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Unit tests are a tireless guard that overwatch your software to ensure it always behaves as it's expected.
In this series I'll introduce to you its basic concepts.
Description: Validates that a unit of code behaves correctly in a simulated situation. Features: VERY fast Run 100% in memory Replicable in any environment Independent from other unit tests Run before, during and after development Only validates one...
Description: Instructions executed from a process' entry point until its ending with a verifiable result through one or multiple exit points. Composition: Entry point Body Exit point(s) class Calculator { private currentResult: number = 0; // ...
PUBLIC interface through which we can communicate with a unit of code to trigger its process. Indicates the name, received parameters and the return type obtained when the unit of code is executed. A unit of code ONLY HAS ONE ENTRY POINT /** Entry po...
Of a unit of code
Description: Result (verifiable externally) obtained by executing a unit of code. Types (RED): Return value. (Easiest to verify). Effect, change of state Dependency, call to external. (Hardest to verify) let currentValue = 0; function additionWith...
Return value is the result directly obtained after executing a unit of code, usually denoted by the reserved word return It's the easiest exit point to verify because, after getting the value returned by the unit of code, we can compare it with the e...
