GNU bug report logs - #66782
29.1; ERT tests reports test redefined depending on loading sequence

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Message #44 received at 66782 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattias.engdegard <at> gmail.com>
To: Xiyue Deng <manphiz <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 66782 <at> debbugs.gnu.org
Subject: Re: bug#66782: 29.1; ERT tests report test redefined depending on
 loading sequence
Date: Mon, 30 Oct 2023 13:04:58 +0100

29 okt. 2023 kl. 22.53 skrev Xiyue Deng <manphiz <at> gmail.com>:

> As far as I know, there is no practical use for a test case to depend on
> another test case in any language I worked with as a test case provides
> no reusable component.  On the other hand, there are alternatives that
> makes more sense to do what they (e.g. lsp-mode) are doing.  Again, IMHO
> I think it makes sense for ERT not to support it or to even forbid it.
> Doing this also avoids such misleading error message I was reporting,
> which got triggered depending on the loading sequence which may make
> test suites flaky (as the loading sequence is not deterministic).

I don't think ERT can forbid anyone from loading in the same .el file multiple times because it's none of its business. Or did you have something else in mind?

All in all, I'm not sure there is anything that we can do in Emacs right now that would help, but if you have any concrete suggestions, do tell.

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