Regression Testing How It Works (1).pdf
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Regression testing is essential in the ETL testing process to ensure that existing functionality remains intact after implementing new features, bug fixes, or changes. It should be conducted when new functionality is added, changes are made to existing features, defects are fixed, performance issues are resolved, or the environment changes. Without regression testing, identifying root causes and understanding the product's architecture becomes more challenging and time-consuming.
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Regression Testing How It Works (1).pdf
- 1. Regression Testing: How It Works
- 2. What is regression testing? Regression testing is a critical step in the ETL testing process. It is a method of testing to ensure that the existing product works properly with new functionality, bug fixes, or changes to existing features.
- 3. When can we perform regression testing? 1. When new functionality comes in. 2. When there is a change request (that is, changes in existing functionality). 3.When the defect is fixed or when the code is refactored. 4. When there is a performance issue fix. 5. When there is an environment change.
- 4. Without regression testing, it is more difficult and time-consuming to investigate the root cause and the architecture of the product. Why is regression testing important?