3W’s of testing

3 W’s of Testing: (What, Why, When)

Testing is a vital aspect of software development, aimed at evaluating the system or its component(s) to determine whether they meet the specified requirements. It detects errors and defects that could affect user experience.

Its importance stems from the crucial role that Information Technology systems play in the functioning of modern businesses. These systems are responsible for handling sensitive information, and it is of utmost importance to ensure their proper functioning. Consequently, testing serves as a means of identifying and rectifying errors and defects that could potentially have a negative impact on the user experience. The cost of failure in these systems can be substantial, which is why the cost of testing pales in comparison and is a necessary investment.

The timing of testing depends on the methodology adopted during the implementation phase of the project. For instance, in the waterfall model, testing is usually conducted at the conclusion of the development process, while in the Agile model, testing is performed after each code change. Alternatively, a hybrid approach, involving simultaneous coding and testing, may also be implemented. The approach should be chosen depending on the specific needs and objectives of the project.

In conclusion, testing is an essential aspect of software development that contributes to the effective functioning of the system. Its significance cannot be overstated as it helps to identify and fix errors and defects before they can negatively impact the user experience. The timing of testing depends on the project methodology used, but it is always a crucial step in the development process.

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