amine@257: from unittest import TestCase amine@257: from array import array as array_ amine@257: from genty import genty, genty_dataset amine@257: import numpy as np amine@257: from auditok import signal as signal_ amine@257: from auditok import signal_numpy amine@257: amine@257: amine@257: @genty amine@257: class TestSignal(TestCase): amine@257: def setUp(self): amine@257: self.data = b"012345679ABC" amine@257: self.numpy_fmt = {"b": np.int8, "h": np.int16, "i": np.int32} amine@257: amine@257: @genty_dataset( amine@257: int8=("b", [48, 49, 50, 51, 52, 53, 54, 55, 57, 65, 66, 67]), amine@257: int16=("h", [12592, 13106, 13620, 14134, 16697, 17218]), amine@257: int32=("i", [858927408, 926299444, 1128415545]), amine@257: ) amine@257: def test_to_array(self, fmt, expected): amine@257: resutl = signal_.to_array(self.data, fmt) amine@257: expected = array_(fmt, expected) amine@257: self.assertEqual(resutl, expected) amine@257: resutl_numpy = signal_numpy.to_array(self.data, self.numpy_fmt[fmt]) amine@257: self.assertTrue(all(resutl_numpy == expected)) amine@257: self.assertEqual(resutl_numpy.dtype, np.float64) amine@257: amine@257: @genty_dataset( amine@257: int8_1channel_select_0=( amine@257: "b", amine@257: 1, amine@257: 0, amine@257: [48, 49, 50, 51, 52, 53, 54, 55, 57, 65, 66, 67], amine@257: ), amine@257: int8_2channel_select_0=("b", 2, 0, [48, 50, 52, 54, 57, 66]), amine@257: int8_3channel_select_0=("b", 3, 0, [48, 51, 54, 65]), amine@257: int8_3channel_select_1=("b", 3, 1, [49, 52, 55, 66]), amine@257: int8_3channel_select_2=("b", 3, 2, [50, 53, 57, 67]), amine@257: int8_4channel_select_0=("b", 4, 0, [48, 52, 57]), amine@257: int16_1channel_select_0=( amine@257: "h", amine@257: 1, amine@257: 0, amine@257: [12592, 13106, 13620, 14134, 16697, 17218], amine@257: ), amine@257: int16_2channel_select_0=("h", 2, 0, [12592, 13620, 16697]), amine@257: int16_2channel_select_1=("h", 2, 1, [13106, 14134, 17218]), amine@257: int16_3channel_select_0=("h", 3, 0, [12592, 14134]), amine@257: int16_3channel_select_1=("h", 3, 1, [13106, 16697]), amine@257: int16_3channel_select_2=("h", 3, 2, [13620, 17218]), amine@257: int32_1channel_select_0=( amine@257: "i", amine@257: 1, amine@257: 0, amine@257: [858927408, 926299444, 1128415545], amine@257: ), amine@257: int32_3channel_select_0=("i", 3, 0, [858927408]), amine@257: int32_3channel_select_1=("i", 3, 1, [926299444]), amine@257: int32_3channel_select_2=("i", 3, 2, [1128415545]), amine@257: ) amine@257: def test_extract_single_channel(self, fmt, channels, selected, expected): amine@257: resutl = signal_.extract_single_channel( amine@257: self.data, fmt, channels, selected amine@257: ) amine@257: expected = array_(fmt, expected) amine@257: self.assertEqual(resutl, expected) amine@257: resutl_numpy = signal_numpy.extract_single_channel( amine@257: self.data, self.numpy_fmt[fmt], channels, selected amine@257: ) amine@257: self.assertTrue(all(resutl_numpy == expected)) amine@257: self.assertEqual(resutl_numpy.dtype, np.float64) amine@257: amine@257: @genty_dataset( amine@257: int8_2channel=("b", 2, [48, 50, 52, 54, 61, 66]), amine@257: int8_4channel=("b", 4, [50, 54, 64]), amine@257: int16_1channel=("h", 1, [12592, 13106, 13620, 14134, 16697, 17218]), amine@257: int16_2channel=("h", 2, [12849, 13877, 16958]), amine@257: int32_3channel=("i", 3, [971214132]), amine@257: ) amine@257: def test_average_channels(self, fmt, channels, expected): amine@257: resutl = signal_.average_channels(self.data, fmt, channels) amine@257: expected = array_(fmt, expected) amine@257: self.assertEqual(resutl, expected) amine@257: resutl_numpy = signal_numpy.average_channels( amine@257: self.data, self.numpy_fmt[fmt], channels amine@257: ) amine@257: self.assertTrue(all(resutl_numpy == expected)) amine@257: self.assertEqual(resutl_numpy.dtype, np.float64) amine@257: amine@257: @genty_dataset( amine@257: int8_1channel=( amine@257: "b", amine@257: 1, amine@257: [[48, 49, 50, 51, 52, 53, 54, 55, 57, 65, 66, 67]], amine@257: ), amine@257: int8_2channel=( amine@257: "b", amine@257: 2, amine@257: [[48, 50, 52, 54, 57, 66], [49, 51, 53, 55, 65, 67]], amine@257: ), amine@257: int8_4channel=( amine@257: "b", amine@257: 4, amine@257: [[48, 52, 57], [49, 53, 65], [50, 54, 66], [51, 55, 67]], amine@257: ), amine@257: int16_2channel=( amine@257: "h", amine@257: 2, amine@257: [[12592, 13620, 16697], [13106, 14134, 17218]], amine@257: ), amine@257: int32_3channel=("i", 3, [[858927408], [926299444], [1128415545]]), amine@257: ) amine@257: def test_separate_channels(self, fmt, channels, expected): amine@257: resutl = signal_.separate_channels(self.data, fmt, channels) amine@257: expected = [array_(fmt, exp) for exp in expected] amine@257: self.assertEqual(resutl, expected) amine@257: amine@257: resutl_numpy = signal_numpy.separate_channels( amine@257: self.data, self.numpy_fmt[fmt], channels amine@257: ) amine@257: self.assertTrue((resutl_numpy == expected).all()) amine@257: self.assertEqual(resutl_numpy.dtype, np.float64) amine@257: amine@257: @genty_dataset( amine@257: simple=([300, 320, 400, 600], 52.506639194632434), amine@257: zero=([0], -200), amine@257: zeros=([0, 0, 0], -200), amine@257: ) amine@257: def test_calculate_energy_single_channel(self, x, expected): amine@257: energy = signal_.calculate_energy_single_channel(x) amine@257: self.assertEqual(energy, expected) amine@257: energy = signal_numpy.calculate_energy_single_channel(x) amine@257: self.assertEqual(energy, expected) amine@257: amine@257: @genty_dataset( amine@257: min_=( amine@257: [[300, 320, 400, 600], [150, 160, 200, 300]], amine@257: min, amine@257: 46.48603928135281, amine@257: ), amine@257: max_=( amine@257: [[300, 320, 400, 600], [150, 160, 200, 300]], amine@257: max, amine@257: 52.506639194632434, amine@257: ), amine@257: ) amine@257: def test_calculate_energy_multichannel(self, x, aggregation_fn, expected): amine@257: energy = signal_.calculate_energy_multichannel(x, aggregation_fn) amine@257: self.assertEqual(energy, expected) amine@257: amine@257: energy = signal_numpy.calculate_energy_multichannel(x, aggregation_fn) amine@257: self.assertEqual(energy, expected)