pytfd_compat/tests/test_helpers.py

25 lines
806 B
Python

import numpy as np
from pytfd_compat.helpers import legacy_hop, subset, zeropad_center
def test_subset_zero_padding():
x = np.array([1, 2, 3, 4])
np.testing.assert_array_equal(subset(x, center=0, length=4), np.array([0, 0, 1, 2]))
np.testing.assert_array_equal(subset(x, center=3, length=4), np.array([2, 3, 4, 0]))
def test_subset_circular_padding():
x = np.array([1, 2, 3, 4])
np.testing.assert_array_equal(subset(x, center=0, length=4, padding="circular"), np.array([3, 4, 1, 2]))
def test_zeropad_center_even_padding():
x = np.array([1.0, 2.0, 3.0])
np.testing.assert_array_equal(zeropad_center(x, 7), np.array([0.0, 0.0, 1.0, 2.0, 3.0, 0.0, 0.0]))
def test_legacy_hop_matches_dense_default():
assert legacy_hop(16, None) == 1
assert legacy_hop(16, 4) == 4