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63 lines
1.4 KiB
Python
63 lines
1.4 KiB
Python
from amodem import common
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import numpy as np
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def iterlist(x, *args, **kwargs):
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x = np.array(x)
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return list((i, list(x)) for i, x in common.iterate(x, *args, **kwargs))
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def test_iterate():
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N = 10
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assert iterlist(range(N), 1) == [
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(i, [i]) for i in range(N)]
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assert iterlist(range(N), 2) == [
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(i, [i, i+1]) for i in range(0, N-1, 2)]
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assert iterlist(range(N), 3) == [
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(i, [i, i+1, i+2]) for i in range(0, N-2, 3)]
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assert iterlist(range(N), 1, func=lambda b: -np.array(b)) == [
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(i, [-i]) for i in range(N)]
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def test_split():
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L = [(i*2, i*2+1) for i in range(10)]
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iters = common.split(L, n=2)
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assert list(zip(*iters)) == L
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for i in [0, 1]:
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iters = common.split(L, n=2)
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next(iters[i])
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try:
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next(iters[i])
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assert False
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except IndexError as e:
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assert e.args == (i,)
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def test_icapture():
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x = range(100)
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y = []
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z = []
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for i in common.icapture(x, result=y):
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z.append(i)
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assert list(x) == y
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assert list(x) == z
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def test_dumps_loads():
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x = np.array([.1, .4, .2, .6, .3, .5])
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y = common.loads(common.dumps(x))
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assert all(x == y)
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def test_saturation():
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x = np.array([1, -1, 1, -1]) * 1.01
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try:
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common.check_saturation(x)
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assert False
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except common.SaturationError as e:
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assert e.args == (1.01,)
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