def testAttr_last_enqueue(self):
queue = Queue()
queue.enqeue(1)
queue.enqeue(2)
for i in range(3, 10):
queue.enqeue(i)
self.assertEqual(str(queue.check_last()), str(i))
def testAttr_last_getter(self):
queue = Queue()
self.assertRaises(ValueError, queue.check_last)
queue.enqeue("a")
self.assertRaises(ValueError, queue.check_last)
queue.enqeue("b")
self.assertEqual(str(queue.check_last()), "b")
def testCheckFirstAndDequeueReturnsExpectedValues(self):
queue = Queue()
for k in range(0, queue.MAX):
queue.enqeue(k)
tailleAttendue = queue.size()
#tests pour le premier element
self.assertEqual(str(queue.check_first()), str(0))
self.assertEqual(str(queue.check_last()), str(99))
self.assertTrue(queue.isFull())
self.assertEqual(queue.size(), tailleAttendue)
self.assertEqual(str(queue.dequeue()), str(0))
self.assertFalse(queue.isFull())
tailleAttendue = tailleAttendue - 1
self.assertEqual(queue.size(), tailleAttendue)
#tests pour les elements intermediaires
for k in range(1, queue.MAX - 1):
self.assertEqual(str(queue.check_last()), str(99))
self.assertEqual(str(queue.check_first()), str(k))
self.assertEqual(str(queue.dequeue()), str(k))
self.assertFalse(queue.isFull())
tailleAttendue = tailleAttendue - 1
self.assertEqual(queue.size(), tailleAttendue)
#tests pour le dernier element
self.assertEqual(queue.size(), 1)
self.assertTrue(queue.hasOne)
self.assertRaises(ValueError, queue.check_last)
self.assertEqual(str(queue.check_first()), str(99))
self.assertEqual(str(queue.dequeue()), str(99))
self.assertEqual(queue.size(), 0)
self.assertTrue(queue.hasOne)
self.assertRaises(ValueError, queue.check_first)
self.assertRaises(ValueError, queue.check_last)
def testEnqeueToMaxDoesNotThrowErrors(self):
queue = Queue()
queue.enqeue(0)
for k in range(1, queue.MAX):
self.assertFalse(queue.isFull())
queue.enqeue(k)
self.assertEqual(queue.size(), k + 1)
self.assertEqual(str(queue.check_first()), str(0))
self.assertEqual(str(queue.check_last()), str(k))
#on s'assure que la pile est considere pleine si on a
#mis la quantite maximale d'elements permis
self.assertTrue(queue.isFull())
def testAttr_last_dequeue(self):
queue = Queue()
queue.enqeue(1)
queue.enqeue(2)
for i in range(3, 10):
queue.enqeue(i)
for i in range(3, 10):
queue.dequeue()
self.assertEqual(str(queue.check_last()), str(9))
for i in range(0, 2):
queue.dequeue()
self.assertRaises(ValueError, queue.check_last)
self.assertRaises(ValueError, queue.dequeue)
