Get started with user tests

src/crud/authentication.py

@@ -5,7 +5,8 @@ from fastapi import Depends, HTTPException
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 from sqlalchemy.orm import Session
 
-from src.crud.users import get_user_by_username, pwd_context
+from src.crud.users import (check_empty_fields, get_user_by_username,
+                            pwd_context)
 from src.models import User
 
 DEFAULT_NR_HIGH_SCORES = 10
@@ -48,12 +49,8 @@ def authenticate_user(db: Session, username: str, password: str):
 
 def register(db: Session, username: str, password: str, avatar: str):
     """Register a new user"""
-    if len(avatar) == 0:
-        raise HTTPException(status_code=400, detail="No avatar was provided")
-    if len(username) == 0:
-        raise HTTPException(status_code=400, detail="No username was provided")
-    if len(password) == 0:
-        raise HTTPException(status_code=400, detail="No password was provided")
+    check_empty_fields(username, password, avatar)
+
     db_user = get_user_by_username(db, username)
     if db_user:
         raise HTTPException(status_code=400, detail="Username already registered")