Matthias Bisping 00ac0d61ab applied black
2022-08-30 16:03:41 +02:00

33 lines
740 B
Python

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