def test_add_two(self):
queue = Queue()
queue.add('keating')
queue.add('test')
self.assertEqual(queue.first.data, 'keating')
self.assertEqual(queue.last.data, 'test')
def test_remove(self):
queue = Queue()
queue.add('one')
queue.add('two')
data = queue.remove()
self.assertEqual(data, 'one')
self.assertEqual(queue.first.data, 'two')
self.assertEqual(queue.last.data, 'two')
def test_queue(self):
q = Queue()
self.assertTrue(q.is_empty())
self.assertRaises(EmptyQueueException, q.peek)
self.assertRaises(EmptyQueueException, q.remove)
q.add(1)
self.assertFalse(q.is_empty())
q.add(2)
q.add(3)
self.assertEqual(1, q.peek())
self.assertEqual(1, q.remove())
self.assertEqual(2, q.peek())
q.remove()
q.remove()
self.assertTrue(q.is_empty())
self.assertRaises(EmptyQueueException, q.remove)
def test_add_one(self):
queue = Queue()
queue.add('test')
self.assertEqual(queue.first.data, 'test')
self.assertEqual(queue.last.data, 'test')
def test_isEmpty_false(self):
queue = Queue()
queue.add('test')
self.assertEqual(queue.isEmpty(), False)
def test_peek(self):
queue = Queue()
queue.add('test')
queue.add('win')
self.assertEqual(queue.peek(), 'test')
