Regression test case screening method based on partial multi-coverage

Abstract

The invention discloses a regression test case screening method based on partial multi-coverage, comprising the following steps of: firstly establishing a test requirement coverage matrix according to software system characteristics and a test case library; then aiming at a correction assembly, dividing a test requirement set into a concerned set and an independent set; selecting a regression test set by adopting an HATS (Host Access Transformation Service) algorithm; maintaining the test case library by adopting a multi-coverage category based on risk or operational profile definition test requirements; and screening the test case set by adopting an MHATS algorithm according to the given multi-coverage category. In the invention, redundant test cases can be reserved by adopting the multi-coverage category, therefore, the defect detection capacity of the test case library is maintained while the test case library is simplified; and in addition, the regression test case screening method is oriented to partial coverage while selecting the regression test set, simultaneously avoids from covering irrelative test requirements, and reduces the test execution and analysis costs while reducing the test case quantity.

Description

technical field [0001] The invention relates to a method for screening test cases of software systems under regression testing, in particular to screening test cases by achieving sufficient and effective coverage of test requirements for system components that require regression testing when there are a large number of test cases in software system development and upgrading , to reduce the cost of regression testing. Background technique [0002] Whether it is in the development process or after the release, the software system always faces constant revision and upgrade. After each modification, adequate regression testing of the software system is required to ensure that the unchanged functions and components of the software system are not negatively affected by the current modification. Due to the insufficient regression testing of the reused software components, the launch of the Ariane 5 rocket failed, causing huge losses. This illustrates the necessity of regression t...

AI Technical Summary

Problems solved by technology

The problem with the traditional reduction technique is that if it is used to delete redundant test cases in the test case library, the defect detection capability of the regression test cannot be guaranteed because the number of retained test cases is too small; if it is used for regression test set selection, Because the reduced test case set covers all test requirements, and the current regression test often only needs to focus on the modified components, so too many test cases are selected, which increases the cost of regression testing

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