class QueueTest(unittest.TestCase):
def setUp(self):
self.queue = Queue(3)
# Test __init__()
def test_a_Init(self):
self.assertEqual(self.queue.max_size, 3)
# Test __init__() -> Enqueue() -> Dequeue()
def test_b_EnqueuDequeue(self):
self.queue.enqueue("test")
self.assertFalse(self.queue.isEmpty())
self.assertTrue(self.queue.size() == 1)
self.assertEqual(self.queue.check().value, "test")
self.assertEqual(self.queue.peek().value, "test")
self.assertTrue(self.queue.isEmpty())
self.queue.enqueue("test1")
self.queue.enqueue("test2")
self.queue.enqueue("test3")
self.assertTrue(self.queue.isFull())
self.assertEqual(self.queue.size(), self.queue.max_size)
try:
self.queue.enqueue("test4")
except Exception as ex:
self.assertEqual(str(ex), "Queue overflow")
self.assertEqual(self.queue.dequeue().value, "test1")
self.assertEqual(self.queue.dequeue().value, "test2")
self.assertEqual(self.queue.dequeue().value, "test3")
try:
self.queue.dequeue()
except Exception as ex:
self.assertEqual(str(ex), "Stack underflow")
def testEnqueueDequeue(self):
for size in range(5, 10):
queue = Queue(size)
for i in range(1, size):
queue.enqueue(i)
self.assertEqual(queue.check(), 1)
self.assertFalse(queue.isEmpty())
self.assertFalse(queue.isFull())
self.assertEqual(queue.size(), i)
queue.enqueue("last")
self.assertEqual(queue.check(), 1)
self.assertFalse(queue.isEmpty())
self.assertTrue(queue.isFull())
self.assertEqual(queue.size(), size)
for i in range(10):
self.assertRaises(ValueError, queue.enqueue, "fail")
self.assertEqual(queue.check(), 1)
self.assertFalse(queue.isEmpty())
self.assertTrue(queue.isFull())
self.assertEqual(queue.size(), size)
queueSize = queue.size()
for i in range(1, size):
self.assertEqual(queue.dequeue(), i)
self.assertFalse(queue.isEmpty())
self.assertFalse(queue.isFull())
queueSize -= 1
self.assertEqual(queue.size(), queueSize)
self.assertEqual(queue.dequeue(), "last")
self.assertTrue(queue.isEmpty())
self.assertFalse(queue.isFull())
self.assertEqual(queue.size(), 0)
self.assertRaises(ValueError, queue.dequeue)
class testqueue(unittest.TestCase):
def setUp(self):
self.queue = Queue(100)
# Séquences de tests pour la tranche first
def test_03_max_size_set_correctly(self):
self.assertEqual(self.queue.max_size, 100)
def test_03_tranche_first_sequence_2(self):
self.assertRaises(ValueError, self.queue.check)
self.queue.enqueue(48)
self.assertEqual(48, self.queue.check().value)
# Séquences de tests pour la tranche last
def test_03_tranche_last_sequence_1(self):
self.assertRaises(ValueError, self.queue.check)
self.queue.enqueue(37)
self.queue.dequeue()
self.assertRaises(ValueError, self.queue.check)
def test_03_tranche_last_sequence_2(self):
self.assertRaises(ValueError, self.queue.check)
self.queue.dequeue()
self.assertEqual(self.queue.n, 0)
self.assertRaises(ValueError, self.queue.check)
self.queue.enqueue(48)
# Séquences de tests pour la tranche n
def test_03_tranche_n_sequence_1(self):
self.assertEqual(0, self.queue.size())
self.queue.enqueue(37)
self.assertEqual(1, self.queue.size())
self.queue.dequeue()
self.assertEqual(0, self.queue.size())
def test_03_tranche_n_sequence_2(self):
self.assertEqual(0, self.queue.size())
self.queue.dequeue()
self.assertEqual(self.queue.n, 0)
self.assertEqual(0, self.queue.size())
self.queue.enqueue(655)
self.assertEqual(1, self.queue.size())
# Séquences de tests pour la tranche full
def test_03_tranche_full_sequence_1(self):
self.assertFalse(self.queue.isFull())
self.queue.enqueue(34)
self.assertFalse(self.queue.isFull())
self.queue.dequeue()
self.assertFalse(self.queue.isFull())
def test_03_tranche_full_sequence_2(self):
self.assertFalse(self.queue.isFull())
self.queue.dequeue()
self.assertEqual(self.queue.n, 0)
self.queue.enqueue(37)
self.assertFalse(self.queue.isFull())
# Séquences de tests pour la tranche isEmpty
def test_03_tranche_isEmpty_sequence_1(self):
self.assertTrue(self.queue.isEmpty())
self.queue.enqueue(34)
self.assertFalse(self.queue.isEmpty())
self.queue.dequeue()
self.assertTrue(self.queue.isEmpty())
self.assertRaises(ValueError, self.queue.check)
def test_03_tranche_isEmpty_sequence_2(self):
self.assertTrue(self.queue.isEmpty())
self.queue.dequeue()
self.assertEqual(self.queue.n, 0)
self.queue.enqueue(37)
self.assertFalse(self.queue.isEmpty())
def test_03_check_should_return_last_element(self):
self.queue.enqueue(37)
self.queue.enqueue(45)
self.assertEqual(self.queue.check().value, 37)
def test_03_enqueue_should_raise_error_when_queue_full(self):
for i in range(100):
self.queue.enqueue(i)
self.assertRaises(ValueError, self.queue.enqueue, 5)
def test_03_enqueue_should_change_full_to_true(self):
for i in range(99):
self.queue.enqueue(i)
self.queue.enqueue(4)
self.assertTrue(self.queue.isFull())
def test_03_enqueue_should_return_correct_values_for_last_and_first(self):
self.queue.enqueue(4)
self.queue.enqueue(5)
self.assertEqual(self.queue.check().value, 4)
def test_03_enqueue_should_change_last_to_None(self):
self.queue.enqueue(4)
self.queue.enqueue(5)
self.queue.dequeue()
self.assertEqual(1, self.queue.n)
def test_03_enqueue_should_return_correct_value_to_string(self):
self.queue.enqueue(4)
self.assertEqual(str(self.queue.check()), '4')
