/*
* Copyright 2012-2014 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.boot.logging.logback;
import java.io.File;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.impl.SLF4JLogFactory;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.slf4j.ILoggerFactory;
import org.slf4j.impl.StaticLoggerBinder;
import org.springframework.boot.logging.AbstractLoggingSystemTests;
import org.springframework.boot.logging.LogLevel;
import org.springframework.boot.test.OutputCapture;
import org.springframework.util.StringUtils;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
/**
* Tests for {@link LogbackLoggingSystem}.
*
* @author Dave Syer
* @author Phillip Webb
*/
public class LogbackLoggingSystemTests extends AbstractLoggingSystemTests {
@Rule
public OutputCapture output = new OutputCapture();
private final LogbackLoggingSystem loggingSystem = new LogbackLoggingSystem(
getClass().getClassLoader());
private Log logger;
@Before
public void setup() {
this.logger = new SLF4JLogFactory().getInstance(getClass().getName());
}
@Test
public void noFile() throws Exception {
this.loggingSystem.beforeInitialize();
this.logger.info("Hidden");
this.loggingSystem.initialize(null, null);
this.logger.info("Hello world");
String output = this.output.toString().trim();
assertTrue("Wrong output:\n" + output, output.contains("Hello world"));
assertFalse("Output not hidden:\n" + output, output.contains("Hidden"));
assertFalse(new File(tmpDir() + "/spring.log").exists());
}
@Test
public void withFile() throws Exception {
this.loggingSystem.beforeInitialize();
this.logger.info("Hidden");
this.loggingSystem.initialize(null, tmpDir() + "/spring.log");
this.logger.info("Hello world");
String output = this.output.toString().trim();
assertTrue("Wrong output:\n" + output, output.contains("Hello world"));
assertFalse("Output not hidden:\n" + output, output.contains("Hidden"));
assertTrue(new File(tmpDir() + "/spring.log").exists());
}
@Test
public void testBasicConfigLocation() throws Exception {
this.loggingSystem.beforeInitialize();
ILoggerFactory factory = StaticLoggerBinder.getSingleton().getLoggerFactory();
LoggerContext context = (LoggerContext) factory;
Logger root = context.getLogger(org.slf4j.Logger.ROOT_LOGGER_NAME);
assertNotNull(root.getAppender("CONSOLE"));
}
@Test
public void testNonDefaultConfigLocation() throws Exception {
this.loggingSystem.beforeInitialize();
this.loggingSystem.initialize("classpath:logback-nondefault.xml", tmpDir()
+ "/tmp.log");
this.logger.info("Hello world");
String output = this.output.toString().trim();
assertTrue("Wrong output:\n" + output, output.contains("Hello world"));
assertTrue("Wrong output:\n" + output, output.contains(tmpDir() + "/tmp.log"));
assertTrue("Wrong output:\n" + output, output.endsWith("BOOTBOOT"));
assertFalse(new File(tmpDir() + "/tmp.log").exists());
}
@Test(expected = IllegalStateException.class)
public void testNonexistentConfigLocation() throws Exception {
this.loggingSystem.beforeInitialize();
this.loggingSystem.initialize("classpath:logback-nonexistent.xml", null);
}
@Test
public void setLevel() throws Exception {
this.loggingSystem.beforeInitialize();
this.loggingSystem.initialize(null, null);
this.logger.debug("Hello");
this.loggingSystem.setLogLevel("org.springframework.boot", LogLevel.DEBUG);
this.logger.debug("Hello");
assertThat(StringUtils.countOccurrencesOf(this.output.toString(), "Hello"),
equalTo(1));
}
@Test
public void loggingThatUsesJulIsCaptured() {
this.loggingSystem.beforeInitialize();
this.loggingSystem.initialize(null, null);
java.util.logging.Logger julLogger = java.util.logging.Logger
.getLogger(getClass().getName());
julLogger.info("Hello world");
String output = this.output.toString().trim();
assertTrue("Wrong output:\n" + output, output.contains("Hello world"));
}
}