The ykn function within the mock-jutsu library is an essential tool for developers and QA engineers requiring realistic identity identifiers for foreign nationals. In many administrative systems, a Foreigner Identification Number (YKN) serves as a unique key for tracking non-citizens. Generating high-quality mock data for this specific field is vital for ensuring that application logic, particularly registration and verification workflows, functions correctly without compromising sensitive personal information. By using mock-jutsu, technical teams can produce valid strings that mirror real-world formats, facilitating robust and secure testing environments.
At the core of the ykn generation process is a rigorous adherence to the Modulo 10/11 validation algorithm. This mathematical standard ensures that each eleven-digit number generated is sound and would pass the checksum filters of most government or banking databases. The algorithm calculates the final check digits based on the preceding sequence, preventing the common pitfalls of using random numeric strings that would fail validation scripts. This level of precision in test data allows developers to simulate edge cases and boundary conditions effectively, ensuring that their systems handle identity verification with the necessary accuracy and compliance.
Integrating this function into your development lifecycle is seamless, whether you are working in a Python environment, using the command-line interface, or conducting performance tests via JMeter. For instance, calling jutsu.generate('ykn') in a Python script or using the ${__mockjutsu(ykn,)} syntax in JMeter provides instant access to valid identifiers. This versatility makes mock-jutsu a preferred choice for automated testing pipelines where speed and reliability are paramount. By automating the creation of these identifiers, teams can reduce the manual effort involved in data preparation and focus on core feature development using an optimised workflow.
Beyond simple data entry, the ykn function is invaluable for testing complex scenarios such as Know Your Customer (KYC) compliance, tax portal integrations, and visa processing simulators. Using authentic-looking test data ensures that user interface components, such as input masks and validation error messages, are triggered correctly under the right conditions. Ultimately, leveraging mock-jutsu for identity generation helps maintain data integrity across the software development lifecycle, providing a professional and efficient solution for modern engineering teams who demand high-fidelity datasets for their staging and testing platforms.
mockjutsu generate yknmockjutsu bulk ykn --count 10mockjutsu export ykn --count 10 --format jsonmockjutsu export ykn --count 10 --format csvmockjutsu export ykn --count 10 --format sql# --mask: regulation-compliant output (PCI DSS / GDPR / KVKK)mockjutsu generate ykn --maskmockjutsu bulk ykn --count 5 --maskfrom mockjutsu import jutsujutsu.generate('ykn')jutsu.bulk('ykn', count=10)jutsu.template(['ykn'], count=5)# mask=True: regulation-compliant outputjutsu.generate('ykn', mask=True)jutsu.bulk('ykn', count=5, mask=True)${__mockjutsu_identity(ykn)}# JMeter Function: __mockjutsu_identity# Parameter 1: ykn# Parameter 2: (not required for this function)# Add 'mask' keyword to get a regulation-compliant masked value${__mockjutsu_identity(ykn,mask)}GET /generate/ykn# → {"type":"ykn","result":"...","status":"ok"}GET /bulk/ykn?count=10POST /template {"types":["ykn"],"count":1}# mask=true: regulation-compliant outputGET /generate/ykn?mask=trueGET /bulk/ykn?count=5&mask=true| Parameter | Values | Description |
|---|---|---|
| --mask | true | false | Return a regulation-compliant masked value (PCI DSS, GDPR, KVKK…) |