45 lines
1.8 KiB
Python
45 lines
1.8 KiB
Python
from __future__ import annotations
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import numpy as np
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import unittest
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from rfg_adc_plotter.state.ring_buffer import RingBuffer
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class RingBufferTests(unittest.TestCase):
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def test_ring_buffer_initializes_on_first_push(self):
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ring = RingBuffer(max_sweeps=4)
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sweep = np.linspace(-1.0, 1.0, 64, dtype=np.float32)
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ring.push(sweep, np.linspace(3.3, 14.3, 64))
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self.assertIsNotNone(ring.ring)
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self.assertIsNotNone(ring.ring_fft)
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self.assertIsNotNone(ring.ring_time)
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self.assertIsNotNone(ring.distance_axis)
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self.assertIsNotNone(ring.last_fft_db)
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self.assertEqual(ring.ring.shape[0], 4)
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self.assertEqual(ring.ring_fft.shape, (4, ring.fft_bins))
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def test_ring_buffer_reallocates_when_sweep_width_grows(self):
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ring = RingBuffer(max_sweeps=3)
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ring.push(np.ones((32,), dtype=np.float32), np.linspace(3.3, 14.3, 32))
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first_width = ring.width
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ring.push(np.ones((2048,), dtype=np.float32), np.linspace(3.3, 14.3, 2048))
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self.assertGreater(ring.width, first_width)
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self.assertIsNotNone(ring.ring)
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self.assertEqual(ring.ring.shape, (3, ring.width))
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def test_ring_buffer_tracks_latest_fft_and_display_arrays(self):
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ring = RingBuffer(max_sweeps=2)
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ring.push(np.linspace(0.0, 1.0, 64, dtype=np.float32), np.linspace(3.3, 14.3, 64))
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ring.push(np.linspace(1.0, 0.0, 64, dtype=np.float32), np.linspace(3.3, 14.3, 64))
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raw = ring.get_display_raw()
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fft = ring.get_display_fft_linear()
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self.assertEqual(raw.shape[1], 2)
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self.assertEqual(fft.shape[1], 2)
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self.assertIsNotNone(ring.last_fft_db)
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self.assertEqual(ring.last_fft_db.shape, (ring.fft_bins,))
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if __name__ == "__main__":
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unittest.main()
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