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test_prime3.py
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test_prime3.py
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#!C:\Python33\python.exe
import prime3
import unittest
class test_prime_gen(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_small_list_generation(self):
prime3.prime_gen(10)
true_list = [2, 3, 5, 7]
self.assertEqual(true_list, prime3.prime_list)
def test_medium_list_generation(self):
prime3.prime_gen(10000)
primes_under_1k = 1229
last_three = [9949, 9967, 9973]
self.assertEqual(len(prime3.prime_list), primes_under_1k)
self.assertEqual(prime3.prime_list[-3:], last_three)
# def test_large_list_generation(self):
# prime3.prime_gen(15485863)
# primes_under_15485863 = 1000000
# last_three = [15485849, 15485857, 15485863]
# self.assertEqual(len(prime3.prime_list), primes_under_15485863)
# self.assertEqual(prime3.prime_list[-3:], last_three)
def test_float(self):
prime3.prime_gen(14.7)
true_list = [2, 3, 5, 7, 11 ,13]
self.assertEqual(prime3.prime_list, true_list)
class test_latest_prime(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_prime(self):
prime3.prime_gen(7)
self.assertEqual(7, prime3.latest_prime())
def test_composite(self):
prime3.prime_gen(10)
self.assertEqual(7, prime3.latest_prime())
def test_twin_prime(self):
prime3.prime_gen(18)
self.assertEqual(17, prime3.latest_prime())
class test_nth_prime(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_1st_prime(self):
self.assertEqual(2, prime3.nth_prime(1))
def test_100th_prime(self):
self.assertEqual(541, prime3.nth_prime(100))
def test_float(self):
with self.assertRaises(Exception):
prime3.nth_prime(13.7)
class test_is_prime(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_a_prime(self):
self.assertTrue(prime3.is_prime(541))
def test_a_composite(self):
self.assertFalse(prime3.is_prime(541*547))
def test_float(self):
with self.assertRaises(Exception):
prime3.is_prime(13.7)
class test_get_ordinal(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_normal_usage(self):
prime3.prime_gen(541)
self.assertEqual(prime3.get_ordinal(541), 100)
def test_composite_request(self):
prime3.prime_gen(10)
with self.assertRaises(Exception):
prime3.get_ordinal(8)
def test_float(self):
with self.assertRaises(Exception):
prime3.get_ordinal(13.7)
class test_largest_under(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_prime(self):
self.assertEqual(541, prime3.largest_under(547))
self.assertEqual(3, prime3.largest_under(5))
def test_composite(self):
self.assertEqual(541, prime3.largest_under(546))
self.assertEqual(5, prime3.largest_under(6))
def test_two(self):
with self.assertRaises(Exception):
prime3.largest_under(2)
def test_float(self):
self.assertEqual(11, prime3.largest_under(13.7))
class test_factorize(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_small(self):
results = prime3.factorize(56)
expected = {2:3, 7:1}
self.assertEqual(results, expected)
def test_large(self):
results = prime3.factorize(295927)
expected = {541:1, 547:1}
self.assertEqual(results, expected)
def test_prime(self):
results = prime3.factorize(7)
expected = {7:1}
self.assertEqual(results, expected)
def test_one(self):
results = prime3.factorize(1)
expected = {}
self.assertEqual(results, expected)
def test_zero(self):
with self.assertRaises(Exception):
prime3.factorize(0)
def test_float(self):
with self.assertRaises(Exception):
prime3.factorize(13.7)
def test_negative(self):
with self.assertRaises(Exception):
prime3.factorize(-6)
class test_combine(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_large(self):
number = {541:1, 547:1}
self.assertEqual(295927, prime3.combine(number))
class test_index(unittest.TestCase):
def setUp(self):
prime3.prime_gen(600)
def test_prime(self):
self.assertEqual(100-1, prime3.index(541))
def test_composite(self):
self.assertEqual(100-1, prime3.index(542))
def test_float(self):
self.assertEqual(100-1, prime3.index(541.5))
class test_reset(unittest.TestCase):
def setUp(self):
prime3.prime_gen(10)
def test_values_reset(self):
prime3.reset()
self.assertEqual([2], prime3.prime_list)
self.assertEqual(2, prime3.latest_upto)
self.assertEqual({2:1}, prime3.ordinal_index)
class test_ordinal_index(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_policy_1(self):
prime3.index_policy = 1
prime3.largest_under(10)
prime3.get_ordinal(13)
prime3.is_prime(17)
self.assertEqual({2:1, 7:4, 13:6, 17:7}, prime3.ordinal_index)
def test_policy_2(self):
prime3.index_policy = 2
prime3.prime_gen(10)
self.assertEqual({2:1, 3:2, 5:3, 7:4}, prime3.ordinal_index)
class test_factor_list(unittest.TestCase):
def setUp(self):
prime3.reset()
def test_prime(self):
lst = prime3.factor_list(23)
self.assertEqual(lst, [1, 23])
def test_factorial(self):
lst = prime3.factor_list(120)
true_lst = [1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120]
self.assertEqual(lst, true_lst)
def test_square(self):
lst = prime3.factor_list(25)
self.assertEqual(lst, [1, 5, 25])
def test_large(self):
lst = prime3.factor_list(300)
true_lst = [1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300]
self.assertEqual(lst, true_lst)
def test_float(self):
with self.assertRaises(Exception):
prime3.factor_list(13.7)
if __name__ == '__main__':
unittest.main()