| /* |
| * 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.flink.test.example.client; |
| |
| import org.apache.flink.api.common.ExecutionConfig; |
| import org.apache.flink.api.common.Plan; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.api.java.io.DiscardingOutputFormat; |
| import org.apache.flink.client.deployment.executors.LocalExecutor; |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.configuration.CoreOptions; |
| import org.apache.flink.configuration.DeploymentOptions; |
| import org.apache.flink.core.execution.JobClient; |
| import org.apache.flink.runtime.minicluster.MiniCluster; |
| import org.apache.flink.test.testdata.WordCountData; |
| import org.apache.flink.test.testfunctions.Tokenizer; |
| import org.apache.flink.util.TestLogger; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| |
| import static org.apache.flink.core.testutils.CommonTestUtils.assertThrows; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| |
| /** Integration tests for {@link LocalExecutor}. */ |
| public class LocalExecutorITCase extends TestLogger { |
| |
| private static final int parallelism = 4; |
| |
| private MiniCluster miniCluster; |
| private LocalExecutor executor; |
| |
| @Before |
| public void before() { |
| executor = |
| LocalExecutor.createWithFactory( |
| new Configuration(), |
| config -> { |
| miniCluster = new MiniCluster(config); |
| return miniCluster; |
| }); |
| } |
| |
| @Test(timeout = 60_000) |
| public void testLocalExecutorWithWordCount() throws InterruptedException { |
| try { |
| // set up the files |
| File inFile = File.createTempFile("wctext", ".in"); |
| File outFile = File.createTempFile("wctext", ".out"); |
| inFile.deleteOnExit(); |
| outFile.deleteOnExit(); |
| |
| try (FileWriter fw = new FileWriter(inFile)) { |
| fw.write(WordCountData.TEXT); |
| } |
| |
| final Configuration config = new Configuration(); |
| config.setBoolean(CoreOptions.FILESYTEM_DEFAULT_OVERRIDE, true); |
| config.setBoolean(DeploymentOptions.ATTACHED, true); |
| |
| Plan wcPlan = getWordCountPlan(inFile, outFile, parallelism); |
| wcPlan.setExecutionConfig(new ExecutionConfig()); |
| JobClient jobClient = |
| executor.execute(wcPlan, config, ClassLoader.getSystemClassLoader()).get(); |
| jobClient.getJobExecutionResult().get(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail(e.getMessage()); |
| } |
| |
| assertThat(miniCluster.isRunning(), is(false)); |
| } |
| |
| @Test(timeout = 60_000) |
| public void testMiniClusterShutdownOnErrors() throws Exception { |
| Plan runtimeExceptionPlan = getRuntimeExceptionPlan(); |
| runtimeExceptionPlan.setExecutionConfig(new ExecutionConfig()); |
| |
| Configuration config = new Configuration(); |
| config.setBoolean(DeploymentOptions.ATTACHED, true); |
| |
| JobClient jobClient = |
| executor.execute(runtimeExceptionPlan, config, ClassLoader.getSystemClassLoader()) |
| .get(); |
| |
| assertThrows( |
| "Job execution failed.", |
| Exception.class, |
| () -> jobClient.getJobExecutionResult().get()); |
| |
| assertThat(miniCluster.isRunning(), is(false)); |
| } |
| |
| private Plan getWordCountPlan(File inFile, File outFile, int parallelism) { |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| env.setParallelism(parallelism); |
| env.readTextFile(inFile.getAbsolutePath()) |
| .flatMap(new Tokenizer()) |
| .groupBy(0) |
| .sum(1) |
| .writeAsCsv(outFile.getAbsolutePath()); |
| return env.createProgramPlan(); |
| } |
| |
| private Plan getRuntimeExceptionPlan() { |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| env.fromElements(1) |
| .map( |
| element -> { |
| if (element == 1) { |
| throw new RuntimeException("oups"); |
| } |
| return element; |
| }) |
| .output(new DiscardingOutputFormat<>()); |
| return env.createProgramPlan(); |
| } |
| } |