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How to use Logger class of org.testng.log4testng package

Best Testng code snippet using org.testng.log4testng.Logger

Source:Log4jBasic.java

...10import org.testng.Assert;11import org.testng.annotations.AfterClass;12import org.testng.annotations.BeforeClass;13import org.testng.annotations.Test;14//import org.testng.log4testng.Logger;15import org.apache.log4j.BasicConfigurator;16import org.apache.log4j.Level;17import org.apache.log4j.Logger;1819public class Log4jBasic {2021	static Logger logger = Logger.getLogger(Log4jBasic.class);22	23	WebDriver driver;24	2526	@BeforeClass27	public void setup() {28		29		BasicConfigurator.configure();30		Logger.getRootLogger().setLevel(Level.DEBUG);31		// Set the key/value property according to the browser you are using32		System.setProperty("webdriver.chrome.driver", "D:\\Selenium JARS and Drivers\\chromedriver.exe");3334		// Open browser instance35		driver = new ChromeDriver();36		37		38		39		String url = "http://the-internet.herokuapp.com/";40		// Open AUT41		driver.get(url);42		//Below doesn't came in Console so commenting but it works for properties43		//logger.info("Opening Home Page");44		45		driver.manage().window().maximize();46		driver.manage().timeouts().implicitlyWait(5,TimeUnit.SECONDS);47	}4849	@Test50	public void test() {51		String pageTitle = driver.getTitle();52		System.out.println(pageTitle);53		WebElement loginUrl = driver.findElement(By.linkText("Form Authentication"));54		loginUrl.click();55		driver.findElement(By.xpath("//input[@name ='username']")).sendKeys("tomsmith");56		logger.info("Entering Username");57		driver.findElement(By.xpath("//input[@name ='password']")).sendKeys("SuperSecretPassword!");58		logger.info("Entering Password");59		driver.findElement(By.xpath("//button[@class ='radius']")).click();60		logger.info("Click on Login button");61		String expectedMessage = "You logged into a secure area!";62	63		WebElement successMessage = driver.findElement(By.xpath("//div[@id='flash']"));64		String actualMessage = successMessage.getText();65		logger.info("Actual message fetched " + actualMessage);66		67		Assert.assertTrue(actualMessage.contains(expectedMessage),68				"Actual message does not contain expected message.\nActual Message: " + actualMessage69						+ "\nExpected Message: " + expectedMessage);70	}7172	@AfterClass73	public void teardown() {74		// Close the browser75		driver.close();76		logger.info("Driver Closed");7778	}79}80818283//Don't use //import org.testng.log4testng.Logger;84/*<?xml version="1.0" encoding="UTF-8"?>85<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">86<suite name="Log4j" verbose="1">8788	<test name="Log4j Test">89		<classes>90			<class name="lex.Log4jBasic">91			92			</class>93		</classes>94	</test>9596</suite>97
...

Source:DataBaseService.java

1package dataBaseService;2import browserService.ReadProperties;3import org.testng.log4testng.Logger;4import java.sql.*;5public class DataBaseService {6    public static org.testng.log4testng.Logger logger = Logger.getLogger(DataBaseService.class);7    private static Connection connection = null;8    private static Statement statement = null;9    public ReadProperties properties;10    public DataBaseService() {11        properties = new ReadProperties();12    }13    public void connectionDataBase() {14        logger.error("Setup DataBase connector");15        String db_URL = properties.getDB() + "://" + properties.getDBHost() + ":" + properties.getDBPort() + "/" + properties.getDBName();16        try {17            Class.forName("org.postgresql.Driver");18            logger.trace("Class has been found");19            connection = DriverManager.getConnection(db_URL, properties.getDBUsername(), properties.getDBPassword());20            logger.info("Connection has been established");...

Source:RadioButtonTest.java

...3import com.yaytech.util.WebDriverFactory;4import org.openqa.selenium.By;5import org.openqa.selenium.WebDriver;6import org.openqa.selenium.WebElement;7import org.slf4j.Logger;8import org.slf4j.LoggerFactory;9import org.testng.Assert;10import org.testng.annotations.Test;11public class RadioButtonTest {12    private WebDriver driver;13    private final String URL = "http://practice.cybertekschool.com/radio_buttons";14    Logger logger;15    org.testng.log4testng.Logger l = org.testng.log4testng.Logger.getLogger(RadioButtonTest.class);16    public RadioButtonTest(){17        this.driver = WebDriverFactory.getDriver();18        logger = LoggerFactory.getLogger(RadioButtonTest.class);19    }20    @Test21    public void testRadioButton(){22//        driver.manage().window().fullscreen();23        driver.get(this.URL);24        WebElement blueRadioButton = driver.findElement(By.id("blue"));25       Assert.assertTrue(blueRadioButton.isSelected(), "blue not selected");26       Assert.assertTrue(blueRadioButton.isDisplayed(), "bue not displayed");27       Assert.assertTrue(blueRadioButton.isEnabled(), "blue button not enabled");28        WebElement greenRadioButton = driver.findElement(By.id("green"));29        Assert.assertFalse(greenRadioButton.isSelected(), "green not selected");30        Assert.assertTrue(greenRadioButton.isDisplayed(), "green not displayed");31        Assert.assertFalse(greenRadioButton.isEnabled(), "green button not enabled");32        logger.info("Test have compledted successfully!");...

Source:GenerateLogs.java

1package org.practice.learning.driversmanagers;2import org.openqa.selenium.WebDriver;3import org.openqa.selenium.chrome.ChromeDriver;4import org.testng.log4testng.Logger;5    public class GenerateLogs {6        //dont use this one we have created seperate project for this concept7        public static void main(String[] args) {8//select org testng log4testng here ,there are so many loggers ,not works all.9            Logger logger = Logger.getLogger(org.practice.learning.driversmanagers.GenerateLogs.class);10            System.setProperty("webdriver.chrome.driver","C:\\Users\\Parita Patel\\Desktop\\WebDrivers\\chromedriver.exe");11            WebDriver driver=new ChromeDriver();12            logger.info("launching browser");13            driver.get("http://www.google.com");14            logger.info("google url has been launched");15            String title = driver.getTitle();16            System.out.println("title value is :" + title);17            logger.info("title value is :" + title);18            if (title.equals("Google")){19                System.out.println("correct title is Google");20                logger.info("correct title is Google and test cases is passed");21            }else {22                System.out.println("correct title is not Google");23                logger.info("correct title is not Google and test cases is failed");...

Source:13b12.java

1diff --git a/src/main/java/org/testng/log4testng/Logger.java b/src/main/java/org/testng/log4testng/Logger.java2index 518c122..1f9948a 1007553--- a/src/main/java/org/testng/log4testng/Logger.java4+++ b/src/main/java/org/testng/log4testng/Logger.java5@@ -424,7 +424,7 @@6         return level.intValue();7       }8       int dot= name.lastIndexOf('.');9-      if(dot != -1) {10+      if(dot == -1) {11         loglog4testng("Found level " + rootLoggerLevel + " for root logger");12 13         // Logger name not found. Defaults to root logger level....

Source:TestSuiteListener.java

1package qaf.example.listners;2import org.testng.log4testng.Logger;3import com.qmetry.qaf.automation.testng.pro.QAFSuiteListener;4public class TestSuiteListener extends QAFSuiteListener{5	protected final static Logger logger=Logger.getLogger(TestSuiteListener.class);6}...

Source:LoggerClass.java

1package org.mindbenders.makemytrip.utilities;2import org.testng.log4testng.Logger;3public class LoggerClass {4    static Logger log = Logger.getLogger(LoggerClass.class);5}...

Source:Testlogger.java

1package com.testlogger;2import org.testng.log4testng.Logger;3public class Testlogger {4	final static Logger logger=Logger.getLogger(Testlogger.class);5	6}...

Logger

Using AI Code Generation

1Logger log = Logger.getLogger("Logger");2org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger("Logger");3org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger("Logger");4org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory.getLog("Logger");5org.apache.logging.log4j.Logger log = org.apache.logging.log4j.LogManager.getLogger("Logger");6java.util.logging.Logger log = java.util.logging.Logger.getLogger("Logger");7org.jboss.logging.Logger log = org.jboss.logging.Logger.getLogger("Logger");8org.apache.logging.log4j.Logger log = org.apache.logging.log4j.LogManager.getLogger("Logger");9org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");10org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");11org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");12org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");13org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");14org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");15org.slf4j.Logger log = org.apache.logging.slf4j.Log4jLoggerFactory.getLogger("Logger");

Logger

Using AI Code Generation

1import org.testng.log4testng.Logger;2import org.testng.annotations.Test;3public class TestLogger {4    private static Logger log = Logger.getLogger(TestLogger.class);5    public void testLogger() {6        log.debug("This is a debug message");7        log.info("This is an info message");8        log.warn("This is a warn message");9        log.error("This is an error message");10        log.fatal("This is a fatal message");11    }12}

Logger

Using AI Code Generation

1import org.testng.log4testng.Logger;2Logger log = Logger.getLogger(this.getClass());3import org.apache.log4j.Logger;4Logger log = Logger.getLogger(this.getClass());5import org.apache.logging.log4j.LogManager;6import org.apache.logging.log4j.Logger;7Logger log = LogManager.getLogger(this.getClass());8import org.slf4j.Logger;9import org.slf4j.LoggerFactory;10Logger log = LoggerFactory.getLogger(this.getClass());11import org.apache.commons.logging.Log;12import org.apache.commons.logging.LogFactory;13Log log = LogFactory.getLog(this.getClass());14import org.apache.log4j.Logger;15Logger log = Logger.getLogger(this.getClass());16import org.apache.logging.log4j.LogManager;17import org.apache.logging.log4j.Logger;18Logger log = LogManager.getLogger(this.getClass());19import org.slf4j.Logger;20import org.slf4j.LoggerFactory;21Logger log = LoggerFactory.getLogger(this.getClass());22import org.apache.commons.logging.Log;23import org.apache.commons.logging.LogFactory;24Log log = LogFactory.getLog(this.getClass());25import org.apache.log4j.Logger;26Logger log = Logger.getLogger(this.getClass());27import org.apache.logging.log4j.LogManager;28import org.apache.logging.log4j.Logger;29Logger log = LogManager.getLogger(this.getClass());30import org.slf4j.Logger;31import org.slf4j.LoggerFactory;32Logger log = LoggerFactory.getLogger(this.getClass());33import org.apache.commons.logging.Log;34import org.apache.commons.logging.Log

Logger

Using AI Code Generation

1import org.testng.log4testng.Logger;2import org.testng.annotations.Test;3import org.testng.annotations.BeforeMethod;4import org.testng.annotations.AfterMethod;5public class TestNGLogger {6	private static final Logger logger = Logger.getLogger(TestNGLogger.class);7	public void beforeMethod() {8		logger.info("TestNGLogger.beforeMethod()");9	}10	public void afterMethod() {11		logger.info("TestNGLogger.afterMethod()");12	}13	public void testLogger() {14		logger.info("TestNGLogger.testLogger()");15	}16}

Logger

Using AI Code Generation

1import org.testng.log4testng.Logger;2private static Logger log = Logger.getLogger(TestSample.class);3log.info("This is a log message");4log.debug("This is a debug message");5log.warn("This is a warn message");6log.error("This is a error message");7log.fatal("This is a fatal message");8import org.apache.log4j.Logger;9private static Logger log = Logger.getLogger(TestSample.class);10log.info("This is a log message");11log.debug("This is a debug message");12log.warn("This is a warn message");13log.error("This is a error message");14log.fatal("This is a fatal message");15import org.apache.commons.logging.Log;16import org.apache.commons.logging.LogFactory;17private static Log log = LogFactory.getLog(TestSample.class);18log.info("This is a log message");19log.debug("This is a debug message");20log.warn("This is a warn message");21log.error("This is a error message");22log.fatal("This is a fatal message");23import org.slf4j.Logger;24import org.slf4j.LoggerFactory;25private static Logger log = LoggerFactory.getLogger(TestSample.class);26log.info("This is a log message");27log.debug("This is a debug message");28log.warn("This is a warn message");29log.error("This is a error message");30log.fatal("This is a fatal message");31import org.apache.logging.log4j.LogManager;32import org.apache.logging.log4j.Logger;33private static Logger log = LogManager.getLogger(TestSample.class);34log.info("This is a log message");35log.debug("This is a debug message");36log.warn("This is a warn message");37log.error("This is a error message");38log.fatal("This is a fatal message");39import org.jboss.logging.Logger;40private static Logger log = Logger.getLogger(TestSample.class);41log.info("This is a log message");42log.debug("This is a debug message");43log.warn("This is a warn message");44log.error("This is a error message");45log.fatal("This is a fatal message");46import org

Logger

Using AI Code Generation

1import org.testng.log4testng.Logger;2private static final Logger logger = Logger.getLogger(ClassName.class);3logger.info("This is an info message");4logger.warn("This is a warning message");5logger.error("This is an error message");6logger.fatal("This is a fatal message");7import org.apache.log4j.Logger;8private static final Logger logger = Logger.getLogger(ClassName.class);9logger.info("This is an info message");10logger.warn("This is a warning message");11logger.error("This is an error message");12logger.fatal("This is a fatal message");13import org.apache.logging.log4j.Logger;14import org.apache.logging.log4j.LogManager;15private static final Logger logger = LogManager.getLogger(ClassName.class);16logger.info("This is an info message");17logger.warn("This is a warning message");18logger.error("This is an error message");19logger.fatal("This is a fatal message");20import org.slf4j.Logger;21import org.slf4j.LoggerFactory;22private static final Logger logger = LoggerFactory.getLogger(ClassName.class);23logger.info("This is an info message");24logger.warn("This is a warning message");25logger.error("This is an error message");26logger.fatal("This is a fatal message");27import org.slf4j.Logger;28import org.slf4j.LoggerFactory;29private static final Logger logger = LoggerFactory.getLogger(ClassName.class);30logger.info("This is an info message");31logger.warn("This is a warning message");32logger.error("This is an error message");33logger.fatal("This is a fatal message");34import org.apache.commons.logging.Log;35import org.apache.commons.logging.LogFactory;36private static final Log logger = LogFactory.getLog(ClassName.class);

Source: SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder"

1import java.io.BufferedReader;2import java.io.FileReader;3import java.io.IOException;4import com.google.gson.Gson;56public class GsonExample {7    public static void main(String[] args) {89    Gson gson = new Gson();1011    try {1213        BufferedReader br = new BufferedReader(14            new FileReader("c:\\file.json"));1516        //convert the json string back to object17        DataObject obj = gson.fromJson(br, DataObject.class);1819        System.out.println(obj);2021    } catch (IOException e) {22        e.printStackTrace();23    }2425    }26}27

Source:SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder"

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import com.google.gson.Gson;

public class GsonExample {
    public static void main(String[] args) {

    Gson gson = new Gson();

    try {

        BufferedReader br = new BufferedReader(
            new FileReader("c:\\file.json"));

        //convert the json string back to object
        DataObject obj = gson.fromJson(br, DataObject.class);

        System.out.println(obj);

    } catch (IOException e) {
        e.printStackTrace();
    }

    }
}

Source: IntelliJ inspection gives "Cannot resolve symbol" but still compiles code

1JSONObject jsonObj = new JSONObject(<jsonStr>);2

Source: How to call getClass() from a static method in Java?

1Employee employee = null;2ObjectMapper mapper = new ObjectMapper();3try {4    employee =  mapper.readValue(newFile("/home/sumit/employee.json"), Employee.class);5} 6catch(JsonGenerationException e) {7    e.printStackTrace();8}9

Source:How to call getClass() from a static method in Java?

Employee employee = null;
ObjectMapper mapper = new ObjectMapper();
try {
    employee =  mapper.readValue(newFile("/home/sumit/employee.json"), Employee.class);
} 
catch(JsonGenerationException e) {
    e.printStackTrace();
}

TestNG tutorial

TestNG is a Java-based open-source framework for test automation that includes various test types, such as unit testing, functional testing, E2E testing, etc. TestNG is in many ways similar to JUnit and NUnit. But in contrast to its competitors, its extensive features make it a lot more reliable framework. One of the major reasons for its popularity is its ability to structure tests and improve the scripts' readability and maintainability. Another reason can be the important characteristics like the convenience of using multiple annotations, reliance, and priority that make this framework popular among developers and testers for test design. You can refer to the TestNG tutorial to learn why you should choose the TestNG framework.

Chapters

JUnit 5 vs. TestNG: Compare and explore the core differences between JUnit 5 and TestNG from the Selenium WebDriver viewpoint.
Installing TestNG in Eclipse: Start installing the TestNG Plugin and learn how to set up TestNG in Eclipse to begin constructing a framework for your test project.
Create TestNG Project in Eclipse: Get started with creating a TestNG project and write your first TestNG test script.
Automation using TestNG: Dive into how to install TestNG in this Selenium TestNG tutorial, the fundamentals of developing an automation script for Selenium automation testing.
Parallel Test Execution in TestNG: Here are some essential elements of parallel testing with TestNG in this Selenium TestNG tutorial.
Creating TestNG XML File: Here is a step-by-step tutorial on creating a TestNG XML file to learn why and how it is created and discover how to run the TestNG XML file being executed in parallel.
Automation with Selenium, Cucumber & TestNG: Explore for an in-depth tutorial on automation using Selenium, Cucumber, and TestNG, as TestNG offers simpler settings and more features.
JUnit Selenium Tests using TestNG: Start running your regular and parallel tests by looking at how to run test cases in Selenium using JUnit and TestNG without having to rewrite the tests.
Group Test Cases in TestNG: Along with the explanation and demonstration using relevant TestNG group examples, learn how to group test cases in TestNG.
Prioritizing Tests in TestNG: Get started with how to prioritize test cases in TestNG for Selenium automation testing.
Assertions in TestNG: Examine what TestNG assertions are, the various types of TestNG assertions, and situations that relate to Selenium automated testing.
DataProviders in TestNG: Deep dive into learning more about TestNG's DataProvider and how to effectively use it in our test scripts for Selenium test automation.
Parameterization in TestNG: Here are the several parameterization strategies used in TestNG tests and how to apply them in Selenium automation scripts.
TestNG Listeners in Selenium WebDriver: Understand the various TestNG listeners to utilize them effectively for your next plan when working with TestNG and Selenium automation.
TestNG Annotations: Learn more about the execution order and annotation attributes, and refer to the prerequisites required to set up TestNG.
TestNG Reporter Log in Selenium: Find out how to use the TestNG Reporter Log and learn how to eliminate the need for external software with TestNG Reporter Class to boost productivity.
TestNG Reports in Jenkins: Discover how to generate TestNG reports in Jenkins if you want to know how to create, install, and share TestNG reports in Jenkins.

Certification

You can push your abilities to do automated testing using TestNG and advance your career by earning a TestNG certification. Check out our TestNG certification.