TestLogLevel.java
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上传日期:2018-01-08
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- /**
- * 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.log;
- import java.io.*;
- import java.net.*;
- import org.apache.hadoop.http.HttpServer;
- import junit.framework.TestCase;
- import org.apache.commons.logging.*;
- import org.apache.commons.logging.impl.*;
- import org.apache.log4j.*;
- public class TestLogLevel extends TestCase {
- static final PrintStream out = System.out;
- public void testDynamicLogLevel() throws Exception {
- String logName = TestLogLevel.class.getName();
- Log testlog = LogFactory.getLog(logName);
- //only test Log4JLogger
- if (testlog instanceof Log4JLogger) {
- Logger log = ((Log4JLogger)testlog).getLogger();
- log.debug("log.debug1");
- log.info("log.info1");
- log.error("log.error1");
- assertTrue(!Level.ERROR.equals(log.getEffectiveLevel()));
- HttpServer server = new HttpServer("..", "localhost", 22222, true);
- server.start();
- int port = server.getPort();
- //servlet
- URL url = new URL("http://localhost:" + port
- + "/logLevel?log=" + logName + "&level=" + Level.ERROR);
- out.println("*** Connecting to " + url);
- URLConnection connection = url.openConnection();
- connection.connect();
- BufferedReader in = new BufferedReader(new InputStreamReader(
- connection.getInputStream()));
- for(String line; (line = in.readLine()) != null; out.println(line));
- in.close();
- log.debug("log.debug2");
- log.info("log.info2");
- log.error("log.error2");
- assertTrue(Level.ERROR.equals(log.getEffectiveLevel()));
- //command line
- String[] args = {"-setlevel", "localhost:"+port, logName,""+Level.DEBUG};
- LogLevel.main(args);
- log.debug("log.debug3");
- log.info("log.info3");
- log.error("log.error3");
- assertTrue(Level.DEBUG.equals(log.getEffectiveLevel()));
- }
- else {
- out.println(testlog.getClass() + " not tested.");
- }
- }
- }