显示两次测试覆盖率运行的差异 [英] Show the differences in two test-coverage runs

问题描述

我正在为一些旧的不知名的代码编写测试。我发现coverage.py是一个有用的工具，可以帮助我确定接下来要编写的测试。当我改进测试时，我想看看我是如何影响我们的覆盖范围的。

I'm in the process of writing tests for some old and disowned code. I've found coverage.py to be a useful tool in helping me decide which test to write next. As I improve our testing I'd like to see how I've affected our coverage.

当前，我正在通过两次提起html报告来做到这一点并排浏览器窗口，并在视觉上寻找差异。这似乎很粗糙。你们中有人有更好的解决方案吗？

Currently I'm doing this by bringing up the html report twice, in side-by-side browser windows, and visually looking for differences. This seems very crude. Do any of you have a better solution?

我发现 z3c.coverage ，并且在努力使zope-testrunner与我们的测试一起使用后，发现它仅报告回归，而不报告改进。我可以将输入作为反向输入，以使改进看起来像回归，但这样会使其他人感到困惑。

I found z3c.coverage, and after struggling to get zope-testrunner working with our tests, found that it only reports on regressions, not improvements. I could give the inputs as reverse, so that improvements look like regressions, but that will be quite confusing to present to others.

推荐答案

Coverage.py没有差异功能。听起来不错，想提供补丁吗？ ：）

Coverage.py doesn't have a diff feature. Sounds cool though, want to provide a patch? :)

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