| /* |
| * 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.slider.server.services.workflow; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.service.ServiceOperations; |
| import org.apache.slider.test.SliderTestUtils; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Test the long lived process by executing a command that works and a command |
| * that fails |
| */ |
| public class TestWorkflowForkedProcessService extends WorkflowServiceTestBase { |
| private static final Logger |
| log = LoggerFactory.getLogger(TestWorkflowForkedProcessService.class); |
| |
| private static final Logger |
| processLog = |
| LoggerFactory.getLogger("org.apache.hadoop.services.workflow.Process"); |
| public static final int RECENT_OUTPUT_SLEEP_DURATION = 4000; |
| |
| |
| private ForkedProcessService process; |
| private File testDir = new File("target"); |
| private ProcessCommandFactory commandFactory; |
| private Map<String, String> env = new HashMap<String, String>(); |
| |
| @Before |
| public void setupProcesses() { |
| commandFactory = ProcessCommandFactory.createProcessCommandFactory(); |
| } |
| |
| @After |
| public void stopProcesses() { |
| ServiceOperations.stop(process); |
| } |
| |
| @Test |
| public void testLs() throws Throwable { |
| |
| initProcess(commandFactory.ls(testDir)); |
| exec(); |
| assertFalse(process.isProcessRunning()); |
| Integer exitCode = process.getExitCode(); |
| assertNotNull("null exit code", exitCode); |
| assertEquals(0, exitCode.intValue()); |
| |
| assertStringInOutput("test-classes", getFinalOutput()); |
| // assert that the service did not fail |
| assertNull(process.getFailureCause()); |
| } |
| |
| @Test |
| public void testExitCodes() throws Throwable { |
| SliderTestUtils.skipOnWindows(); |
| |
| initProcess(commandFactory.exitFalse()); |
| exec(); |
| assertFalse(process.isProcessRunning()); |
| Integer exitCode = process.getExitCode(); |
| assertNotNull("null exit code", exitCode); |
| assertTrue(exitCode != 0); |
| int corrected = process.getExitCodeSignCorrected(); |
| assertEquals(1, corrected); |
| // assert that the exit code was uprated to a service failure |
| assertNotNull(process.getFailureCause()); |
| |
| } |
| |
| @Test |
| public void testEcho() throws Throwable { |
| SliderTestUtils.skipOnWindows(); |
| String echoText = "hello, world"; |
| initProcess(commandFactory.echo(echoText)); |
| exec(); |
| Integer exitCode = process.getExitCode(); |
| assertNotNull("null exit code", exitCode); |
| assertEquals(0, exitCode.intValue()); |
| assertStringInOutput(echoText, getFinalOutput()); |
| |
| } |
| |
| @Test |
| public void testSetenv() throws Throwable { |
| |
| String var = "TEST_RUN"; |
| String val = "TEST-RUN-ENV-VALUE"; |
| env.put(var, val); |
| initProcess(commandFactory.env()); |
| exec(); |
| Integer exitCode = process.getExitCode(); |
| assertNotNull("null exit code", exitCode); |
| assertEquals(0, exitCode.intValue()); |
| assertStringInOutput(val, getFinalOutput()); |
| } |
| |
| /** |
| * Get the final output. includes a quick sleep for the tail output |
| * @return the last output |
| */ |
| private List<String> getFinalOutput() { |
| return process.getRecentOutput(true, RECENT_OUTPUT_SLEEP_DURATION); |
| } |
| |
| private ForkedProcessService initProcess(List<String> commands) throws |
| IOException { |
| process = new ForkedProcessService(name.getMethodName(), env, |
| commands); |
| process.init(new Configuration()); |
| |
| return process; |
| } |
| |
| public void exec() throws InterruptedException, TimeoutException { |
| assertNotNull(process); |
| process.start(); |
| assert process.waitForServiceToStop(5000); |
| } |
| |
| } |