Add function with tests to get list of games

Signed-off-by: Sebastian Crane <seabass-labrax@gmx.com>

src/game.clj

@@ -12,5 +12,8 @@
 (defn remove-player-of-game [state game player]
   (update-in state [:games game] #(disj % player)))
 
+(defn get-games [state]
+  (keys (:games state)))
+
 (defn remove-game [state game]
   (update-in state [:games] dissoc game))

test/game_test.clj

@@ -24,6 +24,11 @@
        '#{"player-one" "player-three"}
        (get-in (remove-player-of-game test-state :imaginary-rpg "player-four") [:games :imaginary-rpg]))))
 
+(deftest get-games-test
+  (is (=
+       '#{:hypothetical-shooter :quasi-rts :imaginary-rpg}
+       (set (get-games test-state)))))
+
 (deftest remove-game-test
   (is (=
        '#{:hypothetical-shooter :imaginary-rpg}