sieve_test.py

import unittest

from sieve import sieve


# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0

class SieveTest(unittest.TestCase):
    def test_no_primes_under_two(self):
        self.assertEqual(sieve(1), [])

    def test_find_first_prime(self):
        self.assertEqual(sieve(2), [2])

    def test_find_primes_up_to_10(self):
        self.assertEqual(sieve(10), [2, 3, 5, 7])

    def test_limit_is_prime(self):
        self.assertEqual(sieve(13), [2, 3, 5, 7, 11, 13])

    def test_find_primes_up_to_1000(self):
        self.assertEqual(
            sieve(1000), [
                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, 101, 103, 107, 109, 113, 127,
                131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191,
                193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257,
                263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331,
                337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401,
                409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467,
                479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563,
                569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631,
                641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709,
                719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797,
                809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877,
                881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967,
                971, 977, 983, 991, 997
            ])


if __name__ == '__main__':
    unittest.main()