Fix friend_code max length issues in tests, and fix in_game_name length issues, also update tests to fit more scenarios

accounts/models.py

@@ -1,6 +1,14 @@
 from django.contrib.auth.models import AbstractUser
 from django.db import models
 from django.core.exceptions import ValidationError
+import re
+
+def validate_friend_code(value):
+    """Validate that friend code follows the format XXXX-XXXX-XXXX-XXXX where X is a digit."""
+    if not re.match(r'^\d{4}-\d{4}-\d{4}-\d{4}$', value):
+        raise ValidationError(
+            'Friend code must be in format XXXX-XXXX-XXXX-XXXX where X is a digit.'
+        )
 
 class CustomUser(AbstractUser):
     default_friend_code = models.ForeignKey("FriendCode", on_delete=models.SET_NULL, null=True, blank=True)
@@ -34,8 +42,8 @@ class CustomUser(AbstractUser):
             self.save(update_fields=["default_friend_code"])
 
 class FriendCode(models.Model):
-    friend_code = models.CharField(max_length=19)
-    in_game_name = models.CharField(max_length=16, null=False, blank=False)
+    friend_code = models.CharField(max_length=19, validators=[validate_friend_code])
+    in_game_name = models.CharField(max_length=14, null=False, blank=False)
     user = models.ForeignKey(CustomUser, on_delete=models.PROTECT, related_name='friend_codes')
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)