Re: Direction for test frameworks: Perl TAP vs. Python/pytest

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Aleksander Alekseev <aleksander(at)tigerdata(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Andrew Dunstan <andrew(at)dunslane(dot)net>
Subject: Re: Direction for test frameworks: Perl TAP vs. Python/pytest
Date: 2026-06-16 15:54:28
Message-ID: 15846444-57C0-416B-82FE-6FB5BE925537@yesql.se
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> On 16 Jun 2026, at 17:40, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Daniel Gustafsson <daniel(at)yesql(dot)se> writes:
>> Even if we backpatch a new framework, we'd still need to port all the tests of
>> that release for it to be useful which seems like a pretty big hammer to swing.
>
> Agreed. But based on the quick count I just did, we are also going to
> need to deal with a lot of cases of modifying an existing test. If
> the "same" test is written completely differently in master, that's
> going to be super painful.

I'm afraid that you're right, and I 100% agree that any decision we make should
take ease-of-backpatching into strong consideration.

--
Daniel Gustafsson

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