/*
* 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.logging.log4j.web;
import javax.servlet.ServletContext;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.impl.ContextAnchor;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import static org.junit.Assert.*;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.BDDMockito.given;
import static org.mockito.BDDMockito.then;
@RunWith(MockitoJUnitRunner.class)
public class Log4jWebInitializerImplTest {
@Mock
private ServletContext servletContext;
@Captor
private ArgumentCaptor<Log4jWebLifeCycle> initializerCaptor;
@Captor
private ArgumentCaptor<org.apache.logging.log4j.spi.LoggerContext> loggerContextCaptor;
@Rule
public ExpectedException expectedException = ExpectedException.none();
private Log4jWebInitializerImpl initializerImpl;
@Before
public void setUp() {
given(servletContext.getAttribute(Log4jWebSupport.SUPPORT_ATTRIBUTE)).willReturn(null);
final Log4jWebLifeCycle initializer = WebLoggerContextUtils.getWebLifeCycle(this.servletContext);
then(servletContext).should().setAttribute(eq(Log4jWebSupport.SUPPORT_ATTRIBUTE), initializerCaptor.capture());
assertNotNull("The initializer should not be null.", initializer);
assertSame("The capture is not correct.", initializer, initializerCaptor.getValue());
assertTrue("The initializer is not correct.", initializer instanceof Log4jWebInitializerImpl);
this.initializerImpl = (Log4jWebInitializerImpl) initializer;
}
@Test
public void testDeinitializeBeforeInitialize() {
expectedException.expect(IllegalStateException.class);
this.initializerImpl.stop();
}
@Test
public void testSetLoggerContextBeforeInitialize() {
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
@Test
public void testClearLoggerContextBeforeInitialize() {
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.clearLoggerContext();
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
@Test
public void testInitializeWithNoParametersThenSetLoggerContextThenDeinitialize() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn(null);
given(servletContext.getServletContextName()).willReturn("helloWorld01");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
final org.apache.logging.log4j.spi.LoggerContext loggerContext = loggerContextCaptor.getValue();
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
final LoggerContext context = ContextAnchor.THREAD_CONTEXT.get();
assertNotNull("The context should not be null.", context);
assertSame("The context is not correct.", loggerContext, context);
this.initializerImpl.clearLoggerContext();
assertNull("The context should be null again.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
assertNull("The context should again still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should finally still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
@Test
public void testInitializeWithClassLoaderNoParametersThenSetLoggerContextThenDeinitialize() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn("false");
given(servletContext.getServletContextName()).willReturn("helloWorld02");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
given(servletContext.getClassLoader()).willReturn(getClass().getClassLoader());
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
final org.apache.logging.log4j.spi.LoggerContext loggerContext = loggerContextCaptor.getValue();
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
final LoggerContext context = ContextAnchor.THREAD_CONTEXT.get();
assertNotNull("The context should not be null.", context);
assertSame("The context is not correct.", loggerContext, context);
this.initializerImpl.clearLoggerContext();
assertNull("The context should be null again.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
assertNull("The context should again still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should finally still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
@Test
public void testInitializeIsIdempotent() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn("nothing");
given(servletContext.getServletContextName()).willReturn("helloWorld03");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
given(servletContext.getClassLoader()).willReturn(getClass().getClassLoader());
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
this.initializerImpl.start();
this.initializerImpl.start();
this.initializerImpl.start();
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
}
@Test
public void testInitializeFailsAfterDeinitialize() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn(null);
given(servletContext.getServletContextName()).willReturn("helloWorld04");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
given(servletContext.getClassLoader()).willReturn(getClass().getClassLoader());
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
expectedException.expect(IllegalStateException.class);
this.initializerImpl.start();
}
@Test
public void testDeinitializeIsIdempotent() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn(null);
given(servletContext.getServletContextName()).willReturn("helloWorld05");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
given(servletContext.getClassLoader()).willReturn(getClass().getClassLoader());
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
this.initializerImpl.stop();
this.initializerImpl.stop();
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
}
@Test
public void testInitializeUsingJndiSelectorFails() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn("true");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
expectedException.expect(IllegalStateException.class);
this.initializerImpl.start();
}
@Test
public void testInitializeUsingJndiSelector() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn("helloWorld06");
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn("true");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNull("The context attribute should be null.", loggerContextCaptor.getValue());
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should still be null because no named selector.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.clearLoggerContext();
assertNull("The context should be null again.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.stop();
assertNull("The context should again still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should finally still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
@Test
public void testWrapExecutionWithNoParameters() throws Exception {
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONTEXT_NAME))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.LOG4J_CONFIG_LOCATION))).willReturn(null);
given(servletContext.getInitParameter(eq(Log4jWebSupport.IS_LOG4J_CONTEXT_SELECTOR_NAMED))).willReturn(null);
given(servletContext.getServletContextName()).willReturn("helloWorld07");
given(servletContext.getResourcePaths("/WEB-INF/")).willReturn(null);
assertNull("The context should be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.start();
then(servletContext).should().setAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE), loggerContextCaptor.capture());
assertNotNull("The context attribute should not be null.", loggerContextCaptor.getValue());
final org.apache.logging.log4j.spi.LoggerContext loggerContext = loggerContextCaptor.getValue();
assertNull("The context should still be null.", ContextAnchor.THREAD_CONTEXT.get());
final Runnable runnable = new Runnable() {
@Override
public void run() {
final LoggerContext context = ContextAnchor.THREAD_CONTEXT.get();
assertNotNull("The context should not be null.", context);
assertSame("The context is not correct.", loggerContext, context);
}
};
this.initializerImpl.wrapExecution(runnable);
assertNull("The context should be null again.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.stop();
then(servletContext).should().removeAttribute(eq(Log4jWebSupport.CONTEXT_ATTRIBUTE));
assertNull("The context should again still be null.", ContextAnchor.THREAD_CONTEXT.get());
this.initializerImpl.setLoggerContext();
assertNull("The context should finally still be null.", ContextAnchor.THREAD_CONTEXT.get());
}
}