32 lines
988 B
Python
32 lines
988 B
Python
import unittest
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import pytest
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from src.great_ai.utilities import chunk
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class TestChunk(unittest.TestCase):
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def test_simple(self) -> None:
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i = [1, 2, 3, 4]
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assert list(chunk(i, 1)) == [[1], [2], [3], [4]]
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assert list(chunk(i, 2)) == [[1, 2], [3, 4]]
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assert list(chunk(i, 3)) == [[1, 2, 3], [4]]
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assert list(chunk(i, 4)) == [[1, 2, 3, 4]]
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assert list(chunk(i, 5)) == [[1, 2, 3, 4]]
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assert list(chunk(i, 125)) == [[1, 2, 3, 4]]
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def test_bad_argument(self) -> None:
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with pytest.raises(AssertionError):
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list(chunk([], -10))
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with pytest.raises(AssertionError):
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list(chunk([], 0))
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def test_generator(self) -> None:
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def my_generator():
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for i in range(1, 11):
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yield i
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assert list(chunk(range(1, 11), 3)) == [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]]
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assert list(chunk(my_generator(), 3)) == [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]]
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