From: Tomi Ollila <tomi.ollila@iki.fi>
To: Pieter Praet <pieter@praet.org>, Notmuch Mail <notmuch@notmuchmail.org>
Subject: Re: [PATCH v2 4/4] test: emacs: new test "notmuch-search: change tags
	of all matching messages"
In-Reply-To: <1329683908-5435-5-git-send-email-pieter@praet.org>
References: <1310313335-4159-1-git-send-email-pieter@praet.org>
	<1329683908-5435-1-git-send-email-pieter@praet.org>
	<1329683908-5435-5-git-send-email-pieter@praet.org>
User-Agent: Notmuch/0.11.1+198~g922c4d2 (http://notmuchmail.org) Emacs/23.3.1
	(x86_64-unknown-linux-gnu)
Date: Sun, 19 Feb 2012 23:08:30 +0200
Message-ID: <m2zkcev8dt.fsf@guru.guru-group.fi>
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On Sun, 19 Feb 2012 21:38:28 +0100, Pieter Praet <pieter@praet.org> wrote:
> `notmuch-search-tag-all' (bound to "*") adds and removes tags
> to/from all messages which match the query used to populate the
> current search buffer.
> ---
>  test/emacs |   32 ++++++++++++++++++++++++++++++++
>  1 files changed, 32 insertions(+), 0 deletions(-)
> 

[ ... ]

> +old_tag_count_1=$(notmuch count tag:"${old_tag}" "${filter}")
> +new_tag_count_1=$(notmuch count tag:"${new_tag}" "${filter}")
> +test "${old_tag_count_1}" == "0" && old_tag_count_1="Need 1+ matches!"
> +test "${new_tag_count_1}" == "0" || new_tag_count_1="Need 0 matches!"
> +# Change tags of all matching messages and get tag counts
> +test_emacs "(notmuch-search \"tag:${old_tag} ${filter}\")

Small nit: string equality comparison operator is '='. 
Use  grep '==' test/*  to confirm (or man test).

[ ... ]

Tomi