logits

        self.assertEqual(logits.shape, (4, 1498, 32))

    def test_mask_time_feature_prob_ctc_single_batch(self):
        model = UniSpeechSatForCTC.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat",
            mask_time_prob=0.2,
            mask_feature_prob=0.2,
            mask_time_length=2,
            mask_feature_length=2,
        )
        model.to(torch_device).train()
        processor = Wav2Vec2Processor.from_pretrained(
            "hf-internal-testing/tiny-random-unispeech-sat", return_attention_mask=True
        )

        batch_duration_in_seconds = [6]
        input_features = [np.random.random(16_000 * s) for s in batch_duration_in_seconds]

        batch = processor(
            input_features, padding=True, sampling_rate=processor.feature_extractor.sampling_rate, return_tensors="pt"
        )

        logits = model(
            input_values=batch["input_values"].to(torch_device),
            attention_mask=batch["attention_mask"].to(torch_device),
        ).logits

        self.assertEqual(logits.shape, (1, 1498, 32))

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

    @slow
    def test_model_from_pretrained(self):
        model = UniSpeechSatModel.from_pretrained("microsoft/unispeech-sat-large")
        self.assertIsNotNone(model)


@require_torch
@require_torchcodec
@slow
class UniSpeechSatModelIntegrationTest(unittest.TestCase):
    def _load_datasamples(self, num_samples):
        ds = load_dataset("hf-internal-testing/librispeech_asr_dummy", "clean", split="validation")
        # automatic decoding with librispeech
        speech_samples = ds.sort("id").filter(
            lambda x: x["id"] in [f"1272-141231-000{i}" for i in range(num_samples)]
        )[:num_samples]["audio"]

        return [x["array"] for x in speech_samples]

    def _load_superb(self, task, num_samples):
        ds = load_dataset("anton-l/superb_dummy", task, split="test")

        return ds[:num_samples]

    def test_inference_encoder_base(self):
        model = UniSpeechSatModel.from_pretrained("microsoft/unispeech-sat-base-plus")
        model.to(torch_device)
        feature_extractor = Wav2Vec2FeatureExtractor.from_pretrained(
            "facebook/wav2vec2-base", return_attention_mask=True
        )
        input_speech = self._load_datasamples(2)

        inputs_dict = feature_extractor(input_speech, return_tensors="pt", padding=True)

        with torch.no_grad():
            outputs = model(
                inputs_dict.input_values.to(torch_device),
                attention_mask=inputs_dict.attention_mask.to(torch_device),
            )

        # fmt: off
        expected_hidden_states_slice = torch.tensor(
            [[[-0.0743, 0.1384],
              [-0.0845, 0.1704]],
             [[-0.0954, 0.1936],
              [-0.1123, 0.2095]]],
            device=torch_device,
        )
        # fmt: on

        torch.testing.assert_close(
            outputs.last_hidden_state[:, :2, -2:], expected_hidden_states_slice, rtol=1e-3, atol=1e-3
        )

    def test_inference_encoder_large(self):
        model = UniSpeechSatModel.from_pretrained("microsoft/unispeech-sat-large")
        model.to(torch_device)
        feature_extractor = Wav2Vec2FeatureExtractor.from_pretrained("facebook/wav2vec2-large-xlsr-53")
        input_speech = self._load_datasamples(2)

        inputs_dict = feature_extractor(input_speech, return_tensors="pt", padding=True)

        with torch.no_grad():
            outputs = model(
                inputs_dict.input_values.to(torch_device),
                attention_mask=inputs_dict.attention_mask.to(torch_device),
            )

        # fmt: off
        expected_hidden_states_slice = torch.tensor(
            [[[-0.1172, -0.0797],
              [-0.0012, 0.0213]],
             [[-0.1225, -0.1277],
              [-0.0668, -0.0585]]],
            device=torch_device,
        )
        # fmt: on

        torch.testing.assert_close(
            outputs.last_hidden_state[:, :2, -2:], expected_hidden_states_slice, rtol=1e-3, atol=1e-3
        )

    def test_inference_diarization(self):
        model = UniSpeechSatForAudioFrameClassification.from_pretrained("microsoft/unispeech-sat-base-plus-sd").to(
            torch_device
        )
        processor = Wav2Vec2FeatureExtractor.from_pretrained("microsoft/unispeech-sat-base-plus-sd")
        input_data = self._load_superb("sd", 4)
        inputs = processor(input_data["speech"], return_tensors="pt", padding=True, sampling_rate=16_000)

        input_values = inputs.input_values.to(torch_device)
        attention_mask = inputs.attention_mask.to(torch_device)
        with torch.no_grad():
            outputs = model(input_values, attention_mask=attention_mask)
        # labels is a one-hot array of shape (num_frames, num_speakers)
        labels = (outputs.logits > 0).long()

        # s3prl logits for the same batch
        expected_logits = torch.tensor(
            [
                [[-5.6119, -5.5845], [-3.7772, -5.4824], [-3.6914, -5.1619], [-4.7560, -5.0496]],
                [[-6.3785, -4.8365], [-5.5863, -5.4149], [-5.5639, -4.8469], [-6.1511, -4.0052]],
                [[-6.0355, -3.7414], [-5.5968, -4.8061], [-5.4620, -4.7310], [-5.5864, -4.6078]],
                [[-5.9493, -4.8963], [-4.4050, -5.4476], [-4.1755, -5.1395], [-4.0272, -4.3705]],
            ],
            device=torch_device,
        )
        self.assertEqual(labels[0, :, 0].sum(), 270)
        self.assertEqual(labels[0, :, 1].sum(), 647)
        torch.testing.assert_close(outputs.logits[:, :4], expected_logits, rtol=1e-2, atol=1e-2)

    def test_inference_speaker_verification(self):
        model = UniSpeechSatForXVector.from_pretrained("microsoft/unispeech-sat-base-plus-sv").to(torch_device)
        processor = Wav2Vec2FeatureExtractor.from_pretrained("microsoft/unispeech-sat-base-plus-sv")
        input_data = self._load_superb("si", 4)

        inputs = processor(input_data["speech"], return_tensors="pt", padding=True)
        labels = torch.tensor([5, 1, 1, 3], device=torch_device).T

        with torch.no_grad():
            input_values = inputs.input_values.to(torch_device)
            attention_mask = inputs.attention_mask.to(torch_device)
            outputs = model(input_values, attention_mask=attention_mask, labels=labels)
        embeddings = torch.nn.functional.normalize(outputs.embeddings, dim=-1)

        cosine_sim = torch.nn.CosineSimilarity(dim=-1)
        # id10002 vs id10002
        self.assertAlmostEqual(cosine_sim(embeddings[1], embeddings[2]).item(), 0.9671, 3)
        # id10006 vs id10002
        self.assertAlmostEqual(cosine_sim(embeddings[0], embeddings[1]).item(), 0.4941, 3)
        # id10002 vs id10004
        self.assertAlmostEqual(cosine_sim(embeddings[2], embeddings[3]).item(), 0.5616, 3)

        self.assertAlmostEqual(outputs.loss.item(), 18.5925, 2)
