From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Herland Subject: [PATCHv5 04/14] Add an expensive test for git-notes Date: Tue, 08 Sep 2009 04:26:52 +0200 Message-ID: <1252376822-6138-5-git-send-email-johan@herland.net> References: <1252376822-6138-1-git-send-email-johan@herland.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN Content-Transfer-Encoding: 7BIT Cc: git@vger.kernel.org, johan@herland.net, Johannes.Schindelin@gmx.de, trast@student.ethz.ch, tavestbo@trolltech.com, git@drmicha.warpmail.net, chriscool@tuxfamily.org, spearce@spearce.org, Johannes Schindelin To: gitster@pobox.com X-From: git-owner@vger.kernel.org Tue Sep 08 04:27:32 2009 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1MkqQe-0005Zj-2q for gcvg-git-2@lo.gmane.org; Tue, 08 Sep 2009 04:27:32 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753401AbZIHC1X (ORCPT ); Mon, 7 Sep 2009 22:27:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753382AbZIHC1X (ORCPT ); Mon, 7 Sep 2009 22:27:23 -0400 Received: from smtp.getmail.no ([84.208.15.66]:34030 "EHLO get-mta-out02.get.basefarm.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753357AbZIHC1V (ORCPT ); Mon, 7 Sep 2009 22:27:21 -0400 Received: from mx.getmail.no ([10.5.16.4]) by get-mta-out02.get.basefarm.net (Sun Java(tm) System Messaging Server 7.0-0.04 64bit (built Jun 20 2008)) with ESMTP id <0KPM00CY6S5OLI90@get-mta-out02.get.basefarm.net> for git@vger.kernel.org; Tue, 08 Sep 2009 04:27:24 +0200 (MEST) Received: from localhost.localdomain ([84.215.102.95]) by get-mta-in03.get.basefarm.net (Sun Java(tm) System Messaging Server 7.0-0.04 64bit (built Jun 20 2008)) with ESMTP id <0KPM0072GS5GQN30@get-mta-in03.get.basefarm.net> for git@vger.kernel.org; Tue, 08 Sep 2009 04:27:24 +0200 (MEST) X-PMX-Version: 5.5.5.374460, Antispam-Engine: 2.7.1.369594, Antispam-Data: 2009.9.8.21525 X-Mailer: git-send-email 1.6.4.304.g1365c.dirty In-reply-to: <1252376822-6138-1-git-send-email-johan@herland.net> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: From: Johannes Schindelin git-notes have the potential of being pretty expensive, so test with a lot of commits. A lot. So to make things cheaper, you have to opt-in explicitely, by setting the environment variable GIT_NOTES_TIMING_TESTS. This patch has been improved by the following contributions: - Junio C Hamano: tests: fix "export var=val" Signed-off-by: Johannes Schindelin Signed-off-by: Johan Herland Signed-off-by: Junio C Hamano --- t/t3302-notes-index-expensive.sh | 98 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 98 insertions(+), 0 deletions(-) create mode 100755 t/t3302-notes-index-expensive.sh diff --git a/t/t3302-notes-index-expensive.sh b/t/t3302-notes-index-expensive.sh new file mode 100755 index 0000000..0ef3e95 --- /dev/null +++ b/t/t3302-notes-index-expensive.sh @@ -0,0 +1,98 @@ +#!/bin/sh +# +# Copyright (c) 2007 Johannes E. Schindelin +# + +test_description='Test commit notes index (expensive!)' + +. ./test-lib.sh + +test -z "$GIT_NOTES_TIMING_TESTS" && { + say Skipping timing tests + test_done + exit +} + +create_repo () { + number_of_commits=$1 + nr=0 + parent= + test -d .git || { + git init && + tree=$(git write-tree) && + while [ $nr -lt $number_of_commits ]; do + test_tick && + commit=$(echo $nr | git commit-tree $tree $parent) || + return + parent="-p $commit" + nr=$(($nr+1)) + done && + git update-ref refs/heads/master $commit && + { + GIT_INDEX_FILE=.git/temp; export GIT_INDEX_FILE; + git rev-list HEAD | cat -n | sed "s/^[ ][ ]*/ /g" | + while read nr sha1; do + blob=$(echo note $nr | git hash-object -w --stdin) && + echo $sha1 | sed "s/^/0644 $blob 0 /" + done | git update-index --index-info && + tree=$(git write-tree) && + test_tick && + commit=$(echo notes | git commit-tree $tree) && + git update-ref refs/notes/commits $commit + } && + git config core.notesRef refs/notes/commits + } +} + +test_notes () { + count=$1 && + git config core.notesRef refs/notes/commits && + git log | grep "^ " > output && + i=1 && + while [ $i -le $count ]; do + echo " $(($count-$i))" && + echo " note $i" && + i=$(($i+1)); + done > expect && + git diff expect output +} + +cat > time_notes << \EOF + mode=$1 + i=1 + while [ $i -lt $2 ]; do + case $1 in + no-notes) + GIT_NOTES_REF=non-existing; export GIT_NOTES_REF + ;; + notes) + unset GIT_NOTES_REF + ;; + esac + git log >/dev/null + i=$(($i+1)) + done +EOF + +time_notes () { + for mode in no-notes notes + do + echo $mode + /usr/bin/time sh ../time_notes $mode $1 + done +} + +for count in 10 100 1000 10000; do + + mkdir $count + (cd $count; + + test_expect_success "setup $count" "create_repo $count" + + test_expect_success 'notes work' "test_notes $count" + + test_expect_success 'notes timing' "time_notes 100" + ) +done + +test_done -- 1.6.4.304.g1365c.dirty