Test fixes

package it.inaf.ia2.gms.authn;

import java.util.ArrayList;

import java.util.HashMap;

import it.inaf.ia2.aa.data.User;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpSession;

import static org.junit.Assert.assertTrue;

import org.junit.Test;

import org.junit.runner.RunWith;

import static org.mockito.ArgumentMatchers.eq;

import org.mockito.InjectMocks;

import org.mockito.Mock;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.when;

import org.mockito.junit.MockitoJUnitRunner;

import org.springframework.security.oauth2.common.OAuth2AccessToken;

import org.springframework.security.oauth2.provider.OAuth2Authentication;

@RunWith(MockitoJUnitRunner.class)

public class SessionDataTest {

    @Test

    public void testExpired() {

        OAuth2AccessToken accessToken = mock(OAuth2AccessToken.class);

        when(accessToken.getExpiresIn()).thenReturn(3600);

        HttpSession session = mock(HttpSession.class);

        when(request.getSession(eq(false))).thenReturn(session);

        CustomAuthenticationData data = new CustomAuthenticationData("user",

                new HashMap<>(), new ArrayList<>(), accessToken, "refresh_token");

        User user = new User()

                .setUserId("123")

                .setUserLabel("Name Surname")

                .setAccessToken("<access_token>")

                .setRefreshToken("<refresh_token>")

                .setExpiresIn(3600);

        OAuth2Authentication auth = mock(OAuth2Authentication.class);

        when(auth.getUserAuthentication()).thenReturn(data);

        when(request.getUserPrincipal()).thenReturn(auth);

        when(session.getAttribute(eq("user_data"))).thenReturn(user);

        sessionData.init();

        // verifies that token is refreshed

        verify(sessionData, times(1)).setAccessToken(eq("<access_token>"));

        verify(sessionData, times(1)).setExpiresIn(eq(3600));

        verify(sessionData, times(1)).setExpiresIn(eq(3600l));

    }

}