# Copyright (c) Alibaba, Inc. and its affiliates.

import unittest

from modelscope.preprocessors import build_preprocessor, nlp
from modelscope.utils.constant import Fields, InputFields
from modelscope.utils.logger import get_logger

logger = get_logger()


class NLPPreprocessorTest(unittest.TestCase):

    def test_tokenize(self):
        cfg = dict(type='Tokenize', tokenizer_name='bert-base-cased')
        preprocessor = build_preprocessor(cfg, Fields.nlp)
        input = {
            InputFields.text:
            'Do not meddle in the affairs of wizards, '
            'for they are subtle and quick to anger.'
        }
        output = preprocessor(input)
        self.assertTrue(InputFields.text in output)
        self.assertEqual(output['input_ids'], [
            101, 2091, 1136, 1143, 13002, 1107, 1103, 5707, 1104, 16678, 1116,
            117, 1111, 1152, 1132, 11515, 1105, 3613, 1106, 4470, 119, 102
        ])
        self.assertEqual(
            output['token_type_ids'],
            [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
        self.assertEqual(
            output['attention_mask'],
            [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1])

    def test_token_classification_tokenize(self):
        with self.subTest(tokenizer_type='bert'):
            cfg = dict(
                type='token-cls-tokenizer',
                model_dir='bert-base-cased',
                label2id={
                    'O': 0,
                    'B': 1,
                    'I': 2
                })
            preprocessor = build_preprocessor(cfg, Fields.nlp)
            input = 'Do not meddle in the affairs of wizards, ' \
                    'for they are subtle and quick to anger.'
            output = preprocessor(input)
            self.assertTrue(InputFields.text in output)
            self.assertEqual(output['input_ids'].tolist()[0], [
                101, 2091, 1136, 1143, 13002, 1107, 1103, 5707, 1104, 16678,
                1116, 117, 1111, 1152, 1132, 11515, 1105, 3613, 1106, 4470,
                119, 102
            ])
            self.assertEqual(output['attention_mask'].tolist()[0], [
                1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
                1
            ])
            self.assertEqual(output['label_mask'].tolist()[0], [
                False, True, True, True, False, True, True, True, True, True,
                False, True, True, True, True, True, True, True, True, True,
                True, False
            ])
            self.assertEqual(output['offset_mapping'], [(0, 2), (3, 6),
                                                        (7, 13), (14, 16),
                                                        (17, 20), (21, 28),
                                                        (29, 31), (32, 39),
                                                        (39, 40), (41, 44),
                                                        (45, 49), (50, 53),
                                                        (54, 60), (61, 64),
                                                        (65, 70), (71, 73),
                                                        (74, 79), (79, 80)])

        with self.subTest(tokenizer_type='roberta'):
            cfg = dict(
                type='token-cls-tokenizer',
                model_dir='xlm-roberta-base',
                label2id={
                    'O': 0,
                    'B': 1,
                    'I': 2
                })
            preprocessor = build_preprocessor(cfg, Fields.nlp)
            input = 'Do not meddle in the affairs of wizards, ' \
                    'for they are subtle and quick to anger.'
            output = preprocessor(input)
            self.assertTrue(InputFields.text in output)
            self.assertEqual(output['input_ids'].tolist()[0], [
                0, 984, 959, 128, 19298, 23, 70, 103086, 7, 111, 6, 44239,
                99397, 4, 100, 1836, 621, 1614, 17991, 136, 63773, 47, 348, 56,
                5, 2
            ])
            self.assertEqual(output['attention_mask'].tolist()[0], [
                1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
                1, 1, 1, 1, 1
            ])
            self.assertEqual(output['label_mask'].tolist()[0], [
                False, True, True, True, False, True, True, True, False, True,
                True, False, False, False, True, True, True, True, False, True,
                True, True, True, False, False, False
            ])
            self.assertEqual(output['offset_mapping'], [(0, 2), (3, 6),
                                                        (7, 13), (14, 16),
                                                        (17, 20), (21, 28),
                                                        (29, 31), (32, 40),
                                                        (41, 44), (45, 49),
                                                        (50, 53), (54, 60),
                                                        (61, 64), (65, 70),
                                                        (71, 73), (74, 80)])


if __name__ == '__main__':
    unittest.main()
