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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 org.apache.spark.ui
import scala.util.{Failure, Success, Try}
import java.net.ServerSocket
import org.scalatest.FunSuite
import org.eclipse.jetty.server.Server
class UISuite extends FunSuite {
test("jetty port increases under contention") {
val startPort = 4040
val (jettyServer1, boundPort1) = JettyUtils.startJettyServer("localhost", startPort, Seq())
val (jettyServer2, boundPort2) = JettyUtils.startJettyServer("localhost", startPort, Seq())
// Allow some wiggle room in case ports on the machine are under contention
assert(boundPort1 > startPort && boundPort1 < startPort + 10)
assert(boundPort2 > boundPort1 && boundPort2 < boundPort1 + 10)
}
test("jetty binds to port 0 correctly") {
val (jettyServer, boundPort) = JettyUtils.startJettyServer("localhost", 0, Seq())
assert(jettyServer.getState === "STARTED")
assert(boundPort != 0)
Try {new ServerSocket(boundPort)} match {
case Success(s) => fail("Port %s doesn't seem used by jetty server".format(boundPort))
case Failure (e) =>
}
}
}
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