supervision/test/detection/test_core.py

340 lines
12 KiB
Python

from contextlib import ExitStack as DoesNotRaise
from test.test_utils import mock_detections
from typing import List, Optional, Union
import numpy as np
import pytest
from supervision.detection.core import Detections
from supervision.geometry.core import Position
PREDICTIONS = np.array(
[
[2254, 906, 2447, 1353, 0.90538, 0],
[2049, 1133, 2226, 1371, 0.59002, 56],
[727, 1224, 838, 1601, 0.51119, 39],
[808, 1214, 910, 1564, 0.45287, 39],
[6, 52, 1131, 2133, 0.45057, 72],
[299, 1225, 512, 1663, 0.45029, 39],
[529, 874, 645, 945, 0.31101, 39],
[8, 47, 1935, 2135, 0.28192, 72],
[2265, 813, 2328, 901, 0.2714, 62],
],
dtype=np.float32,
)
DETECTIONS = Detections(
xyxy=PREDICTIONS[:, :4],
confidence=PREDICTIONS[:, 4],
class_id=PREDICTIONS[:, 5].astype(int),
)
@pytest.mark.parametrize(
"detections, index, expected_result, exception",
[
(
DETECTIONS,
DETECTIONS.class_id == 0,
mock_detections(
xyxy=[[2254, 906, 2447, 1353]], confidence=[0.90538], class_id=[0]
),
DoesNotRaise(),
), # take only detections with class_id = 0
(
DETECTIONS,
DETECTIONS.confidence > 0.5,
mock_detections(
xyxy=[
[2254, 906, 2447, 1353],
[2049, 1133, 2226, 1371],
[727, 1224, 838, 1601],
],
confidence=[0.90538, 0.59002, 0.51119],
class_id=[0, 56, 39],
),
DoesNotRaise(),
), # take only detections with confidence > 0.5
(
DETECTIONS,
np.array(
[True, True, True, True, True, True, True, True, True], dtype=bool
),
DETECTIONS,
DoesNotRaise(),
), # take all detections
(
DETECTIONS,
np.array(
[False, False, False, False, False, False, False, False, False],
dtype=bool,
),
Detections(
xyxy=np.empty((0, 4), dtype=np.float32),
confidence=np.array([], dtype=np.float32),
class_id=np.array([], dtype=int),
),
DoesNotRaise(),
), # take no detections
(
DETECTIONS,
[0, 2],
mock_detections(
xyxy=[[2254, 906, 2447, 1353], [727, 1224, 838, 1601]],
confidence=[0.90538, 0.51119],
class_id=[0, 39],
),
DoesNotRaise(),
), # take only first and third detection using List[int] index
(
DETECTIONS,
np.array([0, 2]),
mock_detections(
xyxy=[[2254, 906, 2447, 1353], [727, 1224, 838, 1601]],
confidence=[0.90538, 0.51119],
class_id=[0, 39],
),
DoesNotRaise(),
), # take only first and third detection using np.ndarray index
(
DETECTIONS,
0,
mock_detections(
xyxy=[[2254, 906, 2447, 1353]], confidence=[0.90538], class_id=[0]
),
DoesNotRaise(),
), # take only first detection by index
(
DETECTIONS,
slice(1, 3),
mock_detections(
xyxy=[[2049, 1133, 2226, 1371], [727, 1224, 838, 1601]],
confidence=[0.59002, 0.51119],
class_id=[56, 39],
),
DoesNotRaise(),
), # take only first detection by index slice (1, 3)
(DETECTIONS, 10, None, pytest.raises(IndexError)), # index out of range
(DETECTIONS, [0, 2, 10], None, pytest.raises(IndexError)), # index out of range
(DETECTIONS, np.array([0, 2, 10]), None, pytest.raises(IndexError)),
(
DETECTIONS,
np.array(
[True, True, True, True, True, True, True, True, True, True, True]
),
None,
pytest.raises(IndexError),
),
],
)
def test_getitem(
detections: Detections,
index: Union[int, slice, List[int], np.ndarray],
expected_result: Optional[Detections],
exception: Exception,
) -> None:
with exception:
result = detections[index]
assert result == expected_result
@pytest.mark.parametrize(
"detections_list, expected_result, exception",
[
([], Detections.empty(), DoesNotRaise()), # empty detections list
(
[Detections.empty()],
Detections.empty(),
DoesNotRaise(),
), # single empty detections
(
[mock_detections(xyxy=[[10, 10, 20, 20]])],
mock_detections(xyxy=[[10, 10, 20, 20]]),
DoesNotRaise(),
), # single detection with xyxy field
(
[
mock_detections(xyxy=[[10, 10, 20, 20]]),
mock_detections(xyxy=np.empty((0, 4), dtype=np.float32)),
],
mock_detections(xyxy=[[10, 10, 20, 20]]),
DoesNotRaise(),
), # single detection with xyxy field + empty detection
(
[
mock_detections(xyxy=[[10, 10, 20, 20]]),
mock_detections(xyxy=[[20, 20, 30, 30]]),
],
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
DoesNotRaise(),
), # two detections with xyxy field
(
[
mock_detections(xyxy=[[10, 10, 20, 20]], class_id=[0]),
mock_detections(xyxy=[[20, 20, 30, 30]]),
],
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
pytest.raises(ValueError),
), # detection with xyxy, class_id fields + detection with xyxy field
(
[
mock_detections(xyxy=[[10, 10, 20, 20]], class_id=[0]),
mock_detections(xyxy=[[20, 20, 30, 30]], class_id=[1]),
],
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]], class_id=[0, 1]),
DoesNotRaise(),
), # two detections with xyxy, class_id fields
(
[
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
mock_detections(xyxy=[[20, 20, 30, 30]], data={"test": [2]}),
],
mock_detections(
xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]], data={"test": [1, 2]}
),
DoesNotRaise(),
), # two detections with xyxy, data fields
],
)
def test_merge(
detections_list: List[Detections],
expected_result: Optional[Detections],
exception: Exception,
) -> None:
with exception:
result = Detections.merge(detections_list=detections_list)
assert result == expected_result
@pytest.mark.parametrize(
"detections, anchor, expected_result, exception",
[
(
Detections.empty(),
Position.CENTER,
np.empty((0, 2), dtype=np.float32),
DoesNotRaise(),
), # empty detections
(
mock_detections(xyxy=[[10, 10, 20, 20]]),
Position.CENTER,
np.array([[15, 15]], dtype=np.float32),
DoesNotRaise(),
), # single detection; center anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.CENTER,
np.array([[15, 15], [25, 25]], dtype=np.float32),
DoesNotRaise(),
), # two detections; center anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.CENTER_LEFT,
np.array([[10, 15], [20, 25]], dtype=np.float32),
DoesNotRaise(),
), # two detections; center left anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.CENTER_RIGHT,
np.array([[20, 15], [30, 25]], dtype=np.float32),
DoesNotRaise(),
), # two detections; center right anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.TOP_CENTER,
np.array([[15, 10], [25, 20]], dtype=np.float32),
DoesNotRaise(),
), # two detections; top center anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.TOP_LEFT,
np.array([[10, 10], [20, 20]], dtype=np.float32),
DoesNotRaise(),
), # two detections; top left anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.TOP_RIGHT,
np.array([[20, 10], [30, 20]], dtype=np.float32),
DoesNotRaise(),
), # two detections; top right anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.BOTTOM_CENTER,
np.array([[15, 20], [25, 30]], dtype=np.float32),
DoesNotRaise(),
), # two detections; bottom center anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.BOTTOM_LEFT,
np.array([[10, 20], [20, 30]], dtype=np.float32),
DoesNotRaise(),
), # two detections; bottom left anchor
(
mock_detections(xyxy=[[10, 10, 20, 20], [20, 20, 30, 30]]),
Position.BOTTOM_RIGHT,
np.array([[20, 20], [30, 30]], dtype=np.float32),
DoesNotRaise(),
), # two detections; bottom right anchor
],
)
def test_get_anchor_coordinates(
detections: Detections,
anchor: Position,
expected_result: np.ndarray,
exception: Exception,
) -> None:
result = detections.get_anchors_coordinates(anchor)
with exception:
assert np.array_equal(result, expected_result)
@pytest.mark.parametrize(
"detections_a, detections_b, expected_result",
[
(
Detections.empty(),
Detections.empty(),
True,
), # empty detections
(
mock_detections(xyxy=[[10, 10, 20, 20]]),
mock_detections(xyxy=[[10, 10, 20, 20]]),
True,
), # detections with xyxy field
(
mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
True,
), # detections with xyxy, confidence fields
(
mock_detections(xyxy=[[10, 10, 20, 20]], confidence=[0.5]),
mock_detections(xyxy=[[10, 10, 20, 20]]),
False,
), # detection with xyxy field + detection with xyxy, confidence fields
(
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
True,
), # detections with xyxy, data fields
(
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test": [1]}),
mock_detections(xyxy=[[10, 10, 20, 20]]),
False,
), # detection with xyxy field + detection with xyxy, data fields
(
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [1]}),
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_2": [1]}),
False,
), # detections with xyxy, and different data field names
(
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [1]}),
mock_detections(xyxy=[[10, 10, 20, 20]], data={"test_1": [3]}),
False,
), # detections with xyxy, and different data field values
],
)
def test_equal(
detections_a: Detections, detections_b: Detections, expected_result: bool
) -> None:
assert (detections_a == detections_b) == expected_result