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26 lines
716 B
Python
26 lines
716 B
Python
"""Tests for SSTV scope waveform encoding."""
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from __future__ import annotations
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import numpy as np
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from utils.sstv.sstv_decoder import _encode_scope_waveform
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def test_encode_scope_waveform_respects_window_and_bounds():
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samples = np.array([-32768, -16384, 0, 16384, 32767], dtype=np.int16)
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waveform = _encode_scope_waveform(samples, window_size=4)
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assert len(waveform) == 4
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assert waveform[0] == -64
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assert waveform[1] == 0
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assert waveform[2] == 64
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assert waveform[3] == 127
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assert max(waveform) <= 127
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assert min(waveform) >= -127
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def test_encode_scope_waveform_empty_input():
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waveform = _encode_scope_waveform(np.array([], dtype=np.int16))
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assert waveform == []
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