def test_expand(self):
"""
Expansion of bounding box.
"""
box1 = BoundingBox(3, 3, 100, 100)
box1.expand() # expand a default of 20%
self.assertEqual(
box1.get_box(),
[-7, -7, 120, 120]) # If you see something weird here,
def test_fit_in_size(self):
"""
Bounding box is able to adapt itself to specified bounds.
"""
image_size = [300, 300]
# Case1 all out of bounds
box1 = BoundingBox(-1, -1, 302, 302)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [0, 0, 300, 300])
# Case2 top left out of bounds
box1 = BoundingBox(-1, -1, 301, 301)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [0, 0, 300, 300])
# Case left out of bounds
box1 = BoundingBox(-15, 10, 100, 100)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [0, 10, 85, 100])
# Case top out of bounds
box1 = BoundingBox(15, -10, 100, 100)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [15, 0, 100, 90])
# Case width out of bounds
box1 = BoundingBox(15, 0, 290, 100)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [15, 0, 285, 100])
# Case height out of bounds
box1 = BoundingBox(15, 15, 200, 290)
box1.fit_in_size(image_size)
self.assertEqual(box1.get_box(), [15, 15, 200, 285])
def test_get_box(self):
"""
Bounding box successfully returns the array of the box dimensions.
"""
box = BoundingBox(15, 16, 17, 18)
self.assertEqual(box.get_box(), [15, 16, 17, 18])