/**
* 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.ipc;
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.BindException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import org.apache.hadoop.conf.Configuration;
import org.junit.Test;
/**
* This is intended to be a set of unit tests for the
* org.apache.hadoop.ipc.Server class.
*/
public class TestServer {
@Test
public void testBind() throws Exception {
Configuration conf = new Configuration();
ServerSocket socket = new ServerSocket();
InetSocketAddress address = new InetSocketAddress("0.0.0.0",0);
socket.bind(address);
try {
int min = socket.getLocalPort();
int max = min + 100;
conf.set("TestRange", min+"-"+max);
ServerSocket socket2 = new ServerSocket();
InetSocketAddress address2 = new InetSocketAddress("0.0.0.0", 0);
Server.bind(socket2, address2, 10, conf, "TestRange");
try {
assertTrue(socket2.isBound());
assertTrue(socket2.getLocalPort() > min);
assertTrue(socket2.getLocalPort() <= max);
} finally {
socket2.close();
}
} finally {
socket.close();
}
}
@Test
public void testBindSimple() throws Exception {
ServerSocket socket = new ServerSocket();
InetSocketAddress address = new InetSocketAddress("0.0.0.0",0);
Server.bind(socket, address, 10);
try {
assertTrue(socket.isBound());
} finally {
socket.close();
}
}
@Test
public void testEmptyConfig() throws Exception {
Configuration conf = new Configuration();
conf.set("TestRange", "");
ServerSocket socket = new ServerSocket();
InetSocketAddress address = new InetSocketAddress("0.0.0.0", 0);
try {
Server.bind(socket, address, 10, conf, "TestRange");
assertTrue(socket.isBound());
} finally {
socket.close();
}
}
@Test
public void testBindError() throws Exception {
Configuration conf = new Configuration();
ServerSocket socket = new ServerSocket();
InetSocketAddress address = new InetSocketAddress("0.0.0.0",0);
socket.bind(address);
try {
int min = socket.getLocalPort();
conf.set("TestRange", min+"-"+min);
ServerSocket socket2 = new ServerSocket();
InetSocketAddress address2 = new InetSocketAddress("0.0.0.0", 0);
boolean caught = false;
try {
Server.bind(socket2, address2, 10, conf, "TestRange");
} catch (BindException e) {
caught = true;
} finally {
socket2.close();
}
assertTrue("Failed to catch the expected bind exception",caught);
} finally {
socket.close();
}
}
@Test
public void testExceptionsHandler() {
Server.ExceptionsHandler handler = new Server.ExceptionsHandler();
handler.addTerseExceptions(IOException.class);
handler.addTerseExceptions(RpcServerException.class, IpcException.class);
assertTrue(handler.isTerse(IOException.class));
assertTrue(handler.isTerse(RpcServerException.class));
assertTrue(handler.isTerse(IpcException.class));
assertFalse(handler.isTerse(RpcClientException.class));
}
}