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Test Case Prioritization in unit and Integration testing:A Shuffled-Frog-Leaping Approach

Computers, Materials & Continua 2023年第3期74卷 5369-5387页

作者： Atulya Gupta Rajendra Prasad Mahapatra Department of Computer Science and Engineering SRMISTDelhi-NCR CampusGhaziabad201204India

Both unit and integration testing are incredibly crucial for almost any software application because each of them operates a distinct process to examine the product.Due to resource constraints,when software is subjected to modifications,the drastic increase in the count of test cases forces the testers to opt for a test optimization strategy.One such strategy is test case prioritization(TCP).Existing works have propounded various methodologies that re-order the system-level test cases intending to boost either the fault detection capabilities or the coverage efficacy at the earliest.Nonetheless,singularity in objective functions and the lack of dissimilitude among the re-ordered test sequences have degraded the cogency of their approaches.Considering such gaps and scenarios when the meteoric and continuous updations in the software make the intensive unit and integration testing process more fragile,this study has introduced a memetics-inspired methodology for TCP.The proposed structure is first embedded with diverse parameters,and then traditional steps of the shuffled-frog-leaping approach(SFLA)are followed to prioritize the test cases at unit and integration levels.On 5 standard test functions,a comparative analysis is conducted between the established algorithms and the proposed approach,where the latter enhances the coverage rate and fault detection of re-ordered test sets.Investigation results related to the mean average percentage of fault detection(APFD)confirmed that the proposed approach exceeds the memetic,basic multi-walk,PSO,and optimized multi-walk by 21.7%,13.99%,12.24%,and 11.51%,respectively.

关键词： Test case prioritization unit testing shuffled frog leaping approach memetic based optimization algorithm integration testing

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Architecture and Methodology of unit testing Embedding Pair-Wise Mode for Small Team

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Journal of Software Engineering and Applications 2022年第11期15卷 385-405页

作者： Mengqing TanLi Ying Zhang Yulin Wang School of Software University of South China Hunan China School of Mechanical Engineering University of South China Hunan China

In this paper, the new organization for unit testing embedding pair-wise mode is proposed with the core thought focused on the cooperation of programmer and tester by “cross-testing”. The typical content of unit testing for the new organizing mode should have three aspects, including self-checking, cross-testing and independent-testing. For cross-testing, executing “pair-wise” mode, mainly tackles data testing, function testing and state testing, which function testing must be done by details and state testing must be considered for completeness. With the specializing of independent-testing, it should be taken as more rigid testing without arbitrariness. Consequently, strategy and measure are addressed for data testing focusing on boundary testing and function/state testing. And organizing method of procedure and key points of tackling unit testing are investigated for the new organizing mode. In order to assess the validity of our study and approach, a series of actual examples are demonstrated for GUI software. The result indicates that the execution of unit testing for the new organizing mode is effective and applicable.

关键词： unit testing Organizing Architecture Pair-Wise Mode Cross-testing Data testing Function/State testing Boundary testing Small Team

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Approach of Separately Applying unit testing to AspectJ Program

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Journal of Southwest Jiaotong University(English Edition) 2008年第3期16卷 227-232页

作者：顾海波卢炎生 School of Computer Science and Technology Huazhong University of Science and Technology

A unit testing approach for AspectJ programs is proposed to separately test aspect units which have their own states. In the approach, aspects under test are converted to classes before execution of unit testing. In the conversion process, the context information passed through pointcut is transformed into advices, then the advices are converted to class member methods, and conflicts in the conversion result, if any, are resolved finally. The unit testing process consists of generating test cases, executing test cases and checking results.

关键词： Aspect-oriented programming AspectJ program unit testing testing approach

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An in-depth investigation into the relationships between structural metrics and unit testability in object-oriented systems

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Science China(Information Sciences) 2012年第12期55卷 2800-2815页

作者： LEUNG Hareton Department of Computing Hong Kong Polytechnic University

There is a common belief that structural properties of classes are important factors to determine their unit testability.However,few empirical studies have been conducted to examine the actual impact of structural properties of classes.In this paper,we employ multiple linear regression(MLR) and partial least square regression(PLSR) to investigate the relationships between the metrics measuring structural properties and unit testability of a class.The investigated structural metrics cover five property dimensions,including size,cohesion,coupling,inheritance,and complexity.Our results from open-source software systems show that:(1) most structural metrics are statistically related to unit testability in an expected direction,among which size,complexity,and coupling metrics are the most important predictors;that(2) multivariate regression models based on structural metrics cannot accurately predict unit testability of classes,although they are better able to rank unit testability of classes;that(3) the transition from MLR to PLSR could significantly improve the ability to rank unit testability of classes but cannot improve the ability to predict the unit testing effort of classes.

关键词： testability metrics object-oriented testing effort unit testing prediction

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