-module(rps5_tests).
-include_lib("eunit/include/eunit.hrl").
get_hands_test() ->
    ?assertEqual(5, length(rps5:get_hands())).
winning_hand_test() ->
    ?assertEqual(paper,     rps5:winning_hand([rock, paper])),
    ?assertEqual(scissors,  rps5:winning_hand([paper, scissors])),
    ?assertEqual(rock,      rps5:winning_hand([scissors, rock])),
    ?assertEqual(rock,      rps5:winning_hand([rock, rock, rock])),
    ?assertEqual(undefined, rps5:winning_hand([rock, paper, scissors])),
    ?assertEqual(paper,     rps5:winning_hand([rock, paper, paper])),
    ?assertEqual(paper,     rps5:winning_hand([rock, rock, paper])).
why_test() ->
    ?assertEqual("smashes", rps5:why(spock, scissors)),
    ?assertEqual("lizard poisons spock, eats paper", rps5:why(lizard, [spock, paper])).