33 lines
742 B
Python
33 lines
742 B
Python
import pytest
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from funcy import rcompose, chunks
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def test_rcompose():
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f = rcompose(lambda x: x ** 2, str, lambda x: x * 2)
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assert f(3) == "99"
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def test_chunk_iterable_exact_split():
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a, b = chunks(5, iter(range(10)))
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assert a == list(range(5))
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assert b == list(range(5, 10))
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def test_chunk_iterable_no_split():
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a = next(chunks(10, iter(range(10))))
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assert a == list(range(10))
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def test_chunk_iterable_last_partial():
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a, b, c, d = chunks(3, iter(range(10)))
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assert d == [9]
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def test_chunk_iterable_empty():
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with pytest.raises(StopIteration):
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next(chunks(3, iter(range(0))))
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def test_chunk_iterable_less_than_chunk_size_elements():
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assert next(chunks(5, iter(range(2)))) == [0, 1]
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