def test_has_detection_one_none_member():
"""
Test that has_detections is false if at least one of the members is None.
"""
# Possible "valid" values.
bbox = mock.MagicMock(spec_set=AxisAlignedBoundingBox)
celem = mock.MagicMock(spec_set=ClassificationElement)
celem.has_classifications.return_value = True
inst = MemoryDetectionElement(0)
inst._bbox = None
inst._classification = celem
assert inst.has_detection() is False
inst._bbox = bbox
inst._classification = None
assert inst.has_detection() is False
def test_has_detection_none_members():
"""
Test that has_detection is false when neither bbox nor classification
are set.
"""
inst = MemoryDetectionElement(0)
inst._bbox = inst._classification = None
assert inst.has_detection() is False
def test_has_detection():
"""
Test that has_detection is true for True-evaluating attributes
"""
inst = MemoryDetectionElement(0)
inst._bbox = mock.MagicMock(spec=AxisAlignedBoundingBox)
# Simulate having a non-empty element.
inst._classification = mock.MagicMock(spec_set=ClassificationElement)
inst._classification.has_classifications.return_value = True
assert inst.has_detection() is True
def test_has_detection_empty_classification_element():
"""
Test that when one or both attributes are false-evaluating but not None,
has_detection returns false.
"""
bbox = mock.MagicMock(spec_set=AxisAlignedBoundingBox)
celem = mock.MagicMock(spec_set=ClassificationElement)
celem.has_classifications.return_value = False
inst = MemoryDetectionElement(0)
inst._bbox = bbox
inst._classification = celem
assert inst.has_detection() is False