Sung Jin's CS Devlopemnt Blog

  The article “Comprehensive Guide to Equivalence Partitioning Testing” from TestGrid explains an important software testing technique used to design efficient test cases. Equivalence partitioning is a black-box testing method where input data is divided into groups, or “partitions,” that are expected to behave the same way in the system. Instead of testing every possible input value, testers can choose one representative value from each partition to verify the system’s behavior. This approach reduces the number of test cases while still maintaining good test coverage. The article explains how the equivalence partitioning is useful when the range of possible inputs is large and testing every value would be wasting time. By grouping similar inputs together, testers assume that if one value in the group works correctly, the rest of the values in that group should behave the same way. For example, if a form only accepts ages between 18 and 59, the test cases can be divided into thr...

  The article “What Is a REST API? Examples, Uses, and Challenges”, published on the Postman blog, provides an accessible overview of REST APIs. Rest Api works as a backbone in modern web communication. It explains that a REST API (Representational State Transfer) is a standardized way for systems to exchange data over the web using common HTTP methods such as GET, POST, PUT, and DELETE. It briefly explains the history of the rest api and the comparing to Simple Object Access Protocol (SOAP) api which required strict message formatting and heavier data exchange while REST api emerged as a lighter and more flexible architectural style built on standard HTTP methods. The piece also informs best practices for using REST api like using correct HTTP status codes, providing helpful error messages, enforcing security through HTTPS and tokens, In the end, the article shows real-world examples from well-known platforms like Twitter, Instagram, Amazon S3, and Plaid, showing how REST APIs a...