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/*
* Copyright (c) 2008-2014 MongoDB, 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 com.mongodb;
import java.net.UnknownHostException;
import java.util.List;
/**
* Helper class for the acceptance tests.
*/
public final class Fixture {
public static final String DEFAULT_URI = "mongodb://localhost:27017";
public static final String MONGODB_URI_SYSTEM_PROPERTY_NAME = "org.mongodb.test.uri";
private static MongoClient mongoClient;
private static MongoClientURI mongoClientURI;
private static DB defaultDatabase;
private Fixture() {
}
public static synchronized MongoClient getMongoClient() {
if (mongoClient == null) {
MongoClientURI mongoURI = getMongoClientURI();
try {
mongoClient = new MongoClient(mongoURI);
} catch (UnknownHostException e) {
throw new IllegalArgumentException("Invalid Mongo URI: " + mongoURI.getURI(), e);
}
Runtime.getRuntime().addShutdownHook(new ShutdownHook());
}
return mongoClient;
}
public static synchronized DB getDefaultDatabase() {
if (defaultDatabase == null) {
defaultDatabase = getMongoClient().getDB("DriverTest-" + System.nanoTime());
}
return defaultDatabase;
}
/**
*
* @param version must be a major version, e.g. 1.8, 2,0, 2.2
* @return true if server is at least specified version
*/
public static boolean serverIsAtLeastVersion(double version) {
String serverVersion = (String) getMongoClient().getDB("admin").command("serverStatus").get("version");
return Double.parseDouble(serverVersion.substring(0, 3)) >= version;
}
public static boolean isStandalone() {
return !isReplicaSet() && !isSharded();
}
public static boolean isSharded() {
CommandResult isMasterResult = runIsMaster();
Object msg = isMasterResult.get("msg");
return msg != null && msg.equals("isdbgrid");
}
public static boolean isReplicaSet() {
return runIsMaster().get("setName") != null;
}
public static boolean isServerStartedWithJournalingDisabled() {
return serverStartedWithBooleanOption("--nojournal", "nojournal");
}
private static boolean serverStartedWithBooleanOption(final String commandLineOption, final String configOption) {
CommandResult res = getMongoClient().getDB("admin").command(new BasicDBObject("getCmdLineOpts", 1));
res.throwOnError();
if (res.containsField("parsed") && ((DBObject) res.get("parsed")).containsField(configOption)) {
return (Boolean) ((DBObject) res.get("parsed")).get(configOption);
} else {
return ((List) res.get("argv")).contains(commandLineOption);
}
}
private static CommandResult runIsMaster() {
// Check to see if this is a replica set... if not, get out of here.
return getMongoClient().getDB("admin").command(new BasicDBObject("ismaster", 1));
}
static class ShutdownHook extends Thread {
@Override
public void run() {
synchronized (Fixture.class) {
if (mongoClient != null) {
if (defaultDatabase != null) {
defaultDatabase.dropDatabase();
}
mongoClient.close();
mongoClient = null;
}
}
}
}
public static synchronized MongoClientURI getMongoClientURI() {
if (mongoClientURI == null) {
String mongoURIProperty = System.getProperty(MONGODB_URI_SYSTEM_PROPERTY_NAME);
String mongoURIString = mongoURIProperty == null || mongoURIProperty.length() == 0
? DEFAULT_URI : mongoURIProperty;
mongoClientURI = new MongoClientURI(mongoURIString);
}
return mongoClientURI;
}
public static MongoClientOptions getOptions() {
return getMongoClientURI().getOptions();
}
}