| /** |
| * 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.genconf; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.lang3.RandomStringUtils; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import picocli.CommandLine; |
| import picocli.CommandLine.ExecutionException; |
| import picocli.CommandLine.IExceptionHandler2; |
| import picocli.CommandLine.ParseResult; |
| import picocli.CommandLine.ParameterException; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Tests GenerateOzoneRequiredConfigurations. |
| */ |
| public class TestGenerateOzoneRequiredConfigurations { |
| private static File outputBaseDir; |
| private static GenerateOzoneRequiredConfigurations genconfTool; |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestGenerateOzoneRequiredConfigurations.class); |
| 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; |
| /** |
| * Creates output directory which will be used by the test-cases. |
| * If a test-case needs a separate directory, it has to create a random |
| * directory inside {@code outputBaseDir}. |
| * |
| * @throws Exception In case of exception while creating output directory. |
| */ |
| @BeforeClass |
| public static void init() throws Exception { |
| outputBaseDir = GenericTestUtils.getTestDir(); |
| FileUtils.forceMkdir(outputBaseDir); |
| genconfTool = new GenerateOzoneRequiredConfigurations(); |
| } |
| |
| @Before |
| public void setup() throws Exception { |
| 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); |
| } |
| |
| /** |
| * Cleans up the output base directory. |
| */ |
| @AfterClass |
| public static void cleanup() throws IOException { |
| FileUtils.deleteDirectory(outputBaseDir); |
| } |
| |
| private void execute(String[] args, String msg) { |
| List<String> arguments = new ArrayList(Arrays.asList(args)); |
| LOG.info("Executing shell command with args {}", arguments); |
| CommandLine cmd = genconfTool.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 CommandLine.RunLast(), |
| exceptionHandler, args); |
| Assert.assertTrue(out.toString().contains(msg)); |
| } |
| |
| private void executeWithException(String[] args, String msg) { |
| List<String> arguments = new ArrayList(Arrays.asList(args)); |
| LOG.info("Executing shell command with args {}", arguments); |
| CommandLine cmd = genconfTool.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; |
| } |
| }; |
| try{ |
| cmd.parseWithHandlers(new CommandLine.RunLast(), |
| exceptionHandler, args); |
| }catch(Exception ex){ |
| Assert.assertTrue(ex.getMessage().contains(msg)); |
| } |
| } |
| |
| /** |
| * Tests a valid path and generates ozone-site.xml by calling |
| * {@code GenerateOzoneRequiredConfigurations#generateConfigurations}. |
| * Further verifies that all properties have a default value. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testGenerateConfigurations() throws Exception { |
| File tempPath = getRandomTempDir(); |
| String[] args = new String[]{tempPath.getAbsolutePath()}; |
| execute(args, "ozone-site.xml has been generated at " + |
| tempPath.getAbsolutePath()); |
| |
| //Fetch file generated by above line |
| URL url = new File(tempPath.getAbsolutePath() + "/ozone-site.xml") |
| .toURI().toURL(); |
| OzoneConfiguration oc = new OzoneConfiguration(); |
| List<OzoneConfiguration.Property> allProperties = |
| oc.readPropertyFromXml(url); |
| |
| //Asserts all properties have a non-empty value |
| for (OzoneConfiguration.Property p : allProperties) { |
| Assert.assertTrue( |
| p.getValue() != null && p.getValue().length() > 0); |
| } |
| } |
| |
| /** |
| * Generates ozone-site.xml at specified path. |
| * Verify that it does not overwrite if file already exists in path. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testDoesNotOverwrite() throws Exception { |
| File tempPath = getRandomTempDir(); |
| String[] args = new String[]{tempPath.getAbsolutePath()}; |
| execute(args, "ozone-site.xml has been generated at " + |
| tempPath.getAbsolutePath()); |
| |
| //attempt overwrite |
| execute(args, "ozone-site.xml already exists at " + |
| tempPath.getAbsolutePath() + " and will not be overwritten"); |
| |
| } |
| |
| /** |
| * Test to avoid generating ozone-site.xml when insufficient permission. |
| * @throws Exception |
| */ |
| @Test |
| public void genconfFailureByInsufficientPermissions() throws Exception { |
| File tempPath = getRandomTempDir(); |
| tempPath.setReadOnly(); |
| String[] args = new String[]{tempPath.getAbsolutePath()}; |
| executeWithException(args, "Insufficient permission."); |
| } |
| |
| /** |
| * Test to avoid generating ozone-site.xml when invalid path. |
| * @throws Exception |
| */ |
| @Test |
| public void genconfFailureByInvalidPath() throws Exception { |
| File tempPath = getRandomTempDir(); |
| String[] args = new String[]{"invalid-path"}; |
| executeWithException(args, "Invalid directory path."); |
| } |
| |
| /** |
| * Test to avoid generating ozone-site.xml when path not specified. |
| * @throws Exception |
| */ |
| @Test |
| public void genconfPathNotSpecified() throws Exception { |
| File tempPath = getRandomTempDir(); |
| String[] args = new String[]{}; |
| executeWithException(args, "Missing required parameter: <path>"); |
| } |
| |
| /** |
| * Test to check help message. |
| * @throws Exception |
| */ |
| @Test |
| public void genconfHelp() throws Exception { |
| File tempPath = getRandomTempDir(); |
| String[] args = new String[]{"--help"}; |
| execute(args, "Usage: ozone genconf [-hV] [--verbose]"); |
| } |
| |
| private File getRandomTempDir() throws IOException { |
| File tempDir = new File(outputBaseDir, |
| RandomStringUtils.randomAlphanumeric(5)); |
| FileUtils.forceMkdir(tempDir); |
| return tempDir; |
| } |
| } |