class TestLinkedList(unittest.TestCase):
def setUp(self):
self.list_test = LinkedList()
self.list_test.add_in_tail(Node(12))
self.list_test.add_in_tail(Node(73))
self.list_test.add_in_tail(Node(73))
self.list_test.add_in_tail(Node(12))
self.list_test.add_in_tail(Node(73))
self.list_test.add_in_tail(Node(73))
def test_delete_1(self):
self.list_test.delete(12)
self.assertEqual(get_list_nodes(self.list_test), [73, 73, 12, 73, 73])
def test_delete_2(self):
self.list_test.delete(12, all)
self.assertEqual(get_list_nodes(self.list_test), [73, 73, 73, 73])
def test_delete_3(self):
self.list_test = LinkedList()
self.list_test.delete(12)
self.assertEqual(get_list_nodes(self.list_test), [])
self.list_test = LinkedList()
self.list_test.add_in_tail(Node(12))
self.list_test.delete(12)
self.assertEqual(get_list_nodes(self.list_test), [])
self.list_test = LinkedList()
self.list_test.add_in_tail(Node(12))
self.list_test.delete(10)
self.assertEqual(get_list_nodes(self.list_test), [12])
self.list_test = LinkedList()
self.list_test.add_in_tail(Node(11))
self.list_test.add_in_tail(Node(12))
self.list_test.add_in_tail(Node(73))
self.list_test.delete(73)
self.assertEqual(get_list_nodes(self.list_test), [11, 12])
def test_clean(self):
self.list_test.clean()
self.assertEqual(self.list_test.head, None)
self.assertEqual(self.list_test.tail, None)
def test_find_all(self):
lst = self.list_test.find_all(12)
list_value = [node.value for node in lst]
self.assertEqual(list_value, [12, 12])
list_test = LinkedList()
self.assertEqual(list_test.find_all(12), [])
list_test = LinkedList()
list_test.add_in_tail(Node(12))
lst = list_test.find_all(12)
list_value = [node.value for node in lst]
self.assertEqual(list_value, [12])
def test_len(self):
self.assertEqual(self.list_test.len(), 6)
list_test = LinkedList()
self.assertEqual(list_test.len(), 0)
def test_insert(self):
node_1000 = Node(1000)
list_test = LinkedList()
list_test.insert(None, node_1000)
self.assertEqual(get_list_nodes(list_test), [1000])
list_test = LinkedList()
node_12 = Node(12)
list_test.add_in_tail(node_12)
list_test.insert(node_12, node_1000)
self.assertEqual(get_list_nodes(list_test), [12, 1000])
list_test = LinkedList()
node_12 = Node(12)
node_73 = Node(73)
list_test.add_in_tail(node_12)
list_test.add_in_tail(node_73)
list_test.insert(node_12, node_1000)
self.assertEqual(get_list_nodes(list_test), [12, 1000, 73])
def test_sum_list(self):
list_test_1 = LinkedList()
list_test_1.add_in_tail(Node(12))
list_test_1.add_in_tail(Node(38))
list_test_1.add_in_tail(Node(12))
list_test_1.add_in_tail(Node(55))
list_test_2 = LinkedList()
list_test_2.add_in_tail(Node(120))
list_test_2.add_in_tail(Node(550))
list_test_2.add_in_tail(Node(1280))
list_test_2.add_in_tail(Node(550))
self.assertEqual(sum_list(list_test_1, list_test_2),
[132, 588, 1292, 605])
list_test_2 = LinkedList()
list_test_2.add_in_tail(Node(120))
list_test_2.add_in_tail(Node(550))
list_test_2.add_in_tail(Node(1280))
self.assertEqual(sum_list(list_test_1, list_test_2), None)
