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bug#51037: [PATCH] Make `print-level` & `print-length` customizable in E

From: Lars Ingebrigtsen
Subject: bug#51037: [PATCH] Make `print-level` & `print-length` customizable in ERT batch tests
Date: Wed, 13 Oct 2021 16:06:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Michael <sp1ff@runbox.com> writes:

> Only when comparing _results_. Say I have test code like:
>    (let ((a (<some complex list>)
>          (b (<another complex list>))))
>      ...
>      (should (equal a b))
> My changes would case the error message from the failed `should`
> invocation to print `a` & `b` more fully (i.e. with fewwer
> ellipses).

Ah, I see.

> The backtrace logic is separate, and un-touched by my patch as
> submitted (tho of course I can change that).

Perhaps it would be better if the same variables affected both result
printing and backtraces in the code that ert is testing.

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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