Selenium - Multi Browser Testing


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Users can execute scripts in multiple browsers simultaneously. For demonstration, we will use the same scenario that we had taken for Selenium Grid. In the Selenium Grid example, we had executed the scripts remotely; here we will execute the scripts locally.

First of all, ensure that you have appropriate drivers downloaded. Please refer the chapter "Selenium Grid" for downloading IE and Chrome drivers.

Example

For demonstration, we will perform percent calculator in all the browsers simultaneously.

package TestNG;

import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.*;
import org.testng.annotations.*;

public class TestNGClass {
   private WebDriver driver;
   private String URL = "http://www.calculator.net";

   @Parameters("browser")
   @BeforeTest
   public void launchapp(String browser) {

      if (browser.equalsIgnoreCase("firefox")) {
         System.out.println(" Executing on FireFox");
         driver = new FirefoxDriver();
         driver.get(URL);
         driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
         driver.manage().window().maximize();
      } else if (browser.equalsIgnoreCase("chrome")) {
         System.out.println(" Executing on CHROME");
         System.out.println("Executing on IE");
         System.setProperty("webdriver.chrome.driver", "D:\\chromedriver.exe");
         driver = new ChromeDriver();
         driver.get(URL);
         driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
         driver.manage().window().maximize();
      } else if (browser.equalsIgnoreCase("ie")) {
         System.out.println("Executing on IE");
         System.setProperty("webdriver.ie.driver", "D:\\IEDriverServer.exe");
         driver = new InternetExplorerDriver();
         driver.get(URL);
         driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
         driver.manage().window().maximize();
      } else {
         throw new IllegalArgumentException("The Browser Type is Undefined");
      }
   }

   @Test
   public void calculatepercent() {
      // Click on Math Calculators
      driver.findElement(By.xpath(".//*[@id = 'menu']/div[3]/a")).click();

      // Click on Percent Calculators
      driver.findElement(By.xpath(".//*[@id = 'menu']/div[4]/div[3]/a")).click();

      // Enter value 10 in the first number of the percent Calculator
      driver.findElement(By.id("cpar1")).sendKeys("10");

      // Enter value 50 in the second number of the percent Calculator
      driver.findElement(By.id("cpar2")).sendKeys("50");

      // Click Calculate Button
      driver.findElement(By.xpath(".//*[@id = 'content']/table/tbody/tr/td[2]/input")).click();

      // Get the Result Text based on its xpath
      String result =
         driver.findElement(By.xpath(".//*[@id = 'content']/p[2]/span/font/b")).getText();		 

      // Print a Log In message to the screen
      System.out.println(" The Result is " + result);

      if(result.equals("5")) {
         System.out.println(" The Result is Pass");
      } else {
         System.out.println(" The Result is Fail");
      }
   }

   @AfterTest
   public void closeBrowser() {
      driver.close();
   }
}

Create an XML which will help us in parameterizing the browser name and don't forget to mention parallel="tests" in order to execute in all the browsers simultaneously.

selenium_ide_169

Execute the script by performing right-click on the XML file and select 'Run As' >> 'TestNG' Suite as shown below.

selenium_ide_139

Output

All the browser would be launched simultaneously and the result would be printed in the console.

Note − To execute on IE successfully, ensure that the check box 'Enable Protected Mode' under the security Tab of 'IE Option' is either checked or unchecked across all zones.

selenium_ide_170

TestNG results can be viewed in HTML format for detailed analysis.

selenium_ide_171
selenium_test_design_techniques.htm
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