如何重现Jest“网络错误"-本地浮动错误 [英] How to reproduce Jest “Network Error” - floating bug locally

问题描述

当我偶尔在管道上运行测试时，我会收到网络错误"消息.用于不同的文件(由于axios请求).虽然有时候我根本没有错误.

When I run tests on pipe lines occasionally I am getting "Network Error" for different files (because of axios requests). Though some times I don't get errors at all.

但是由于某种原因，无论我做什么，我都无法在本地得到该错误.我使用相同的节点版本v12.16.1.我试图将testTimeout减少到200(虽然有很多错误，但是有所不同).

But for some reason I can't get that error locally no matter what I do. I use same node version v12.16.1. I have tried to reduce testTimeout to 200 (I got bunch of errors but the were different).

1. 所以问题是为什么该错误不一致?
2. 如何使其一致并在本地复制?

推荐答案

问题是，尽管测试本身成功完成，但是一个测试没有正确完成请求.结果，带有请求的下一个测试失败.而且由于默认maxConcurrency: 5，几乎可以进行任何测试.

The problem was that one test didn't finished request properly, though test itself finished successfully. As the result next test with request failed. And because of default maxConcurrency: 5 that could be pretty any test.

尽管我仍然不清楚为什么无法在本地复制它.

Though why I was unable to reproduce it locally is still unclear for me.

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