supervision/test/annotators/test_utils.py

110 lines
3.2 KiB
Python

from contextlib import ExitStack as DoesNotRaise
from test.test_utils import mock_detections
from typing import Optional
import numpy as np
import pytest
from supervision.annotators.utils import ColorLookup, resolve_color_idx
from supervision.detection.core import Detections
@pytest.mark.parametrize(
"detections, detection_idx, color_lookup, expected_result, exception",
[
(
mock_detections(
xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
class_id=[5, 3],
tracker_id=[2, 6],
),
0,
ColorLookup.INDEX,
0,
DoesNotRaise(),
), # multiple detections; index lookup
(
mock_detections(
xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
class_id=[5, 3],
tracker_id=[2, 6],
),
0,
ColorLookup.CLASS,
5,
DoesNotRaise(),
), # multiple detections; class lookup
(
mock_detections(
xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
class_id=[5, 3],
tracker_id=[2, 6],
),
0,
ColorLookup.TRACK,
2,
DoesNotRaise(),
), # multiple detections; track lookup
(
Detections.empty(),
0,
ColorLookup.INDEX,
None,
pytest.raises(ValueError),
), # no detections; index lookup; out of bounds
(
mock_detections(
xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]],
class_id=[5, 3],
tracker_id=[2, 6],
),
2,
ColorLookup.INDEX,
None,
pytest.raises(ValueError),
), # multiple detections; index lookup; out of bounds
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
0,
ColorLookup.CLASS,
None,
pytest.raises(ValueError),
), # multiple detections; class lookup; no class_id
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
0,
ColorLookup.TRACK,
None,
pytest.raises(ValueError),
), # multiple detections; class lookup; no track_id
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
0,
np.array([1, 0]),
1,
DoesNotRaise(),
), # multiple detections; custom lookup; correct length
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
0,
np.array([1]),
None,
pytest.raises(ValueError),
), # multiple detections; custom lookup; wrong length
],
)
def test_resolve_color_idx(
detections: Detections,
detection_idx: int,
color_lookup: ColorLookup,
expected_result: Optional[int],
exception: Exception,
) -> None:
with exception:
result = resolve_color_idx(
detections=detections,
detection_idx=detection_idx,
color_lookup=color_lookup,
)
assert result == expected_result