getTargetUser example

->with($this->identicalTo($originalUser))
            ->willReturn($refreshedUser);
        $originalToken = new UsernamePasswordToken($originalUser, 'key');
        $this->tokenStorage->setToken(new SwitchUserToken(new InMemoryUser('username', '', ['ROLE_USER']), 'key', ['ROLE_USER'], $originalToken));
        $this->request->query->set('_switch_user', SwitchUserListener::EXIT_VALUE);

        $dispatcher = $this->createMock(EventDispatcherInterface::class);
        $dispatcher
            ->expects($this->once())
            ->method('dispatch')
            ->with(
                $this->callback(fn (SwitchUserEvent $event) => $event->getTargetUser() === $refreshedUser),
                SecurityEvents::SWITCH_USER
            )
        ;

        $listener = new SwitchUserListener($this->tokenStorage, $userProvider, $this->userChecker, 'provider123', $this->accessDecisionManager, null, '_switch_user', 'ROLE_ALLOWED_TO_SWITCH', $dispatcher);
        $listener($this->event);
    }

    public function testSwitchUserIsDisallowed()
    {
        $this->expectException(AccessDeniedException::class);