


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(SCREAMING_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       _a			(				SCREAMING_SNAKE_CASE						,    SCREAMING_SNAKE_CASE					):


		"""simple docstring"""




		lowercase__						=				_distribute_shards(**SCREAMING_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       _a			(				SCREAMING_SNAKE_CASE						,    SCREAMING_SNAKE_CASE						,    SCREAMING_SNAKE_CASE					):


		"""simple docstring"""




		lowercase__						=				_split_gen_kwargs(SCREAMING_SNAKE_CASE						,    SCREAMING_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       _a			(				SCREAMING_SNAKE_CASE						,    SCREAMING_SNAKE_CASE					):


		"""simple docstring"""




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






def       _a			(				SCREAMING_SNAKE_CASE						,    SCREAMING_SNAKE_CASE					):


		"""simple docstring"""




		lowercase__						=				len(SCREAMING_SNAKE_CASE					)
		lowercase__						=				[]
		for i in range(len(SCREAMING_SNAKE_CASE					) - pat_len + 1					):
				lowercase__						=				True
				for j in range(SCREAMING_SNAKE_CASE					):
						if s[i + j] != pattern[j]:
								lowercase__						=				False
								break
				if match_found:
						position.append(SCREAMING_SNAKE_CASE					)
		return position


if __name__ == "__main__":
			assert naive_pattern_search('ABCDEFG', 'DE') == [3]
			print(naive_pattern_search('ABAAABCDBBABCDDEBCABC', 'ABC'))


