package restx.jongo.specs.tests;
import java.io.IOException;
import java.net.InetAddress;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import restx.mongo.MongoModule;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientURI;
import de.flapdoodle.embed.mongo.MongodExecutable;
import de.flapdoodle.embed.mongo.MongodProcess;
import de.flapdoodle.embed.mongo.MongodStarter;
import de.flapdoodle.embed.mongo.config.MongodConfigBuilder;
import de.flapdoodle.embed.mongo.config.Net;
import de.flapdoodle.embed.mongo.distribution.Version;
import de.flapdoodle.embed.process.runtime.Network;
/**
* Rule which allows per JVM process :
* 1/ download specific version of mongodb
* 2/ get free/dynamic port to mongodb
* Rule which allows per test class :
* 1/ start mongodb
* 2/ execute tests
* 3/ stop mongodb
*/
public class MongoEmbedRule implements TestRule {
// Download / extract mongodb once.
private static MongodStarter runtime = MongodStarter.getDefaultInstance();
// Determine uri mongodb connection once
private static MongoClientURI mongoClientURI;
static {
try {
InetAddress addr = Network.getLocalHost();
int port = Network.getFreeServerPort(addr);
mongoClientURI = new MongoClientURI(new StringBuilder("mongodb://")
.append(addr.getHostName()).append(":").append(port)
.toString());
System.setProperty(MongoModule.MONGO_URI, mongoClientURI.getURI());
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
private Version.Main mongoVersion;
public MongoEmbedRule() {
this(Version.Main.PRODUCTION);
}
public MongoEmbedRule(Version.Main mongoVersion) {
this.mongoVersion = mongoVersion;
}
@Override
public Statement apply(final Statement base, Description description) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
MongodExecutable _mongodExe = runtime
.prepare(new MongodConfigBuilder()
.version(mongoVersion)
.net(new Net(Integer.parseInt(mongoClientURI
.getURI().split(":")[2]), false))
.build());
MongodProcess _mongod = _mongodExe.start();
MongoClient mongoClient = new MongoClient(mongoClientURI);
base.evaluate();
mongoClient.close();
_mongod.stop();
_mongodExe.stop();
}
};
}
}