def test_can_return_an_error_():
newList = LinkedList()
newList2 = LinkedList()
answer = zip_lists(newList, newList2)
expected = "Lists are empty"
actual = answer
assert expected == actual
def test_one_empty_ll1():
ll1 = LinkedList()
ll2 = create_list_append([5, 9, 4])
# h=zip(ll1,ll2)
# assert h.value is 5
# assert h.next.value is 9
assert str(zip(ll1, ll2)) == '{ 5 } -> { 9 } -> { 4 } -> None'
def test_one_empty_ll2():
ll1 = create_list_append([1, 3, 2])
ll2 = LinkedList()
# h=zip(ll1,ll2)
# assert h.value is 1
# assert h.next.value is 3
assert str(zip(ll1, ll2)) == '{ 1 } -> { 3 } -> { 2 } -> None'
def test_zip_one():
ll_one = LinkedList()
ll_one.append('test')
ll_one.append(5)
ll_one.append(7)
ll_one.append(8)
ll_one.append(9)
ll_two = LinkedList()
ll_two.append('two')
ll_two.append(0)
ll_two.append('a')
ll_two.append(23)
ll_two.append('k')
actual = zipLists(ll_one, ll_two)
excepted = '{ test } -> { two } -> { 5 } -> { 0 } -> { 7 } -> { a } -> { 8 } -> { 23 } -> { 9 } -> { k } -> Null'
assert actual == excepted
def test_zip_three():
ll_one = LinkedList()
ll_one.append('hi')
ll_one.insert(5)
ll_one.append(7)
ll_one.insertBefore(8, 5)
ll_one.append("ayman")
ll_two = LinkedList()
ll_two.append('y')
ll_two.insert('a')
ll_two.append('m')
ll_two.insertAfter('m', 'a')
ll_two.append('n')
actual = zipLists(ll_one, ll_two)
excepted = '{ 5 } -> { a } -> { hi } -> { y } -> { 7 } -> { m } -> { 5 } -> { a } -> { ayman } -> { n } -> Null'
assert actual == excepted
def test_zip_two():
ll_one = LinkedList()
ll_one.append('test')
ll_one.insert(5)
ll_one.append(7)
ll_one.insertBefore(7, 8)
ll_one.append(9)
ll_two = LinkedList()
ll_two.append('two')
ll_two.append(0)
ll_two.append(23)
ll_two.insertAfter(23, 'a')
ll_two.append('k')
actual = zipLists(ll_one, ll_two)
excepted = '{ 5 } -> { two } -> { test } -> { 0 } -> { 8 } -> { 23 } -> { 7 } -> { a } -> { 9 } -> { k } -> Null'
assert actual == excepted
def test_can_successfully_zip_two_linked_lists():
newList = LinkedList()
newList.insert(5)
newList.insert(3)
newList.insert(1)
newList2 = LinkedList()
newList2.insert(6)
newList2.insert(4)
newList2.insert(2)
answer = zip_lists(newList, newList2)
expected = ['1', '2', '3', '4', '5', '6']
actual = [
answer.headVal.nodeVal, answer.headVal.nextVal.nodeVal,
answer.headVal.nextVal.nextVal.nodeVal,
answer.headVal.nextVal.nextVal.nextVal.nodeVal,
answer.headVal.nextVal.nextVal.nextVal.nextVal.nodeVal,
answer.headVal.nextVal.nextVal.nextVal.nextVal.nextVal.nodeVal
]
assert expected == actual
def create_list_append(lis):
"""helper function to create list by append with given values, used in test module"""
my_l_list = LinkedList()
for i in lis:
my_l_list.append(i)
return my_l_list
def create_list_insert(lis):
"""helper function to create list by insert with given values, used in test module"""
my_l_list = LinkedList()
for i in lis:
my_l_list.insert(i)
return my_l_list
def test_two_empty_ll():
ll1 = LinkedList()
ll2 = LinkedList()
h = zip(ll1, ll2)
assert h.head == None