import unittest

from transformers.models.blenderbot.tokenization_blenderbot import BlenderbotTokenizer
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin


@require_tokenizers
class BlenderbotTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
    from_pretrained_id = ["facebook/blenderbot-3B"]
    tokenizer_class = BlenderbotTokenizer

    integration_expected_tokens = ['ĠThis', 'Ġis', 'Ġa', 'Ġtest', 'ĠðŁĺ', 'Ĭ', 'Ċ', 'I', 'Ġwas', 'Ġborn', 'Ġin', 'Ġ9', '2', '000', ',', 'Ġand', 'Ġthis', 'Ġis', 'Ġf', 'als', 'é', '.', 'Ċ', 'ç', 'Ķ', 'Ł', 'æ', '´', '»', 'ç', 'ļ', 'Ħ', 'ç', 'ľ', 'Ł', 'è', '°', 'Ľ', 'æ', 'ĺ', '¯', 'Ċ', 'H', 'i', 'Ġ', 'ĠHello', 'Ċ', 'H', 'i', 'Ġ', 'Ġ', 'ĠHello', 'Ċ', 'Ċ', 'Ġ', 'Ċ', 'Ġ', 'Ġ', 'Ċ', 'ĠHello', 'Ċ', '<s>', 'Ġ', 'Ċ', 'hi', '<s>', 'Ġthere', 'Ċ', 'The', 'Ġfollowing', 'Ġstring', 'Ġshould', 'Ġbe', 'Ġproperly', 'Ġenc', 'od', 'ed', ':', 'ĠHello', '.', 'Ċ', 'B', 'ut', 'Ġ', 'ird', 'Ġand', 'Ġ', 'à', '¸', 'Ľ', 'à', '¸', 'µ', 'Ġ', 'Ġ', 'Ġ', 'ird', 'Ġ', 'Ġ', 'Ġ', 'à', '¸', 'Ķ', 'Ċ', 'H', 'ey', 'Ġhow', 'Ġare', 'Ġyou', 'Ġdoing']  # fmt: skip
    integration_expected_token_ids = [678, 315, 265, 1689, 3417, 240, 206, 48, 372, 3647, 302, 1207, 25, 1694, 19, 298, 381, 315, 284, 1095, 3952, 21, 206, 171, 250, 261, 170, 120, 127, 171, 256, 234, 171, 258, 261, 172, 116, 257, 170, 254, 115, 206, 47, 80, 228, 6950, 206, 47, 80, 228, 228, 6950, 206, 206, 228, 206, 228, 228, 206, 6950, 206, 1, 228, 206, 7417, 1, 505, 206, 2839, 3504, 7884, 636, 310, 3867, 2525, 621, 296, 33, 6950, 21, 206, 41, 329, 228, 1221, 298, 228, 164, 124, 257, 164, 124, 121, 228, 228, 228, 1221, 228, 228, 228, 164, 124, 250, 206, 47, 3110, 544, 366, 304, 929]  # fmt: skip
    expected_tokens_from_ids = ['ĠThis', 'Ġis', 'Ġa', 'Ġtest', 'ĠðŁĺ', 'Ĭ', 'Ċ', 'I', 'Ġwas', 'Ġborn', 'Ġin', 'Ġ9', '2', '000', ',', 'Ġand', 'Ġthis', 'Ġis', 'Ġf', 'als', 'é', '.', 'Ċ', 'ç', 'Ķ', 'Ł', 'æ', '´', '»', 'ç', 'ļ', 'Ħ', 'ç', 'ľ', 'Ł', 'è', '°', 'Ľ', 'æ', 'ĺ', '¯', 'Ċ', 'H', 'i', 'Ġ', 'ĠHello', 'Ċ', 'H', 'i', 'Ġ', 'Ġ', 'ĠHello', 'Ċ', 'Ċ', 'Ġ', 'Ċ', 'Ġ', 'Ġ', 'Ċ', 'ĠHello', 'Ċ', '<s>', 'Ġ', 'Ċ', 'hi', '<s>', 'Ġthere', 'Ċ', 'The', 'Ġfollowing', 'Ġstring', 'Ġshould', 'Ġbe', 'Ġproperly', 'Ġenc', 'od', 'ed', ':', 'ĠHello', '.', 'Ċ', 'B', 'ut', 'Ġ', 'ird', 'Ġand', 'Ġ', 'à', '¸', 'Ľ', 'à', '¸', 'µ', 'Ġ', 'Ġ', 'Ġ', 'ird', 'Ġ', 'Ġ', 'Ġ', 'à', '¸', 'Ķ', 'Ċ', 'H', 'ey', 'Ġhow', 'Ġare', 'Ġyou', 'Ġdoing']  # fmt: skip
    integration_expected_decoded_text = " This is a test 😊\nI was born in 92000, and this is falsé.\n生活的真谛是\nHi  Hello\nHi   Hello\n\n \n  \n Hello\n<s> \nhi<s> there\nThe following string should be properly encoded: Hello.\nBut ird and ปี   ird   ด\nHey how are you doing"

    def test_pretokenized_inputs(self, *args, **kwargs):
        # It's very difficult to mix/test pretokenization with byte-level tokenizers
        # The issue is that when you have a sequence with leading spaces, splitting it
        # with .split() loses the leading spaces, so the tokenization results differ
        pass