From: Jiang Xin <worldhello.net@gmail.com>
To: Junio C Hamano <gitster@pobox.com>,
Git List <git@vger.kernel.org>, Sun Chao <sunchao9@huawei.com>
Cc: "Jiang Xin" <zhiyou.jx@alibaba-inc.com>,
"Jiang Xin" <worldhello.net@gmail.com>,
"Sun Chao" <16657101987@163.com>,
"SZEDER Gábor" <szeder.dev@gmail.com>,
"Eric Sunshine" <sunshine@sunshineco.com>
Subject: [PATCH v10 1/6] t5323: test cases for git-pack-redundant
Date: Sat, 2 Feb 2019 21:30:12 +0800 [thread overview]
Message-ID: <20190202133017.1039-2-worldhello.net@gmail.com> (raw)
In-Reply-To: <CAPig+cQh5TDKVaDi0gg9LZTo1Og_Qw6S2sH9cPABR9q05gEUfg@mail.gmail.com>
From: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Add test cases for git pack-redundant to validate new algorithm for git
pack-redundant.
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Reviewed-by: SZEDER Gábor <szeder.dev@gmail.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Sun Chao <sunchao9@huawei.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
t/t5323-pack-redundant.sh | 467 ++++++++++++++++++++++++++++++++++++++
1 file changed, 467 insertions(+)
create mode 100755 t/t5323-pack-redundant.sh
diff --git a/t/t5323-pack-redundant.sh b/t/t5323-pack-redundant.sh
new file mode 100755
index 0000000000..f18db06d91
--- /dev/null
+++ b/t/t5323-pack-redundant.sh
@@ -0,0 +1,467 @@
+#!/bin/sh
+#
+# Copyright (c) 2018 Jiang Xin
+#
+
+test_description='Test git pack-redundant
+
+In order to test git-pack-redundant, we will create a number of objects and
+packs in the repository `master.git`. The relationship between packs (P1-P8)
+and objects (T, A-R) is showed in the following chart. Objects of a pack will
+be marked with letter x, while objects of redundant packs will be marked with
+exclamation point, and redundant pack itself will be marked with asterisk.
+
+ | T A B C D E F G H I J K L M N O P Q R
+ ----+--------------------------------------
+ P1 | x x x x x x x x
+ P2* | ! ! ! ! ! ! !
+ P3 | x x x x x x
+ P4* | ! ! ! ! !
+ P5 | x x x x
+ P6* | ! ! !
+ P7 | x x
+ P8* | !
+ ----+--------------------------------------
+ ALL | x x x x x x x x x x x x x x x x x x x
+
+Another repository `shared.git` has unique objects (X-Z), while other objects
+(marked with letter s) are shared through alt-odb (of `master.git`). The
+relationship between packs and objects is as follows:
+
+ | T A B C D E F G H I J K L M N O P Q R X Y Z
+ ----+----------------------------------------------
+ Px1 | s s s x x x
+ Px2 | s s s x x x
+'
+
+. ./test-lib.sh
+
+master_repo=master.git
+shared_repo=shared.git
+
+# Create commits in <repo> and assign each commit's oid to shell variables
+# given in the arguments (A, B, and C). E.g.:
+#
+# create_commits_in <repo> A B C
+#
+# NOTE: Avoid calling this function from a subshell since variable
+# assignments will disappear when subshell exits.
+create_commits_in () {
+ repo="$1" &&
+ if ! parent=$(git -C "$repo" rev-parse HEAD^{} 2>/dev/null)
+ then
+ parent=
+ fi &&
+ T=$(git -C "$repo" write-tree) &&
+ shift &&
+ while test $# -gt 0
+ do
+ name=$1 &&
+ test_tick &&
+ if test -z "$parent"
+ then
+ oid=$(echo $name | git -C "$repo" commit-tree $T)
+ else
+ oid=$(echo $name | git -C "$repo" commit-tree -p $parent $T)
+ fi &&
+ eval $name=$oid &&
+ parent=$oid &&
+ shift ||
+ return 1
+ done &&
+ git -C "$repo" update-ref refs/heads/master $oid
+}
+
+# Create pack in <repo> and assign pack id to variable given in the 2nd argument
+# (<name>). Commits in the pack will be read from stdin. E.g.:
+#
+# create_pack_in <repo> <name> <<-EOF
+# ...
+# EOF
+#
+# NOTE: commits from stdin should be given using heredoc, not using pipe, and
+# avoid calling this function from a subshell since variable assignments will
+# disappear when subshell exits.
+create_pack_in () {
+ repo="$1" &&
+ name="$2" &&
+ pack=$(git -C "$repo/objects/pack" pack-objects -q pack) &&
+ eval $name=$pack &&
+ eval P$pack=$name:$pack
+}
+
+format_packfiles () {
+ sed \
+ -e "s#.*/pack-\(.*\)\.idx#\1#" \
+ -e "s#.*/pack-\(.*\)\.pack#\1#" |
+ sort -u |
+ while read p
+ do
+ if test -z "$(eval echo \${P$p})"
+ then
+ echo $p
+ else
+ eval echo "\${P$p}"
+ fi
+ done |
+ sort
+}
+
+test_expect_success 'setup master repo' '
+ git init --bare "$master_repo" &&
+ create_commits_in "$master_repo" A B C D E F G H I J K L M N O P Q R
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# | T A B C D E F G H I J K L M N O P Q R
+# ----+--------------------------------------
+# P1 | x x x x x x x x
+# P2 | x x x x x x x
+# P3 | x x x x x x
+# ----+--------------------------------------
+# ALL | x x x x x x x x x x x x x x x
+#
+#############################################################################
+test_expect_success 'master: no redundant for pack 1, 2, 3' '
+ create_pack_in "$master_repo" P1 <<-EOF &&
+ $T
+ $A
+ $B
+ $C
+ $D
+ $E
+ $F
+ $R
+ EOF
+ create_pack_in "$master_repo" P2 <<-EOF &&
+ $B
+ $C
+ $D
+ $E
+ $G
+ $H
+ $I
+ EOF
+ create_pack_in "$master_repo" P3 <<-EOF &&
+ $F
+ $I
+ $J
+ $K
+ $L
+ $M
+ EOF
+ (
+ cd "$master_repo" &&
+ git pack-redundant --all >out &&
+ test_must_be_empty out
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# | T A B C D E F G H I J K L M N O P Q R
+# ----+--------------------------------------
+# P1 | x x x x x x x x
+# P2* | ! ! ! ! ! ! !
+# P3 | x x x x x x
+# P4 | x x x x x
+# P5 | x x x x
+# ----+--------------------------------------
+# ALL | x x x x x x x x x x x x x x x x x x
+#
+#############################################################################
+test_expect_success 'master: one of pack-2/pack-3 is redundant' '
+ create_pack_in "$master_repo" P4 <<-EOF &&
+ $J
+ $K
+ $L
+ $M
+ $P
+ EOF
+ create_pack_in "$master_repo" P5 <<-EOF &&
+ $G
+ $H
+ $N
+ $O
+ EOF
+ (
+ cd "$master_repo" &&
+ cat >expect <<-EOF &&
+ P2:$P2
+ EOF
+ git pack-redundant --all >out &&
+ format_packfiles <out >actual &&
+ test_cmp expect actual
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# | T A B C D E F G H I J K L M N O P Q R
+# ----+--------------------------------------
+# P1 | x x x x x x x x
+# P2* | ! ! ! ! ! ! !
+# P3 | x x x x x x
+# P4* | ! ! ! ! !
+# P5 | x x x x
+# P6* | ! ! !
+# P7 | x x
+# ----+--------------------------------------
+# ALL | x x x x x x x x x x x x x x x x x x x
+#
+#############################################################################
+test_expect_success 'master: pack 2, 4, and 6 are redundant' '
+ create_pack_in "$master_repo" P6 <<-EOF &&
+ $N
+ $O
+ $Q
+ EOF
+ create_pack_in "$master_repo" P7 <<-EOF &&
+ $P
+ $Q
+ EOF
+ (
+ cd "$master_repo" &&
+ cat >expect <<-EOF &&
+ P2:$P2
+ P4:$P4
+ P6:$P6
+ EOF
+ git pack-redundant --all >out &&
+ format_packfiles <out >actual &&
+ test_cmp expect actual
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# | T A B C D E F G H I J K L M N O P Q R
+# ----+--------------------------------------
+# P1 | x x x x x x x x
+# P2* | ! ! ! ! ! ! !
+# P3 | x x x x x x
+# P4* | ! ! ! ! !
+# P5 | x x x x
+# P6* | ! ! !
+# P7 | x x
+# P8* | !
+# ----+--------------------------------------
+# ALL | x x x x x x x x x x x x x x x x x x x
+#
+#############################################################################
+test_expect_success 'master: pack-8 (subset of pack-1) is also redundant' '
+ create_pack_in "$master_repo" P8 <<-EOF &&
+ $A
+ EOF
+ (
+ cd "$master_repo" &&
+ cat >expect <<-EOF &&
+ P2:$P2
+ P4:$P4
+ P6:$P6
+ P8:$P8
+ EOF
+ git pack-redundant --all >out &&
+ format_packfiles <out >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'master: clean loose objects' '
+ (
+ cd "$master_repo" &&
+ git prune-packed &&
+ find objects -type f | sed -e "/objects\/pack\//d" >out &&
+ test_must_be_empty out
+ )
+'
+
+test_expect_success 'master: remove redundant packs and pass fsck' '
+ (
+ cd "$master_repo" &&
+ git pack-redundant --all | xargs rm &&
+ git fsck &&
+ git pack-redundant --all >out &&
+ test_must_be_empty out
+ )
+'
+
+# The following test cases will execute inside `shared.git`, instead of
+# inside `master.git`.
+test_expect_success 'setup shared.git' '
+ git clone --mirror "$master_repo" "$shared_repo" &&
+ (
+ cd "$shared_repo" &&
+ printf "../../$master_repo/objects\n" >objects/info/alternates
+ )
+'
+
+test_expect_success 'shared: all packs are redundant, but no output without --alt-odb' '
+ (
+ cd "$shared_repo" &&
+ git pack-redundant --all >out &&
+ test_must_be_empty out
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# ================ master.git ===============
+# | T A B C D E F G H I J K L M N O P Q R <----------+
+# ----+-------------------------------------- |
+# P1 | x x x x x x x x |
+# P3 | x x x x x x |
+# P5 | x x x x |
+# P7 | x x |
+# ----+-------------------------------------- |
+# ALL | x x x x x x x x x x x x x x x x x x x |
+# |
+# |
+# ================ shared.git =============== |
+# | T A B C D E F G H I J K L M N O P Q R <objects/info/alternates>
+# ----+--------------------------------------
+# P1* | s s s s s s s s
+# P3* | s s s s s s
+# P5* | s s s s
+# P7* | s s
+# ----+--------------------------------------
+# ALL | x x x x x x x x x x x x x x x x x x x
+#
+#############################################################################
+test_expect_success 'shared: show redundant packs in stderr for verbose mode' '
+ (
+ cd "$shared_repo" &&
+ cat >expect <<-EOF &&
+ P1:$P1
+ P3:$P3
+ P5:$P5
+ P7:$P7
+ EOF
+ git pack-redundant --all --verbose >out 2>out.err &&
+ test_must_be_empty out &&
+ grep "pack$" out.err | format_packfiles >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'shared: remove redundant packs, no packs left' '
+ (
+ cd "$shared_repo" &&
+ cat >expect <<-EOF &&
+ fatal: Zero packs found!
+ EOF
+ git pack-redundant --all --alt-odb | xargs rm &&
+ git fsck &&
+ test_must_fail git pack-redundant --all --alt-odb >actual 2>&1 &&
+ test_cmp expect actual
+ )
+'
+
+test_expect_success 'shared: create new objects and packs' '
+ create_commits_in "$shared_repo" X Y Z &&
+ create_pack_in "$shared_repo" Px1 <<-EOF &&
+ $X
+ $Y
+ $Z
+ $A
+ $B
+ $C
+ EOF
+ create_pack_in "$shared_repo" Px2 <<-EOF
+ $X
+ $Y
+ $Z
+ $D
+ $E
+ $F
+ EOF
+'
+
+test_expect_success 'shared: no redundant without --alt-odb' '
+ (
+ cd "$shared_repo" &&
+ git pack-redundant --all >out &&
+ test_must_be_empty out
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# ================ master.git ===============
+# | T A B C D E F G H I J K L M N O P Q R <----------------+
+# ----+-------------------------------------- |
+# P1 | x x x x x x x x |
+# P3 | x x x x x x |
+# P5 | x x x x |
+# P7 | x x |
+# ----+-------------------------------------- |
+# ALL | x x x x x x x x x x x x x x x x x x x |
+# |
+# |
+# ================ shared.git ======================= |
+# | T A B C D E F G H I J K L M N O P Q R X Y Z <objects/info/alternates>
+# ----+----------------------------------------------
+# Px1 | s s s x x x
+# Px2*| s s s ! ! !
+# ----+----------------------------------------------
+# ALL | s s s s s s s s s s s s s s s s s s s x x x
+#
+#############################################################################
+test_expect_success 'shared: one pack is redundant with --alt-odb' '
+ (
+ cd "$shared_repo" &&
+ git pack-redundant --all --alt-odb >out &&
+ format_packfiles <out >actual &&
+ test_line_count = 1 actual
+ )
+'
+
+#############################################################################
+# Chart of packs and objects for this test case
+#
+# ================ master.git ===============
+# | T A B C D E F G H I J K L M N O P Q R <----------------+
+# ----+-------------------------------------- |
+# P1 | x x x x x x x x |
+# P3 | x x x x x x |
+# P5 | x x x x |
+# P7 | x x |
+# ----+-------------------------------------- |
+# ALL | x x x x x x x x x x x x x x x x x x x |
+# |
+# |
+# ================ shared.git ======================= |
+# | T A B C D E F G H I J K L M N O P Q R X Y Z <objects/info/alternates>
+# ----+----------------------------------------------
+# Px1*| s s s i i i
+# Px2*| s s s i i i
+# ----+----------------------------------------------
+# ALL | s s s s s s s s s s s s s s s s s s s i i i
+# (ignored objects, marked with i)
+#
+#############################################################################
+test_expect_success 'shared: ignore unique objects and all two packs are redundant' '
+ (
+ cd "$shared_repo" &&
+ cat >expect <<-EOF &&
+ Px1:$Px1
+ Px2:$Px2
+ EOF
+ git pack-redundant --all --alt-odb >out <<-EOF &&
+ $X
+ $Y
+ $Z
+ EOF
+ format_packfiles <out >actual &&
+ test_cmp expect actual
+ )
+'
+
+test_done
--
2.20.1.103.ged0fc2ca7b
next prev parent reply other threads:[~2019-02-02 13:30 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 9:58 [PATCH 1/2] pack-redundant: new algorithm to find min packs Jiang Xin
2018-12-18 9:58 ` [PATCH 2/2] pack-redundant: remove unused functions Jiang Xin
2018-12-19 12:14 ` [PATCH v2 0/3] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-02 4:34 ` [PATCH v3 " Jiang Xin
2019-01-02 4:34 ` [PATCH v3 1/3] t5323: test cases for git-pack-redundant Jiang Xin
2019-01-09 12:56 ` SZEDER Gábor
2019-01-09 16:47 ` SZEDER Gábor
2019-01-10 12:01 ` [PATCH v5 0/5] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-12 9:17 ` [PATCH v6 " Jiang Xin
2019-01-30 11:47 ` [PATCH v7 0/6] " Jiang Xin
2019-02-01 16:21 ` [PATCH v9 " Jiang Xin
2019-02-01 16:21 ` [PATCH v9 1/6] t5323: test cases for git-pack-redundant Jiang Xin
2019-02-01 19:42 ` Eric Sunshine
2019-02-01 21:03 ` Junio C Hamano
2019-02-01 21:49 ` Eric Sunshine
2019-02-02 13:30 ` [PATCH v10 0/6] pack-redundant: new algorithm to find min packs Jiang Xin
2019-02-02 13:30 ` Jiang Xin [this message]
2019-02-02 13:30 ` [PATCH v10 2/6] pack-redundant: delay creation of unique_objects Jiang Xin
2019-02-02 13:30 ` [PATCH v10 3/6] pack-redundant: delete redundant code Jiang Xin
2019-02-02 13:30 ` [PATCH v10 4/6] pack-redundant: new algorithm to find min packs Jiang Xin
2019-02-02 13:30 ` [PATCH v10 5/6] pack-redundant: rename pack_list.all_objects Jiang Xin
2019-02-02 13:30 ` [PATCH v10 6/6] pack-redundant: consistent sort method Jiang Xin
2019-02-01 16:21 ` [PATCH v9 2/6] pack-redundant: delay creation of unique_objects Jiang Xin
2019-02-01 16:21 ` [PATCH v9 3/6] pack-redundant: delete redundant code Jiang Xin
2019-02-01 16:21 ` [PATCH v9 4/6] pack-redundant: new algorithm to find min packs Jiang Xin
2019-02-01 16:21 ` [PATCH v9 5/6] pack-redundant: rename pack_list.all_objects Jiang Xin
2019-02-01 16:21 ` [PATCH v9 6/6] pack-redundant: consistent sort method Jiang Xin
2019-01-30 11:47 ` [PATCH v7 1/6] t5323: test cases for git-pack-redundant Jiang Xin
2019-01-31 21:44 ` Junio C Hamano
2019-02-01 5:44 ` Jiang Xin
2019-02-01 6:11 ` Eric Sunshine
2019-02-01 7:23 ` Jiang Xin
2019-02-01 7:25 ` Jiang Xin
2019-02-01 9:51 ` Jiang Xin
2019-01-30 11:47 ` [PATCH v7 2/6] pack-redundant: delay creation of unique_objects Jiang Xin
2019-01-30 11:47 ` [PATCH v7 3/6] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-31 19:30 ` Junio C Hamano
2019-02-01 9:55 ` Jiang Xin
2019-01-30 11:47 ` [PATCH v7 4/6] pack-redundant: remove unused functions Jiang Xin
2019-01-30 15:03 ` [PATCH v8 1/1] pack-redundant: delete redundant code 16657101987
2019-01-30 11:47 ` [PATCH v7 5/6] pack-redundant: rename pack_list.all_objects Jiang Xin
2019-01-30 11:47 ` [PATCH v7 6/6] pack-redundant: consistent sort method Jiang Xin
2019-01-12 9:17 ` [PATCH v6 1/5] t5323: test cases for git-pack-redundant Jiang Xin
2019-01-12 9:17 ` [PATCH v6 2/5] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-12 9:17 ` [PATCH v6 3/5] pack-redundant: remove unused functions Jiang Xin
2019-01-12 9:17 ` [PATCH v6 4/5] pack-redundant: rename pack_list.all_objects Jiang Xin
2019-01-12 9:17 ` [PATCH v6 5/5] pack-redundant: consistent sort method Jiang Xin
2019-01-10 12:01 ` [PATCH v5 1/5] t5323: test cases for git-pack-redundant Jiang Xin
2019-01-10 21:11 ` Junio C Hamano
2019-01-11 1:59 ` Jiang Xin
2019-01-11 18:00 ` Junio C Hamano
2019-01-10 12:01 ` [PATCH v5 2/5] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-11 1:19 ` SZEDER Gábor
2019-01-10 12:01 ` [PATCH v5 3/5] pack-redundant: rename pack_list.all_objects Jiang Xin
2019-01-10 12:01 ` [PATCH v5 4/5] pack-redundant: consistent sort method Jiang Xin
2019-01-10 20:05 ` SZEDER Gábor
2019-01-10 12:01 ` [PATCH v5 5/5] pack-redundant: remove unused functions Jiang Xin
2019-01-10 3:28 ` [PATCH v3 1/3] t5323: test cases for git-pack-redundant Jiang Xin
2019-01-10 7:11 ` Johannes Sixt
2019-01-10 11:57 ` SZEDER Gábor
2019-01-10 12:25 ` Torsten Bögershausen
2019-01-10 17:36 ` Junio C Hamano
2019-01-15 20:30 ` [PATCH/RFC v1 1/1] test-lint: sed -E (or -a, -l) are not portable tboegi
2019-01-15 21:09 ` Eric Sunshine
2019-01-16 11:24 ` Ævar Arnfjörð Bjarmason
2019-01-20 7:53 ` [PATCH/RFC v2 1/1] test-lint: Only use only sed [-n] [-e command] [-f command_file] tboegi
2019-01-22 19:47 ` Junio C Hamano
2019-01-22 20:00 ` Torsten Bögershausen
2019-01-22 21:15 ` Eric Sunshine
2019-01-23 6:35 ` Torsten Bögershausen
2019-01-23 17:54 ` Junio C Hamano
2019-01-25 19:12 ` Torsten Bögershausen
2019-01-27 22:34 ` Junio C Hamano
2019-01-02 4:34 ` [PATCH v3 2/3] pack-redundant: new algorithm to find min packs Jiang Xin
2019-01-02 4:34 ` [PATCH v3 3/3] pack-redundant: remove unused functions Jiang Xin
2019-01-08 16:40 ` [PATCH v4 0/1] " 16657101987
2019-01-08 19:30 ` Junio C Hamano
2019-01-09 0:29 ` 16657101987
2019-01-08 16:43 ` [PATCH v4 1/1] " 16657101987
2019-01-08 16:45 ` [PATCH v4 0/1] " 16657101987
2018-12-19 12:14 ` [PATCH v2 1/3] t5322: test cases for git-pack-redundant Jiang Xin
2018-12-19 12:14 ` [PATCH v2 2/3] pack-redundant: new algorithm to find min packs Jiang Xin
2018-12-19 12:14 ` [PATCH v2 3/3] pack-redundant: remove unused functions Jiang Xin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: http://vger.kernel.org/majordomo-info.html
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190202133017.1039-2-worldhello.net@gmail.com \
--to=worldhello.net@gmail.com \
--cc=16657101987@163.com \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=sunchao9@huawei.com \
--cc=sunshine@sunshineco.com \
--cc=szeder.dev@gmail.com \
--cc=zhiyou.jx@alibaba-inc.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://80x24.org/mirrors/git.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).