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path: root/core/src/test/scala/org/apache/spark/deploy/worker/CommandUtilsSuite.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 org.apache.spark.deploy.worker

import org.scalatest.{Matchers, PrivateMethodTester}

import org.apache.spark.{SecurityManager, SparkConf, SparkFunSuite}
import org.apache.spark.deploy.Command
import org.apache.spark.util.Utils

class CommandUtilsSuite extends SparkFunSuite with Matchers with PrivateMethodTester {

  test("set libraryPath correctly") {
    val appId = "12345-worker321-9876"
    val sparkHome = sys.props.getOrElse("spark.test.home", fail("spark.test.home is not set!"))
    val cmd = new Command("mainClass", Seq(), Map(), Seq(), Seq("libraryPathToB"), Seq())
    val builder = CommandUtils.buildProcessBuilder(
      cmd, new SecurityManager(new SparkConf), 512, sparkHome, t => t)
    val libraryPath = Utils.libraryPathEnvName
    val env = builder.environment
    env.keySet should contain(libraryPath)
    assert(env.get(libraryPath).startsWith("libraryPathToB"))
  }

  test("auth secret shouldn't appear in java opts") {
    val buildLocalCommand = PrivateMethod[Command]('buildLocalCommand)
    val conf = new SparkConf
    val secret = "This is the secret sauce"
    // set auth secret
    conf.set(SecurityManager.SPARK_AUTH_SECRET_CONF, secret)
    val command = new Command("mainClass", Seq(), Map(), Seq(), Seq("lib"),
      Seq("-D" + SecurityManager.SPARK_AUTH_SECRET_CONF + "=" + secret))

    // auth is not set
    var cmd = CommandUtils invokePrivate buildLocalCommand(
      command, new SecurityManager(conf), (t: String) => t, Seq(), Map())
    assert(!cmd.javaOpts.exists(_.startsWith("-D" + SecurityManager.SPARK_AUTH_SECRET_CONF)))
    assert(!cmd.environment.contains(SecurityManager.ENV_AUTH_SECRET))

    // auth is set to false
    conf.set(SecurityManager.SPARK_AUTH_CONF, "false")
    cmd = CommandUtils invokePrivate buildLocalCommand(
      command, new SecurityManager(conf), (t: String) => t, Seq(), Map())
    assert(!cmd.javaOpts.exists(_.startsWith("-D" + SecurityManager.SPARK_AUTH_SECRET_CONF)))
    assert(!cmd.environment.contains(SecurityManager.ENV_AUTH_SECRET))

    // auth is set to true
    conf.set(SecurityManager.SPARK_AUTH_CONF, "true")
    cmd = CommandUtils invokePrivate buildLocalCommand(
      command, new SecurityManager(conf), (t: String) => t, Seq(), Map())
    assert(!cmd.javaOpts.exists(_.startsWith("-D" + SecurityManager.SPARK_AUTH_SECRET_CONF)))
    assert(cmd.environment(SecurityManager.ENV_AUTH_SECRET) === secret)
  }
}