Why Regression Testing?

Regression testing of mobile applications is designed to check whether actions such as enhancements, changes to third-party dependencies, configurations and human error during development haven’t brought any new regressions or bugs in a mobile application system. With regression testing, you will be able to easily identify regressions and fix the problem and release a new version of the app as quickly as possible.

    Why Do Regressions Happen?
  • Changes to the operating system/development platforms
  • While fixing bugs
  • When a new functionality is added
  • While fixing performance issues
  • Successful test cases
  • When the code is modified
    Process of Regression testing
  • Create a master plan by making a list of what all you need to test in your app
  • Clearly set the requirements for testing
  • Develop entry criteria and exit criteria for regression testing
  • Add old test cases by identifying and assessing the areas of your app that have been broken in the past
  • Add new test cases pertaining to newly implemented features
Benefits of Regression Testing
  • Helps in improvement of the product quality
  • Increases test coverage in less time
  • Cost effective and improves efficiency
  • Increases chances of identifying bugs that occur due to change in code
  • Improves the product quality
Different Techniques of Regression Testing

Once the software is developed, its maintenance is an active process that includes error detection, corrections, optimization, etc. Deletion or modification of existing features may be also be required. Regression Testing is broadly classified as:

  • Retest all
  • Regression test selection
  • Prioritization of test cases
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