Integrating Selenium with TestNG in Real Projects

 Selenium is a powerful tool for automating web applications, and TestNG is a popular testing framework inspired by JUnit. When combined, they provide a robust framework for managing, executing, and reporting automated tests in real-world projects. This integration allows teams to write clean, scalable, and maintainable test suites with advanced features like parallel execution, grouping, and data-driven testing.

Why Integrate Selenium with TestNG?

While Selenium handles browser automation, it lacks built-in features for:

Test execution control

Test suite configuration

Reporting

TestNG fills these gaps by adding structure and flexibility to Selenium test scripts. This combination is ideal for enterprise-level testing where reliability and scalability are crucial.

Getting Started: Basic Setup

1. Add Dependencies

For Maven projects, include the following in your pom.xml:

xml

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<dependencies>

    <dependency>

        <groupId>org.seleniumhq.selenium</groupId>

        <artifactId>selenium-java</artifactId>

        <version>4.10.0</version>

    </dependency>

    <dependency>

        <groupId>org.testng</groupId>

        <artifactId>testng</artifactId>

        <version>7.7.0</version>

        <scope>test</scope>

    </dependency>

</dependencies>

2. Sample Selenium + TestNG Test

java

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import org.openqa.selenium.WebDriver;

import org.openqa.selenium.chrome.ChromeDriver;

import org.testng.annotations.*;

public class LoginTest {

    WebDriver driver;

    @BeforeMethod

    public void setup() {

        System.setProperty("webdriver.chrome.driver", "path/to/chromedriver");

        driver = new ChromeDriver();

        driver.get("https://example.com/login");

    }

    @Test

    public void testLogin() {

        // Your Selenium code for login here

        System.out.println("Login Test Executed");

    }

    @AfterMethod

    public void teardown() {

        driver.quit();

    }

}

Key Features in Real Projects

1. Parallel Execution

TestNG allows running tests in parallel to save time:

xml

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<suite name="Suite" parallel="tests" thread-count="2">

2. Data-Driven Testing

Use @DataProvider to pass multiple data sets:

java

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@DataProvider(name = "loginData")

public Object[][] data() {

    return new Object[][] {{"user1", "pass1"}, {"user2", "pass2"}};

}

3. Test Reports

TestNG automatically generates detailed HTML reports after execution.

Conclusion

Integrating Selenium with TestNG provides a structured and scalable test automation solution. It allows for better code organization, powerful test management, and easy reporting. In real-world projects, this integration is essential for building efficient, maintainable, and high-performing automation frameworks.

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