def test_top_should_return_value(self): item = Item(3) newObject = Queue() newObject.item = item self.assertEqual(3, newObject.top())
class TestQueue(unittest.TestCase): def setUp(self): self.queue = Queue() def test_0(self): print("{} Can create Queue object".format(inspect.stack()[0][3])) self.assertTrue(type(self.queue) is Queue) def test_1(self): print("{} Newly created queues should be empty".format(inspect.stack()[0][3])) self.assertTrue(self.queue.isEmpty()) def test_2(self): print("{} After one enqueue, queue size should be one".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.assertEqual(self.queue.getSize(), 1) def test_3(self): print("{} After one enqueue and one dequeue, should be empty".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.queue.dequeue() self.assertEqual(self.queue.getSize(),0) def test_4(self): print("(S) {} When enqueued passed limit, queue overflows".format(inspect.stack()[0][3])) def test_5(self): print("{} When dequeued passed limit, queue underflows".format(inspect.stack()[0][3])) with self.assertRaises(Queue.Underflow): self.queue.dequeue() def test_6(self): print("{} When two values are enqueued then one is dequeued, size is one".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.queue.enqueue(2) self.queue.dequeue() self.assertEqual(self.queue.getSize(),1) def test_7(self): print("{} When 1 is enqueued 1 is dequeued".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.assertEqual(self.queue.dequeue(),1) def test_8(self): print("{} When 1 and 2 are enqueued 1 and 2 are dequeued".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.queue.enqueue(2) self.assertEqual(self.queue.dequeue(),1) self.assertEqual(self.queue.dequeue(),2) def test_9(self): print("(S) {} When creating queue with negative size, should throw IllegalCapacity".format(inspect.stack()[0][3])) def test_10(self): print("(S) {} When Creating queue with zero capacity, any enqueue should overflow".format(inspect.stack()[0][3])) def test_11(self): print("{} When 1 is enqueued, 1 is on top".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.assertEqual(self.queue.top(),1) def test_12(self): print("{} When queue is empty, top throws empty".format(inspect.stack()[0][3])) with self.assertRaises(Queue.Empty): self.queue.top() def test_13(self): print("(S) {} With zero capacity queue, top throws empty".format(inspect.stack()[0][3])) def test_14(self): print("{} Given queue with 1 2 enqueued, find 1 and 2".format(inspect.stack()[0][3])) self.queue.enqueue(1) self.queue.enqueue(2) self.assertEqual(self.queue.find(1),0) self.assertEqual(self.queue.find(2),1) def test_15(self): print("{} Given a queue with no 2, find(2) returns null".format(inspect.stack()[0][3])) self.assertEqual(self.queue.find(2),None)