Andrei Neagoie Python __top__ May 2026
def test_rate_limiting(self, auth_service): auth_service.register_user("test@example.com", "ValidPass123!") ip = "192.168.1.100" # Try wrong password 5 times for _ in range(5): with pytest.raises(InvalidPasswordError): auth_service.login("test@example.com", "wrong", ip) # 6th attempt should trigger rate limit with pytest.raises(RateLimitExceededError): auth_service.login("test@example.com", "wrong", ip)
class UserNotFoundError(AuthenticationError): """Raised when user doesn't exist""" pass andrei neagoie python
# Register user try: user = auth_service.register_user("user@example.com", "MySecurePass123!") print(f"✅ User registered: user.email") except ValidationError as e: print(f"❌ Registration failed: e") def test_rate_limiting(self, auth_service): auth_service
def register_user(self, email: str, password: str) -> User: """ Register a new user Args: email: User's email address password: User's password Returns: Created User object Raises: ValidationError: If email is invalid or user already exists """ # Validate email if not re.match(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]2,$', email): raise ValidationError("Invalid email format") # Check if user already exists if email in self.users: raise ValidationError("User already exists") # Hash password password_hash = self.password_hasher.hash_password(password) # Create user user = User( user_id=str(uuid4()), email=email, password_hash=password_hash, created_at=datetime.utcnow() ) self.users[email] = user return user password: str) ->