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python/exercises/practice/hangman/hangman_test.py

98 lines
3.5 KiB
Python

import unittest
import hangman
from hangman import Hangman
# Tests adapted from csharp//hangman/HangmanTest.cs
class HangmanTests(unittest.TestCase):
def test_initially_9_failures_are_allowed(self):
game = Hangman('foo')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 9)
def test_initially_no_letters_are_guessed(self):
game = Hangman('foo')
self.assertEqual(game.get_masked_word(), '___')
def test_after_10_failures_the_game_is_over(self):
game = Hangman('foo')
for i in range(10):
game.guess('x')
self.assertEqual(game.get_status(), hangman.STATUS_LOSE)
with self.assertRaises(ValueError) as err:
game.guess('x')
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0], "The game has already ended.")
def test_feeding_a_correct_letter_removes_underscores(self):
game = Hangman('foobar')
game.guess('b')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 9)
self.assertEqual(game.get_masked_word(), '___b__')
game.guess('o')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 9)
self.assertEqual(game.get_masked_word(), '_oob__')
def test_feeding_a_correct_letter_twice_counts_as_a_failure(self):
game = Hangman('foobar')
game.guess('b')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 9)
self.assertEqual(game.get_masked_word(), '___b__')
game.guess('b')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 8)
self.assertEqual(game.get_masked_word(), '___b__')
def test_getting_all_the_letters_right_makes_for_a_win(self):
game = Hangman('hello')
game.guess('b')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 8)
self.assertEqual(game.get_masked_word(), '_____')
game.guess('e')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 8)
self.assertEqual(game.get_masked_word(), '_e___')
game.guess('l')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 8)
self.assertEqual(game.get_masked_word(), '_ell_')
game.guess('o')
self.assertEqual(game.get_status(), hangman.STATUS_ONGOING)
self.assertEqual(game.remaining_guesses, 8)
self.assertEqual(game.get_masked_word(), '_ello')
game.guess('h')
self.assertEqual(game.get_status(), hangman.STATUS_WIN)
self.assertEqual(game.get_masked_word(), 'hello')
with self.assertRaises(ValueError) as err:
game.guess('x')
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0], "The game has already ended.")
def test_winning_on_last_guess_still_counts_as_a_win(self):
game = Hangman('aaa')
for ch in 'bcdefghij':
game.guess(ch)
game.guess('a')
self.assertEqual(game.remaining_guesses, 0)
self.assertEqual(game.get_status(), hangman.STATUS_WIN)
self.assertEqual(game.get_masked_word(), 'aaa')