def test_windowing_no_padding(self):
result = transduce(transducer=windowing(3, window_type=list),
reducer=appending(),
iterable=[42, 12, 45, 9, 18, 3, 34, 13])
self.assertListEqual(
result, [[42], [42, 12], [42, 12, 45], [12, 45, 9], [45, 9, 18],
[9, 18, 3], [18, 3, 34], [3, 34, 13], [34, 13], [13]])
def test_windowing_padding(self):
result = transduce(transducer=windowing(3, padding=0, window_type=list),
reducer=appending(),
iterable=[42, 12, 45, 9, 18, 3, 34, 13])
self.assertListEqual(result,
[[0, 0, 42],
[0, 42, 12],
[42, 12, 45],
[12, 45, 9],
[45, 9, 18],
[9, 18, 3],
[18, 3, 34],
[3, 34, 13],
[34, 13, 0],
[13, 0, 0]])
async def counter(delay, to):
# from transducer.coop import transduce
# from transducer.reducers import effecting
# await transduce(
# transducer=compose(
# enumerating(),
# windowing(3)
# ),
# reducer=effecting(print),
# aiterable=ticker(delay, to)
# )
from transducer.lazy_coop import transduce
async for item in transduce(transducer=compose(enumerating(),
windowing(3)),
aiterable=ticker(delay, to)):
print(item)
def test_windowing_validation(self):
with self.assertRaises(ValueError):
transduce(transducer=windowing(0),
reducer=appending(),
iterable=[42, 12, 45, 9, 18, 3, 34, 13])
def test_windowing_validation(self):
with self.assertRaises(ValueError):
transduce(transducer=windowing(0),
reducer=appending(),
iterable=[42, 12, 45, 9, 18, 3, 34, 13])
