test_cases.py

"""
THESE IS NO NEED TO EDIT THIS FILE
"""

import unittest
import uuid
import hashlib

#And our library
import FixMe

#Primes up to 100
PRIMELIST = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97]

class Test_Primes(unittest.TestCase):
        
    def testUUID(self):
        #Spin up that Random number generator seed.
        theSeed = uuid.uuid1()
        print(theSeed)
        self.assertTrue(theSeed, "Random Number Init Fails")

    def testValidity(self):
        #Check the Validity of the file
        with open("test_cases.py", "r") as fd:
            data = fd.read()

        theHash = hashlib.md5(data.encode()).hexdigest()
        print(theHash)
        self.assertTrue(theHash, "File Integrety Fails")


    def testPrimes(self):
        """
        Are Known Primes Prime
        """
        primeList = [2,7,11,43,67]
        out = [] #Juyst to get some output
        for item in primeList:
            isPrime = FixMe.isPrime(item)
            if isPrime:
                out.append(item)
            self.assertTrue(isPrime, "{0} is Prime".format(item))

        print ("Prime Values {0}".format(out))

    def testNonPrimes(self):
        """
        Are Known non primes matched
        """
        primeList = [4,10,25,42]
        out = [] #Juyst to get some output
        for item in primeList:
            isPrime = FixMe.isPrime(item)
            if not isPrime:
                out.append(item)
            self.assertFalse(isPrime, "{0} is not Prime".format(item))

        print ("Prime Values {0}".format(out))

    def test_OneIsNotPrime(self):
        """
        Test some corner cases.

        One is not prime. 
        """

        onePrime = FixMe.isPrime(1)
        self.assertFalse(onePrime, "1 Is not Prime.  A number must be greater than 1 to be prime")
        
    def test_TwoIsPrime(self):
        """
        Test some corner cases.

        Two is Prime
        """

        #the only "Even" prime
        twoPrime = FixMe.isPrime(2)
        self.assertTrue(twoPrime, "2 Is Prime. (and the only Even Prime Number)")


    def testPrimeList_Twenty(self):
        """
        See if our function to find all primes up to a number works
        """

        primesTo20 = FixMe.primeList(20)
        self.assertEqual(primesTo20, [2,3,5,7,11,13,17,19], "List of primes generated is incorrect")

    def testPrimeList_Hundred(self):
        """
        Test if our list of the first 100 primes is correct
        """

        output = FixMe.primeList(100)
        self.assertEqual(output,PRIMELIST , "List of primes generated is incorrect")


        
    def test_First10Primes(self):
        """
        Can we get a list of the first 10 primes
        """

        output = FixMe.getFirstNPrimes(10)
        self.assertEqual(len(output), 10, "List shopuld return 10 Primes" )
        self.assertEqual(output, PRIMELIST[:10], "First 10 primes are incorrect")