kopia lustrzana https://github.com/corrscope/corrscope
118 wiersze
3.5 KiB
Python
118 wiersze
3.5 KiB
Python
import hypothesis.strategies as hs
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import numpy as np
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import pytest
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from hypothesis import given
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from pytest_mock import MockFixture
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import corrscope.channel
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import corrscope.corrscope
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from corrscope.channel import ChannelConfig, Channel
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from corrscope.corrscope import default_config, CorrScope, BenchmarkMode, Arguments
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from corrscope.triggers import NullTriggerConfig
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positive = hs.integers(min_value=1, max_value=100)
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@given(
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# Channel
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c_trigger_width=positive,
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c_render_width=positive,
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# Global
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trigger_ms=positive,
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render_ms=positive,
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tsub=positive,
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rsub=positive,
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)
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def test_config_channel_width_stride(
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# Channel
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c_trigger_width: int,
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c_render_width: int,
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# Global
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trigger_ms: int,
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render_ms: int,
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tsub: int,
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rsub: int,
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mocker: MockFixture,
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):
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""" (Tautologically) verify:
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- channel. r_samp (given cfg)
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- channel.t/r_stride (given cfg.*_subsampling/*_width)
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- trigger._tsamp, _stride
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- renderer's method calls(samp, stride)
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"""
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# region setup test variables
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corrscope.corrscope.PRINT_TIMESTAMP = False # Cleanup Hypothesis testing logs
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Wave = mocker.patch.object(corrscope.channel, "Wave")
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wave = Wave.return_value
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def get_around(sample: int, return_nsamp: int, stride: int):
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return np.zeros(return_nsamp)
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wave.get_around.side_effect = get_around
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wave.nsamp = 10000
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wave.smp_s = 48000
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ccfg = ChannelConfig(
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"tests/sine440.wav", trigger_width=c_trigger_width, render_width=c_render_width
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)
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def get_cfg():
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return default_config(
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trigger_ms=trigger_ms,
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render_ms=render_ms,
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trigger_subsampling=tsub,
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render_subsampling=rsub,
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channels=[ccfg],
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trigger=NullTriggerConfig(),
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benchmark_mode=BenchmarkMode.OUTPUT,
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)
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# endregion
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cfg = get_cfg()
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channel = Channel(ccfg, cfg)
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# Ensure cfg.width_ms etc. are correct
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assert cfg.trigger_ms == trigger_ms
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assert cfg.render_ms == render_ms
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# Ensure channel.window_samp, trigger_subsampling, render_subsampling are correct.
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def ideal_samp(width_ms, sub):
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width_s = width_ms / 1000
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return pytest.approx(round(width_s * channel.wave.smp_s / sub), rel=1e-6)
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ideal_tsamp = ideal_samp(cfg.trigger_ms, tsub)
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ideal_rsamp = ideal_samp(cfg.render_ms, rsub)
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assert channel.render_samp == ideal_rsamp
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assert channel.trigger_stride == tsub * c_trigger_width
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assert channel.render_stride == rsub * c_render_width
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## Ensure trigger uses channel.window_samp and trigger_stride.
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trigger = channel.trigger
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assert trigger._tsamp == ideal_tsamp
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assert trigger._stride == channel.trigger_stride
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## Ensure corrscope calls render using channel.render_samp and render_stride.
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corr = CorrScope(cfg, Arguments(cfg_dir=".", outputs=[]))
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renderer = mocker.patch.object(CorrScope, "_load_renderer").return_value
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corr.play()
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# Only render (not NullTrigger) calls wave.get_around().
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(_sample, _return_nsamp, _subsampling), kwargs = wave.get_around.call_args
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assert _return_nsamp == channel.render_samp
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assert _subsampling == channel.render_stride
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# Inspect arguments to renderer.render_frame()
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# datas: List[np.ndarray]
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(datas,), kwargs = renderer.render_frame.call_args
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render_data = datas[0]
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assert len(render_data) == channel.render_samp
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# line_color is tested in test_renderer.py
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# todo test ChannelConfig.ampl_ratio
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