Move FS operation outside the initializer of GameManager

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/swiftstory/game_manager.py b/swiftstory/game_manager.py
index 7551ac4..da2e5c7 100644
--- a/swiftstory/game_manager.py
+++ b/swiftstory/game_manager.py
@@ -21,13 +21,17 @@ class GameManager:
     def __init__(self) -> None:
         self.lang_containers: Dict[str, LangContainer] = {}
 
-        for language in next(os.walk('usr/share/swiftstory/lang'))[1]:
+        for language in self.list_languages():
             self.lang_containers[language] = LangContainer(
                 black_cards=Cards.get_black_cards(language),
                 white_cards=Cards.get_white_cards(language),
                 games={}
             )
 
+    def list_languages(self) -> List[str]:
+        """ List available languages based on FS. """
+        return next(os.walk("usr/share/swiftstory/lang"))[1]
+
     def join_game(self, game_name: str, lang: str) -> Game:
         container = self.lang_containers.get(lang)
         if container is None: