Implementing the Luhn Algorithm in Robot Framework

Learn how to implement the `Luhn Algorithm` in Robot Framework with our easy-to-follow guide. Get practical examples and code snippets to help you get started!
---
This video is based on the question https://stackoverflow.com/q/65881409/ asked by the user 'Step' ( https://stackoverflow.com/u/5328484/ ) and on the answer https://stackoverflow.com/a/65900041/ provided by the user 'Step' ( https://stackoverflow.com/u/5328484/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Luhn algorithm Robot Framework

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/licensing
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Implementing the Luhn Algorithm in Robot Framework: A Step-by-Step Guide

The Luhn algorithm is a simple checksum formula used to validate a variety of identification numbers, most notably credit card numbers. If you're new to the Robot Framework and looking to implement this algorithm but feel stuck, you've come to the right place! In this guide, we'll guide you through the process of converting the Luhn algorithm from Python code to Robot Framework.

Understanding the Luhn Algorithm

The Luhn algorithm is designed to determine if a number is valid according to its checksum. Below is a brief overview of how this algorithm works:

Double every second digit from the right.

If doubling a digit results in a number greater than 9, subtract 9 from it.

Sum all the digits.

A number is valid if the total modulo 10 is equal to zero.

This algorithm is often employed in financial systems to ensure that card numbers are entered correctly.

Converting Python Code to Robot Framework

Now that we have a foundational understanding of the Luhn algorithm, let's translate the provided Python code into Robot Framework syntax.

Original Python Code

Here's the original Python function to check the Luhn checksum:

[[See Video to Reveal this Text or Code Snippet]]

Robot Framework Implementation

Let's break down the implementation step by step. Below, you will find the equivalent Robot Framework code:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Robot Framework Code

Here’s a breakdown of the code:

Setup and Teardown: The setup keyword prepares the necessary conditions before the test case runs, while the tearDown keyword cleans up afterward.

Getting Card Number: The line ${ICCID} Card.get ICCID retrieves the ICCID needed for the checksum validation.

Loop to Process Each Digit:

A loop iterates through each digit of the card number.

Convert To Integer ensures we’re working with numerical digits for calculations.

Conditions check whether to double the number or to adjust it if it exceeds single digits after doubling.

Final Check: After processing all digits, the algorithm checks if the total sum modulo 10 equals zero to determine the validity of the card number.

Conclusion

Implementing the Luhn Algorithm in Robot Framework doesn't have to be daunting, as this structured approach clearly illustrates the necessary steps. By carefully translating each part of the algorithm and testing your implementation, you can validate card numbers effectively.

Be sure to test your code thoroughly to ensure accuracy! If you have any more questions about using the Robot Framework or coding in general, feel free to reach out in the comments below.

Видео Implementing the Luhn Algorithm in Robot Framework канала vlogize