Init support mongo embed - add junit rule

restx-jongo-specs-tests/pom.xml

@@ -18,6 +18,7 @@
 
     <properties>
         <restx.version>0.32-SNAPSHOT</restx.version>
+        <de.flapdoodle.embed.version>1.42</de.flapdoodle.embed.version>
         <maven.compiler.target>1.7</maven.compiler.target>
         <maven.compiler.source>1.7</maven.compiler.source>
     </properties>
@@ -38,5 +39,10 @@
             <artifactId>restx-jongo</artifactId>
             <version>${restx.version}</version>
         </dependency>
+        <dependency>
+            <groupId>de.flapdoodle.embed</groupId>
+            <artifactId>de.flapdoodle.embed.mongo</artifactId>
+            <version>${de.flapdoodle.embed.version}</version>
+        </dependency>
     </dependencies>
 </project>

restx-jongo-specs-tests/src/main/java/restx/jongo/specs/tests/MongoEmbedRule.java

@@ -0,0 +1,63 @@
+package restx.jongo.specs.tests;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+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 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;
+
+public class MongoEmbedRule implements TestRule {
+
+	@Override
+	public Statement apply(final Statement base, Description description) {
+		return new Statement() {
+
+			@Override
+			public void evaluate() throws Throwable {
+				InetAddress addr = Network.getLocalHost();
+				int port = Network.getFreeServerPort(addr);
+
+				System.setProperty(MongoModule.MONGO_URI, new StringBuilder(
+						"mongodb://").append(addr.getHostName()).append(":")
+						.append(port).toString());
+
+				MongodStarter runtime = MongodStarter.getDefaultInstance();
+				MongodExecutable _mongodExe = runtime
+						.prepare(new MongodConfigBuilder()
+								.version(Version.Main.PRODUCTION)
+								.net(new Net(port, hostIsIPv6(addr))).build());
+				MongodProcess _mongod = _mongodExe.start();
+				new MongoClient(addr.getHostName(), port);
+
+				base.evaluate();
+
+				_mongod.stop();
+				_mongodExe.stop();
+			}
+
+			private boolean hostIsIPv6(InetAddress addr)
+					throws UnknownHostException {
+				byte[] ipAddr = addr.getAddress();
+				if (ipAddr.length > 4) {
+					return true;
+				}
+				return false;
+			}
+
+		};
+	}
+
+}

restx-jongo/src/main/java/restx/mongo/MongoModule.java

@@ -26,6 +26,7 @@
 public class MongoModule {
     public static final String MONGO_CLIENT_NAME = "mongoClient";
     public static final String MONGO_DB_NAME = "mongo.db";
+    public static final String MONGO_URI = "mongo.uri";
 
     @Provides @Named(MONGO_CLIENT_NAME)
     public MongoClient mongoClient(MongoSettings settings) {

restx-jongo/src/main/java/restx/mongo/MongoSettings.java

@@ -12,7 +12,7 @@ public interface MongoSettings {
     @SettingsKey(key = MongoModule.MONGO_DB_NAME, doc = "the name of the mongo database to use")
     String dbName();
 
-    @SettingsKey(key = "mongo.uri", defaultValue = "mongodb://localhost:27017",
+    @SettingsKey(key = MongoModule.MONGO_URI, defaultValue = "mongodb://localhost:27017",
         doc = "the mongo URI to use to connect to mongodb. " +
                 "See http://api.mongodb.org/java/current/com/mongodb/MongoClientURI.html")
     String uri();