func TestValidGuess(t *testing.T) {
expect := goexpect.New(t)
game := models.Game{}.New()
// Invalid guess
expect(game.ValidGuess("1")).ToBe(false)
expect(game.ValidGuess("as")).ToBe(false)
expect(game.ValidGuess("[")).ToBe(false)
expect(game.ValidGuess("A")).ToBe(false)
// Valid guess
expect(game.ValidGuess("a")).ToBe(true)
expect(game.ValidGuess("z")).ToBe(true)
}
