http://git-wip-us.apache.org/repos/asf/incubator-gearpump/blob/099842ad/services/jvm/src/test/scala/io/gearpump/services/security/oauth2/MockOAuth2Server.scala
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a/services/jvm/src/test/scala/io/gearpump/services/security/oauth2/MockOAuth2Server.scala
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+/*
+ * 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 io.gearpump.services.security.oauth2
+
+import akka.actor.{ActorRef, ActorSystem}
+import akka.http.scaladsl.Http.ServerBinding
+import akka.http.scaladsl.model.{HttpResponse, HttpRequest}
+import akka.http.scaladsl.server.Route
+import akka.stream.ActorMaterializer
+import akka.http.scaladsl.Http
+import akka.http.scaladsl.server.Directives._
+import akka.stream.scaladsl.{Sink, Source}
+import io.gearpump.util.Util
+import akka.pattern.ask
+
+import scala.concurrent.{Await, Future}
+
+/**
+ * Serves as a fake OAuth2 server.
+ */
+class MockOAuth2Server(
+ actorSystem: ActorSystem,
+ var requestHandler: HttpRequest => HttpResponse) {
+
+ implicit val system: ActorSystem = actorSystem
+ implicit val materializer = ActorMaterializer()
+ implicit val ec = system.dispatcher
+
+ private var _port: Int = 0
+ private var bindingFuture: Future[ServerBinding] = null
+
+ def port: Int = _port
+
+ def start(): Unit = {
+ _port = Util.findFreePort.get
+
+ val serverSource = Http().bind(interface = "127.0.0.1", port = _port)
+ bindingFuture = {
+ serverSource.to(Sink.foreach { connection =>
+ println("Accepted new connection from " + connection.remoteAddress)
+ connection handleWithSyncHandler requestHandler
+ }).run()
+ }
+ }
+
+ def stop(): Unit = {
+ import scala.concurrent.duration._
+ Await.result(bindingFuture.map(_.unbind()), 120 seconds)
+ }
+}
\ No newline at end of file
