test: add a test file for loading and debugging message translations in English and French locales

path/to/test_load_messages.py

@@ -0,0 +1,29 @@
+import gettext
+import os
+
+def load_translation(lang_code):
+    locale_path = os.path.join(os.path.dirname(__file__), 'locales')
+    try:
+        translation = gettext.translation('messages', localedir=locale_path, languages=[lang_code])
+        translation.install()
+        return translation.gettext  # Return the translation function '_'
+    except FileNotFoundError:
+        print(f"Translation file for language '{lang_code}' not found.")
+        return lambda s: s  # Fallback to no translation
+    except UnicodeDecodeError as e:
+        print(f"UnicodeDecodeError: {e}")
+        return lambda s: s  # Fallback to no translation
+
+def test_load_messages():
+    print("Testing English Translations:")
+    _ = load_translation('en')
+    print(_("podcast.intro"))
+    print(_("podcast.text_instructions"))
+    
+    print("\nTesting French Translations:")
+    _ = load_translation('fr')
+    print(_("podcast.intro"))
+    print(_("podcast.text_instructions"))
+
+if __name__ == "__main__":
+    test_load_messages()