def test_octave_bands_frequencies(fixture_octave_bands, fraction):
fixture_octave_bands['band_frequencies'] = bands.calculate_octave_bands(fraction)
analyzer = bands.Bands(**fixture_octave_bands)
for a, b in zip(analyzer.frequencies, analyzer.frequencies[1:]):
if b[0] < a[2]:
raise Exception('Frequencies overlap: {0} {1} (difference: {2})'.format(b[0], a[2], b[0] - a[2]))
def test_analyze(fixture_octave_bands, sample_size, fraction, weighting):
fixture_octave_bands['sample_size'] = sample_size
fixture_octave_bands['band_frequencies'] = bands.calculate_octave_bands(fraction)
fixture_octave_bands['weighting'] = weighting
analyzer = bands.Bands(**fixture_octave_bands)
with analyzer:
pass
assert analyzer.exit_success
def test_benchmark(fixture_octave_bands, benchmark, fraction, weighting):
fixture_octave_bands['fraction'] = 1
fixture_octave_bands['weighting'] = 'Z'
analyzer = bands.Bands(**fixture_octave_bands)
def benchmark_func():
for _ in range(0, 1000):
analyzer._sample()
analyzer._pulseaudio_client.connect()
benchmark(benchmark_func)
analyzer._pulseaudio_client.disconnect()
def test_octave_bands_indices(fixture_octave_bands, fraction, sample_size):
fixture_octave_bands['band_frequencies'] = bands.calculate_octave_bands(fraction)
fixture_octave_bands['sample_size'] = sample_size
analyzer = bands.Bands(**fixture_octave_bands)
a, b = 0, 0
for lower, upper in zip(analyzer._indices_lower, analyzer._indices_upper):
if lower == upper:
raise Exception('Indices equal, resulting in empty slice: [{0}, {1}]'.format(lower, upper))
if lower <= a or upper <= b:
raise Exception('Indices overlap: [{0}, {1}] / [{2}, {3}]'.format(a, b, lower, upper))
a, b = lower, upper
def test_octave_bands_fft_resolution_too_small(fixture_octave_bands, sample_size, fraction):
fixture_octave_bands['band_frequencies'] = bands.calculate_octave_bands(fraction)
fixture_octave_bands['sample_size'] = sample_size
with pytest.raises(PulsevizException):
bands.Bands(**fixture_octave_bands)