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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.launcher;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.bridge.SLF4JBridgeHandler;
import static org.junit.Assert.*;
/**
* These tests require the Spark assembly to be built before they can be run.
*/
public class SparkLauncherSuite {
static {
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
}
private static final Logger LOG = LoggerFactory.getLogger(SparkLauncherSuite.class);
private static final NamedThreadFactory TF = new NamedThreadFactory("SparkLauncherSuite-%d");
@Test
public void testSparkArgumentHandling() throws Exception {
SparkLauncher launcher = new SparkLauncher()
.setSparkHome(System.getProperty("spark.test.home"));
SparkSubmitOptionParser opts = new SparkSubmitOptionParser();
launcher.addSparkArg(opts.HELP);
try {
launcher.addSparkArg(opts.PROXY_USER);
fail("Expected IllegalArgumentException.");
} catch (IllegalArgumentException e) {
// Expected.
}
launcher.addSparkArg(opts.PROXY_USER, "someUser");
try {
launcher.addSparkArg(opts.HELP, "someValue");
fail("Expected IllegalArgumentException.");
} catch (IllegalArgumentException e) {
// Expected.
}
launcher.addSparkArg("--future-argument");
launcher.addSparkArg("--future-argument", "someValue");
launcher.addSparkArg(opts.MASTER, "myMaster");
assertEquals("myMaster", launcher.builder.master);
launcher.addJar("foo");
launcher.addSparkArg(opts.JARS, "bar");
assertEquals(Arrays.asList("bar"), launcher.builder.jars);
launcher.addFile("foo");
launcher.addSparkArg(opts.FILES, "bar");
assertEquals(Arrays.asList("bar"), launcher.builder.files);
launcher.addPyFile("foo");
launcher.addSparkArg(opts.PY_FILES, "bar");
assertEquals(Arrays.asList("bar"), launcher.builder.pyFiles);
launcher.setConf("spark.foo", "foo");
launcher.addSparkArg(opts.CONF, "spark.foo=bar");
assertEquals("bar", launcher.builder.conf.get("spark.foo"));
}
@Test
public void testChildProcLauncher() throws Exception {
SparkSubmitOptionParser opts = new SparkSubmitOptionParser();
Map<String, String> env = new HashMap<String, String>();
env.put("SPARK_PRINT_LAUNCH_COMMAND", "1");
SparkLauncher launcher = new SparkLauncher(env)
.setSparkHome(System.getProperty("spark.test.home"))
.setMaster("local")
.setAppResource("spark-internal")
.addSparkArg(opts.CONF,
String.format("%s=-Dfoo=ShouldBeOverriddenBelow", SparkLauncher.DRIVER_EXTRA_JAVA_OPTIONS))
.setConf(SparkLauncher.DRIVER_EXTRA_JAVA_OPTIONS,
"-Dfoo=bar -Dtest.appender=childproc")
.setConf(SparkLauncher.DRIVER_EXTRA_CLASSPATH, System.getProperty("java.class.path"))
.addSparkArg(opts.CLASS, "ShouldBeOverriddenBelow")
.setMainClass(SparkLauncherTestApp.class.getName())
.addAppArgs("proc");
final Process app = launcher.launch();
new OutputRedirector(app.getInputStream(), TF);
new OutputRedirector(app.getErrorStream(), TF);
assertEquals(0, app.waitFor());
}
public static class SparkLauncherTestApp {
public static void main(String[] args) throws Exception {
assertEquals(1, args.length);
assertEquals("proc", args[0]);
assertEquals("bar", System.getProperty("foo"));
assertEquals("local", System.getProperty(SparkLauncher.SPARK_MASTER));
}
}
}
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