/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.ambari.server.orm.dao;
import java.sql.SQLException;
import java.util.Set;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.H2DatabaseCleaner;
import org.apache.ambari.server.orm.GuiceJpaInitializer;
import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
import org.apache.ambari.server.orm.cache.HostConfigMapping;
import org.apache.ambari.server.orm.cache.HostConfigMappingImpl;
import org.apache.ambari.server.orm.entities.HostEntity;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.google.inject.Guice;
import com.google.inject.Inject;
import com.google.inject.Injector;
import junit.framework.Assert;
/**
* Tests host config mapping DAO and Entities
*/
public class HostConfigMappingDAOTest {
private Injector injector;
@Inject
private HostConfigMappingDAO hostConfigMappingDAO;
@Inject
private HostDAO hostDAO;
@Before
public void setup() throws AmbariException{
injector = Guice.createInjector(new InMemoryDefaultTestModule());
injector.getInstance(GuiceJpaInitializer.class);
hostConfigMappingDAO = injector.getInstance(HostConfigMappingDAO.class);
hostDAO = injector.getInstance(HostDAO.class);
}
@After
public void teardown() throws AmbariException, SQLException {
H2DatabaseCleaner.clearDatabaseAndStopPersistenceService(injector);
}
private HostConfigMapping createEntity(long clusterId, String hostName, String type, String version) throws Exception {
HostConfigMapping hostConfigMappingEntity = new HostConfigMappingImpl();
hostConfigMappingEntity.setClusterId(Long.valueOf(clusterId));
hostConfigMappingEntity.setCreateTimestamp(Long.valueOf(System.currentTimeMillis()));
HostEntity hostEntity = hostDAO.findByName(hostName);
if (hostEntity == null) {
hostEntity = new HostEntity();
hostEntity.setHostName(hostName);
hostDAO.create(hostEntity);
}
hostConfigMappingEntity.setHostId(hostEntity.getHostId());
hostConfigMappingEntity.setSelected(1);
hostConfigMappingEntity.setType(type);
hostConfigMappingEntity.setVersion(version);
hostConfigMappingEntity.setUser("_test");
hostConfigMappingDAO.create(hostConfigMappingEntity);
return hostConfigMappingEntity;
}
@Test
public void testCreate() throws Exception {
createEntity(1L, "h1", "global", "v1");
}
@Test
public void testFindByType() throws Exception {
HostConfigMapping source = createEntity(1L, "h1", "global", "v1");
HostEntity hostEntity = hostDAO.findByName("h1");
Set<HostConfigMapping> target = hostConfigMappingDAO.findByType(1L, hostEntity.getHostId(), "global");
Assert.assertEquals("Expected one result", 1, target.size());
for (HostConfigMapping item : target)
Assert.assertEquals("Expected version 'v1'", source.getVersion(), item.getVersion());
}
@Test
public void testMerge() throws Exception {
HostConfigMapping source = createEntity(1L, "h1", "global", "v1");
HostEntity hostEntity = hostDAO.findByName("h1");
Set<HostConfigMapping> target = hostConfigMappingDAO.findByType(1L, hostEntity.getHostId(), "global");
Assert.assertEquals("Expected one result", 1, target.size());
HostConfigMapping toChange = null;
for (HostConfigMapping item: target) {
Assert.assertEquals("Expected version 'v1'", source.getVersion(), item.getVersion());
Assert.assertEquals("Expected selected flag 1", 1, (int)item.getSelected());
toChange = item;
toChange.setSelected(0);
}
hostConfigMappingDAO.merge(toChange);
target = hostConfigMappingDAO.findByType(1L, hostEntity.getHostId(), "global");
Assert.assertEquals("Expected one result", 1, target.size());
for (HostConfigMapping item: target) {
Assert.assertEquals("Expected version 'v1'", source.getVersion(), item.getVersion());
Assert.assertEquals("Expected selected flag 0", 0, (int)item.getSelected());
}
}
@Test
public void testFindSelected() throws Exception {
createEntity(1L, "h1", "global", "version1");
HostConfigMapping coreSiteConfigV1 = createEntity(1L, "h1", "core-site", "version1");
HostEntity hostEntity = hostDAO.findByName("h1");
Set<HostConfigMapping> targets = hostConfigMappingDAO.findSelected(1L, hostEntity.getHostId());
Assert.assertEquals("Expected two entities", 2, targets.size());
coreSiteConfigV1.setSelected(0);
hostConfigMappingDAO.merge(coreSiteConfigV1);
createEntity(1L, "h1", "core-site", "version2");
targets = hostConfigMappingDAO.findSelected(1L, hostEntity.getHostId());
Assert.assertEquals("Expected two entities", 2, targets.size());
}
@Test
public void testFindSelectedByType() throws Exception {
HostConfigMapping entity1 = createEntity(1L, "h1", "global", "version1");
HostEntity hostEntity = hostDAO.findByName("h1");
HostConfigMapping target = hostConfigMappingDAO.findSelectedByType(1L, hostEntity.getHostId(), "core-site");
Assert.assertNull("Expected null entity for type 'core-site'", target);
target = hostConfigMappingDAO.findSelectedByType(1L, hostEntity.getHostId(), "global");
Assert.assertNotNull("Expected non-null entity for type 'global'", target);
Assert.assertEquals("Expected version to be '" + entity1.getVersion() + "'", entity1.getVersion(), target.getVersion());
target.setSelected(0);
hostConfigMappingDAO.merge(target);
HostConfigMapping entity2 = createEntity(1L, "h1", "global", "version2");
target = hostConfigMappingDAO.findSelectedByType(1L, hostEntity.getHostId(), "global");
Assert.assertNotNull("Expected non-null entity for type 'global'", target);
Assert.assertEquals("Expected version to be '" + entity2.getVersion() + "'", entity2.getVersion(), target.getVersion());
Assert.assertEquals("Expected instance equality", entity2, target);
}
@Test
public void testEmptyTable() throws Exception {
createEntity(1L, "h1", "global", "version1");
HostEntity hostEntity = hostDAO.findByName("h1");
hostConfigMappingDAO.removeByClusterAndHostName(1L, "h1");
HostConfigMapping target = hostConfigMappingDAO.findSelectedByType(1L, hostEntity.getHostId(), "core-site");
Assert.assertEquals(null, target);
}
}