Test Script For Login Page In Selenium Webdriver

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As a software tester, one of the most important tasks is validating the functionality of a login page. Whether you are testing a web application or a mobile app, the login page serves as a gateway for users to access the system. In this article, I will guide you through the process of creating a test script for a login page using Selenium WebDriver. I will provide personal insights and share some valuable tips along the way. So, let’s dive into the world of automated testing!

Understanding Selenium WebDriver

Selenium WebDriver is a powerful open-source framework that allows you to automate the testing of web applications across different browsers. It provides a simple and intuitive interface to interact with web elements. With Selenium WebDriver, we can simulate user actions such as clicking buttons, entering text, and verifying the expected behavior of web pages.

Setting Up the Test Environment

Before we start writing our test script, we need to set up our test environment. Here are the steps:

  1. Install the necessary software: Selenium WebDriver, an Integrated Development Environment (IDE) such as Eclipse or IntelliJ, and the programming language of your choice (Java, Python, C#, etc.).
  2. Create a new project in your IDE and import the Selenium WebDriver library.
  3. Download the appropriate WebDriver executable for the browser you want to test (e.g. ChromeDriver for Google Chrome).
  4. Add the WebDriver executable to your project’s classpath.

Once your test environment is set up, we can proceed to write our test script.

Writing the Test Script

Let’s assume our login page has two input fields: one for the username and another for the password. We also have a “Login” button to submit the form. Our goal is to verify that a user can successfully log in with valid credentials and that an error message is displayed for invalid credentials.

Here’s an example test script:


import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

public class LoginTest {
  public static void main(String[] args) {
    // Set the path to the ChromeDriver executable
    System.setProperty("webdriver.chrome.driver", "path/to/chromedriver");

    // Create a new instance of the ChromeDriver
    WebDriver driver = new ChromeDriver();

    // Navigate to the login page
    driver.get("https://www.example.com/login");

    // Find the username and password input fields
    WebElement usernameField = driver.findElement(By.id("username"));
    WebElement passwordField = driver.findElement(By.id("password"));

    // Enter valid credentials
    usernameField.sendKeys("myusername");
    passwordField.sendKeys("mypassword");
    driver.findElement(By.id("loginButton")).click();

    // Check if login was successful
    if (driver.getCurrentUrl().equals("https://www.example.com/dashboard")) {
      System.out.println("Login successful!");
    } else {
      System.out.println("Login failed!");
    }

    // Close the browser
    driver.quit();
  }
}

In this script, we use Selenium WebDriver’s built-in methods to locate and interact with the username and password input fields. We then enter valid credentials, click the “Login” button, and verify if the user is redirected to the dashboard page (assuming a successful login).

Running the Test

To run our test script, simply execute the main() method in our LoginTest class. The script will launch a browser, navigate to the login page, perform the actions specified in the script, and validate the outcome.

Make sure to check the console output to see if the login was successful or if any errors occurred during the execution of the script.

Conclusion

In this article, we explored the process of creating a test script for a login page using Selenium WebDriver. We learned about the importance of automated testing and how Selenium WebDriver can help us in this endeavor. By following the steps outlined in this article, you can write effective test scripts to validate the functionality of login pages in your own projects.

Remember, automated testing is a powerful tool that can save you time and effort in the long run. By automating repetitive manual tests, you can focus on more critical aspects of your software development process. So, embrace the power of Selenium WebDriver and enhance the quality of your applications!