如何查看在 pytest 运行期间创建的正常打印输出? [英] How can I see normal print output created during pytest run?

问题描述

有时我只想在我的代码中插入一些打印语句，然后看看当我执行它时会打印出什么.我通常使用现有的 pytest 测试来锻炼"它.但是当我运行这些时，我似乎看不到任何标准输出(至少在 PyCharm 中，我的 IDE).

Sometimes I want to just insert some print statements in my code, and see what gets printed out when I exercise it. My usual way to "exercise" it is with existing pytest tests. But when I run these, I don't seem able to see any standard output (at least from within PyCharm, my IDE).

是否有一种简单的方法可以在 pytest 运行期间查看标准输出?

Is there a simple way to see standard output during a pytest run?

推荐答案

-s 开关 禁用每次测试捕获(仅当测试失败时).

The -s switch disables per-test capturing (only if a test fails).

-s 等价于 --capture=no.

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