aircox-radiocampus/aircox/tests/controllers/test_sound_stats.py
Thomas Kairos f7a61fe6c0 Feat: packaging (#127)
- Add configuration files for packaging
- Precommit now uses ruff

Co-authored-by: bkfox <thomas bkfox net>
Reviewed-on: rc/aircox#127
2023-10-11 10:58:34 +02:00

118 lines
3.3 KiB
Python

import subprocess
import pytest
from aircox.test import Interface
from aircox.controllers import sound_stats
sox_output = """
DC offset 0.000000\n
Min level 0.000000\n
Max level 0.000000\n
Pk lev dB -inf\n
RMS lev dB -inf\n
RMS Pk dB -inf\n
RMS Tr dB -inf\n
Crest factor 1.00\n
Flat factor 179.37\n
Pk count 1.86G\n
Bit-depth 0/0\n
Num samples 930M\n
Length s 19383.312\n
Scale max 1.000000\n
Window s 0.050\n
"""
sox_values = {
"DC offset": 0.0,
"Min level": 0.0,
"Max level": 0.0,
"Pk lev dB": float("-inf"),
"RMS lev dB": float("-inf"),
"RMS Pk dB": float("-inf"),
"RMS Tr dB": float("-inf"),
"Flat factor": 179.37,
"length": 19383.312,
}
@pytest.fixture
def sox_interfaces():
process = Interface(None, {"communicate": ("", sox_output.encode("utf-8"))})
subprocess = Interface.inject(sound_stats, "subprocess", {"Popen": lambda *_, **__: process})
yield {"process": process, "subprocess": subprocess}
subprocess._irelease()
@pytest.fixture
def sox_stats(sox_interfaces):
return sound_stats.SoxStats()
@pytest.fixture
def stats():
return sound_stats.SoundStats("/tmp/audio.wav", sample_length=10)
@pytest.fixture
def stats_interfaces(stats):
def iw(path, **kw):
kw["path"] = path
kw.setdefault("length", stats.sample_length * 2)
return kw
SxS = sound_stats.SoxStats
sound_stats.SoxStats = iw
yield iw
sound_stats.SoxStats = SxS
class TestSoxStats:
def test_parse(self, sox_stats):
values = sox_stats.parse(sox_output)
assert values == sox_values
def test_analyse(self, sox_stats, sox_interfaces):
sox_stats.analyse("fake_path", 1, 2)
assert sox_interfaces["subprocess"]._trace("Popen") == (
(["sox", "fake_path", "-n", "trim", "1", "2", "stats"],),
{"stdout": subprocess.PIPE, "stderr": subprocess.PIPE},
)
assert sox_stats.values == sox_values
class TestSoundStats:
def test_get_file_stats(self, stats):
file_stats = {"a": 134}
stats.stats = [file_stats]
assert stats.get_file_stats() is file_stats
def test_get_file_stats_none(self, stats):
stats.stats = []
assert stats.get_file_stats() is None
def test_analyse(self, stats, stats_interfaces):
stats.analyse()
assert stats.stats == [
{"path": stats.path, "length": stats.sample_length * 2},
{"path": stats.path, "at": 0, "length": stats.sample_length},
{"path": stats.path, "at": 10, "length": stats.sample_length},
]
def test_analyse_no_sample_length(self, stats, stats_interfaces):
stats.sample_length = 0
stats.analyse()
assert stats.stats == [{"length": 0, "path": stats.path}]
def test_check(self, stats):
good = [{"val": i} for i in range(0, 11)]
bad = [{"val": i} for i in range(-10, 0)] + [{"val": i} for i in range(11, 20)]
stats.stats = good + bad
calls = {}
stats.resume = lambda *_: calls.setdefault("resume", True)
stats.check("val", 0, 10)
assert calls == {"resume": True}
assert all(i < len(good) for i in stats.good)
assert all(i >= len(good) for i in stats.bad)