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From: "Michał Kępień" <michal@isc.org>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH v3 2/2] diff: add -I<regex> that ignores matching changes
Date: Mon, 19 Oct 2020 11:55:54 +0200	[thread overview]
Message-ID: <20201019095554.GC3717@larwa.hq.kempniu.pl> (raw)
In-Reply-To: <xmqqa6wmc9yo.fsf@gitster.c.googlers.com>

> Michał Kępień <michal@isc.org> writes:
> 
> > +test_expect_success 'diff -I<regex>' '
> > +	test_seq 50 >I.txt &&
> > +	sed -e "s/13/ten and three/" -e "/7\$/d" <I.txt >J.txt &&
> > +	echo >>J.txt &&
> > +
> > +	test_expect_code 1 git diff --no-index --ignore-blank-lines -I"ten.*e" -I"^[124-9]" I.txt J.txt >actual &&
> 
> Please wrap an overly long line like this oned, perhaps like:
> 
> 	test_expect_code 1 git diff --no-index --ignore-blank-lines \
> 		-I"ten.*e" -I"^[124-9]" I.txt J.txt >actual &&

Yeah, thanks, I was unsure what the line length limit for test code is.
I will fix this in v4.

> > +	test_expect_code 1 git diff --stat --no-index --ignore-blank-lines -I"ten.*e" -I"^[124-9]" I.txt J.txt >actual &&
> 
> > +	test_expect_code 129 git diff --no-index --ignore-matching-lines="^[124-9]" --ignore-matching-lines="^[124-9" I.txt J.txt >output 2>&1 &&
> 
> Cramming unrelated tests into a single one made me puzzled, staring
> at this line for longer than necessary before realizing that this is
> an attempt to catch a malformed regexp.  If this were in a separate
> test with its own title, e.g.
> 
> (...)
> 		
> It would have been much easier to follow.
> 
> It also is curious that it only tests --no-index, which is a bolted
> on feature that may not exercise the codepath the users depend on
> working correctly.  If this were tested with "git log -p" for a few
> commits, the early destruction of regexp may have been caught,
> especially with ASAN build.

Sorry, I think I got a bit carried away trying to use the test suggested
by Johannes while also extending it with the missing bits.  I will try
to come up with something more balanced in v4.

-- 
Best regards,
Michał Kępień

  reply	other threads:[~2020-10-19  9:56 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-01 12:06 [PATCH 0/2] " Michał Kępień
2020-10-01 12:06 ` [PATCH 1/2] " Michał Kępień
2020-10-01 18:21   ` Junio C Hamano
2020-10-07 19:48     ` Michał Kępień
2020-10-07 20:08       ` Junio C Hamano
2020-10-01 12:06 ` [PATCH 2/2] t: add -I<regex> tests Michał Kępień
2020-10-01 17:02 ` [PATCH 0/2] diff: add -I<regex> that ignores matching changes Junio C Hamano
2020-10-12  9:17 ` [PATCH v2 0/3] " Michał Kępień
2020-10-12  9:17   ` [PATCH v2 1/3] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-12 11:14     ` Johannes Schindelin
2020-10-12 17:09       ` Junio C Hamano
2020-10-12 19:52     ` Junio C Hamano
2020-10-13  6:35       ` Michał Kępień
2020-10-12  9:17   ` [PATCH v2 2/3] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-12 11:20     ` Johannes Schindelin
2020-10-12 20:00       ` Junio C Hamano
2020-10-12 20:39         ` Johannes Schindelin
2020-10-12 21:43           ` Junio C Hamano
2020-10-13  6:37             ` Michał Kępień
2020-10-13 15:49               ` Junio C Hamano
2020-10-13  6:36       ` Michał Kępień
2020-10-13 12:02         ` Johannes Schindelin
2020-10-13 15:53           ` Junio C Hamano
2020-10-13 18:45           ` Michał Kępień
2020-10-12 18:01     ` Junio C Hamano
2020-10-13  6:38       ` Michał Kępień
2020-10-12 20:04     ` Junio C Hamano
2020-10-13  6:38       ` Michał Kępień
2020-10-12  9:17   ` [PATCH v2 3/3] t: add -I<regex> tests Michał Kępień
2020-10-12 11:49     ` Johannes Schindelin
2020-10-13  6:38       ` Michał Kępień
2020-10-13 12:00         ` Johannes Schindelin
2020-10-13 16:00           ` Junio C Hamano
2020-10-13 19:01           ` Michał Kępień
2020-10-15 11:45             ` Johannes Schindelin
2020-10-15  7:24   ` [PATCH v3 0/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-15  7:24     ` [PATCH v3 1/2] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-15  7:24     ` [PATCH v3 2/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2020-10-16 15:32       ` Phillip Wood
2020-10-16 18:04         ` Junio C Hamano
2020-10-19  9:48           ` Michał Kępień
2020-10-16 18:16       ` Junio C Hamano
2020-10-19  9:55         ` Michał Kępień [this message]
2020-10-19 17:29           ` Junio C Hamano
2020-10-16 10:00     ` [PATCH v3 0/2] " Johannes Schindelin
2020-10-20  6:48     ` [PATCH v4 " Michał Kępień
2020-10-20  6:48       ` [PATCH v4 1/2] merge-base, xdiff: zero out xpparam_t structures Michał Kępień
2020-10-20  6:48       ` [PATCH v4 2/2] diff: add -I<regex> that ignores matching changes Michał Kępień
2021-02-05 14:13       ` [PATCH 1/2] diff: add an API for deferred freeing Ævar Arnfjörð Bjarmason
2021-02-10 16:00         ` Johannes Schindelin
2021-02-11  3:00           ` Ævar Arnfjörð Bjarmason
2021-02-11  9:40             ` Johannes Schindelin
2021-02-11 10:21               ` Jeff King
2021-02-11 10:45                 ` [PATCH v2 0/2] " Ævar Arnfjörð Bjarmason
2021-02-11 10:45                 ` [PATCH v2 1/2] " Ævar Arnfjörð Bjarmason
2021-02-11 10:45                 ` [PATCH v2 2/2] diff: plug memory leak from regcomp() on {log,diff} -I Ævar Arnfjörð Bjarmason
2021-02-05 14:13       ` [PATCH " Ævar Arnfjörð Bjarmason

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