+++ /dev/null
-import unittest
-import string
-
-from enigma import *
-from bombe import *
-
-class ScramblerTest(unittest.TestCase):
- def setUp(self):
- self.scrambler = Scrambler(wheel_i_spec, wheel_ii_spec,
- wheel_iii_spec, reflector_b_spec)
-
- def test_attributes(self):
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 0))
- self.assertEqual(self.scrambler.wheel_positions_l, ('a', 'a', 'a'))
-
- def test_set_positions(self):
- self.scrambler.set_positions(1, 2, 3)
- self.assertEqual(self.scrambler.wheel_positions, (1, 2, 3))
- self.assertEqual(self.scrambler.wheel_positions_l, ('b', 'c', 'd'))
- self.scrambler.set_positions('p', 'q', 'r')
- self.assertEqual(self.scrambler.wheel_positions, (15, 16, 17))
- self.assertEqual(self.scrambler.wheel_positions_l, ('p', 'q', 'r'))
-
- def test_advance(self):
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 0))
- self.scrambler.advance()
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 1))
- self.scrambler.advance()
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 2))
- self.scrambler.set_positions(0, 0, 25)
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 25))
- self.scrambler.advance()
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 0))
- self.scrambler.set_positions(0, 0, 25)
- self.scrambler.advance(wheel3=False)
- self.assertEqual(self.scrambler.wheel_positions, (0, 0, 25))
- self.scrambler.set_positions(0, 0, 25)
- self.scrambler.advance(wheel2=True)
- self.assertEqual(self.scrambler.wheel_positions, (0, 1, 0))
- self.scrambler.set_positions(0, 0, 25)
- self.scrambler.advance(wheel1=True, wheel2=True)
- self.assertEqual(self.scrambler.wheel_positions, (1, 1, 0))
-
- def test_lookups(self):
- self.scrambler.set_positions(0, 0, 0)
- self.assertEqual(cat(self.scrambler.lookup(l)
- for l in string.ascii_lowercase),
- 'uejobtpzwcnsrkdgvmlfaqiyxh')
- self.assertEqual(cat(self.scrambler.lookup(l)
- for l in 'uejobtpzwcnsrkdgvmlfaqiyxh'),
- 'abcdefghijklmnopqrstuvwxyz')
- self.scrambler.set_positions('p', 'q', 'r')
- self.assertEqual(cat(self.scrambler.lookup(l)
- for l in string.ascii_lowercase),
- 'jgqmnwbtvaurdezxclyhkifpso')
- self.assertEqual(cat(self.scrambler.lookup(l)
- for l in 'jgqmnwbtvaurdezxclyhkifpso'),
- 'abcdefghijklmnopqrstuvwxyz')
-
-class BombeTest(unittest.TestCase):
- def setUp(self):
- self.bombe = Bombe(wheel_i_spec, wheel_ii_spec,
- wheel_iii_spec, reflector_b_spec)
- self.plaintext = 'thisisatestmessage'
- self.ciphertext = 'opgndxcrwomnlnecjz'
- self.menu = make_menu(self.plaintext, self.ciphertext)
- self.bombe.read_menu(self.menu)
-
- def test_menu(self):
- self.assertEqual(len(self.bombe.connections), 18)
- self.assertEqual(':'.join(sorted(cat(sorted(c.banks))
- for c in self.bombe.connections)),
- 'ac:ac:di:el:es:ew:ez:gi:gj:hp:mn:mt:ns:ns:os:ot:rt:sx')
- self.assertEqual(':'.join(sorted(cat(c.scrambler.wheel_positions_l)
- for c in self.bombe.connections)),
- 'aaa:aab:aac:aad:aae:aaf:aag:aah:aai:aaj:aak:aal:aam:aan:aao:aap:aaq:aar')
-
- self.bombe.read_menu(self.menu)
- self.assertEqual(len(self.bombe.connections), 18)
-
- def test_signal(self):
- self.bombe.test(Signal('t', 't'))
- self.assertEqual(len(self.bombe.banks['t']), 26)
- self.assertTrue(all(self.bombe.banks['t'].values()))
- self.assertEqual(sum(1 for s in self.bombe.banks['u'].values() if s), 18)
-
- self.bombe.set_positions('a', 'a', 'b')
- self.bombe.test()
- self.assertEqual(sum(1 for b in self.bombe.banks
- for s in self.bombe.banks[b].values() if s),
- 11)
-
- def test_valid_with_rings(self):
- pt31 = 'someplaintext'
- ct31 = 'dhnpforeeimgg'
- menu31 = make_menu(pt31, ct31)
- b31 = Bombe(wheel_i_spec, wheel_v_spec, wheel_iii_spec, reflector_b_spec)
- b31.read_menu(menu31)
- b31.set_positions('e', 'l', 'f')
-
- b31.test(Signal('s', 'o'))
- self.assertEqual(sum(1 for b in b31.banks
- for s in b31.banks[b].values() if s),
- 5)
- self.assertEqual(':'.join(sorted(cat(sorted(p))
- for p in b31.possible_plugboards())),
- 'd:hl:os')
-
- b31.test(Signal('o', 'o'))
- self.assertEqual(sum(1 for b in b31.banks
- for s in b31.banks[b].values() if s),
- 507)
- self.assertEqual(':'.join(sorted(cat(sorted(p))
- for p in b31.possible_plugboards())),
- 'bg:ey:fp:in:m:tx')
-
- def test_invalid_with_rings(self):
- pt31 = 'someplaintext'
- ct31 = 'dhnpforeeimgg'
- menu31 = make_menu(pt31, ct31)
- b31 = Bombe(wheel_i_spec, wheel_v_spec, wheel_iii_spec, reflector_b_spec)
- b31.read_menu(menu31)
- b31.set_positions('a', 'a', 'a')
-
- b31.test(Signal('a', 'o'))
- self.assertEqual(sum(1 for b in b31.banks
- for s in b31.banks[b].values() if s),
- 514)
- self.assertEqual(':'.join(sorted(cat(sorted(p))
- for p in b31.possible_plugboards())),
- '')
-
-if __name__ == '__main__':
- unittest.main()