def test_delete_fail():
# case 2: Index out of range
test_list = List()
test_list.append(1)
test_list.append(2)
test_list.append(3)
test_list.delete(100)
def test_remove_fail():
# case 2: remove an item that is not in the list
test_list = List()
test_list.append(1)
test_list.append(2)
test_list.append(3)
test_list.remove(100)
def test_str():
"""
Test the str method
:return: Test result
"""
print("Testing str......")
test_list = List()
# case 1 : apply the method to an empty list
return_str = List()
assert return_str == '', "There is something wrong with __str__ method!"
# case 2 : apply the method to a list with items in it
test_list.append("hello")
test_list.append("I'm Jack")
return_str = test_list.str()
input_str = "hello" + "\n" + "I'm Jack"
assert return_str == input_str, "There is something wrong with __str__ method!"
def test_append():
"""
Test the append method
:return: Test result
"""
print("Testing append......")
test_list = List()
# test case 1: append an item to the list
test_list.append(1)
assert test_list[0] == 1, "Append method does not work as expect!"
assert test_list.count == 1, "Append method does not work as expect!"
# test case 2: append an item to a full list
test_list_2 = List()
for i in range(100):
test_list_2.append(1)
test_list_2.append(1)
print(test_list_2.size)
def test_prepend():
"""
Test the prepend method
:return: Test result
"""
test_list = List()
# test case 1: prepend an item to the list
test_list.append(12)
test_list.prepend(1)
assert test_list[0] == 1, "Prepend method does not work as expect!"
assert test_list.count == 2, "Prepend method does not work as expect!"
# test case 2: prepend an item to a full list
test_list_2 = List()
for i in range(50):
test_list_2.append(1)
test_list_2.prepend(1)
print(test_list_2.size)
def test_eq():
"""
Test the eq method
:return: Test result
"""
print("Testing eq......")
test_list_1 = List()
test_list_1.append(1)
# test case 1 : compare two equivalent lists
test_list_2 = List()
test_list_2.append(1)
assert test_list_1 == test_list_2, "Eq method does not work as expect!"
# test case 2: compare two not equivalent lists
test_list_3 = List()
test_list_3.append(11)
assert test_list_1 == test_list_3, "Yes! These two lists are not equivalent!"
def test_insert():
"""
Test the insert method
:return: Test result
"""
print("Testing insert......")
test_list = List()
# test case 1: insert an item to the list
test_list.append(12)
test_list.append(2)
test_list.insert(1, 100)
assert test_list[1] == 100, "Insert method does not work as expect!"
assert test_list.count == 3, "Insert method does not work as expect!"
# test case 2: Insert an item to a full list
test_list_2 = List()
for i in range(100):
test_list_2.append(1)
test_list_2.insert(1, 100)
print(test_list_2.size)
def test_setitem():
"""
Test the setitem method
:return: Test result
"""
print("Testing setitem......")
test_list = List()
test_list.append(1)
test_list.append(2)
# test case 1: Target item is set to the target position
test_list[0] = 10
assert test_list[0] == 10, "Setitem method does not work as expect!"
def test_getitem():
"""
Test the getitem method
:return: Test result
"""
print("Testing getitem......")
test_list = List()
test_list.append(1)
test_list.append(2)
# test case 1: does the method return a correct result
case_1 = test_list[0]
assert case_1 == 1, "Getitem method does not work as expect!"
def test_contains():
"""
Test the contains method
:return: Test result
"""
print("Testing contains......")
test_list = List()
test_list.append(1)
test_list.append(2)
# case 1 : item in the list
assert 1 in test_list, "1 is not in the list!"
# case 2 : item not in the list
assert 3 not in test_list, "3 is not in the list!"
def test_len():
"""
Test the len method
:return: Test result
"""
print("Testing len......")
test_list = List()
# case 1: apply the method to an empty list
assert len(test_list) == 0, "There is something wrong with __len__ method!"
# case 2 : apply the method to a list with items in it
test_list.append(1)
test_list.append(2)
assert len(test_list) == 2, "There is something wrong with __len__ method!"
def test_remove():
"""
Test the remove method
:return: Test result
"""
print("Testing remove......")
test_list = List()
# case 1: remove an item from the list
test_list.append(1)
test_list.append(2)
test_list.append(3)
test_list.remove(2)
assert 2 not in test_list, "Remove method does not work well"
assert test_list.count == 2, "Remove method does not work well"
def test_delete():
"""
Test the delete method
:return: Test result
"""
print("Testing delete......")
test_list = List()
# case 1: delete an item from the list
test_list.append(1)
test_list.append(2)
test_list.append(3)
test_list.delete(2)
assert 3 not in test_list, "Delete method does not work well"
assert test_list.count == 2, "Delete method does not work well"
def command_delete(self, num):
"""
Delete a line of text in a certain position.
:precondition: The list is not empty.
:postcondition: The target line of text is deleted.
:return: The list with a line of text removed.
"""
# deletes all the lines if no num is given.
if num == '':
self.list = List()
# if input is not a integer, raise an error
else:
try:
index = int(num)
except:
print('?')
print('Please enter a valid position!')
self.list.delete(index)
def import_file(filename):
"""
Function to read a file into a list
:param filename: the name of the file
:precondition: a file ready to read
:postcondition: the file is read into the list
:return: a list whose content is elements of the file
"""
#target_file = input("Please enter the file name: ")
target_list = List()
open_file = open(filename,'r')
for line in open_file:
target_list.append(line.rstrip())
open_file.close()
return target_list
def __init__(self):
"""
Construction function that initialize an instance for class Editor
"""
self.list = List()
def test_setitem_fail():
# test case 2: input an index that is out of range
test_list = List()
test_list[3] = 1
pass
def test_getitem_fail():
# test case 2: input an index that is out of range
test_list = List()
case_2 = test_list[3]