As the software development process progresses, each modification and update may introduce new problems and errors. In order to ensure product quality and stability, regression testing is required . So, what is regression testing? This article will answer for you.
Regression testing refers to the process of re-executing the passed test cases to detect whether new problems or errors appear in the product when the software code, usage environment or product requirements change. This type of testing is mainly applicable to the iterative development process and upgrade maintenance process in the software development cycle.
The purpose of regression testing is to find out the defects introduced by the new version or new features, find out the defects introduced in the modification process, and verify the effect of repairing the defects. Regression testing can help developers quickly determine whether changes have affected other parts of the software, and fix related problems in time, thereby improving software quality and reliability.
When performing regression testing, the purpose and scope of the test should be clarified first, so as to formulate the corresponding test plan and test cases. Then, it needs to be tested according to the original test cases or test strategies. The test results will be used to judge the stability and quality of the product, and feedback to the developers for problem fixing.
In addition, when conducting regression testing, you need to pay attention to the following issues:
1. The granularity of regression testing should be adjusted according to the complexity and scope of changes of the product, and fully consider the overall stability of the product and the testing of key functions.
2. Regression testing should be automated as much as possible to improve testing efficiency and reduce testing costs.
3. It is necessary to pay attention to the consistency and stability of the test environment to ensure the reliability and validity of the test results.
4. Need to make full use of testing tools and techniques to help testers quickly find problems and defects.
In short, regression testing is an essential part of the software development process. Through proper regression testing, problems can be found and repaired in time, product quality can be improved, and testing costs and risks can be reduced. Therefore, it is very important for software developers and testers to understand the relevant knowledge and skills of regression testing, which can help them better complete testing tasks and improve testing efficiency.
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What is regression testing? Types and methods of regression testing?
Types and methods of regression testing
Regression testing is an essential link in the software development process and is widely used in every stage of software development. So what are the types and methods of regression testing? This article will introduce you.
1. Test-driven regression testing
Test-driven regression testing means that when new code is developed or old code is modified, test cases are automatically executed and verify that the code is correct. This type of regression testing is automated, continuous, and is often used in continuous integration workflows.
2. Automated regression testing
Automated regression testing refers to the use of testing tools and technologies to write test cases for scenarios that require regression testing, and automatically run the test cases for testing. Automated regression testing can greatly reduce testing time costs and improve testing efficiency and accuracy.
3. Manual regression testing
Manual regression testing refers to the manual execution of test cases to check whether the function of the software is normal. Manual regression testing is more suitable when the software functions are complex and the testing scenarios are diverse, but the testing time and cost are relatively high.
4. Partial regression testing
Partial regression testing refers to testing only the affected parts or modules to perform regression testing faster. This test method is suitable for small changes or certain scope.
5. Thorough regression testing
Comprehensive regression testing refers to testing the entire software, including all functions, interfaces, performance and other tests. This testing method is suitable for situations where the scope of software changes is large or the risk is high.
To sum up, there are many types and methods of regression testing, and each testing method has its applicable scenarios and advantages and disadvantages. For different software development stages and requirements, you can choose the appropriate test method to achieve better test results and quality. The above content introduces to you what is regression testing? Types and methods of regression testing
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