def test_gravity_check(self):
bin1 = Bin(4, 4, 3)
pa = PackingAdvisor(bin1)
p1 = Package(2, 2)
p2 = Package(4, 2)
p3 = Package(4, 2)
p4 = Package(4, 2)
pa.handle(p1)
pa.handle(p2)
pa.bins[0].new_layer()
pa.x = 0
pa.y = 0
self.assertFalse(pa.calc_gravity(pa.bins[0].current_layer, p3) > 0.75)
pa.handle(p3)
pa.bins[0].new_layer()
pa.x = 2
pa.y = 0
self.assertTrue(pa.calc_gravity(pa.bins[0].current_layer, p4) > 0.75)
def test_airspace_true(self): #Returns true when airspace is empty
#Arrange
bin1 = Bin(4, 4, 2)
pa = PackingAdvisor(bin1)
p1 = Package(4, 2)
p2 = Package(2, 2)
p3 = Package(4, 2)
p4 = Package(2, 2)
#Act
pa.handle(p1)
pa.handle(p2)
pa.handle(p3)
#Assert
pa.x = 2 #Is set manually to de-couple the test of airspace from find_x_y_lower_layer
pa.y = 2
self.assertTrue(pa.check_airspace(bin1, p4))
def test_airspace_false(self): #Returns false when airspace is not empty
#Arrange
bin1 = Bin(4, 4, 2)
pa = PackingAdvisor(bin1)
p1 = Package(3, 2)
p2 = Package(4, 2)
p3 = Package(4, 2)
p4 = Package(1, 2)
#Act
pa.handle(p1)
pa.handle(p2)
pa.handle(p3)
#Assert
pa.x = 0
pa.y = 3
self.assertFalse(pa.check_airspace(bin1, p4))