Disadvantages of Bottom-Up Integration Testing
- Towards the top of the Hierarchy, it becomes very complicated.
- There is no concept regarding the early skeletal system.
- There will be an impact on sibling and higher-level unit tests due to changes.
Steps in Bottom Up Integration Testing
Bottom-up Testing is a type of incremental integration testing approach in which testing is done by integrating or joining two or more modules by moving upward from bottom to top through the control flow of the architecture structure. In these, low-level modules are tested first, and then high-level modules are tested. This type of testing or approach is also known as inductive reasoning and is used as a synthesis synonym in many cases. Bottom-up testing is user-friendly testing and results in an increase in overall software development. This testing results in high success rates with long-lasting results.
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