Learn how to configure and run your Java automation testing scripts on LambdaTest platform using TestNG.

• Pre-requisites
• Run Your First Test
• Parallel Testing With TestNG
• Local Testing With TestNG
• Additional Links

Before you can start performing Java automation testing with Selenium, you would need to:

• Install the latest Java development environment i.e. JDK 1.6 or higher. We recommend using the latest version.

• Download the latest Selenium Client and its WebDriver bindings from the official website. Latest versions of Selenium Client and WebDriver are ideal for running your automation script on LambdaTest Selenium cloud grid.

• Install Maven which supports TestNG framework out of the box. Maven can be downloaded and installed following the steps from the official website. Maven can also be installed easily on Linux/MacOS using Homebrew package manager.

Step 1: Clone the LambdaTest’s Java-TestNG-Selenium repository and navigate to the code directory as shown below:

git clone https://github.com/LambdaTest/Java-TestNG-Selenium cd Java-TestNG-Selenium

You may also want to run the command below to check for outdated dependencies.

mvn versions:display-dependency-updates

Make sure you have your LambdaTest credentials with you to run test automation scripts on LambdaTest Selenium Grid. You can obtain these credentials from the LambdaTest Automation Dashboard or through LambdaTest Profile.

Step 2: Set LambdaTest Username and Access Key in environment variables.

• For Linux/macOS:

export LT_USERNAME="YOUR_USERNAME" export LT_ACCESS_KEY="YOUR ACCESS KEY"

• For Windows:

set LT_USERNAME="YOUR_USERNAME" set LT_ACCESS_KEY="YOUR ACCESS KEY"

//TestNG Todo : Sample App import org.openqa.selenium.By; import org.openqa.selenium.Platform; import org.openqa.selenium.WebDriver; import org.openqa.selenium.remote.DesiredCapabilities; import org.openqa.selenium.remote.RemoteWebDriver; import org.testng.Assert; import org.testng.annotations.AfterClass; import org.testng.annotations.BeforeClass; import org.testng.annotations.Test; import java.net.MalformedURLException; import java.net.URL; public class TestNGTodo{ public String username = "YOUR_LAMBDATEST_USERNAME"; public String accesskey = "YOUR_LAMBDATEST_ACCESS_KEY"; public static RemoteWebDriver driver = null; public String gridURL = "@hub.lambdatest.com/wd/hub"; boolean status = false; @BeforeClass public void setUp() throws Exception { DesiredCapabilities capabilities = new DesiredCapabilities(); capabilities.setCapability("browserName", "chrome"); capabilities.setCapability("version", "70.0"); capabilities.setCapability("platform", "win10"); // If this cap isn't specified, it will just get the any available one capabilities.setCapability("build", "LambdaTestSampleApp"); capabilities.setCapability("name", "LambdaTestJavaSample"); try { driver = new RemoteWebDriver(new URL("https://" + username + ":" + accesskey + gridURL), capabilities); } catch (MalformedURLException e) { System.out.println("Invalid grid URL"); } catch (Exception e) { System.out.println(e.getMessage()); } } @Test public void testSimple() throws Exception { try {//Change it to production page driver.get("https://lambdatest.github.io/sample-todo-app/"); //Let's mark done first two items in the list. driver.findElement(By.name("li1")).click(); driver.findElement(By.name("li2")).click(); // Let's add an item in the list. driver.findElement(By.id("sampletodotext")).sendKeys("Yey, Let's add it to list"); driver.findElement(By.id("addbutton")).click(); // Let's check that the item we added is added in the list. String enteredText = driver.findElementByXPath("/html/body/div/div/div/ul/li[6]/span").getText(); if (enteredText.equals("Yey, Let's add it to list")) { status = true; } } catch (Exception e) { System.out.println(e.getMessage()); } } @AfterClass public void tearDown() throws Exception { if (driver != null) { ((JavascriptExecutor) driver).executeScript("lambda-status=" + status); driver.quit(); } } }

Step 3: In the test script, you need to update your test capabilities. In this code, we are passing browser, browser version, and operating system information, along with LambdaTest Selenium grid capabilities via capabilities object. The capabilities object in the above code are defined as:

DesiredCapabilities capabilities = new DesiredCapabilities(); capabilities.setCapability("browserName", "chrome"); capabilities.setCapability("version", "70.0"); capabilities.setCapability("platform", "win10"); // If this cap isn't specified, it will just get the any available one capabilities.setCapability("build", "LambdaTestSampleApp"); capabilities.setCapability("name", "LambdaTestJavaSample");

Note: You can generate capabilities for your test requirements with the help of our inbuilt Capabilities Generator tool.

Step 4: The tests can be executed in the terminal using the following command.

mvn test -D suite=single.xml

Your test results would be displayed on the test console (or command-line interface if you are using terminal/cmd) and on LambdaTest automation dashboard. LambdaTest Automation Dashboard will help you view all your text logs, screenshots and video recording for your entire automation tests.

Here is an example testng.xml file which would help you to run a single test on various browsers at the same time, you would also need to generate a testcase which makes use of TestNG framework parameters (org.testng.annotations.Parameters).

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd"> <suite thread-count="3" name="LambaTestSuite" parallel="tests"> <test name="WIN8TEST"> <parameter name="browser" value="firefox"/> <parameter name="version" value="62.0"/> <parameter name="platform" value="WIN8"/> <classes> <class name="LambdaTest.TestNGToDo"/> </classes> </test> <!-- Test --> <test name="WIN10TEST"> <parameter name="browser" value="chrome"/> <parameter name="version" value="79.0"/> <parameter name="platform" value="WIN10"/> <classes> <class name="LambdaTest.TestNGToDo"/> </classes> </test> <!-- Test --> <test name="MACTEST"> <parameter name="browser" value="safari"/> <parameter name="version" value="11.0"/> <parameter name="platform" value="macos 10.13"/> <classes> <class name="LambdaTest.TestNGToDo"/> </classes> </test> <!-- Test --> </suite>

To run parallel tests using TestNG, we would have to execute the below commands in the terminal:

• For the above example code

  mvn test

• For the cloned Java-TestNG-Selenium repo used to run our first sample test

  mvn test -D suite=parallel.xml

Your test results would be displayed on the test console (or command-line interface if you are using terminal/cmd) and on LambdaTest automation dashboard.

You can test your locally hosted or privately hosted projects with LambdaTest Selenium grid cloud using LambdaTest Tunnel app. All you would have to do is set up an SSH tunnel using LambdaTest Tunnel app and pass toggle tunnel = True via desired capabilities. LambdaTest Tunnel establishes a secure SSH protocol based tunnel that allows you in testing your locally hosted or privately hosted pages, even before they are made live.

Refer our LambdaTest Tunnel documentation for more information.

Here’s how you can establish LambdaTest Tunnel.

Download the binary file of:

• LambdaTest Tunnel for Windows
• LambdaTest Tunnel for Mac
• LambdaTest Tunnel for Linux

Open command prompt and navigate to the binary folder.

Run the following command:

LT -user {user’s login email} -key {user’s access key}

So if your user name is lambdatest@example.com and key is 123456, the command would be:

LT -user lambdatest@example.com -key 123456

Once you are able to connect LambdaTest Tunnel successfully, you would just have to pass on tunnel capabilities in the code shown below :

Tunnel Capability

DesiredCapabilities capabilities = new DesiredCapabilities(); capabilities.setCapability("tunnel", true);

• Advanced Configuration for Capabilities
• How to test locally hosted apps
• How to integrate LambdaTest with CI/CD

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