def test_make_erroneous_second_choice(self):
monty_hall = MontyHall()
switch_options = set(monty_hall.choose_door(1))
all_doors = set(range(1, 4))
door_shown = all_doors.difference(switch_options)
expected_exception = MontyHall.Error403ForbiddenDoor
self.assertRaises(expected_exception, monty_hall.make_second_choice, door_shown)
def test_choose_door(self):
monty_hall = MontyHall()
choice = 1
switch_options = monty_hall.choose_door(choice)
self.assertIsInstance(switch_options, list)
number_of_options = len(switch_options)
self.assertEqual(number_of_options, 2)
self.assertTrue(all(option in range(1, 4) for option in switch_options))
self.assertTrue(choice in switch_options)
class MontyHallTest(unittest.TestCase):
def setUp(self):
self.monty_hall = MontyHall()
self.door_options = [self.monty_hall.winner_prize,
self.monty_hall.loser_prize]
def test_monty_hall_create_doors(self):
doors = self.monty_hall.create_doors()
assert_message = "The doors should contain only %s or %s"\
% (self.monty_hall.winner_prize,
self.monty_hall.loser_prize)
for door in doors:
self.assertIn(door, self.door_options, assert_message)
assert_message = "The doors should contain a winner prize door"
self.assertIn(self.monty_hall.winner_prize, doors, assert_message)
assert_message = "The doors should contain only one winner prize door"
doors.remove(self.monty_hall.winner_prize)
self.assertNotIn(self.monty_hall.winner_prize, doors, assert_message)
def test_monty_hall_get_random_door(self):
assert_message = "The random door method should return a number " \
"between 0 and %s" % self.monty_hall.number_of_doors
for n in range(0, 100):
self.assertIn(self.monty_hall.get_random_door(),
range(0, self.monty_hall.number_of_doors),
assert_message)
def test_monty_hall_choose_door(self):
assert_true_message = "The winner prize door should return True"
assert_false_message = "The loser prize door should return False"
doors = [self.monty_hall.loser_prize,
self.monty_hall.winner_prize,
self.monty_hall.loser_prize]
self.assertFalse(self.monty_hall.choose_door(doors, 0),
assert_false_message)
self.assertTrue(self.monty_hall.choose_door(doors, 1),
assert_true_message)
self.assertFalse(self.monty_hall.choose_door(doors, 2),
assert_false_message)
doors = [self.monty_hall.winner_prize,
self.monty_hall.loser_prize,
self.monty_hall.loser_prize]
self.assertTrue(self.monty_hall.choose_door(doors, 0),
assert_true_message)
self.assertFalse(self.monty_hall.choose_door(doors, 1),
assert_false_message)
self.assertFalse(self.monty_hall.choose_door(doors, 2),
assert_false_message)
def setUp(self):
self.monty_hall = MontyHall()
self.door_options = [self.monty_hall.winner_prize,
self.monty_hall.loser_prize]
def test_make_second_choice(self):
monty_hall = MontyHall()
switch_options = monty_hall.choose_door(1)
win_or_lose = monty_hall.make_second_choice(1)
self.assertIsInstance(win_or_lose, bool)