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package org.kimego.demos.db.persistence;

import javax.persistence.NoResultException;

import junit.framework.Assert;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kimego.demos.db.domain.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:test-context.xml")
public class UserDaoImplIntegrationTests {

        private static final Long USER_ID = 1L;

        private static final long NON_EXISTENT_USER_ID = 0;

        @Autowired
        private ApplicationContext context;

        private IUserDao repo;

        @Before
        public void TestsInitialization() {
                repo = context.getBean(IUserDao.class);
        }


        @Test
        public void UserDaoImplFindByIdReturnsUserEntityWithThatIdIfItWasFound() {
                User user = repo.findUserById(USER_ID);

                Assert.assertNotNull(user);
        }

        @Test(expected=NoResultException.class)
        public void UserDaoImplFindByIdThrowsNoResultExceptionIfAnEntityWithThatIdWasNotFound() {
                User user = repo.findUserById(NON_EXISTENT_USER_ID);

                Assert.assertNull(user);
        }

        @Test
        public void UserDaoImplSaveStoresNewEntityInDatabase() {

                User user = new User();

                repo.save(user);

                Assert.assertNotNull(repo.findUserById(user.getId()));
        }
}