async def test_cycle_repeats_values():
"""Check if the cycle repeats values on a loop."""
cycler = aitertools.cycle('abc')
assert (await aitertools.anext(cycler)) == 'a'
assert (await aitertools.anext(cycler)) == 'b'
assert (await aitertools.anext(cycler)) == 'c'
assert (await aitertools.anext(cycler)) == 'a'
assert (await aitertools.anext(cycler)) == 'b'
assert (await aitertools.anext(cycler)) == 'c'
async def test_cycle_non_iterable():
"""Check if cycle raises TypeError when given a non-iterable value."""
with pytest.raises(TypeError):
await aitertools.anext(aitertools.cycle(5))
async def test_cycle_too_few_args():
"""Check if cycle raises TypeError when too few args."""
with pytest.raises(TypeError):
await aitertools.anext(aitertools.cycle())
async def test_cycle_is_empty_if_iterable_is_empty():
"""Check if cycle emits no values when given an empty iterable."""
assert (await aitertools.alist(
aitertools.cycle('')
)) == []