| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.ozShell; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.PrintStream; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.hdds.client.ReplicationFactor; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.HddsDatanodeService; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.test.GenericTestUtils; |
| |
| import com.google.common.base.Strings; |
| import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_REPLICATION; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import static org.junit.Assert.fail; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import picocli.CommandLine; |
| import picocli.CommandLine.ExecutionException; |
| import picocli.CommandLine.IExceptionHandler2; |
| import picocli.CommandLine.ParameterException; |
| import picocli.CommandLine.ParseResult; |
| import picocli.CommandLine.RunLast; |
| |
| /** |
| * This test class specified for testing Ozone datanode shell command. |
| */ |
| public class TestOzoneDatanodeShell { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestOzoneDatanodeShell.class); |
| |
| /** |
| * Set the timeout for every test. |
| */ |
| @Rule |
| public Timeout testTimeout = new Timeout(300000); |
| |
| private static File baseDir; |
| private static OzoneConfiguration conf = null; |
| private static MiniOzoneCluster cluster = null; |
| private static HddsDatanodeService datanode = null; |
| |
| private final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| private final ByteArrayOutputStream err = new ByteArrayOutputStream(); |
| private static final PrintStream OLD_OUT = System.out; |
| private static final PrintStream OLD_ERR = System.err; |
| |
| /** |
| * Create a MiniDFSCluster for testing with using distributed Ozone |
| * handler type. |
| * |
| * @throws Exception |
| */ |
| @BeforeClass |
| public static void init() throws Exception { |
| conf = new OzoneConfiguration(); |
| |
| String path = GenericTestUtils.getTempPath( |
| TestOzoneDatanodeShell.class.getSimpleName()); |
| baseDir = new File(path); |
| baseDir.mkdirs(); |
| |
| datanode = HddsDatanodeService.createHddsDatanodeService(null); |
| |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(3) |
| .build(); |
| conf.setInt(OZONE_REPLICATION, ReplicationFactor.THREE.getValue()); |
| conf.setQuietMode(false); |
| cluster.waitForClusterToBeReady(); |
| } |
| |
| /** |
| * shutdown MiniDFSCluster. |
| */ |
| @AfterClass |
| public static void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| |
| if (baseDir != null) { |
| FileUtil.fullyDelete(baseDir, true); |
| } |
| } |
| |
| @Before |
| public void setup() { |
| System.setOut(new PrintStream(out)); |
| System.setErr(new PrintStream(err)); |
| } |
| |
| @After |
| public void reset() { |
| // reset stream after each unit test |
| out.reset(); |
| err.reset(); |
| |
| // restore system streams |
| System.setOut(OLD_OUT); |
| System.setErr(OLD_ERR); |
| } |
| |
| |
| private void executeDatanode(HddsDatanodeService hdds, String[] args) { |
| LOG.info("Executing datanode command with args {}", Arrays.asList(args)); |
| CommandLine cmd = hdds.getCmd(); |
| |
| IExceptionHandler2<List<Object>> exceptionHandler = |
| new IExceptionHandler2<List<Object>>() { |
| @Override |
| public List<Object> handleParseException(ParameterException ex, |
| String[] args) { |
| throw ex; |
| } |
| |
| @Override |
| public List<Object> handleExecutionException(ExecutionException ex, |
| ParseResult parseResult) { |
| throw ex; |
| } |
| }; |
| cmd.parseWithHandlers(new RunLast(), |
| exceptionHandler, args); |
| } |
| |
| /** |
| * Execute command, assert exception message and returns true if error |
| * was thrown and contains the specified usage string. |
| */ |
| private void executeDatanodeWithError(HddsDatanodeService hdds, String[] args, |
| String expectedError) { |
| if (Strings.isNullOrEmpty(expectedError)) { |
| executeDatanode(hdds, args); |
| } else { |
| try { |
| executeDatanode(hdds, args); |
| fail("Exception is expected from command execution " + Arrays |
| .asList(args)); |
| } catch (Exception ex) { |
| if (!Strings.isNullOrEmpty(expectedError)) { |
| Throwable exceptionToCheck = ex; |
| if (exceptionToCheck.getCause() != null) { |
| exceptionToCheck = exceptionToCheck.getCause(); |
| } |
| Assert.assertTrue( |
| String.format( |
| "Error of shell code doesn't contain the " + |
| "exception [%s] in [%s]", |
| expectedError, exceptionToCheck.getMessage()), |
| exceptionToCheck.getMessage().contains(expectedError)); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void testDatanodeCommand() { |
| LOG.info("Running testDatanodeIncompleteCommand"); |
| String[] args = new String[]{}; //executing 'ozone datanode' |
| |
| //'ozone datanode' command should not result in error |
| executeDatanodeWithError(datanode, args, null); |
| } |
| |
| @Test |
| public void testDatanodeInvalidParamCommand() { |
| LOG.info("Running testDatanodeIncompleteCommand"); |
| String expectedError = "Unknown option: -invalidParam"; |
| //executing 'ozone datanode -invalidParam' |
| String[] args = new String[]{"-invalidParam"}; |
| |
| executeDatanodeWithError(datanode, args, expectedError); |
| } |
| } |