EndpointSpecificConfigurationMongoDaoTest.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.common.nosql.mongo.dao;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kaaproject.kaa.common.dto.EndpointSpecificConfigurationDto;
import org.kaaproject.kaa.server.common.dao.exception.KaaOptimisticLockingFailureException;
import org.kaaproject.kaa.server.common.dao.model.EndpointSpecificConfiguration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "/mongo-dao-test-context.xml")
@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
public class EndpointSpecificConfigurationMongoDaoTest extends AbstractMongoTest {
  private static final byte[] KEY = "key".getBytes();
  private static final byte[] KEY_2 = "key2".getBytes();
  private static final String BODY = "body";
  private EndpointSpecificConfigurationDto saved1;
  private EndpointSpecificConfigurationDto saved2;
  private EndpointSpecificConfigurationDto saved3;
  private ExecutorService executorService = Executors.newFixedThreadPool(10);

  @BeforeClass
  public static void init() throws Exception {
    MongoDBTestRunner.setUp();
  }

  @AfterClass
  public static void after() throws Exception {
    MongoDBTestRunner.tearDown();
  }

  @Test
  public void testRemoveByEndpointKeyHashAndConfigurationVersion() throws Exception {
    Assert.assertTrue(endpointSpecificConfigurationDao.find().size() == 3);
    endpointSpecificConfigurationDao.removeByEndpointKeyHashAndConfigurationVersion(KEY, 0);
    Assert.assertTrue(endpointSpecificConfigurationDao.find().size() == 2);
    Assert.assertTrue(endpointSpecificConfigurationDao.findByEndpointKeyHashAndConfigurationVersion(KEY, 0) == null);
  }

  @Test
  public void testFindByEndpointKeyHashAndConfigurationVersion() throws Exception {
    Assert.assertTrue(endpointSpecificConfigurationDao.find().size() == 3);
    EndpointSpecificConfigurationDto found1 = endpointSpecificConfigurationDao.findByEndpointKeyHashAndConfigurationVersion(KEY, 0).toDto();
    EndpointSpecificConfigurationDto found2 = endpointSpecificConfigurationDao.findByEndpointKeyHashAndConfigurationVersion(KEY, 1).toDto();
    EndpointSpecificConfigurationDto found3 = endpointSpecificConfigurationDao.findByEndpointKeyHashAndConfigurationVersion(KEY_2, 0).toDto();
    EndpointSpecificConfiguration found4 = endpointSpecificConfigurationDao.findByEndpointKeyHashAndConfigurationVersion(KEY_2, 4);
    Assert.assertEquals(saved1, found1);
    Assert.assertEquals(saved2, found2);
    Assert.assertEquals(saved3, found3);
    Assert.assertNull(found4);
  }

  @Test(expected = KaaOptimisticLockingFailureException.class)
  public void testLocking() throws Throwable {
    List<Future<?>> tasks = new ArrayList<>();
    for (int i = 0; i < 100; i++) {
      tasks.add(executorService.submit((Runnable) () -> {
        endpointSpecificConfigurationDao.save(saved1);
      }));
    }
    for (Future future : tasks) {
      try {
        future.get();
      } catch (ExecutionException ex) {
        throw ex.getCause();
      }
    }
  }

  @Before
  public void setUp() throws Exception {
    saved1 = generateEndpointSpecificConfigurationDto(KEY, 0, BODY, null);
    saved2 = generateEndpointSpecificConfigurationDto(KEY, 1, BODY, null);
    saved3 = generateEndpointSpecificConfigurationDto(KEY_2, 0, BODY, null);
  }

  @After
  public void tearDown() throws Exception {
    endpointSpecificConfigurationDao.removeAll();
  }
}