Files
amodem/test_common.py
2014-08-01 10:41:47 +03:00

48 lines
1.0 KiB
Python

import common
import numpy as np
def iterlist(x, *args, **kwargs):
x = np.array(x)
return list((i, list(x)) for i, x in common.iterate(x, *args, **kwargs))
def test_iterate():
N = 10
assert iterlist(range(N), 1) == [
(i, [i]) for i in range(N)]
assert iterlist(range(N), 2) == [
(i, [i, i+1]) for i in range(0, N-1, 2)]
assert iterlist(range(N), 3) == [
(i, [i, i+1, i+2]) for i in range(0, N-2, 3)]
assert iterlist(range(N), 1, func=lambda b: -np.array(b)) == [
(i, [-i]) for i in range(N)]
def test_split():
L = [(i*2, i*2+1) for i in range(10)]
iters = common.split(L, n=2)
assert zip(*iters) == L
for i in [0, 1]:
iters = common.split(L, n=2)
iters[i].next()
try:
iters[i].next()
assert False
except IndexError as e:
assert e.args == (i,)
def test_icapture():
x = range(100)
y = []
z = []
for i in common.icapture(x, result=y):
z.append(i)
assert x == y
assert x == z