期刊论文详细信息
Journal of Computer Science
A Complete Automation of Unit Testing for JavaScript Programs | Science Publications
M. Alshraideh1 
关键词: Software testing;    white box;    black box;    genetic algorithms;    mutation testing;   
DOI  :  10.3844/jcssp.2008.1012.1019
学科分类:计算机科学(综合)
来源: Science Publications
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【 摘 要 】

Problem statement: Program testing is expensive and labor intensive, often consuming more than half of the total development costs, and yet it is frequently not done well and the results are not always satisfactory. The objective of this paper is to present an automatic test data generation tool that aims to completely automate unit testing of JavaScript functions. The methodology:In order to use the proposed tool, the tester annotates the files that contain the class to be tested. Moreover, the tester must specify the test data coverage criterion to be used, either branch coverage or mutation analysis. However, the tool is then integrated into the JavaScript compiler and test generation is invoked by a command line option.Also, the code to be tested is parsed into an abstract syntax tree from which the test tool generates a program dependency graph for the function under test.However, if mutation analysis coverage is required, the abstract syntax tree for a meta-mutant program is also generated. To provide guidance for the test data search, the function under test instrumented in accordance with the coverage criterion. Branch predicate expressions are always instrumented, in the case of mutation coverage, mutated statements are also instrumented. Compilation then continues from the modified abstract syntax tree to generate instrumented executables that were loaded into the test data search module. Results: The experiment done in our study by using the proposed tool for branch coverage shows that the most effective result for string equality was obtained using the edit distance fitness function, while no significant difference was found in the fitness function for string ordering.Through exhaustive mulation coverage 8% are found to be equivalent. Conclusion: By having a complete automation it reduces the cost of software testing dramatically and also facilitates continuous testing.It is reported that at least 50% of the total software development costs is due to testing, and 10

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