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Improving the user experience
90 lines
1.8 KiB
Python
90 lines
1.8 KiB
Python
import pytest
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from hangman.constants import MAX_LIVES, STAGES, WORD_LIST
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from hangman.game import Game, choose_word, is_in_word
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def test_choose_word_from_list():
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assert choose_word(["Cat"]) == "cat"
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assert choose_word() in WORD_LIST
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def test_letter_in_word():
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assert is_in_word("camel", "a")
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assert is_in_word("camel", "A")
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def test_letter_not_in_word():
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assert not is_in_word("camel", "z")
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def test_display_starts_blank():
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assert Game("cat").display() == "_ _ _"
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def test_correct_guess_reveals_letters():
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g = Game("banana")
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assert g.guess("a") is True
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assert g.display() == "_ a _ a _ a"
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def test_wrong_guess_keeps_blanks():
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g = Game("cat")
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assert g.guess("z") is False
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assert g.display() == "_ _ _"
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def test_not_won_until_all_letters_guessed():
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g = Game("hi")
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assert not g.won
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g.guess("h")
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assert not g.won
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g.guess("i")
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assert g.won
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def test_wrong_guesses_do_not_win():
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g = Game("hi")
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g.guess("x")
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assert not g.won
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def test_wrong_guess_loses_life():
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g = Game("cat")
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assert g.lives == MAX_LIVES
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g.guess("z")
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assert g.lives == MAX_LIVES - 1
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def test_correct_guess_keeps_lives():
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g = Game("cat")
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g.guess("c")
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assert g.lives == MAX_LIVES
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def test_lost_when_out_of_lives():
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g = Game("hi", lives=2)
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g.guess("x")
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assert not g.lost
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g.guess("y")
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assert g.lost and g.over and not g.won
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def test_stages_cover_all_lives():
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assert len(STAGES) == MAX_LIVES + 1
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def test_repeated_guess_is_free():
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g = Game("cat")
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g.guess("z")
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assert g.guess("Z") is None
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assert g.lives == MAX_LIVES - 1
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def test_invalid_guess():
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g = Game("cat")
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for bad in ("", "ab", "1", " "):
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with pytest.raises(ValueError):
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g.guess(bad)
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assert g.lives == MAX_LIVES
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