def test_intersection_with_other_boundingbox(self):
"""
Bounding box intersects itself with other bounding boxes.
"""
for rect_set in self.rect_sets:
rect1 = rect_set[0]
rect2 = rect_set[1]
expectedArea = rect_set[2]
expectedPercentage = rect_set[3]
box1 = BoundingBox(*rect1)
box2 = BoundingBox(*rect2)
intersection = box1.intersect_with(box2)
number_of_common_pixels = intersection.get_area()
# Which one is the smaller rectangle?
area_box1 = box1.get_area()
area_box2 = box2.get_area()
lesser_area = min(area_box1, area_box2)
percentage = round((number_of_common_pixels / lesser_area) * 100,
2)
self.assertEqual(number_of_common_pixels, expectedArea)
self.assertEqual(percentage, expectedPercentage)
def test_area(self):
"""
Bounding box knows its area.
"""
box = BoundingBox(10, 10, 20, 20)
self.assertEqual(box.get_area(), 400)