karma-runner/karma

Test sharding / parallelization

Open

#439 创建于 2013年3月29日

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 (43 评论) (88 反应) (0 负责人)JavaScript (11,918 star) (1,703 fork)batch import
help wantedtype: feature

描述

Allow splitting a single test suite into multiple chunks, so that it can be executed in multiple browsers and therefore executed on multiple machines or at least using multiple cores.

贡献者指南

技术栈
javascriptnodejs
领域
testingperformance
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
4
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
over 1 week
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
stale
清晰度议题是否清楚说明期望改动、验收标准和下一步。
needs investigation
前置要求
Familiarity with Karma architectureUnderstanding of parallel processing in Node.js
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
20
研究方向
The issue requests splitting test suites into chunks for parallel execution across multiple browsers or machines. The discussion in comments (43 comments) includes various approaches but no clear consensus or maintainer guidance. To start, examine the Karma test runner source code in the `lib/` directory, particularly the execution flow, to understand current test dispatch. Look at commented suggestions for sharding strategies, such as using environment variables or CLI arguments. There are no linked PRs, so this would require designing and implementing a new feature from scratch.