def test_resampling_2d():
"""Test up- and down-sampling a 2D stimulus."""
np.random.seed(0)
stim_size = (1000, 5)
resample_factor = 3
dt = 0.1
stim = np.random.randn(*stim_size)
time = np.arange(stim_size[0]) * dt
stim_us, time_us = stimulustools.upsample(
stim, resample_factor, time=time)
stim_ds, time_ds = stimulustools.downsample(
stim_us, resample_factor, time=time_us)
assert np.all(stim == stim_us[::resample_factor, ...]), 'Upsampling failed'
assert np.all(stim == stim_ds), 'Downsampling failed'
def test_resampling_1d():
"""Test up- and down-sampling a 1D stimulus."""
np.random.seed(0)
stim_size = 1000
resample_factor = 3
dt = 0.1
stim = np.random.randn(stim_size,)
time = np.arange(stim_size) * dt
stim_us, time_us = stimulustools.upsample(
stim, resample_factor, time=time)
stim_ds, time_ds = stimulustools.downsample(
stim_us, resample_factor, time=time_us)
assert np.all(stim == stim_us[::resample_factor]), 'Upsampling failed'
assert np.all(stim == stim_ds), 'Downsampling failed'
_, time_us = stimulustools.upsample(stim, resample_factor)
assert time_us is None