def testAddRandom(self):
fish = animals.Fish()
self.river.cells = [
animals.Bear(),
animals.Bear(), None,
animals.Fish()
]
self.river.addRandom(fish)
self.assertIsInstance(self.river.cells[2], animals.Fish)
def testNumEmpty(self):
self.river.cells = [None, animals.Bear(), None, animals.Fish()]
self.assertEqual(self.river.numEmpty(), 2)
self.river.cells = [None, None, None, None]
self.assertEqual(self.river.numEmpty(), 4)
self.river.cells = [
animals.Bear(),
animals.Bear(),
animals.Fish(),
animals.Fish()
]
self.assertEqual(self.river.numEmpty(), 0)
def __init__(self, args, seed=None):
'''
Constructor
@type args: str
@param args: input file name.
@type args: int
@param args: length of the river
@type seed: int
@param seed: rng seed to update river
'''
if seed is not None:
self.setSeed(seed)
if (isinstance(args, str)):
try:
file = open(args, "r")
file.close()
except IOError as err:
print(err)
elif (isinstance(args, int)):
self.cells = [None] * args
self.length = args
for i in range(self.length):
rand = random.choice([None, animals.Bear(), animals.Fish()])
self.cells[i] = rand
import animals #Create an object of Mammals class and call a mathod of it myMammal = animals.Mammals() myMammal.printMembers() #Create an object of Birds class and call a mathod of it myBird = animals.Birds() myBird.printMembers() myFish = animals.Fish() myFish.printMembers()
# Import classes from your brand new package #from animals import Mammals #from animals import Birds #import animals # Create an object of Mammals class & call a method of it #myMammal = animals.Mammals() #myMammal.printMembers() # Create an object of Birds class & call a method of it #myBird = animals.Birds() #myBird.printMembers() import animals m = animals.Mammals() m.printMembers() b = animals.Birds() b.printMembers() f = animals.Fish() f.printMembers()
import animals m = animals.Mammals() m.printMembers() """ b = animals.Birds() b.printMembers() f = animals.Fish() f.printMembers() """ harmless_birds = animals.Birds() harmless_birds.printMembers() dangerous_fish = animals.Fish() dangerous_fish.printMembers()
def testRepr(self):
self.river.cells = [
None, animals.Bear(0, "M"), None,
animals.Fish(3, "F")
]
self.assertEqual(repr(self.river), "——— BM0 ——— FF3")