What are the components of Selenium?

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What are the components of Selenium?

 1. Selenium WebDriver

What it is: A core component that directly communicates with the browser to execute test scripts.

Purpose: Automates browser actions like clicking, typing, navigating, and validating elements.

Supports: All major browsers (Chrome, Firefox, Edge, Safari).

Languages: Java, Python, C#, Ruby, JavaScript, Kotlin, etc.

✅ Example Use Case: Automating login functionality in a web application.

🔹 2. Selenium IDE (Integrated Development Environment)

What it is: A browser extension (for Chrome and Firefox) that allows record-and-playback of tests.

Purpose: Helps beginners and non-programmers create quick test cases without writing code.

Best For: Simple testing scenarios or learning test automation basics.

✅ Example Use Case: Quickly recording a user's path through a form for a smoke test.

🔹 3. Selenium Grid

What it is: A tool used to run tests on multiple machines and browsers in parallel.

Purpose: Supports distributed testing, reducing total test execution time and enabling cross-browser testing.

Architecture: Consists of a Hub (central point) and Nodes (machines with different browsers/OS).

✅ Example Use Case: Running a single test suite across Chrome on Windows, Firefox on Linux, and Safari on macOS simultaneously.

🔹 4. Selenium RC (Remote Control) ❌ [Deprecated]

What it was: The original version of Selenium for automating browser interaction using a server.

Why deprecated: WebDriver replaced it as it provided a more robust and modern API.

🔹 5. Selenium Client API / Language Bindings

What it is: Libraries provided in different programming languages to write tests using WebDriver.

Available for: Java, Python, C#, JavaScript, Ruby, and more.

Purpose: Allows testers to write tests in the language they are most comfortable with.

Read More:

How do you set up Selenium WebDriver with Java in Eclipse?

What is Selenium?

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