NPM Selenium Webdriver

Using Selenium WebDriver with Node.js involves utilizing the selenium-webdriver package, which is available via npm (Node Package Manager). This allows you to write automated web application tests in JavaScript, harnessing the power of Selenium for browser automation. Here’s a guide on how to set it up and use it:

Setting Up Selenium WebDriver with Node.js

Install Node.js: Ensure you have Node.js installed on your machine. You can download it from nodejs.org.
Initialize Your Project:
- Create a new directory for your project.
- Initialize a new npm project by running npm init in your project directory and following the prompts.
Install Selenium WebDriver:
- Install the selenium-webdriver package by running:
  bash
  npm install selenium-webdriver
Install Browser Drivers:
- You need to install drivers for each browser you want to automate. For instance, for Chrome, you can install chromedriver.
- Install it via npm:
  bash
  npm install chromedriver
- Ensure that the driver is in your system’s PATH, or provide the path in your script.

Writing a Basic Selenium WebDriver Script in JavaScript

Here’s an example of a simple script to open a web page and perform a basic action using Selenium WebDriver in JavaScript:

javascript

const { Builder, By, Key, until } = require('selenium-webdriver');
const chrome = require('selenium-webdriver/chrome');

async function example() {
    let driver = await new Builder().forBrowser('chrome').build();
    try {
        // Navigate to a URL
        await driver.get('https://www.google.com');

        // Find an element and interact with it
        let searchBox = await driver.findElement(By.name('q'));
        await searchBox.sendKeys('Selenium', Key.RETURN);

        // Wait for the results page and check the title
        await driver.wait(until.titleContains('Selenium'), 1000);
    } finally {
        // Quit the browser session
        await driver.quit();
    }
}

example();

Running the Script

Run your script using Node.js:
bash
node your_script.js
The script will open a Chrome browser window, navigate to Google, perform a search, and then close the browser.

Best Practices

Error Handling: Incorporate try/catch blocks for better error handling.
Asynchronous Execution: Use async/await for handling asynchronous operations in your scripts.
Modularization: Organize your code into functions or modules for reusability and maintainability.
Use of Page Object Model (POM): Implement POM for more complex tests to separate the page structure from the test logic.

Demo Day 1 Video:

You can find more information about Selenium in this Selenium Link

Conclusion:

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