61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
"""Smoke tests for LineCrossCounter (src/counting.py). Pure-Python: needs only numpy."""
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from src.counting import LineCrossCounter
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from src.interfaces import Detection
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def _det(tid, y1, cx=500.0):
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return Detection(
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bbox=(cx - 20, y1, cx + 20, y1 + 60),
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confidence=0.9,
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class_id=0,
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class_name="sack",
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track_id=tid,
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)
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def _counter():
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return LineCrossCounter(line_y=100, line_x_start=0, line_x_end=1000, margin=20)
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def test_loading_above_then_below():
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c = _counter()
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assert c.update([_det(1, y1=10)]) == [] # above line
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events = c.update([_det(1, y1=150)]) # below line
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assert len(events) == 1
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assert events[0]["direction"] == "loading"
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assert c.loading_count == 1
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def test_below_first_counts_as_unloading_not_loading():
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c = _counter()
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assert c.update([_det(2, y1=150)]) == [] # appeared below first
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assert c.update([_det(2, y1=10)]) != [] # moved above => unloading
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assert c.unloading_count == 1
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assert c.loading_count == 0
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def test_track_counted_once_per_direction():
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c = _counter()
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c.update([_det(3, y1=10)])
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c.update([_det(3, y1=150)])
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c.update([_det(3, y1=10)])
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c.update([_det(3, y1=150)])
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assert c.loading_count == 1 # track_id counted once for loading
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def test_outside_x_bounds_skipped():
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c = _counter()
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c.update([_det(4, y1=10, cx=500.0)])
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assert c.update([_det(4, y1=150, cx=5000.0)]) == []
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assert c.loading_count == 0
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def test_net_and_reset():
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c = _counter()
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c.update([_det(5, y1=10)])
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c.update([_det(5, y1=150)])
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assert c.net_count == 1
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c.reset()
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assert (c.loading_count, c.unloading_count, c.net_count) == (0, 0, 0)
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