Python，unittest:可以让 TestRunner 完全安静吗? [英] Python, unittest: Can one make the TestRunner completely quiet?

问题描述

有没有办法让 unittest.TextTestRunner完全安静，这意味着它永远不会自行打印输出?即使在 verbosity=0 完成后，它也会打印结果.

Is there a way to make unittest.TextTestRunner completely quiet, meaning it never prints to output on its own? Even at verbosity=0 it prints results when done.

我想在打印任何内容之前处理运行程序返回的 TestResult 对象.

I want to process the TestResult object returned by the runner before anything is printed.

推荐答案

TextTestRunner 在其构造函数中有一个 stream=sys.stderr:

TextTestRunner has a stream=sys.stderr in its constructor:

def __init__(self, stream=sys.stderr, descriptions=1, verbosity=1)

将其更改为空流.

result = unittest.TextTestRunner(stream = open(os.devnull, 'w')).run(alltests)
if len(result.failures) or len(result.errors):
    print "Sorry."

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