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Ashnet A
Ashnet A

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SELENIUM

_## Selenium is an open-source suite of tools for automating web browsers. It allows testers and developers to write scripts in various programming languages (like Python, Java, C#, etc.) to automate interactions with web applications—such as clicking buttons, entering text, or verifying UI elements. It allows you to mimic user actions—like clicking, typing, and navigating—on a web browser automatically, just like a human user would. Selenium is like a robot that opens your web browser, clicks on buttons, fills in forms, and checks if your website works correctly.

****Feature Description
Open Source Free to use with an active global community.
Cross-Browser Works with Chrome, Firefox, Edge, Safari, etc.
Multi-Language Support Supports Python, Java, C#, Ruby, JavaScript, etc.
Cross-Platform Can run tests on Windows, macOS, and Linux.

**We Use Selenium in Automation

Selenium is widely used in test automation for web applications because it:
• Simulates real user interactions with a browser.
• Supports multiple browsers (Chrome, Firefox, Edge, etc.).
• Supports multiple languages.
• Integrates with testing frameworks.
• Enables regression testing and continuous integration (CI/CD).

  1. Automates Web Browsers

      Selenium mimics human interactions with websites — clicking buttons, filling forms, scrolling, etc. — just like a real user would, making it ideal for:
    

    • Automated testing of web applications
    • Data scraping (when APIs aren't available)
    • Repetitive browser tasks


  2. Cross-Browser and Cross-Platform Support
    • Supports all major browsers: Chrome, Firefox, Safari, Edge, Opera.
    • Works on multiple platforms: Windows, macOS, Linux.


  3. Language Flexibility
    You can write Selenium scripts in several popular languages:
    • Python
    • Java
    • JavaScript
    • C#
    • Ruby
    This makes it versatile for teams with different tech stacks.


  4. Open Source and Free
    Selenium is open source, meaning no licensing cost — ideal for both individual developers and companies.


5.Headless Execution
Selenium can run in headless mode (no GUI), making it faster and useful for server-side automation.


  Selenium is an open-source suite of tools for automating web browsers. It allows testers and developers to write scripts in various programming languages (like Python, Java, C#, etc.) to automate interactions with web applications—such as clicking buttons, entering text, or verifying UI elements. It allows you to mimic user actions—like clicking, typing, and navigating—on a web browser automatically, just like a human user would. Selenium is like a robot that opens your web browser, clicks on buttons, fills in forms, and checks if your website works correctly.
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Feature Description
Open Source Free to use with an active global community.
Cross-Browser Works with Chrome, Firefox, Edge, Safari, etc.
Multi-Language Support Supports Python, Java, C#, Ruby, JavaScript, etc.
Cross-Platform Can run tests on Windows, macOS, and Linux.

We Use Selenium in Automation

Selenium is widely used in test automation for web applications because it:
• Simulates real user interactions with a browser.
• Supports multiple browsers (Chrome, Firefox, Edge, etc.).
• Supports multiple languages.
• Integrates with testing frameworks.
• Enables regression testing and continuous integration (CI/CD).

  1. Automates Web Browsers Selenium mimics human interactions with websites — clicking buttons, filling forms, scrolling, etc. — just like a real user would, making it ideal for: • Automated testing of web applications • Data scraping (when APIs aren't available) • Repetitive browser tasks ________________________________________
  2. Cross-Browser and Cross-Platform Support • Supports all major browsers: Chrome, Firefox, Safari, Edge, Opera. • Works on multiple platforms: Windows, macOS, Linux. ________________________________________
  3. Language Flexibility You can write Selenium scripts in several popular languages: • Python • Java • JavaScript • C# • Ruby This makes it versatile for teams with different tech stacks. ________________________________________
  4. Open Source and Free Selenium is open source, meaning no licensing cost — ideal for both individual developers and companies.

5.Headless Execution
Selenium can run in headless mode (no GUI), making it faster and useful for server-side automation.


Relevance of Selenium in Automation Testing Using Python
Python + Selenium is a powerful combo for automating web testing because:
• Python is simple and readable, making test scripts easier to write and maintain.
• Python has excellent support for libraries like pytest, unittest, and allure for reporting.
• Allows for data-driven testing with tools like pandas and openpyxl.
• Selenium's webdriver API is fully compatible with Python
• Python has a clean, readable syntax, which reduces development and debugging time.
• Great for beginners and experienced testers alike.
• Enables rapid test development and maintenance.
• Python supports Selenium WebDriver natively via the selenium package.
• Python makes writing and maintaining test scripts faster compared to verbose languages like Java.

• Both Selenium and Python are cross-platform and open source.
Components of Selenium:

  1. Selenium WebDriver – Core for automating browser actions.
  2. Selenium IDE – A Chrome/Firefox extension for recording and playing back tests.
  3. Selenium Grid – For running tests on multiple machines/browsers in parallel.
  4. Selenium RC (Remote Control) – Older component, now deprecated in favor of WebDriver. Selenium WebDriver : • Most widely used component • Allows you to write test scripts in various programming languages (e.g., Python, Java, C#, etc.) • Directly interacts with the web browser • Automates browser actions like clicking, typing, navigation, etc.

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