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Dataset Open Access

JTeC: A Large Collection of Java Test Classes forTest Code Analysis and Processing

Corò, Federico; Verdecchia, Roberto; Cruciani, Emilio; Miranda, Breno; Bertolino, Antonia

The recent push towards test automation and test-driven development continues to scale up the dimensions of test code that needs to be maintained, analysed, and processed side-by-side with production code. As a consequence, on the one side regression testing techniques, e.g., for test suite prioritization or test case selection, capable to handle such large-scale test suites become indispensable; on the other side, as test code exposes own characteristics, specific techniques for its analysis and refactoring are actively sought. We present JTeC, a large-scale dataset of test cases that researchers can use for benchmarking the above techniques or any other type of tool expressly targeting test code. JTeC collects more than 2.5M+ test classes belonging to 31K+ GitHub projects and summing up to more than 430 Million LOCs of ready-to-use real-world test code.

Companion page for the JTeC dataset at https://github.com/JTeCDataset/JTeC
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