def test_estimate_ringing():
"""Test our ringing estimation function."""
# Actual values might differ based on system, so let's be approximate
for kind in ('ba', 'sos'):
for thresh, lims in ((0.1, (30, 60)), # 47
(0.01, (300, 600)), # 475
(0.001, (3000, 6000)), # 4758
(0.0001, (30000, 60000))): # 37993
n_ring = estimate_ringing_samples(butter(3, thresh, output=kind))
assert lims[0] <= n_ring <= lims[1], (
'%s %s: %s <= %s <= %s'
% (kind, thresh, lims[0], n_ring, lims[1]))
with pytest.warns(RuntimeWarning, match='properly estimate'):
assert estimate_ringing_samples(butter(4, 0.00001)) == 100000
def test_estimate_ringing():
"""Test our ringing estimation function."""
# Actual values might differ based on system, so let's be approximate
for kind in ('ba', 'sos'):
for thresh, lims in ((0.1, (30, 60)), # 47
(0.01, (300, 600)), # 475
(0.001, (3000, 6000)), # 4758
(0.0001, (30000, 60000))): # 37993
n_ring = estimate_ringing_samples(butter(3, thresh, output=kind))
assert_true(lims[0] <= n_ring <= lims[1],
msg='%s %s: %s <= %s <= %s'
% (kind, thresh, lims[0], n_ring, lims[1]))
with warnings.catch_warnings(record=True) as w:
assert_equal(estimate_ringing_samples(butter(4, 0.00001)), 100000)
assert_true(any('properly estimate' in str(ww.message) for ww in w))
