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31 lines
980 B
Python
31 lines
980 B
Python
import pytest
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from dvc.utils import to_chunks
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@pytest.mark.parametrize(
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"chunk_size, expected_chunks",
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[(1, [[1], [2], [3], [4]]), (2, [[1, 2], [3, 4]]), (3, [[1, 2, 3], [4]])],
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)
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def test_to_chunks_chunk_size(chunk_size, expected_chunks):
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list_to_chunk = [1, 2, 3, 4]
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result = list(to_chunks(list_to_chunk, chunk_size=chunk_size))
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assert result == expected_chunks
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@pytest.mark.parametrize("num_chunks, chunk_size", [(1, 2), (None, None)])
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def test_to_chunks_should_raise(num_chunks, chunk_size):
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list_to_chunk = [1, 2, 3]
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with pytest.raises(ValueError):
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to_chunks(list_to_chunk, num_chunks, chunk_size)
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@pytest.mark.parametrize(
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"num_chunks, expected_chunks",
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[(4, [[1], [2], [3], [4]]), (3, [[1, 2], [3, 4]]), (2, [[1, 2], [3, 4]])],
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)
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def test_to_chunks_num_chunks(num_chunks, expected_chunks):
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list_to_chunk = [1, 2, 3, 4]
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result = to_chunks(list_to_chunk, num_chunks=num_chunks)
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assert result == expected_chunks
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