Files
spring-boot-rest/guest/log4j2-example/src/test/java/com/stackify/services/MyServiceUnitTest.java
2018-09-29 21:12:21 +05:30

82 lines
2.9 KiB
Java

package com.stackify.services;
import java.time.LocalDate;
import java.time.Month;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.FileAppender;
import org.apache.logging.log4j.core.config.AppenderRef;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.LoggerConfig;
import org.apache.logging.log4j.core.layout.PatternLayout;
import org.junit.Test;
import com.stackify.models.User;
import com.stackify.services.MyService;
public class MyServiceUnitTest {
private static final Logger logger = LogManager.getLogger(MyServiceUnitTest.class);
@Test
public void testService() {
MyService myService = new MyService();
User user = new User("John", "john@yahoo.com");
user.setDateOfBirth(LocalDate.of(1980, Month.APRIL, 20));
logger.info("Age of user {} is {}", () -> user.getName(), () -> myService.calculateUserAge(user));
}
@Test
public void testColoredLogger() {
logger.fatal("Fatal level message");
logger.error("Error level message");
logger.warn("Warn level message");
logger.info("Info level message");
logger.debug("Debug level message");
}
@Test
public void testRollingFileAppender() {
Logger rfLogger = LogManager.getLogger("RollingFileLogger");
rfLogger.info("Json Message 1");
rfLogger.info("Json Message 2");
}
@Test
public void testProgrammaticConfig() {
LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
Configuration config = ctx.getConfiguration();
PatternLayout layout = PatternLayout.newBuilder().withConfiguration(config).withPattern("%d{HH:mm:ss.SSS} %level %msg%n").build();
Appender appender = FileAppender.newBuilder().setConfiguration(config).withName("programmaticFileAppender").withLayout(layout).withFileName("java.log").build();
appender.start();
config.addAppender(appender);
AppenderRef ref = AppenderRef.createAppenderRef("programmaticFileAppender", null, null);
AppenderRef[] refs = new AppenderRef[] { ref };
LoggerConfig loggerConfig = LoggerConfig.createLogger(false, Level.INFO, "programmaticLogger", "true", refs, null, config, null);
loggerConfig.addAppender(appender, null, null);
config.addLogger("programmaticLogger", loggerConfig);
ctx.updateLoggers();
Logger pLogger = LogManager.getLogger("programmaticLogger");
pLogger.info("Programmatic Logger Message");
}
@Test
public void testCustomLevel() {
Level myLevel = Level.forName("NEW_LEVEL", 350);
logger.log(myLevel, "Custom Level Message");
logger.log(Level.getLevel("NEW_XML_LEVEL"), "Custom XML Level Message");
}
}