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From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: <git@vger.kernel.org>
Cc: Jeff King <peff@peff.net>, Duy Nguyen <pclouds@gmail.com>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Jonathan Tan <jonathantanmy@google.com>,
	Eric Sunshine <sunshine@sunshineco.com>,
	Junio C Hamano <gitster@pobox.com>
Subject: [PATCH v3 06/10] t0027: make hash size independent
Date: Fri, 28 Jun 2019 22:59:24 +0000	[thread overview]
Message-ID: <20190628225928.622372-7-sandals@crustytoothpaste.net> (raw)
In-Reply-To: <20190628225928.622372-1-sandals@crustytoothpaste.net>

Several parts of this test generate files that have specific hard-coded
object IDs in them.  We don't really care about what the object ID in
question is, so we turn them all to zeros.

However, because some of these values are fixed and some are generated,
they can be of different lengths, which causes problems when running
with SHA-256.  Furthermore, some assertions in this test use only fixed
object IDs and some use both fixed and generated ones, so converting
only the expected results fixes some tests while breaking others.
Convert both actual and expected object IDs to the all-zeros object ID
of the appropriate length to ensure that the test passes when using
SHA-256.

The astute observer will notice that both tr and sed are used here.
Converting the tr call to a sed y/// command looks logical at first, but
it isn't possible because POSIX doesn't allow escapes in y/// commands
other than "\\" and "\n".

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
---
 t/t0027-auto-crlf.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
index 3587e454f1..959b6da449 100755
--- a/t/t0027-auto-crlf.sh
+++ b/t/t0027-auto-crlf.sh
@@ -15,8 +15,10 @@ compare_ws_file () {
 	pfx=$1
 	exp=$2.expect
 	act=$pfx.actual.$3
-	tr '\015\000abcdef0123456789' QN00000000000000000 <"$2" >"$exp" &&
-	tr '\015\000abcdef0123456789' QN00000000000000000 <"$3" >"$act" &&
+	tr '\015\000abcdef0123456789' QN00000000000000000 <"$2" |
+		sed -e "s/0000*/$ZERO_OID/" >"$exp" &&
+	tr '\015\000abcdef0123456789' QN00000000000000000 <"$3" |
+		sed -e "s/0000*/$ZERO_OID/" >"$act" &&
 	test_cmp "$exp" "$act" &&
 	rm "$exp" "$act"
 }

  parent reply	other threads:[~2019-06-28 22:59 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28 22:59 [PATCH v3 00/10] Hash-independent tests, part 4 brian m. carlson
2019-06-28 22:59 ` [PATCH v3 01/10] t: add helper to convert object IDs to paths brian m. carlson
2019-08-08  6:56   ` [PATCH bc/hash-independent-tests-part-4] t: decrease nesting in test_oid_to_path Jonathan Nieder
2019-08-08  9:37     ` Jeff King
2019-08-08 11:35       ` brian m. carlson
2019-08-08 12:58         ` SZEDER Gábor
2019-08-08 17:22       ` Junio C Hamano
2019-08-08 11:25     ` brian m. carlson
2019-06-28 22:59 ` [PATCH v3 02/10] t1410: make hash size independent brian m. carlson
2019-06-28 22:59 ` [PATCH v3 03/10] t1450: " brian m. carlson
2019-06-28 22:59 ` [PATCH v3 04/10] t5000: make hash independent brian m. carlson
2019-06-28 22:59 ` [PATCH v3 05/10] t6030: make test work with SHA-256 brian m. carlson
2019-06-28 22:59 ` brian m. carlson [this message]
2019-06-28 22:59 ` [PATCH v3 07/10] t0090: make test pass " brian m. carlson
2019-06-28 22:59 ` [PATCH v3 08/10] t1007: remove SHA1 prerequisites brian m. carlson
2019-06-28 22:59 ` [PATCH v3 09/10] t1710: make hash independent brian m. carlson
2019-06-28 22:59 ` [PATCH v3 10/10] t2203: avoid hard-coded object ID values brian m. carlson

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