the Gecko path is not working

Question

package firsttestngpackage;

import org.openqa.selenium.*;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.testng.Assert;
import org.testng.annotations.*;

public class FirstTextNGFile {

   public String baseUrl = "http://newtours.demoaut.com/";
   public WebDriver driver = new FirefoxDriver();

   @Test
   public void verifyHomepageTitle() {
      System.setProperty("webdriver.gecko.driver","c:\\geckodriver-v0.24.0-win64\\geckodriver.exe");
      driver.get(baseUrl);
      String expectedTitle = "Welcome: Mercury Tours";
      String actualTitle = driver.getTitle();
      Assert.assertEquals(actualTitle,  expectedTitle);
      driver.quit();
   }
}

What am I doing wrong here?

Answer 1

Your code cannot work, you need to call

System.setProperty("webdriver.gecko.driver","c:\\geckodriver-v0.24.0-win64\\geckodriver.exe");

Before

public WebDriver driver = new FirefoxDriver();

Because the new FirefoxDriver creates a new instance and tries to find the geckodriver somewhere in your path, unless give it a specific path first. After this it will start the test code.

I would use the TestNG [setUp()][1] method to configure the driver before the test:

public class FirstTextNGFile {

 public WebDriver driver;

 @BeforeClass
 public void setUp() {
   System.setProperty("webdriver.gecko.driver","c:\\geckodriver-v0.24.0-win64\\geckodriver.exe");
   driver = new FirefoxDriver()
 }

 @Test
 public void verifyHomepageTitle() {
   // test code
 }
}