def test_init_bug():
""" test the init function for bugs"""
myArr = [1, 2, 3]
q1 = OurQueue(myArr)
myArr[0] = -1
res = q1.front()
assert res == -1
class TestQueue1(unittest.TestCase):
def setUp(self):
self.q1 = OurQueue()
def test_front_empty(self):
"""Q1: test calling front on empty queue"""
res = self.q1.front()
self.assertEqual(res, None,
"calling front from empty Queue should return None")
def test_front_empty():
"""Q1: test calling front on empty queue"""
q1 = OurQueue()
res = q1.front()
assert res == None
def test_front_size1():
"""Q6: test front of full queue"""
q1 = OurQueue([3])
assert q1.front() == 3
def test_add_empty():
"""Q5: test adding item to empty queue"""
q1 = OurQueue()
q1.add(1)
assert len(q1) == 1
assert q1.front() == 1
def test_front():
"""Q6: test front()"""
q1 = OurQueue()
q1.add(5)
assert q1.front() == 5