Selenium grid parallel run with different browser in distributed system.

pre requisites: jdk,  eclipse with testng.


1. Download selenium server standalone jar
2. open command prompt and cd to the folder - where you have "selenium server standalone jar" available
ex:
cd E:\Selenium

3. start the hub from command prompt:
java -jar selenium-server-standalone.jar -role hub

4. run two nodes in diff vm or diff system (Replace localhost with hub system IP)
java -jar selenium-server-standalone.jar -role node -hub http://localhost:4444

5.verify your grid setup in below url.
http://localhost:4444/grid/console

5. Create one java project and convert into testng project.add selenium jar to buildpath

6. Update your testng.xml file with below code

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Suite" parallel="methods">

  <test name="Democart">
    <classes>
       <class name="testng.GridParreleltests"/>
    </classes>
  </test>
</suite>

7. Crate one testng class(GridParreleltests) under grid package and write below codes.     note:- replace localhost with hub system IP.

package grid;

import java.net.MalformedURLException;
import java.net.URL;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.testng.annotations.Test;

public class GridParreleltests {

public static WebDriver driver;

@Test
  public void test1() throws MalformedURLException {

String hubUrl="http://localhost:4444/wd/hub";
DesiredCapabilities cap=  DesiredCapabilities.firefox();
  //cap.setPlatform(Platform.WINDOWS);
// cap.setVersion);
  cap.setBrowserName("firefox");
  System.out.println("before launch");
  driver =new RemoteWebDriver(new URL(hubUrl),cap);
  driver.get("http://www.google.com");
  System.out.println("after launch");

  }

@Test
public void test2() throws MalformedURLException {
String hubUrl="http://localhost:4444/wd/hub";
DesiredCapabilities cap=  DesiredCapabilities.chrome();
  //cap.setPlatform(Platform.WINDOWS);
// cap.setVersion);
  cap.setBrowserName("chrome");
  System.out.println("before launch");
  driver =new RemoteWebDriver(new URL(hubUrl),cap);
  driver.get("http://www.yahoo.com");
  System.out.println("after launch");
}
}

8. Right click on testng.xml and run as testng suite.