Program To Implement IP Addresses in Python Assignment Solution
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- Instructions
- Objective
- Requirements and Specifications
Instructions
Objective
Write a python assignment program to implement IP addresses in programming language.
Requirements and Specifications
.webp)
Source Code
import unittest
import random
class IPAddressConverter:
def numToIpAddress(self, num):
comps = []
for i in range(4):
comps.insert(0, str(num % 256))
num = num // 256
return ".".join(comps)
def ipAdressToNum(self, ip):
parts = ip.split(".")
res = 0
for i in range(4):
res = res * 256 + int(parts[i])
return res
class IPAddressConverterTest(unittest.TestCase):
def test_numToIpAddress_1(self):
num = 2130706433
exp = "127.0.0.1"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #1')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_2(self):
num = 0
exp = "0.0.0.0"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #2')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_3(self):
num = 1
exp = "0.0.0.1"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #3')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_4(self):
num = 255
exp = "0.0.0.255"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #4')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_5(self):
num = 256
exp = "0.0.1.0"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #5')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_6(self):
num = 65536
exp = "0.1.0.0"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #6')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_7(self):
num = 16777216
exp = "1.0.0.0"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #7')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_8(self):
num = 4294967295
exp = "255.255.255.255"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #8')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_9(self):
num = 777777777
exp = "46.91.242.113"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #9')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_numToIpAddress_10(self):
num = 100000000
exp = "5.245.225.0"
converter = IPAddressConverter()
res = converter.numToIpAddress(num)
print('NumToIPAddress Test #10')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_1(self):
ip = "127.0.0.1"
exp = 2130706433
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #1')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_2(self):
ip = "0.0.0.0"
exp = 0
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #2')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_3(self):
ip = "0.0.0.1"
exp = 1
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #3')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_4(self):
ip = "0.0.0.255"
exp = 255
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #4')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_5(self):
ip = "0.0.1.0"
exp = 256
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #5')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_6(self):
ip = "0.1.0.0"
exp = 65536
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #6')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_7(self):
ip = "1.0.0.0"
exp = 16777216
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #7')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_8(self):
ip = "255.255.255.255"
exp = 4294967295
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #8')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_9(self):
ip = "46.91.242.113"
exp = 777777777
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #9')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
def test_ipAddressToNum_10(self):
ip = "5.245.225.0"
exp = 100000000
converter = IPAddressConverter()
res = converter.ipAdressToNum(ip)
print('IPAddressToNum Test #10')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, "FAIL!")
class MonoalphabeticCipher:
def generateKey(self):
letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
result = ""
while len(letters) > 0:
r = random.randint(0, len(letters)-1)
result = result + letters[r]
del letters[r]
self.key = result
return result
def encrypt(self, plaintext):
result = ""
for c in plaintext:
if c.isalpha():
if c.islower():
result += self.key[ord(c) - ord('a')]
else:
result += self.key[ord(c.lower()) - ord('a')].upper()
else:
result += c
return result
def decrypt(self, ciphertext):
result = ""
for c in ciphertext:
if c.isalpha():
if c.islower():
result += chr(ord('a') + self.key.index(str(c)))
else:
result += chr(ord('a') + self.key.index(str(c.lower()))).upper()
else:
result += c
return result
class MonoalphabeticCipherTest(unittest.TestCase):
def _is_valid_key(self, key):
counters = {}
for c in key:
if not c.islower() or not c.isalpha():
return False
if c in counters:
return False
counters[c] = 1
return len(counters) == 26
def test_generateKey_1(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #1')
random.seed(1)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_2(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #2')
random.seed(2)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_3(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #3')
random.seed(3)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_4(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #4')
random.seed(4)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_5(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #5')
random.seed(5)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_6(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #6')
random.seed(6)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_7(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #7')
random.seed(7)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_8(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #8')
random.seed(8)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_9(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #9')
random.seed(9)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_generateKey_10(self):
cipher = MonoalphabeticCipher()
print('Generate Key Test #10')
random.seed(10)
key = cipher.generateKey()
if len(key) != 26:
valid = False
else:
valid = self._is_valid_key(key)
self.assertTrue(valid, "Key is not valid!")
print()
def test_encrypt_1(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
plaintext = ''
exp = ''
res = cipher.encrypt(plaintext)
print('Encrypt Test #1')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_2(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
plaintext = '!!!'
exp = '!!!'
res = cipher.encrypt(plaintext)
print('Encrypt Test #2')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_3(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
plaintext = 'hello'
exp = 'hello'
res = cipher.encrypt(plaintext)
print('Encrypt Test #3')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_4(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
plaintext = 'Hello'
exp = 'Hello'
res = cipher.encrypt(plaintext)
print('Encrypt Test #4')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_5(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
plaintext = 'Hello World!'
exp = 'Hello World!'
res = cipher.encrypt(plaintext)
print('Encrypt Test #5')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_6(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
plaintext = ''
exp = ''
res = cipher.encrypt(plaintext)
print('Encrypt Test #6')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_7(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
plaintext = '!!!'
exp = '!!!'
res = cipher.encrypt(plaintext)
print('Encrypt Test #7')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_8(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
plaintext = 'hello'
exp = 'svool'
res = cipher.encrypt(plaintext)
print('Encrypt Test #8')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_9(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
plaintext = 'Hello'
exp = 'Svool'
res = cipher.encrypt(plaintext)
print('Encrypt Test #9')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_encrypt_10(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
plaintext = 'Hello World!'
exp = 'Svool Dliow!'
res = cipher.encrypt(plaintext)
print('Encrypt Test #10')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_1(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
ciphertext = ''
exp = ''
res = cipher.decrypt(ciphertext)
print('Decrypt Test #1')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_2(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
ciphertext = '!!!'
exp = '!!!'
res = cipher.decrypt(ciphertext)
print('Encrypt Test #2')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_3(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
ciphertext = 'hello'
exp = 'hello'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #3')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_4(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
ciphertext = 'Hello'
exp = 'Hello'
res = cipher.encrypt(ciphertext)
print('Decrypt Test #4')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_5(self):
cipher = MonoalphabeticCipher()
cipher.key = "abcdefghijklmnopqrstuvwxyz"
ciphertext = 'Hello World!'
exp = 'Hello World!'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #5')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_6(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
exp = ''
ciphertext = ''
res = cipher.decrypt(ciphertext)
print('Decrypt Test #6')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_7(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
exp = '!!!'
ciphertext = '!!!'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #7')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_8(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
ciphertext = 'svool'
exp = 'hello'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #8')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_9(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
ciphertext = 'Svool'
exp = 'Hello'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #9')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
def test_decrypt_10(self):
cipher = MonoalphabeticCipher()
cipher.key = "zyxwvutsrqponmlkjihgfedcba"
ciphertext = 'Svool Dliow!'
exp = 'Hello World!'
res = cipher.decrypt(ciphertext)
print('Decrypt Test #10')
print('Expected: ', exp)
print('Actual: ', res)
print()
self.assertEqual(res, exp, 'FAIL!')
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