/**
* 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.hbase.http;
import org.apache.hadoop.hbase.SmallTests;
import org.apache.hadoop.hbase.http.HttpRequestLogAppender;
import org.apache.hadoop.hbase.http.HttpServer;
import org.apache.log4j.Logger;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(SmallTests.class)
public class TestHttpServerLifecycle extends HttpServerFunctionalTest {
/**
* Check that a server is alive by probing the {@link HttpServer#isAlive()} method
* and the text of its toString() description
* @param server server
*/
private void assertAlive(HttpServer server) {
assertTrue("Server is not alive", server.isAlive());
assertToStringContains(server, HttpServer.STATE_DESCRIPTION_ALIVE);
}
private void assertNotLive(HttpServer server) {
assertTrue("Server should not be live", !server.isAlive());
assertToStringContains(server, HttpServer.STATE_DESCRIPTION_NOT_LIVE);
}
/**
* Test that the server is alive once started
*
* @throws Throwable on failure
*/
@Test public void testCreatedServerIsNotAlive() throws Throwable {
HttpServer server = createTestServer();
assertNotLive(server);
}
@Test public void testStopUnstartedServer() throws Throwable {
HttpServer server = createTestServer();
stop(server);
}
/**
* Test that the server is alive once started
*
* @throws Throwable on failure
*/
@Test
public void testStartedServerIsAlive() throws Throwable {
HttpServer server = null;
server = createTestServer();
assertNotLive(server);
server.start();
assertAlive(server);
stop(server);
}
/**
* Test that the server with request logging enabled
*
* @throws Throwable on failure
*/
@Test
public void testStartedServerWithRequestLog() throws Throwable {
HttpRequestLogAppender requestLogAppender = new HttpRequestLogAppender();
requestLogAppender.setName("httprequestlog");
requestLogAppender.setFilename(System.getProperty("test.build.data", "/tmp/")
+ "jetty-name-yyyy_mm_dd.log");
Logger.getLogger(HttpServer.class.getName() + ".test").addAppender(requestLogAppender);
HttpServer server = null;
server = createTestServer();
assertNotLive(server);
server.start();
assertAlive(server);
stop(server);
Logger.getLogger(HttpServer.class.getName() + ".test").removeAppender(requestLogAppender);
}
/**
* Assert that the result of {@link HttpServer#toString()} contains the specific text
* @param server server to examine
* @param text text to search for
*/
private void assertToStringContains(HttpServer server, String text) {
String description = server.toString();
assertTrue("Did not find \"" + text + "\" in \"" + description + "\"",
description.contains(text));
}
/**
* Test that the server is not alive once stopped
*
* @throws Throwable on failure
*/
@Test public void testStoppedServerIsNotAlive() throws Throwable {
HttpServer server = createAndStartTestServer();
assertAlive(server);
stop(server);
assertNotLive(server);
}
/**
* Test that the server is not alive once stopped
*
* @throws Throwable on failure
*/
@Test public void testStoppingTwiceServerIsAllowed() throws Throwable {
HttpServer server = createAndStartTestServer();
assertAlive(server);
stop(server);
assertNotLive(server);
stop(server);
assertNotLive(server);
}
/**
* Test that the server is alive once started
*
* @throws Throwable
* on failure
*/
@Test
public void testWepAppContextAfterServerStop() throws Throwable {
HttpServer server = null;
String key = "test.attribute.key";
String value = "test.attribute.value";
server = createTestServer();
assertNotLive(server);
server.start();
server.setAttribute(key, value);
assertAlive(server);
assertEquals(value, server.getAttribute(key));
stop(server);
assertNull("Server context should have cleared", server.getAttribute(key));
}
}