com.google.code.guice.repository.testing.junit.general.UserRepositoryTest.java Source code

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/*
 * Copyright (C) 2012 the original author or authors.
 * See the notice.md file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.code.guice.repository.testing.junit.general;

import com.google.code.guice.repository.testing.junit.RepoTestBase;
import com.google.code.guice.repository.testing.model.User;
import com.google.code.guice.repository.testing.repo.UserRepository;
import com.google.inject.Inject;
import com.google.inject.Provider;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.LoggerFactory;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.transaction.annotation.Transactional;

import java.util.Arrays;
import java.util.UUID;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

@SuppressWarnings("MagicNumber")
public class UserRepositoryTest extends RepoTestBase {

    /*===========================================[ INSTANCE VARIABLES ]===========*/

    @Inject
    private UserRepository userRepository;

    @Inject
    private Provider<UserRepository> userRepositoryProvider;

    /*===========================================[ CLASS METHODS ]================*/

    @Override
    @Before
    public void baseBefore() {
        logger = LoggerFactory.getLogger(getClass());
    }

    @Test
    public void testRepo() throws Exception {
        userRepository.deleteAll();
        userRepository.someCustomMethod(new User("one", "two", 42));

        userRepository.deleteInactiveUsers();
        userRepository.deleteOtherUsers();

        userRepository.deleteAll();
        assertEquals("Invalid repository size", 0, userRepository.count());

        userRepository.save(new User("john", "smith", 42));
        userRepository.save(new User("alex", "johns", 33));
        userRepository.save(new User("sam", "brown", 22));
        assertEquals("Invalid repository size", 3, userRepository.count());

        assertNotNull("User not found", userRepository.findUserByName("john"));

        Page<User> users = userRepository.findAll(new PageRequest(0, 100));
        assertEquals("Invalid requested page size", 3, users.getNumberOfElements());

        ExecutorService executorService = Executors.newSingleThreadExecutor();
        executorService.invokeAll(Arrays.asList(Executors.callable(new Runnable() {
            @Override
            public void run() {
                try {
                    logger.info("Start concurrent thread");
                    UserRepository anotherRepo = userRepository;
                    logger.info("count");
                    assertEquals("Invalid repository size", 3, anotherRepo.count());
                    logger.info("save");
                    anotherRepo.save(new User(UUID.randomUUID().toString(), UUID.randomUUID().toString(), 10));
                    assertEquals("Invalid repository size", 4, anotherRepo.count());
                    logger.info("Stored 4");
                } catch (Exception e) {
                    logger.error("Error", e);
                }
            }
        })));

        logger.info("After");
        assertEquals("Invalid repository size", 4, userRepository.count());
        userRepository.deleteAll();
        assertEquals("Invalid repository size", 0, userRepository.count());

        userRepository.someCustomMethod(new User("john", "smith", 42));
    }

    @Test
    public void testPrepareLazyUser() {
        User user = new User("lazy", "lazy", 1);
        String metadata = "lazy";
        user.setMetadata(Arrays.asList(metadata));
        userRepository.save(user);
        assertEquals("Invalid repository size", 1, userRepository.count());
    }

    @Test
    @Transactional
    public void testLoadLazyUser() {
        User lazy = userRepository.findUserByName("lazy");
        assertEquals("Lazy-loadable metadata is not found", "lazy", lazy.getMetadata().iterator().next());
    }
}