def test_is_empty(self): s = Stack() self.assertEqual(s.is_empty(), True) s.push(2) self.assertEqual(s.is_empty(), False) s.pop() self.assertEqual(s.is_empty(), True)
def test_peek(self):
s = Stack()
self.assertRaises(EmptyStack, s.peek)
s.push(3)
s.push('a')
self.assertEqual(s.peek(), 'a')
self.assertNotEqual(s.peek(), 3)
def test_size(self):
s = Stack()
s.push(5)
s.push(6)
self.assertEqual(s.size(), 2)
s.push(123123123)
self.assertEqual(s.size(), 3)
def test_pop(self):
s = Stack()
self.assertRaises(EmptyStack, s.pop)
s.push(3)
s.push("a")
self.assertEqual(s.pop(), "a")
self.assertEqual(s.pop(), 3)
def test_pop_empty(self): s = Stack() self.assertRaises(EmptyStack, s.pop)
def test_peek(self): s = Stack() s.push(2) s.push(4) self.assertEqual(s.peek(), 4)
def test_pop(self): s = Stack() s.push(2) self.assertEqual(s.pop(), 2)
def test_size(self): s = Stack() s.push(2) self.assertEqual(s.size(), 1)
def setUp(self):
self.stack = Stack()
class StackTests(unittest.TestCase):
def setUp(self):
self.stack = Stack()
def test_pop(self):
self.assertRaises(EmptyStack, self.stack.pop)
self.stack.push('test')
self.stack.push('a')
self.assertEqual(self.stack.pop(), 'a')
self.assertEqual(self.stack.size(), 1)
def test_peek(self):
self.assertRaises(EmptyStack, self.stack.peek)
self.stack.push('test')
self.assertEqual(self.stack.peek(), 'test')
self.assertEqual(self.stack.size(), 1)
def test_is_empty(self):
self.assertTrue(self.stack.is_empty())
def test_size(self):
self.stack.push('test')
self.assertEqual(self.stack.size(), 1)
def test_push(self):
s = Stack()
self.assertTrue(s.push(5))
def test_is_empty(self):
s = Stack()
self.assertTrue(s.is_empty())
s.push(5)
self.assertFalse(s.is_empty())
def setUp(self):
self.stack = Stack()
class StackTests(unittest.TestCase):
def setUp(self):
self.stack = Stack()
def test_pop(self):
self.assertRaises(EmptyStack, self.stack.pop)
self.stack.push('test')
self.stack.push('a')
self.assertEqual(self.stack.pop(), 'a')
self.assertEqual(self.stack.size(), 1)
def test_peek(self):
self.assertRaises(EmptyStack, self.stack.peek)
self.stack.push('test')
self.assertEqual(self.stack.peek(), 'test')
self.assertEqual(self.stack.size(), 1)
def test_is_empty(self):
self.assertTrue(self.stack.is_empty())
def test_size(self):
self.stack.push('test')
self.assertEqual(self.stack.size(), 1)
def test_Stack(self):
self.assertIn('__init__', dir(Stack))
self.assertIn('pop', dir(Stack))
self.assertIn('is_empty', dir(Stack))
testins = Stack()
testins.push("first")
testins.push(2)
testins.push(3)
self.assertEqual(testins.data, [3, 2, "first"])
testins.pop()
self.assertEqual(testins.data, [2, "first"])
self.assertEqual(testins.peek(), 2)
self.assertEqual(testins.size(), 2)
self.assertEqual(testins.is_empty(), False)
testins.pop()
testins.pop()
self.assertEqual(testins.is_empty(), True)
self.assertRaises(EmptyStack, testins.pop)
self.assertRaises(EmptyStack, testins.peek)
def test_Stack(self):
self.assertIn('__init__', dir(Stack))
self.assertIn('pop', dir(Stack))
self.assertIn('is_empty', dir(Stack))
testins = Stack()
testins.push("first")
testins.push(2)
testins.push(3)
self.assertEqual(testins.data, [3, 2, "first"])
testins.pop()
self.assertEqual(testins.data, [2, "first"])
self.assertEqual(testins.peek(), 2)
self.assertEqual(testins.size(), 2)
self.assertEqual(testins.is_empty(), False)
testins.pop()
testins.pop()
self.assertEqual(testins.is_empty(), True)
self.assertRaises(EmptyStack, testins.pop)
self.assertRaises(EmptyStack, testins.peek)