class TestStack(unittest.TestCase):
def setUp(self):
self.empty_stack = Stack()
self.stack = Stack()
self.seq = [0, 2, 4, 6, 8]
for x in self.seq:
self.stack.push(x)
def test_push_to_empty_stack(self):
self.empty_stack.push(0)
self.assertEqual(self.empty_stack.peek(), 0)
def test_push_to_stack(self):
self.stack.push(10)
self.assertEqual(self.stack.peek(), 10)
def test_pop_from_empty_stack(self):
self.assertRaises(IndexError, self.empty_stack.pop)
def test_pop_from_stack(self):
self.assertEqual(self.stack.pop(), self.seq[-1])
def test_size_of_empty_stack(self):
self.assertEqual(self.empty_stack.size, 0)
def test_size_of_stack(self):
self.assertEqual(self.stack.size, len(self.seq))
def test_peek_at_empty_stack(self):
self.assertRaises(IndexError, self.empty_stack.peek)
def test_peek_at_stack(self):
self.assertEqual(self.stack.peek(), self.seq[-1])
def test_iterate_empty_stack(self):
for curr in self.empty_stack:
self.assertEqual(False, True)
def test_iterate_stack(self):
iter_seq = []
for curr in self.stack:
iter_seq.append(curr)
iter_seq.reverse()
self.assertEqual(iter_seq, self.seq)
def test_str_empty_stack(self):
self.assertEqual(str(self.empty_stack), "")
def test_str_stack(self):
self.assertEqual(str(self.stack), " ".join([str(x) for x in self.seq]))
def tearDown(self):
pass
class TestStack(unittest.TestCase):
def setUp(self):
self.empty_stack = Stack()
self.stack = Stack()
self.seq = [0, 2, 4, 6, 8]
for x in self.seq:
self.stack.push(x)
def test_push_to_empty_stack(self):
self.empty_stack.push(0)
self.assertEqual(self.empty_stack.peek(), 0)
def test_push_to_stack(self):
self.stack.push(10)
self.assertEqual(self.stack.peek(), 10)
def test_pop_from_empty_stack(self):
self.assertRaises(IndexError, self.empty_stack.pop)
def test_pop_from_stack(self):
self.assertEqual(self.stack.pop(), self.seq[-1])
def test_size_of_empty_stack(self):
self.assertEqual(self.empty_stack.size, 0)
def test_size_of_stack(self):
self.assertEqual(self.stack.size, len(self.seq))
def test_peek_at_empty_stack(self):
self.assertRaises(IndexError, self.empty_stack.peek)
def test_peek_at_stack(self):
self.assertEqual(self.stack.peek(), self.seq[-1])
def test_iterate_empty_stack(self):
for curr in self.empty_stack:
self.assertEqual(False, True)
def test_iterate_stack(self):
iter_seq = []
for curr in self.stack:
iter_seq.append(curr)
iter_seq.reverse()
self.assertEqual(iter_seq, self.seq)
def test_str_empty_stack(self):
self.assertEqual(str(self.empty_stack), "")
def test_str_stack(self):
self.assertEqual(str(self.stack), " ".join([str(x) for x in self.seq]))
def tearDown(self):
pass
def setUp(self):
self.empty_stack = Stack()
self.stack = Stack()
self.seq = [0, 2, 4, 6, 8]
for x in self.seq:
self.stack.push(x)
def setUp(self):
self.empty_stack = Stack()
self.stack = Stack()
self.seq = [0, 2, 4, 6, 8]
for x in self.seq:
self.stack.push(x)
