



'''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": 10, "max_num_jobs": 1}, [range(10							)]),
        ({"num_shards": 10, "max_num_jobs": 10}, [range(_snake_case  ,i + 1							) for i in range(10							)]),
        ({"num_shards": 1, "max_num_jobs": 10}, [range(1							)]),
        ({"num_shards": 10, "max_num_jobs": 3}, [range(0  ,4							), range(4  ,7							), range(7  ,10							)]),
        ({"num_shards": 3, "max_num_jobs": 10}, [range(0  ,1							), range(1  ,2							), range(2  ,3							)]),
    ]  ,)
def 							lowerCamelCase	(					_snake_case	:    Optional[int]  ,_snake_case	:    Optional[int]							):





    '''simple docstring'''


    lowercase__									=    _distribute_shards(**_snake_case							)
    assert out == expected




@pytest.mark.parametrize(
    "gen_kwargs, max_num_jobs, expected"  ,[
        ({"foo": 0}, 10, [{"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 							lowerCamelCase	(					_snake_case	:    Any  ,_snake_case	:    int  ,_snake_case	:    List[Any]							):





    '''simple docstring'''


    lowercase__									=    _split_gen_kwargs(_snake_case  ,_snake_case							)
    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 							lowerCamelCase	(					_snake_case	:    List[str]  ,_snake_case	:    int							):





    '''simple docstring'''


    if expected is RuntimeError:
        with pytest.raises(_snake_case							):
            _number_of_shards_in_gen_kwargs(_snake_case							)
    else:
        lowercase__									=    _number_of_shards_in_gen_kwargs(_snake_case							)
        assert out == expected









'''simple docstring'''





def 							lowerCamelCase	(					_snake_case	:    Optional[Any]  ,_snake_case	:    Union[str, Any]  ,_snake_case	:    Dict  ,_snake_case	:    List[str]  ,_snake_case	:    List[str]  ,_snake_case	:    List[str]							):





    '''simple docstring'''


    if index == r:
        for j in range(_snake_case							):
            print(data[j]  ,end=" "							)
        print(" "							)
        return
    #  When no more elements are there to put in data[]
    if i >= n:
        return
    # current is included, put next at next location
    lowercase__									=    arr[i]
    combination_util(_snake_case  ,_snake_case  ,_snake_case  ,index + 1  ,_snake_case  ,i + 1							)
    # current is excluded, replace it with
    # next (Note that i+1 is passed, but
    # index is not changed)
    combination_util(_snake_case  ,_snake_case  ,_snake_case  ,_snake_case  ,_snake_case  ,i + 1							)
    # The main function that prints all combinations
    # of size r in arr[] of size n. This function
    # mainly uses combinationUtil()




def 							lowerCamelCase	(					_snake_case	:    Optional[Any]  ,_snake_case	:    Tuple  ,_snake_case	:    Union[str, Any]							):





    '''simple docstring'''


    lowercase__									=    [0] * r
    # Print all combination using temporary array 'data[]'
    combination_util(_snake_case  ,_snake_case  ,_snake_case  ,0  ,_snake_case  ,0							)


if __name__ == "__main__":
 # Driver code to check the function above
 SCREAMING_SNAKE_CASE__          =  [10, 20, 30, 40, 50]
 print_combination(arr, len(arr), 3)
 # This code is contributed by Ambuj sahu




