Know more about Regressiont Testing Here
You're looking for techniques and checklists for regression testing. Here are some common techniques and a sample checklist:
Regression Testing Techniques
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Retest All: This involves re-executing all existing test cases. While comprehensive, it can be very time-consuming and resource-intensive, especially for large projects.
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Regression Test Selection: This technique involves selecting a subset of test cases to execute based on an analysis of the code changes. This is a more efficient approach than Retest All. Common selection criteria include:
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Modified Module Testing: Selecting tests that cover the specific modules or components that have been modified.
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Impact Analysis: Identifying the areas of the software that may be affected by the changes, even if they haven't been directly modified, and selecting tests for those areas.
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Priority-Based Testing: Prioritizing test cases based on their importance, frequency of use, or the likelihood of failure. High-priority tests are executed first.
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Prioritization of Test Cases: This involves ordering the execution of test cases based on their priority. High-priority tests, which cover critical functionalities or areas that are more likely to be affected by changes, are executed first.
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Hybrid Approach: This involves combining different regression testing techniques to optimize the process. For example, you might use Impact Analysis to select a subset of tests and then prioritize those tests based on their importance.
Regression Testing Checklist
A regression testing checklist can help ensure that the process is performed consistently and thoroughly. Here's a sample checklist:
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Identify the code changes: Determine the specific modules, components, or files that have been modified.
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Analyze the impact of changes: Identify the areas of the software that may be affected by the changes.
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Select test cases: Choose the appropriate test cases to execute based on the analysis.
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Prioritize test cases: Order the test cases based on their importance and risk.
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Prepare the test environment: Ensure that the test environment is properly configured and that the necessary data and resources are available.
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Execute the test cases: Run the selected test cases.
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Compare the results: Compare the actual results with the expected results.
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Report defects: Report any defects or discrepancies.
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Retest fixed defects: Retest the defects after they have been fixed.
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Update the regression test suite: Add new test cases or modify existing ones as needed to ensure that the regression test suite remains comprehensive and up-to-date.
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Document the testing process: Document the steps taken, the test cases executed, and the results obtained.
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