行为测试运行程序在詹金斯上没有彩色输出 [英] Behave test runner has no colored output on Jenkins

问题描述

我在EC2实例的Ubuntu服务器14.04上安装了jenkins.我有一些硒测试是使用 behave 作为测试运行程序来执行的.

I have setup jenkins on Ubuntu server 14.04 on an EC2 instance. I have some selenium tests that I execute using behave as test runner.

在Jenkins上，我还安装了插件 AnsiColor ，希望我可以在上面获得颜色输出jenkins控制台，但是除了Gherking语法之外，其他所有颜色我都得到了体现. Selenium错误，python调试，所有内容都有颜色...行为的输出除外.

On Jenkins I have also installed the plugin AnsiColor hoping that I can get color output on the jenkins console, however I get color for everything else except for the Gherking syntax. Selenium errors, python debug, everything has color...except for the output of behave.

现在的问题是，如果我在Mac或Ubuntu上运行测试，但不与Jenkins用户一起运行，则一切正常，并且颜色在那里.

Now the thing is if I run the tests on a Mac or on Ubuntu but not with the Jenkins user, everything works fine and the colors are there.

我确实没有任何代码可发布，但是我可以说我尝试不了的内容:

I really don't have any code to post, but I can say what I have tried to no avail:

• 运行行为与behave --color
• 将AnsiColorPlugin的颜色映射映射到formatter/ansi_escapes.py中发现的行为的转义序列
• 将#!/bin/bash添加到jenkins构建脚本中，以确保不会使用sh而不是bash来执行该脚本.

• running behave with behave --color
• mapping the color map of AnsiColorPlugin to the escape sequences of behave found in formatter/ansi_escapes.py
• adding #!/bin/bashto jenkins build script to make sure it does not get executed with shinstead of bash

如果这有任何意义，我正在virtualenv

If this is of any relevance I am using python 3.4 on virtualenv

除实际答案外，也欢迎提供有关如何调试此问题的任何建议！谢谢

Besides the actual answer, any suggestions on how to debug this are also welcome! thanks

推荐答案

阅读PrettyFormatter的原始源代码，没有办法强迫它使用颜色，因为它使用isatty来确定它是否正在写入实际的终端.

Reading original source code of PrettyFormatter, there's no way to force it to use colors as it uses isatty to determine if it's writing to actual terminal.

但是，进行必要的修改以实现颜色输出是微不足道的:

However, necessary modifications to enable color output are trivial:

https://github.com/mrkafk/behave/commit/5fa2dd3fd1dc71498df4>

https://github.com/mrkafk/behave/commit/5fa2dd3fd1dc7149857df4da156d8fd00f5058a5

我已经创建了拉取请求，并测试了它是否可以在Jenkins中工作(当然，在项目配置中启用了解析ANSI代码之后):

I've created pull request and tested it to work in Jenkins (after enabling parsing ANSI codes in project configuration of course):

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