| /** |
| * 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.hadoop.ha; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.net.InetSocketAddress; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.base.Charsets; |
| import com.google.common.base.Joiner; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class TestHAAdmin { |
| private static final Logger LOG = LoggerFactory.getLogger(TestHAAdmin.class); |
| |
| private HAAdmin tool; |
| private ByteArrayOutputStream errOutBytes = new ByteArrayOutputStream(); |
| private ByteArrayOutputStream outBytes = new ByteArrayOutputStream(); |
| private String errOutput; |
| private String output; |
| |
| @Before |
| public void setup() throws IOException { |
| tool = new HAAdmin() { |
| @Override |
| protected HAServiceTarget resolveTarget(String target) { |
| return new DummyHAService(HAServiceState.STANDBY, |
| new InetSocketAddress("dummy", 12345)); |
| } |
| }; |
| tool.setConf(new Configuration()); |
| tool.errOut = new PrintStream(errOutBytes); |
| tool.out = new PrintStream(outBytes); |
| } |
| |
| private void assertOutputContains(String string) { |
| if (!errOutput.contains(string) && !output.contains(string)) { |
| fail("Expected output to contain '" + string + |
| "' but err_output was:\n" + errOutput + |
| "\n and output was: \n" + output); |
| } |
| } |
| |
| @Test |
| public void testAdminUsage() throws Exception { |
| assertEquals(-1, runTool()); |
| assertOutputContains("Usage:"); |
| assertOutputContains("-transitionToActive"); |
| |
| assertEquals(-1, runTool("badCommand")); |
| assertOutputContains("Bad command 'badCommand'"); |
| |
| assertEquals(-1, runTool("-badCommand")); |
| assertOutputContains("badCommand: Unknown"); |
| |
| // valid command but not enough arguments |
| assertEquals(-1, runTool("-transitionToActive")); |
| assertOutputContains("transitionToActive: incorrect number of arguments"); |
| assertEquals(-1, runTool("-transitionToActive", "x", "y")); |
| assertOutputContains("transitionToActive: incorrect number of arguments"); |
| assertEquals(-1, runTool("-failover")); |
| assertOutputContains("failover: incorrect arguments"); |
| assertOutputContains("failover: incorrect arguments"); |
| assertEquals(-1, runTool("-failover", "foo:1234")); |
| assertOutputContains("failover: incorrect arguments"); |
| } |
| |
| @Test |
| public void testHelp() throws Exception { |
| assertEquals(0, runTool("-help")); |
| assertEquals(0, runTool("-help", "transitionToActive")); |
| assertOutputContains("Transitions the service into Active"); |
| } |
| |
| private Object runTool(String ... args) throws Exception { |
| errOutBytes.reset(); |
| outBytes.reset(); |
| LOG.info("Running: HAAdmin " + Joiner.on(" ").join(args)); |
| int ret = tool.run(args); |
| errOutput = new String(errOutBytes.toByteArray(), Charsets.UTF_8); |
| output = new String(outBytes.toByteArray(), Charsets.UTF_8); |
| LOG.info("Err_output:\n" + errOutput + "\nOutput:\n" + output); |
| return ret; |
| } |
| } |