Java tutorial
/* * 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 fr.jetoile.hadoopunit.component; import com.mongodb.*; import fr.jetoile.hadoopunit.HadoopUnitConfig; import fr.jetoile.hadoopunit.HadoopBootstrap; import fr.jetoile.hadoopunit.exception.BootstrapException; import org.apache.commons.configuration.Configuration; import org.apache.commons.configuration.ConfigurationException; import org.apache.commons.configuration.PropertiesConfiguration; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.net.UnknownHostException; import java.util.Date; import static org.junit.Assert.assertEquals; public class MongoDbBootstrapTest { private static final Logger LOG = LoggerFactory.getLogger(MongoDbBootstrapTest.class); static private Configuration configuration; @BeforeClass public static void setUp() throws Exception { HadoopBootstrap.INSTANCE.startAll(); try { configuration = new PropertiesConfiguration(HadoopUnitConfig.DEFAULT_PROPS_FILE); } catch (ConfigurationException e) { throw new BootstrapException("bad config", e); } } @AfterClass public static void tearDown() throws Exception { HadoopBootstrap.INSTANCE.stopAll(); } @Test public void mongodbShouldStart() throws UnknownHostException { MongoClient mongo = new MongoClient(configuration.getString(HadoopUnitConfig.MONGO_IP_KEY), configuration.getInt(HadoopUnitConfig.MONGO_PORT_KEY)); DB db = mongo.getDB(configuration.getString(HadoopUnitConfig.MONGO_DATABASE_NAME_KEY)); DBCollection col = db.createCollection(configuration.getString(HadoopUnitConfig.MONGO_COLLECTION_NAME_KEY), new BasicDBObject()); col.save(new BasicDBObject("testDoc", new Date())); LOG.info("MONGODB: Number of items in collection: {}", col.count()); assertEquals(1, col.count()); DBCursor cursor = col.find(); while (cursor.hasNext()) { LOG.info("MONGODB: Document output: {}", cursor.next()); } cursor.close(); } }