

import pytest

from datasets.splits import SplitDict, SplitInfo
from datasets.utils.py_utils import asdict

@pytest.mark.parametrize(
    "split_dict"  ,      [
        SplitDict(),
        SplitDict({"train": SplitInfo(name="train"  ,      num_bytes=1337  ,      num_examples=42  ,      dataset_name="my_dataset" )} ),
        SplitDict({"train": SplitInfo(name="train"  ,      num_bytes=1337  ,      num_examples=42 )} ),
        SplitDict({"train": SplitInfo()} ),
    ]  ,      )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  SplitDict )   ->       Dict:
				_UpperCAmelCase       :		List[Any] 		=    split_dict._to_yaml_list()
				assert len(lowerCAmelCase ) == len(lowerCAmelCase )
				_UpperCAmelCase       :		List[Any] 		=    SplitDict._from_yaml_list(lowerCAmelCase )
				for split_name, split_info in split_dict.items():
								# dataset_name field is deprecated, and is therefore not part of the YAML dump
								_UpperCAmelCase       :		Dict 		=    None
								# the split name of split_dict takes over the name of the split info object
								_UpperCAmelCase       :		str 		=    split_name
				assert split_dict == reloaded





@pytest.mark.parametrize(
    "split_info"  ,      [SplitInfo(), SplitInfo(dataset_name=lowerCAmelCase ), SplitInfo(dataset_name="my_dataset" )] )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Tuple )   ->       Dict:
				# For backward compatibility, we need asdict(split_dict) to return split info dictrionaries with the "dataset_name"
				# field even if it's deprecated. This way old versionso of `datasets` can still reload dataset_infos.json files
				_UpperCAmelCase       :		Optional[int] 		=    asdict(SplitDict({"train": split_info} ) )
				assert "dataset_name" in split_dict_asdict["train"]
				assert split_dict_asdict["train"]["dataset_name"] == split_info.dataset_name





def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str  ,      lowerCAmelCase:  str )   ->       int:
				if len(lowerCAmelCase ) != len(lowerCAmelCase ):
								raise ValueError("String lengths must match!" )

				_UpperCAmelCase       :		List[Any] 		=    0

				for chara, chara in zip(lowerCAmelCase  ,      lowerCAmelCase ):
								if chara != chara:
												count += 1

				return count


if __name__ == "__main__":
					import doctest

					doctest.testmod()


