node.js - 如何在 Jest 测试中发送 Node 命令行参数

Question

我有一个 utility.js，它通过 process.argv 使用程序参数。

当我运行 jest -t 'utility-spec' --arg1 value1 --arg2 value2 时，它抛出异常。无法运行测试。

(node:8956) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): ● Unrecognized CLI Parameters:

Following options were not recognized: ["arg1", "arg2"]

Answer 1

刚刚遇到同样的问题并找到了答案:

Jest doesn't accept node arguments unfortunately. I recommend testing your utility by making a programmatic interface. You can also overwrite process.argv in your test before requiring your module.

Issue 5089

好像不可能。