def test_getValueAt(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(91))
TestAppend.linkedList.append(node=pylinkedlist.Node(51))
TestAppend.linkedList.append(node=pylinkedlist.Node(21))
TestAppend.linkedList.append(node=pylinkedlist.Node(11))
TestAppend.linkedList.append(node=pylinkedlist.Node(81))
# act
valOne = TestAppend.linkedList.getValueAt(0)
valTwo = TestAppend.linkedList.getValueAt(2)
valThree = TestAppend.linkedList.getValueAt(4)
with pytest.raises(IndexError) as excinfoOne:
TestAppend.linkedList.getValueAt(-99)
with pytest.raises(IndexError) as excinfoTwo:
TestAppend.linkedList.getValueAt(99)
# assert
assert valOne == 91
assert valTwo == 21
assert valThree == 81
assert excinfoOne.value.message == "Value given out of range"
assert excinfoTwo.value.message == "Value given out of range"
def test_clear(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(91))
TestAppend.linkedList.append(node=pylinkedlist.Node(51))
TestAppend.linkedList.append(node=pylinkedlist.Node(21))
# act
TestAppend.linkedList.clear()
# assert
assert TestAppend.linkedList.count() == 0
def test_last(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(10))
TestAppend.linkedList.append(node=pylinkedlist.Node(20))
TestAppend.linkedList.append(node=pylinkedlist.Node(30))
# act
lastNode = TestAppend.linkedList.last()
# assert
assert lastNode.data == 30
def test_count(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(91))
TestAppend.linkedList.append(node=pylinkedlist.Node(51))
TestAppend.linkedList.append(node=pylinkedlist.Node(21))
TestAppend.linkedList.append(node=pylinkedlist.Node(11))
TestAppend.linkedList.append(node=pylinkedlist.Node(81))
# act
# ...
# assert
assert TestAppend.linkedList.count() == 5
def test_prepend(self):
# arrange
TestAppend.linkedList.prepend(node=pylinkedlist.Node(10))
TestAppend.linkedList.prepend(node=pylinkedlist.Node(20))
TestAppend.linkedList.prepend(node=pylinkedlist.Node(30))
expectedOrder = [40, 30, 20, 10]
# act
TestAppend.linkedList.prepend(node=pylinkedlist.Node(40))
actualOrder = [
TestAppend.linkedList.getValueAt(0),
TestAppend.linkedList.getValueAt(1),
TestAppend.linkedList.getValueAt(2),
TestAppend.linkedList.getValueAt(3),
]
# assert
assert expectedOrder == actualOrder
def test_insertAtOutOfIndex(self):
# arrange
# ...
# act
with pytest.raises(IndexError) as excinfoOne:
TestAppend.linkedList.insertAt(5, node=pylinkedlist.Node(81))
# assert
assert excinfoOne.value.message == "Value given out of range"
def test_append(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(21))
TestAppend.linkedList.append(node=pylinkedlist.Node(31))
TestAppend.linkedList.append(node=pylinkedlist.Node(11))
expectedOrder = [21, 31, 11, 91]
# act
TestAppend.linkedList.append(node=pylinkedlist.Node(91))
actualOrder = [
TestAppend.linkedList.getValueAt(0),
TestAppend.linkedList.getValueAt(1),
TestAppend.linkedList.getValueAt(2),
TestAppend.linkedList.getValueAt(3),
]
# assert
assert expectedOrder == actualOrder
def test_insertat0whenempty(self):
# arrange
TestAppend.linkedList.insertAt(0, node=pylinkedlist.Node(81))
valOne = TestAppend.linkedList.getValueAt(0)
# act
# ...
# assert
assert TestAppend.linkedList.count() == 1
assert valOne == 81
def test_insertAt(self):
# arrange
TestAppend.linkedList.append(node=pylinkedlist.Node(91))
TestAppend.linkedList.append(node=pylinkedlist.Node(51))
TestAppend.linkedList.append(node=pylinkedlist.Node(21))
TestAppend.linkedList.append(node=pylinkedlist.Node(11))
TestAppend.linkedList.append(node=pylinkedlist.Node(81))
expectedOrder = [91, 51, 21, 66, 11, 81]
# act
TestAppend.linkedList.insertAt(3, node=pylinkedlist.Node(66))
actualOrder = [
TestAppend.linkedList.getValueAt(0),
TestAppend.linkedList.getValueAt(1),
TestAppend.linkedList.getValueAt(2),
TestAppend.linkedList.getValueAt(3),
TestAppend.linkedList.getValueAt(4),
TestAppend.linkedList.getValueAt(5)
]
assert expectedOrder == actualOrder