def test_swap_k_1(self):
""" Test empty list """
L = []
k = 0
a1.swap_k(L, k)
expected = []
self.assertEqual(L, expected)
def test_empty(self):
"""
Test empty list
"""
L = []
a1.swap_k(L, 0)
self.assertEquals(len(L),0)
def test_swapk_1(self):
""" test with even list and even k"""
nums = [1, 2, 3, 4, 5, 6]
a1.swap_k(nums, 2)
actual = nums
expected = [5, 6, 3, 4, 1, 2]
self.assertEqual(actual, expected)
def test_one(self):
"""
Test list with only one element
"""
L = [1]
a1.swap_k(L, 1)
self.assertEquals(L[0],1)
def test_swap_k_4(self):
""" Test 1 < k < len(L) // 2 """
L = [1, 2, 3, 4, 5, 6]
k = 2
a1.swap_k(L, k)
expected = [5, 6, 3, 4, 1, 2]
self.assertEqual(L, expected)
def test_swap_example2(self):
'''Testing Boundaries: the smallest list where the order can be changed'''
nums = [10,20]
a1.swap_k(nums, 1)
actual = nums
expected = [20, 10]
self.assertEqual(actual, expected)
def test_1_item(self):
""" Test a single-item list -- smallest non-empty list and smallest list
with an odd number of items."""
L = [1]
L_expected = [1]
a1.swap_k(L, 0)
self.assertEqual(L, L_expected)
def test_2_item(self):
""" Test swap on 2-item list -- the smallest list that actually be swapped, and
smallest list with an even number of items."""
L = [1, 2]
L_expected = [2, 1]
a1.swap_k(L, 1)
self.assertEqual(L, L_expected)
def test_swap_k_even_length_list_and_k_0(self):
""" Test swap_k with a input of even length list and k=0 """
test_list = [ 1, 2, 3, 4 ]
a1.swap_k(test_list, 0)
expected_result = [ 1, 2, 3, 4 ]
self.assertEqual(test_list, expected_result)
def test_swap_k_empty_list(self):
""" Test swap_k with a input ofn empty list """
test_list = []
a1.swap_k(test_list, 0)
expected_result = []
self.assertEqual(test_list, expected_result)
def test_swap_example1(self):
'''Testing Boundaries & Size: an empty list first'''
nums = []
a1.swap_k(nums, 0)
actual = nums
expected = []
self.assertEqual(actual, expected)
def test_swap_k_even_length_list_and_k_1(self):
""" Test swap_k with a input of an even length list and k=1 """
test_list = [ 1, 2, 3, 4 ]
a1.swap_k(test_list, 1)
expected_result = [ 4, 2, 3, 1 ]
self.assertEqual(test_list, expected_result)
def test_swap_k_one_element_list(self):
""" Test swap_k with a input of a list of one element """
test_list = [ 1 ]
a1.swap_k(test_list, 0)
expected_result = [ 1 ]
self.assertEqual(test_list, expected_result)
def test_swap_k_two_element_list_and_k_zero(self):
""" Test swap_k with a input of a list of 2 elements and k=0 """
test_list = [ 1, 2 ]
a1.swap_k(test_list, 0)
expected_result = [ 1, 2 ]
self.assertEqual(test_list, expected_result)
def test_swap_k_even_element_list_and_kmax(self):
"""Test swap_k with an even length list and k=len(L)//2."""
L = [1, 2, 3, 4, 5, 6]
a1.swap_k(L, 3)
expected = [4, 5, 6, 1, 2, 3]
self.assertEqual(L, expected)
def test_swap_k_odd_element_list_and_kmax(self):
"""Test swap_k with an odd length list and k=len(L)//2."""
L = [1, 2, 3, 4, 5]
a1.swap_k(L, 2)
expected = [4, 5, 3, 1, 2]
self.assertEqual(L, expected)
def test_swap_k_empty_list(self):
"""Test swap_k with an empty list."""
L = []
a1.swap_k(L, 0)
expected = []
self.assertEqual(L, expected)
def test_swap_k_2(self):
""" Test single element case and k = 0 case """
L = [1]
k = 0
a1.swap_k(L, k)
expected = [1]
self.assertEqual(L, expected)
def test_swap_k_3(self):
""" Test k = 1 """
L = [1, 2, 3, 4, 5, 6]
k = 1
a1.swap_k(L, k)
expected = [6, 2, 3, 4, 5, 1]
self.assertEqual(L, expected)
def test_swap_example3(self):
'''Testing Dichotomy: a list with an odd length'''
nums = [10,20,30]
a1.swap_k(nums, 1)
actual = nums
expected = [30, 20, 10]
self.assertEqual(actual, expected)
def test_swap_k_odd_length_list_and_k_1(self):
""" Test swap_k with a input of an odd length list and and k=1 """
test_list = [ 1, 2, 3, 4, 5 ]
a1.swap_k(test_list, 1)
expected_result = [ 5, 2, 3, 4, 1 ]
self.assertEqual(test_list, expected_result)
def test_swap_example4(self):
'''Testing Size & Dichotomy: a large list with an even number of elements'''
nums = [1, 2, 3, 4, 5, 6]
a1.swap_k(nums, 2)
actual = nums
expected = [5, 6, 3, 4, 1, 2]
self.assertEqual(actual, expected)
def test_swap_k_where_list_has_5_items(self):
''' Test swap_k when the list has 5 items and k == 1'''
actual_list = [1, 2, 3, 4, 5]
expected = [5, 2, 3, 4, 1]
a1.swap_k(actual_list, 1)
self.assertEqual(expected, actual_list)
def test_swapk_6(self):
""" test with odd list and even k """
nums = [9, 8, 7, 6, 5, 4, 3]
a1.swap_k(nums, 3)
actual = nums
expected = [5, 4, 3, 6, 9, 8, 7]
self.assertEqual(actual, expected)
def test_swap_k_where_list_is_empty(self):
''' Test swap_k when the list is empty and k == 0'''
actual_list = []
expected = []
a1.swap_k(actual_list, 0)
self.assertEqual(expected, actual_list)
def test_swap_k_where_list_has_1_item(self):
''' Test swap_k when the list has 1 item k == 0'''
actual_list = [1]
expected = [1]
a1.swap_k(actual_list, 0)
self.assertEqual(expected, actual_list)
def test_swap_k_long_list(self):
"""Test swap_k with long list of even values."""
nums = [1, 2, 3, 4, 5, 6]
a1.swap_k(nums, 2)
expected = [5, 6, 3, 4, 1, 2]
self.assertEqual(expected, nums)
def test_one_item_swapped(self):
""" Swapping 1/3 of an even array."""
actual = [1, 2, 3, 4, 5, 6]
a1.swap_k(actual, 1)
expected = [6, 2, 3, 4, 5, 1]
self.assertEqual(expected, actual)
def test_testswap_k_example_2(self):
"""Test the case when k == 1."""
nums = [1,2]
a1.swap_k(nums,1)
actual = nums
expected = [2,1]
self.assertEqual(expected,actual)
def test_zero_item_swapped(self):
""" None swapping."""
actual = [1, 2, 3, 4, 5, 6]
a1.swap_k(actual, 0)
expected = [1, 2, 3, 4, 5, 6]
self.assertEqual(expected, actual)
def test_one_item_list(self):
""" None swapping on one item list."""
actual = [1]
a1.swap_k(actual, 0)
expected = [1]
self.assertEqual(expected, actual)
def test_swap_k_two_element_list_and_k1(self):
"""Test swap_k with one element list, i.e. a singleton list, and k=1."""
L = [1, 2]
a1.swap_k(L, 1)
expected = [2, 1]
self.assertEqual(L, expected)
def test_half_item_swapped(self):
""" Swapping half of an even array."""
actual = [1, 2, 3, 4, 5, 6]
a1.swap_k(actual, 3)
expected = [4, 5, 6, 1, 2, 3]
self.assertEqual(expected, actual)
def test_swap_k_long_odd(self):
"""Test swap k with a long odd length list."""
nums = [1,2,3,4,5,6,7]
a1.swap_k(nums,3)
expected = [5, 6, 7, 4, 1, 2, 3]
self.assertEqual(expected, nums)
def test_swap_k_1(self):
"""Test swap_k with [1, 2, 3, 4, 5, 6] and 2"""
nums = [1, 2, 3, 4, 5, 6]
expected = [5, 6, 3, 4, 1, 2]
a1.swap_k(nums, 2)
self.assertEqual(expected, nums)
def test_swap_k_short_list(self):
"""Test swap_k with short list."""
nums = [1,2,3]
a1.swap_k(nums,1)
expected = [3, 2, 1]
self.assertEqual(expected, nums)
def test_swap_k_zero_k(self):
"""Test swap_k where k is 0."""
nums = [1, 2, 3]
a1.swap_k(nums,0)
expected = [1, 2, 3]
self.assertEqual(expected, nums)
def test_swap_k_one_element_list_and_k0(self):
"""Test swap_k with one element list, i.e. a singleton list, and k=0."""
L = [1]
a1.swap_k(L, 0)
expected = [1]
self.assertEqual(L, expected)
def test_swap_k_5(self):
""" Test k = len(L) // 2 """
L = [1, 2, 3, 4, 5, 6]
k = 3
a1.swap_k(L, k)
expected = [4, 5, 6, 1, 2, 3]
self.assertEqual(L, expected)
def test_swap_k_two_element_list_and_k0(self):
"""Test swap_k with two element list and k=0."""
L = [1, 2]
a1.swap_k(L, 0)
expected = [1, 2]
self.assertEqual(L, expected)
def test_testswap_k_example_3(self):
"""Test the case when k > 1."""
nums = [1,2,3,4,5]
a1.swap_k(nums,2)
actual = nums
expected = [4,5,3,1,2]
self.assertEqual(expected,actual)
def test_swap_k_where_list_has_4_items(self):
''' Test swap_k when the list has 4 items and k == 2'''
actual_list = [1, 2, 3, 4]
expected = [3, 4, 1, 2]
a1.swap_k(actual_list, 2)
self.assertEqual(expected, actual_list)
def test_testswap_k_example_1(self):
"""Test the case when k == 0, thus L keeps the same, no matter how long L is."""
nums = [1,2,3,4,5,6]
a1.swap_k(nums, 0)
actual = nums
expected = [1,2,3,4,5,6]
self.assertEqual(expected,actual)
def test_max_swap_odd(self):
nums = [1, 2, 3, 4, 5, 6, 7]
nums_expected = [5, 6, 7, 4, 1, 2, 3]
k = 3
a1.swap_k(nums,k)
self.assertEqual(nums, nums_expected)
def test_swap_k_even_list_all(self):
"""Test swap_k with an even list where all values
are swapped."""
nums = [1, 2, 3, 4]
a1.swap_k(nums, 2)
expected = [3, 4, 1, 2]
self.assertEqual(expected, nums)
def test_two_elements_swap(self):
"""Test two elements with k = 1, should reverse the list"""
L = [1, 2]
k = 1
L_expected = [2, 1]
a1.swap_k(L, k)
self.assertEquals(L_expected, L)
def test_no_swap(self):
nums = [1, 2, 3, 4, 5, 6]
nums_expected = [1, 2, 3, 4, 5, 6]
k = 0
a1.swap_k(nums,0)
self.assertEqual(nums, nums_expected)
def test_max_swap_even(self):
nums = [1, 2, 3, 4, 5, 6]
nums_expected = [4, 5, 6, 1, 2, 3]
k = 3
a1.swap_k(nums,k)
self.assertEqual(nums, nums_expected)
def test_swapk_3(self):
"""
Test swapk_k for an empty list.
The return value should also be an empty list
"""
actualList = []
expectedList = []
a1.swap_k(actualList, 0)
self.assertEqual(expectedList, actualList)
def test_two_case_two(self):
"""
two element list passed with arg k = 0
"""
num = [1,2]
k = 0
num_expected = [1,2]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_general_odd(self):
"""
five element general list passed with arg k = 2
"""
num = [1,2,3,4,5]
k = 2
num_expected = [4,5,3,1,2]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_three_case_two(self):
"""
three element list passed with arg k = 1
"""
num = [1,2,3]
k = 1
num_expected = [3,2,1]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_null_case(self):
"""
empty list passed with arg k = 0
"""
num = []
k = 0
num_expected = []
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_general_even(self):
"""
four element general list passed with arg k = 1
"""
num = [1,2,3,4]
k = 1
num_expected = [4,2,3,1]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_general_even_two(self):
"""
four element general list passed with arg k = 2
"""
num = [1,2,3,4]
k = 2
num_expected = [3,4,1,2]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_swapk_example_2(self):
"""Test swap_k with nums = [1, 2, 3].
and dont swap any | nums, 0
"""
nums = [1, 2, 3]
nums_expected = [1, 2, 3]
a1.swap_k(nums, 0)
self.assertEqual(nums, nums_expected)
def test_swapk_example_3(self):
"""Test swap_k with nums = [1, 1, 1, 1, 1, 1].
and have all the numbers the same and swap 4
"""
nums = [1, 1, 1, 1, 1, 1]
nums_expected = [1, 1, 1, 1, 1, 1]
a1.swap_k(nums, 4)
self.assertEqual(nums, nums_expected)
def test_one_case_two(self):
"""
single element list passed with arg k = 1
"""
num = [1]
k = 1
num_expected = [1]
a1.swap_k(num,k)
self.assertEqual(num, num_expected)
def test_swapk_example_4(self):
"""Test swap_k with nums = [2, 3]
swapping a list with only 2 in the list but askign for 2 to be swapped
"""
nums = [2, 3]
nums_expected = [2, 3]
a1.swap_k(nums, 2)
self.assertEqual(nums, nums_expected)
def test_swapk_example_1(self):
"""Test swap_k with nums = [1, 2, 3, 4, 5, 6].
and swap the last 2
"""
nums = [1, 2, 3, 4, 5, 6]
nums_expected = [ 5, 6, 3, 4, 1, 2]
a1.swap_k(nums, 2)
self.assertEqual(nums, nums_expected)
