class TestQueue(unittest.TestCase):
def setUp(self):
self.testQueue = Queue()
def tearDown(self):
del self.testQueue
def test_isEmpty(self):
self.assertTrue(self.testQueue.isEmpty())
self.assertEqual(len(self.testQueue), 0)
def test_enqueue(self):
self.testQueue.enqueue('item')
self.assertFalse(self.testQueue.isEmpty())
self.assertEqual(len(self.testQueue), 1)
self.testQueue.enqueue('a')
self.assertEqual(len(self.testQueue), 2)
def test_dequeue(self):
self.testQueue.enqueue('item1')
self.testQueue.enqueue('item2')
node1 = self.testQueue.dequeue()
self.assertEqual(node1, 'item1')
self.assertEqual(len(self.testQueue), 1)
node2 = self.testQueue.dequeue()
self.assertEqual(node2, 'item2')
self.assertEqual(len(self.testQueue), 0)
def setUp(self):
self.testQueue = Queue()
