TestGRAD: Evolving Test Suites via Failure Pattern Momentum for SWE-Agent Ensemble
SWE-agent ensembles improve issue resolution by combining candidate patches from different agents with complementary strengths. The central problem is therefore test-based selection: generate tests, execute candidate patches, and identify the best patch. We formulate this process as test-space optimization: evolving an executable repository test suite until it distinguishes competing patches. Existing test-generation methods are limited optimizers. They usually lack an explicit loss for ensemble selection, optimize through incomplete directions that mostly create new tests or delete old ones, and perform one-off generation without feedback from repeated failures. Inspired by gradient desc...
| Authors | Pengfei He, Jiayuan Zhou, Shaowei Wang et al. |
|---|---|
| Primary category | cs.SE |
| Published | 7 October 2026 |
| Last updated at source | 7 October 2026 |
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