kopia lustrzana https://github.com/corrscope/corrscope
38 wiersze
1.1 KiB
Python
38 wiersze
1.1 KiB
Python
|
import pytest
|
||
|
|
from hypothesis import given, example
|
||
|
|
from hypothesis.strategies import integers
|
||
|
|
|
||
|
|
|
||
|
|
from ovgenpy.channel import ChannelConfig, Channel
|
||
|
|
from ovgenpy.ovgenpy import default_config
|
||
|
|
|
||
|
|
|
||
|
|
positive = integers(min_value=1)
|
||
|
|
|
||
|
|
@given(subsampling=positive, trigger_width_ratio=positive, render_width_ratio=positive)
|
||
|
|
def test_channel_subsampling(
|
||
|
|
subsampling: int,
|
||
|
|
trigger_width_ratio: int,
|
||
|
|
render_width_ratio: int,
|
||
|
|
):
|
||
|
|
""" Ensure nsamp and trigger/render subsampling are computed correctly. """
|
||
|
|
|
||
|
|
ccfg = ChannelConfig(
|
||
|
|
'tests/sine440.wav',
|
||
|
|
trigger_width_ratio=trigger_width_ratio,
|
||
|
|
render_width_ratio=render_width_ratio,
|
||
|
|
)
|
||
|
|
cfg = default_config(subsampling=subsampling)
|
||
|
|
channel = Channel(ccfg, cfg)
|
||
|
|
assert channel.wave.smp_s == 48000
|
||
|
|
|
||
|
|
ideal_nsamp = round(cfg.render_width_s * channel.wave.smp_s / subsampling)
|
||
|
|
assert channel.nsamp == pytest.approx(ideal_nsamp, 1)
|
||
|
|
assert channel.trigger_subsampling == subsampling * trigger_width_ratio
|
||
|
|
assert channel.render_subsampling == subsampling * render_width_ratio
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
# line_color is tested in test_renderer.py
|
||
|
|
# todo test ChannelConfig.ampl_ratio
|