Testing methodologies are systematic approaches or strategies that define how software testing is carried out. Different testing methodologies are employed based on project requirements, development methodologies, and the goals of the testing process. Here are some of the prominent testing methodologies:

Waterfall Model:

Description: A linear and sequential software development model where each phase must be completed before moving on to the next. Testing Approach: Testing occurs after the development phase is complete. Each phase, including testing, is well-defined and has specific deliverables. V-Model (Verification and Validation Model):

Description: An extension of the waterfall model where testing activities are integrated throughout the development phases. Testing Approach: Corresponding testing phases run in parallel with development phases. Each stage of development has a corresponding testing phase, forming a V shape. Agile Testing:

Description: Part of the Agile software development methodology, emphasizing collaboration, flexibility, and iterative development. Testing Approach: Testing is integrated throughout the development cycle, with continuous feedback and collaboration between development and testing teams. Agile testing includes practices like Test-Driven Development (TDD) and Continuous Integration (CI). Scrum Testing:

Description: A specific implementation of Agile testing within the Scrum framework, emphasizing short development cycles called sprints. Testing Approach: Testing is performed continuously during each sprint. Testers work closely with the development team to ensure that the product meets acceptance criteria by the end of each sprint. Incremental Testing:

Description: Testing is conducted on individual components or systems incrementally, adding new components or functionality in a step-by-step manner. Testing Approach: Each new component or feature is tested in isolation, followed by integration testing to ensure that the combined components work as intended. Big Bang Testing:

Description: A testing approach where all components or modules of the software are integrated simultaneously. Testing Approach: After all components are integrated, comprehensive testing is performed to identify defects and ensure the system functions as a whole. Iterative Testing:

Description: Iterative development involves repeating cycles of development and testing. Testing Approach: Testing is conducted after each iteration, allowing for feedback and refinement of both the software and the testing strategy. Spiral Model:

Description: Combines elements of the waterfall model and iterative development. The development process is represented as a spiral, with each loop representing a development and testing phase. Testing Approach: Testing is integrated into each phase of the spiral, with a focus on risk analysis and mitigation. Rapid Application Development (RAD) Testing:

Description: Emphasizes quick development and iteration using components and prototypes. Testing Approach: Testing is concurrent with development, focusing on verifying the functionality of prototypes and incremental builds. DevOps Testing:

Description: An extension of Agile that emphasizes collaboration between development and operations teams to achieve continuous delivery. Testing Approach: Testing is automated and integrated into the DevOps pipeline, allowing for continuous testing and rapid feedback. Behavior-Driven Development (BDD):

Description: An Agile methodology that encourages collaboration between developers, testers, and non-technical stakeholders. Testing Approach: Testing scenarios are expressed in natural language, and automated tests are derived from these scenarios to ensure that the software behaves as expected. Choosing the appropriate testing methodology depends on factors such as project requirements, the development life cycle, and the organization's goals. Often, a combination of methodologies may be adopted to address specific needs throughout the software development process. Learn More... https://bit.ly/3GnFtjL