Re: TestLib::command_fails_like enhancement

From: Craig Ringer <craig(at)2ndquadrant(dot)com>
To: Mark Dilger <hornschnorter(at)gmail(dot)com>
Cc: Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: TestLib::command_fails_like enhancement
Date: 2019-11-08 06:16:28
Message-ID: CAMsr+YEdLHVSPfnw1q0JPORUkyW=ywnb9LiwVAW+xdaQVDR9EQ@mail.gmail.com
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On Fri, 8 Nov 2019 at 06:28, Mark Dilger <hornschnorter(at)gmail(dot)com> wrote:

>
>
> On 10/31/19 10:02 AM, Andrew Dunstan wrote:
> >
> > This small patch authored by my colleague Craig Ringer enhances
> > Testlib's command_fails_like by allowing the passing of extra keyword
> > type arguments. The keyword initially recognized is 'extra_ipcrun_opts'.
> > The value for this keyword needs to be an array, and is passed through
> > to the call to IPC::Run.
>
> Hi Andrew, a few code review comments:
>
> The POD documentation for this function should be updated to include a
> description of the %kwargs argument list.
>
> Since command_fails_like is patterned on command_like, perhaps you
> should make this change to both of them, even if you only originally
> intend to use the new functionality in command_fails_like. I'm not sure
> of this, though, since I haven't seen any example usage yet.
>
> I'm vaguely bothered by having %kwargs gobble up the remaining function
> arguments, not because it isn't a perl-ish thing to do, but because none
> of the other functions in this module do anything similar. The function
> check_mode_recursive takes an optional $ignore_list array reference as
> its last argument. Perhaps command_fails_like could follow that pattern
> by taking an optional $kwargs hash reference.
>

Yeah, that's probably sensible.

--
Craig Ringer http://www.2ndQuadrant.com/
2ndQuadrant - PostgreSQL Solutions for the Enterprise

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