Software Testing Models - Graplabs.pdf
- 1. SOFTWARE TESTING MODELS GRAPLABS - SOFTWARE TESTING & DIGITAL MARKETING TRAINING INSTITUTE
- 2. Waterfall model 1 V-model 2 Iterative model 3 Spiral model 4 Agile model 5
- 3. The Waterfall Model is a linear sequential approach where testing is typically performed after the development phase is completed. Each phase, including requirements gathering, design, development, testing, and deployment, is completed before moving on to the next phase Waterfall model
- 4. Advantages Simple and easy to understand Well-defined and structured process Easy to track progress Disadvantages Not flexible, changes are difficult to implement Testing is done at the end of the development process, so defects are found late Not suitable for complex projects Waterfall model
- 5. V-model The V-model is a variation of the waterfall model, It emphasizes the relationship between each phase of the development process and its corresponding testing phase. The testing activities are planned in parallel with each development phase, enabling early test planning and higher test coverage. system analysis architecture design unit design coding unit testing integration testing system testing Requirement gathering acceptance testing
- 6. Advantages Combines the advantages of the waterfall model and the iterative model Testing is done throughout the development process, so defects are found early Well-suited for complex projects Disadvantages Can be more complex to manage than other models Requires a high level of communication and coordination between developers and testers V-model
- 7. The Iterative Model involves repetitive cycles of development and testing. Each iteration includes requirements gathering, design, development, and testing activities. Feedback from each iteration is used to refine subsequent iterations, enabling progressive refinement of the software. Iterative model Planning Design Implementation Testing Evaluation Feedback and Refinement Repeat
- 8. Advantages Early delivery of working software reduce risk by identifying and addressing defects early in the development process. Increased customer satisfaction Disadvantages can be more costly than other models Can be more complex to manage. Can be difficult to estimate the final cost and time of the project. Iterative model
- 9. The Spiral Model combines elements of both waterfall and iterative models. It emphasizes risk management through multiple iterations. Each iteration includes planning, risk analysis, engineering, and evaluation phases. The model allows for continuous refinement of the software while managing potential risks. Spiral model Planning 1. 2. Risk Analysis 3. Engineering 4. Evaluation
- 10. Advantages Combines the advantages of the waterfall model, the iterative model, and the incremental model Risks are assessed and mitigated throughout the development process Well-suited for complex projects with high levels of uncertainty Disadvantages Can be more complex to manage than other models Requires a high level of communication and coordination between developers and testers Spiral model
- 11. Agile testing models, such as Scrum or Kanban, are iterative and incremental development approaches. Testing is an integral part of each iteration or sprint, and testing activities are conducted concurrently with development. Agile models emphasize frequent communication, collaboration, and adaptive planning. Agile model
- 12. Advantages Flexible and adaptable to change Frequent delivery of working software High level of customer involvement Disadvantages Can be difficult to manage Requires a high level of technical skill from the team Not suitable for all projects Agile model