def test_invalidate_too_few_digits(self):
"""invalidate guesses with too few digits"""
guess = "123"
valid = codebreaker.guess_is_valid(guess, self.length)
self.assertEqual(valid, False)
def test_invalidate_non_digits(self):
"""invalidate guesses with non-digit chars"""
guess = "1Q84"
valid = codebreaker.guess_is_valid(guess, self.length)
self.assertEqual(valid, False)
def test_valid_guess(self):
"""validate valid guesses"""
guess = "1234"
valid = codebreaker.guess_is_valid(guess, self.length)
self.assertEqual(valid, True)
