Java tutorial
/** * 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.ambari.server.utils; import com.google.inject.AbstractModule; import com.google.inject.Guice; import com.google.inject.Inject; import com.google.inject.Injector; import junit.framework.TestCase; import org.apache.ambari.server.configuration.Configuration; import org.apache.ambari.server.security.CertGenerationTest; import org.apache.ambari.server.security.CertificateManager; import org.apache.commons.io.FileUtils; import org.apache.commons.lang.RandomStringUtils; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.rules.TemporaryFolder; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.lang.reflect.Constructor; import java.lang.reflect.Method; import java.lang.reflect.Modifier; import java.security.ProtectionDomain; import java.util.Arrays; import java.util.Properties; import java.util.Random; public class TestShellCommandUtil extends TestCase { public TemporaryFolder temp = new TemporaryFolder(); protected Constructor<Configuration> getConfigurationConstructor() { try { return Configuration.class.getConstructor(Properties.class); } catch (NoSuchMethodException e) { throw new RuntimeException("Expected constructor not found in Configuration.java", e); } } @Before public void setUp() throws IOException { try { temp.create(); } catch (IOException e) { e.printStackTrace(); } } @After public void tearDown() throws IOException { temp.delete(); } @Test public void testOSDetection() throws Exception { // At least check, that only one OS is selected assertTrue(ShellCommandUtil.LINUX ^ ShellCommandUtil.WINDOWS ^ ShellCommandUtil.MAC); assertTrue(ShellCommandUtil.LINUX || ShellCommandUtil.MAC == ShellCommandUtil.UNIX_LIKE); } @Test public void testUnixFilePermissions() throws Exception { File dummyFile = new File(temp.getRoot() + File.separator + "dummy"); new FileOutputStream(dummyFile).close(); if (ShellCommandUtil.LINUX) { ShellCommandUtil.setUnixFilePermissions("600", dummyFile.getAbsolutePath()); String p = ShellCommandUtil.getUnixFilePermissions(dummyFile.getAbsolutePath()); assertEquals("600", p); ShellCommandUtil.setUnixFilePermissions("444", dummyFile.getAbsolutePath()); p = ShellCommandUtil.getUnixFilePermissions(dummyFile.getAbsolutePath()); assertEquals("444", p); ShellCommandUtil.setUnixFilePermissions("777", dummyFile.getAbsolutePath()); p = ShellCommandUtil.getUnixFilePermissions(dummyFile.getAbsolutePath()); assertEquals("777", p); } else { // Next command is silently ignored, it's OK ShellCommandUtil.setUnixFilePermissions(ShellCommandUtil.MASK_OWNER_ONLY_RW, dummyFile.getAbsolutePath()); // On Windows/Mac, output is always MASK_EVERYBODY_RWX String p = ShellCommandUtil.getUnixFilePermissions(dummyFile.getAbsolutePath()); assertEquals(p, ShellCommandUtil.MASK_EVERYBODY_RWX); } } @Test public void testRunCommand() throws Exception { ShellCommandUtil.Result result = null; if (ShellCommandUtil.LINUX) { result = ShellCommandUtil.runCommand(new String[] { "echo", "dummy" }); assertEquals(0, result.getExitCode()); assertEquals("dummy\n", result.getStdout()); assertEquals("", result.getStderr()); assertTrue(result.isSuccessful()); result = ShellCommandUtil.runCommand(new String[] { "false" }); assertEquals(1, result.getExitCode()); assertFalse(result.isSuccessful()); } else { // Skipping this test under Windows/Mac } } @Test public void testHideOpenSslPassword() { String command_pass = "openssl ca -config ca.config -in agent_hostname1.csr -out " + "agent_hostname1.crt -batch -passin pass:1234 -keyfile ca.key -cert ca.crt"; String command_key = "openssl ca -create_serial -out /var/lib/tbds-server/keys/ca.crt -days 365 -keyfile /var/lib/tbds-server/keys/ca.key " + "-key 1234 -selfsign -extensions jdk7_ca " + "-config /var/lib/tbds-server/keys/ca.config -batch " + "-infiles /var/lib/tbds-server/keys/ca.csr"; assertFalse(ShellCommandUtil.hideOpenSslPassword(command_pass).contains("1234")); assertFalse(ShellCommandUtil.hideOpenSslPassword(command_key).contains("1234")); } public void testResultsClassIsPublic() throws Exception { Class resultClass = ShellCommandUtil.Result.class; assertEquals(Modifier.PUBLIC, resultClass.getModifiers() & Modifier.PUBLIC); for (Method method : resultClass.getMethods()) { assertEquals(method.getName(), Modifier.PUBLIC, (method.getModifiers() & Modifier.PUBLIC)); } } }