UserAuthenticator example

    public function testThrowsLogicExceptionIfCurrentRequestIsNull()
    {
        $container = new Container();
        $firewallMap = new FirewallMap($container, []);
        $requestStack = new RequestStack();
        $user = new InMemoryUser('username', 'password');
        $userProvider = new InMemoryUserProvider();
        $authenticator = new HttpBasicAuthenticator('name', $userProvider);
        $request = new Request();

        $userAuthenticator = new UserAuthenticator($firewallMap, $container, $requestStack);

        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage('Cannot determine the correct Symfony\Bundle\SecurityBundle\Security\UserAuthenticator to use: there is no active Request and so, the firewall cannot be determined. Try using a specific Symfony\Bundle\SecurityBundle\Security\UserAuthenticator service.');

        $userAuthenticator->authenticateUser($user, $authenticator, $request);
    }
}