"""simple docstring"""






import pytest

from datasets.utils.sharding import _distribute_shards, _number_of_shards_in_gen_kwargs, _split_gen_kwargs



@pytest.mark.parametrize(
    'kwargs, expected'					,			[
        ({'num_shards': 0, 'max_num_jobs': 1}, []),
        ({'num_shards': 1_0, 'max_num_jobs': 1}, [range(1_0       )]),
        ({'num_shards': 1_0, 'max_num_jobs': 1_0}, [range(lowerCamelCase					,			i + 1       ) for i in range(1_0       )]),
        ({'num_shards': 1, 'max_num_jobs': 1_0}, [range(1       )]),
        ({'num_shards': 1_0, 'max_num_jobs': 3}, [range(0					,			4       ), range(4					,			7       ), range(7					,			1_0       )]),
        ({'num_shards': 3, 'max_num_jobs': 1_0}, [range(0					,			1       ), range(1					,			2       ), range(2					,			3       )]),
    ]					,			)
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							_distribute_shards(**lowerCamelCase       )
				assert out == expected



@pytest.mark.parametrize(
    'gen_kwargs, max_num_jobs, expected'					,			[
        ({'foo': 0}, 1_0, [{'foo': 0}]),
        ({'shards': [0, 1, 2, 3]}, 1, [{'shards': [0, 1, 2, 3]}]),
        ({'shards': [0, 1, 2, 3]}, 4, [{'shards': [0]}, {'shards': [1]}, {'shards': [2]}, {'shards': [3]}]),
        ({'shards': [0, 1]}, 4, [{'shards': [0]}, {'shards': [1]}]),
        ({'shards': [0, 1, 2, 3]}, 2, [{'shards': [0, 1]}, {'shards': [2, 3]}]),
    ]					,			)
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							_split_gen_kwargs(lowerCamelCase					,			lowerCamelCase       )
				assert out == expected







@pytest.mark.parametrize(
    'gen_kwargs, expected'					,			[
        ({'foo': 0}, 1),
        ({'shards': [0]}, 1),
        ({'shards': [0, 1, 2, 3]}, 4),
        ({'shards': [0, 1, 2, 3], 'foo': 0}, 4),
        ({'shards': [0, 1, 2, 3], 'other': (0, 1)}, 4),
        ({'shards': [0, 1, 2, 3], 'shards2': [0, 1]}, RuntimeError),
    ]					,			)
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				if expected is RuntimeError:
								with pytest.raises(lowerCamelCase       ):
												_number_of_shards_in_gen_kwargs(lowerCamelCase       )
				else:
								UpperCAmelCase__             =							_number_of_shards_in_gen_kwargs(lowerCamelCase       )
								assert out == expected






from .glue import GlueDataset, GlueDataTrainingArguments
from .language_modeling import (
    LineByLineTextDataset,
    LineByLineWithRefDataset,
    LineByLineWithSOPTextDataset,
    TextDataset,
    TextDatasetForNextSentencePrediction,
)
from .squad import SquadDataset, SquadDataTrainingArguments
