80 lines
5.3 KiB
Python
80 lines
5.3 KiB
Python
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import unittest
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import numpy as np
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from tests.test_util import get_path_for_data_file
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from urh.ainterpretation.AutoInterpretation import segment_messages_from_magnitudes, merge_message_segments_for_ook
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from urh.signalprocessing.IQArray import IQArray
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from urh.signalprocessing.Modulator import Modulator
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from urh.signalprocessing.Signal import Signal
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class TestMessageSegmentation(unittest.TestCase):
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def test_segmentation_for_fsk(self):
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signal = np.fromfile(get_path_for_data_file("fsk.complex"), dtype=np.complex64)
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segments = segment_messages_from_magnitudes(np.abs(signal), 0.0009)
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self.assertEqual(len(segments), 1)
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self.assertEqual(segments[0], (0, 17742))
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def test_segmentation_for_ask(self):
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signal = np.fromfile(get_path_for_data_file("ask.complex"), dtype=np.complex64)
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segments = segment_messages_from_magnitudes(np.abs(signal), 0.02)
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segments = merge_message_segments_for_ook(segments)
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self.assertEqual(len(segments), 1)
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self.assertEqual(segments[0], (462, 12011))
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def test_segmentation_enocean_multiple_messages(self):
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signal = np.fromfile(get_path_for_data_file("enocean.complex"), dtype=np.complex64)
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segments = segment_messages_from_magnitudes(np.abs(signal), 0.0448)
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segments = merge_message_segments_for_ook(segments)
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self.assertEqual(len(segments), 3)
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self.assertEqual(segments[0], (2107, 5432))
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self.assertEqual(segments[1], (20428, 23758))
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self.assertEqual(segments[2], (44216, 47546))
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def test_message_segmentation_fsk_xavax(self):
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signal = Signal(get_path_for_data_file("xavax.coco"), "")
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segments = segment_messages_from_magnitudes(signal.iq_array.magnitudes, noise_threshold=0.002)
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# Signal starts with overdrive, so one message more
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self.assertTrue(len(segments) == 6 or len(segments) == 7)
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if len(segments) == 7:
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segments = segments[1:]
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self.assertEqual(segments,
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[(275146, 293697), (321073, 338819), (618213, 1631898), (1657890, 1678041), (1803145, 1820892),
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(1846213, 1866364)])
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def test_segmentation_ask_50(self):
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modulator = Modulator("ask50")
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modulator.modulation_type = "ASK"
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modulator.parameters[0] = 50
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modulator.parameters[1] = 100
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modulator.samples_per_symbol = 100
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msg1 = modulator.modulate("1010101111", pause=10000)
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msg2 = modulator.modulate("1010101110010101", pause=20000)
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msg3 = modulator.modulate("1010101010101111", pause=30000)
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data = IQArray.concatenate((msg1, msg2, msg3))
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segments = segment_messages_from_magnitudes(data.magnitudes, noise_threshold=0)
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self.assertEqual(len(segments), 3)
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self.assertEqual(segments, [(0, 999), (10999, 12599), (32599, 34199)])
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def test_segmentation_elektromaten(self):
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signal = Signal(get_path_for_data_file("elektromaten.complex16s"), "")
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signal.noise_threshold_relative = 0.1
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segments = segment_messages_from_magnitudes(signal.iq_array.magnitudes, noise_threshold=signal.noise_threshold)
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segments = merge_message_segments_for_ook(segments)
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self.assertEqual(len(segments), 11)
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def test_ook_merge(self):
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input = [(26728, 27207), (28716, 29216), (30712, 32190), (32695, 34178), (34686, 35181), (36683, 38181), (38670, 39165), (40668, 42154), (42659, 44151), (44642, 46139), (46634, 47121), (47134, 47145), (48632, 50129), (50617, 51105), (52612, 54089), (54100, 54113), (54601, 56095), (56592, 58075), (58581, 59066), (59076, 59091), (60579, 61081), (62567, 64063), (64559, 66053), (66548, 67035), (68539, 69031), (70533, 71035), (72527, 73008), (73019, 73035), (74522, 75006), (90465, 90958), (92456, 92944), (94455, 95935), (96441, 97930), (98437, 98937), (100430, 101914), (102414, 102901), (104413, 105889), (106398, 107895), (108389, 109873), (110385, 110877), (112374, 113853), (114367, 114862), (116355, 117842), (118344, 119826), (120340, 121824), (122324, 122825), (124323, 124821), (126316, 127807), (128300, 129782), (130293, 130777), (132280, 132774), (134275, 134773), (136266, 136767), (138265, 138751), (154205, 154694), (156206, 156703), (158191, 159685), (160189, 161683), (162176, 162667), (164164, 165657), (166159, 166648), (168147, 169631), (170145, 171621), (172131, 173611), (174125, 174607), (176118, 177600), (178105, 178590), (180093, 181574), (181585, 181599), (182090, 183573), (184074, 185565), (186070, 186553), (188061, 188555), (190052, 191533), (192043, 193523), (194034, 194518), (196021, 196510), (198012, 198503), (200014, 200496), (202003, 202485), (202498, 202511), (217953, 218430), (218442, 218457), (219940, 220426), (221935, 223431), (223926, 225409), (225912, 226399), (227912, 229387), (229896, 230382), (231886, 233369), (233383, 233393), (233882, 235375), (235874, 237357), (237858, 238361), (239850, 241343), (241844, 242328), (243840, 245331), (245828, 247306), (247820, 249296), (249811, 250298), (251803, 252283), (252296, 252309), (253790, 255271), (255778, 257276), (257774, 258258), (259764, 260257), (261760, 262239), (263744, 264241), (265744, 266225), (281684, 282171), (283676, 284163), (285668, 287153), (287665, 289149), (289654, 290145), (291642, 293131), (293633, 294120), (295629, 297104), (297116, 297129)]
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merged = merge_message_segments_for_ook(input)
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self.assertEqual(len(merged), 5)
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