Incremental Testing
Incremental testing is a software testing approach where modules or components are integrated and tested one at a time, building up the system gradually rather than testing everything at once. It involves adding new modules to an already tested set, verifying the interactions and functionality at each step to catch integration issues early. This method is often contrasted with big-bang testing, where all components are combined and tested simultaneously.
Developers should use incremental testing in complex projects with many interdependent modules, as it helps identify integration bugs early, reduces debugging time, and allows for more manageable testing phases. It is particularly useful in agile or iterative development environments where features are added incrementally, ensuring that each new addition works correctly with the existing codebase. This approach also supports continuous integration practices by enabling frequent, small-scale tests.