def test_empty_stack_exception(self):
"""testcase7:Raise EmptyStackError exception"""
Stack_default = Stack(data_type=str, limit=1)
Stack_default.push('A')
Stack_default.pull()
with self.assertRaises(EmptyStackError):
Stack_default.pull()
def test_type(self):
"""testcase8:Clear method test"""
Stack_default = Stack(data_type=bool, limit=11)
Stack_default.push(True)
Stack_default.push(True)
Stack_default.push(False)
self.assertEqual(Stack_default.type(), bool)
def test_clear(self):
"""testcase8:Clear method test"""
Stack_default = Stack(data_type=int, limit=11)
Stack_default.push(1)
Stack_default.push(2)
Stack_default.push(3)
Stack_default.clear()
self.assertEqual(Stack_default.count(), 0)
def test_pull(self):
"""testcase4: Add two elements into stack and delete one , expected result
deleteted element is correct and amount is equal 2
"""
Stack_default = Stack(data_type=int, limit=11)
Stack_default.push(1)
Stack_default.push(2)
Stack_default.push(3)
self.assertEqual(Stack_default.pull(), 3)
self.assertEqual(Stack_default.count(), 2)
def test_limit_exception(self):
"""testcase6:Raise LimitExceedError exception"""
Stack_default = Stack(data_type=str, limit=1)
Stack_default.push('A')
with self.assertRaises(LimitExceedError):
Stack_default.push('x')
def test_type_exception(self):
"""testcase5:Raise TypeError exception"""
Stack_default = Stack(data_type=int, limit=1)
with self.assertRaises(TypeError):
Stack_default.push('x')
def test_init_add(self):
"""testcase3: Add two elements into stack and validate amount"""
Stack_default = Stack(data_type=int, limit=11)
Stack_default.push(1)
Stack_default.push(2)
self.assertEqual(Stack_default.count(), 2)