Java tutorial
/* * Copyright 2002-2012 the original author or authors. * * Licensed 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.springframework.web.util; import java.net.URL; import javax.servlet.ServletContextEvent; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.junit.Ignore; import org.junit.Test; import org.springframework.core.io.FileSystemResourceLoader; import org.springframework.mock.web.test.MockServletContext; import static org.junit.Assert.*; /** * @author Juergen Hoeller * @author Sam Brannen * @since 21.02.2005 */ public class Log4jWebConfigurerTests { private static final String TESTLOG4J_PROPERTIES = "testlog4j.properties"; private static final String PROPERTIES_LOCATION = "org/springframework/web/util/testlog4j.properties"; private static final String CLASSPATH_RESOURCE = "classpath:" + PROPERTIES_LOCATION; private static final String RELATIVE_PATH = "src/test/resources/" + PROPERTIES_LOCATION; @Test public void initLoggingWithClasspathResource() { initLogging(CLASSPATH_RESOURCE, false); } @Test public void initLoggingWithClasspathResourceAndRefreshInterval() { initLogging(CLASSPATH_RESOURCE, true); } @Test public void initLoggingWithRelativeFilePath() { initLogging(RELATIVE_PATH, false); } @Test public void initLoggingWithRelativeFilePathAndRefreshInterval() { initLogging(RELATIVE_PATH, true); } @Test // See SPR-9417 public void initLoggingWithPlaceholderResolvingToValidUrl() { initLogging("${some.prop.name:classpath:}" + PROPERTIES_LOCATION, true); } @Test public void initLoggingWithUrl() { URL url = Log4jWebConfigurerTests.class.getResource(TESTLOG4J_PROPERTIES); initLogging(url.toString(), false); } @Test public void initLoggingWithUrlAndRefreshInterval() { URL url = Log4jWebConfigurerTests.class.getResource(TESTLOG4J_PROPERTIES); initLogging(url.toString(), true); } @Ignore("Only works on MS Windows") @Test public void initLoggingWithAbsoluteFilePathAndRefreshInterval() { URL url = Log4jWebConfigurerTests.class.getResource(TESTLOG4J_PROPERTIES); initLogging(url.getFile(), true); } private void initLogging(String location, boolean refreshInterval) { MockServletContext sc = new MockServletContext("", new FileSystemResourceLoader()); sc.addInitParameter(Log4jWebConfigurer.CONFIG_LOCATION_PARAM, location); if (refreshInterval) { sc.addInitParameter(Log4jWebConfigurer.REFRESH_INTERVAL_PARAM, "10"); } Log4jWebConfigurer.initLogging(sc); try { assertLogOutput(); } finally { Log4jWebConfigurer.shutdownLogging(sc); } assertTrue(MockLog4jAppender.closeCalled); } private void assertLogOutput() { Log log = LogFactory.getLog(this.getClass()); log.debug("debug"); log.info("info"); log.warn("warn"); log.error("error"); log.fatal("fatal"); assertTrue(MockLog4jAppender.loggingStrings.contains("debug")); assertTrue(MockLog4jAppender.loggingStrings.contains("info")); assertTrue(MockLog4jAppender.loggingStrings.contains("warn")); assertTrue(MockLog4jAppender.loggingStrings.contains("error")); assertTrue(MockLog4jAppender.loggingStrings.contains("fatal")); } @Test public void testLog4jConfigListener() { Log4jConfigListener listener = new Log4jConfigListener(); MockServletContext sc = new MockServletContext("", new FileSystemResourceLoader()); sc.addInitParameter(Log4jWebConfigurer.CONFIG_LOCATION_PARAM, RELATIVE_PATH); listener.contextInitialized(new ServletContextEvent(sc)); try { assertLogOutput(); } finally { listener.contextDestroyed(new ServletContextEvent(sc)); } assertTrue(MockLog4jAppender.closeCalled); } }