import org.junit.Assert;
import org.junit.Test;

import javax.transaction.Transactional;
import java.util.List;

/**
 * All these tests assume that a parallel EMPTY db for testing purposes exists.
 *
 * NOTE: This is not unit testing, but integration testing. Unit tests are supposed to be
 * light and fast and TEST your code, logic. They are not supposed to test 3rd party libraries.
 * For example we assume and trust that Hibernate framework will do it's work, therefore we don't test if it works.
 *
 * It's the same as if we mock an object to return "true" and we assert if it returns "true".
 */

@Transactional
public class UserServiceTest
{
    private UserService userService = new UserService();

    @Test
    void addingUserShouldWorkCorrectly()
    {
        userService.addUser("Pesho", "username", "neheshiranaparola", RoleType.NONE);

        Assert.assertNotNull(userService.getUserByUsername("username", false));
    }

    @Test
    void gettingAllUsersTest()
    {
        userService.addUser("test", "test", "test", RoleType.NONE);

        List<User> users = userService.getUsers();

        Assert.assertFalse(users.isEmpty());
    }

    @Test
    void gettingByUsernameShouldReturnCorrectData()
    {
        User actualUser = userService.getUserByUsername("test", false);

        Assert.assertEquals("test", actualUser.getUsername());
    }

    @Test
    void updateShouldReturnCorrectUserValues()
    {
        userService.updateUser(1, "Ivan", "username", "neheshiranaparola", RoleType.NONE)
        User actualUser = userService.getUserByID(6);

        Assert.assertEquals("Ivan", actualUser.getName());
        Assert.assertEquals("username", actualUser.getUsername());
    }

    @Test
    void deletingUserShouldWorkCorrectly()
    {
        userService.deleteUser(1);

        Assert.assertNull(userService.getUserByID(1));
    }

}