Final answer:
Execution-based testing is a software testing method where the code is actively executed to find bugs and verify that the software behaves as expected. It includes various phases, such as unit and integration testing, and employs both black-box and white-box testing approaches.
Step-by-step explanation:
What is Execution-Based Testing?
Execution-based testing, also known as dynamic testing, is a method used in software testing where the tester actively executes the code to verify the behavior of an application under test. The primary aim of execution-based testing is to find errors or bugs by running the software with various inputs and checking the outputs against expected results. This allows testers to ensure that the software performs its intended functions correctly, cope with input errors, and maintain data integrity.
Software testing involves several testing techniques, including unit, integration, system, and acceptance testing phases. Each of these phases involves active execution of the software components to ascertain their functionality under various conditions. For example, in unit testing, individual units or code blocks are tested in isolation, while in integration testing, the interaction between these units is assessed.
Within dynamic testing, two key approaches are commonly utilized: black-box testing and white-box testing. Black-box testing evaluates the software without any prior knowledge of internal implementation, focusing solely on input and output. White-box testing, in contrast, takes into account the internal workings of the application and requires comprehensive knowledge of the code structure. Both approaches are critical to a thorough testing process.
Automated testing tools are often employed in execution-based testing to simulate user interaction with the software. These tools can run predefined test cases multiple times, which is particularly useful for regression testing to ensure that new code changes do not adversely impact existing functionalities.
The success of execution-based testing relies on the careful preparation of test cases, which include both normal and edge cases, ensuring a wide range of functionalities are checked. An effective test case design can lead to the early detection of defects, safeguarding the stability and reliability of the software before it reaches the end user. Consequently, execution-based testing is an essential aspect of the software development life cycle and plays a pivotal role in delivering quality software products.