[PATCH v7 1/6] t5323: test cases for git-pack-redundant
- From
Jiang Xin <worldhello.net@gmail.com>
- Date
- Jan 30, 2019, 11:47 UTC
- Message-ID
- <20190130114736.30357-2-worldhello.net@gmail.com>
- In-Reply-To
- <20190112091754.30985-1-worldhello.net@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> Signed-off-by: Junio C Hamano <gitster@pobox.com> --- t/t5323-pack-redundant.sh | 322 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 322 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..710fe9884c --- /dev/null +++ b/t/t5323-pack-redundant.sh @@ -0,0 +1,322 @@ +#!/bin/sh +# +# Copyright (c) 2018 Jiang Xin +# + +test_description='git pack-redundant test' + +. ./test-lib.sh + +create_commits () { + parent= + for name in A B C D E F G H I J K L M N O P Q R + do + test_tick && + T=$(git write-tree) && + if test -z "$parent" + then + oid=$(echo $name | git commit-tree $T) + else + oid=$(echo $name | git commit-tree -p $parent $T) + fi && + eval $name=$oid && + parent=$oid || + return 1 + done + git update-ref refs/heads/master $R +} + +create_pack_1 () { + P1=$(git -C objects/pack pack-objects -q pack <<-EOF + $T + $A + $B + $C + $D + $E + $F + $R + EOF + ) && + eval P$P1=P1:$P1 +} + +create_pack_2 () { + P2=$(git -C objects/pack pack-objects -q pack <<-EOF + $B + $C + $D + $E + $G + $H + $I + EOF + ) && + eval P$P2=P2:$P2 +} + +create_pack_3 () { + P3=$(git -C objects/pack pack-objects -q pack <<-EOF + $F + $I + $J + $K + $L + $M + EOF + ) && + eval P$P3=P3:$P3 +} + +create_pack_4 () { + P4=$(git -C objects/pack pack-objects -q pack <<-EOF + $J + $K + $L + $M + $P + EOF + ) && + eval P$P4=P4:$P4 +} + +create_pack_5 () { + P5=$(git -C objects/pack pack-objects -q pack <<-EOF + $G + $H + $N + $O + EOF + ) && + eval P$P5=P5:$P5 +} + +create_pack_6 () { + P6=$(git -C objects/pack pack-objects -q pack <<-EOF + $N + $O + $Q + EOF + ) && + eval P$P6=P6:$P6 +} + +create_pack_7 () { + P7=$(git -C objects/pack pack-objects -q pack <<-EOF + $P + $Q + EOF + ) && + eval P$P7=P7:$P7 +} + +create_pack_8 () { + P8=$(git -C objects/pack pack-objects -q pack <<-EOF + $A + EOF + ) && + eval P$P8=P8:$P8 +} + +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.git' ' + git init --bare master.git && + cd master.git && + create_commits +' + +test_expect_success 'no redundant for pack 1, 2, 3' ' + create_pack_1 && create_pack_2 && create_pack_3 && + git pack-redundant --all >out && + test_must_be_empty out +' + +test_expect_success 'create pack 4, 5' ' + create_pack_4 && create_pack_5 +' + +cat >expected <<EOF +P2:$P2 +EOF + +test_expect_success 'one of pack-2/pack-3 is redundant' ' + git pack-redundant --all >out && + format_packfiles <out >actual && + test_cmp expected actual +' + +test_expect_success 'create pack 6, 7' ' + create_pack_6 && create_pack_7 +' + +# Only after calling create_pack_6, we can use $P6 variable. +cat >expected <<EOF +P2:$P2 +P4:$P4 +P6:$P6 +EOF + +test_expect_success 'pack 2, 4, and 6 are redundant' ' + git pack-redundant --all >out && + format_packfiles <out >actual && + test_cmp expected actual +' + +test_expect_success 'create pack 8' ' + create_pack_8 +' + +cat >expected <<EOF +P2:$P2 +P4:$P4 +P6:$P6 +P8:$P8 +EOF + +test_expect_success 'pack-8 (subset of pack-1) is also redundant' ' + git pack-redundant --all >out && + format_packfiles <out >actual && + test_cmp expected actual +' + +test_expect_success 'clean loose objects' ' + git prune-packed && + find objects -type f | sed -e "/objects\/pack\//d" >out && + test_must_be_empty out +' + +test_expect_success 'remove redundant packs and pass fsck' ' + git pack-redundant --all | xargs rm && + git fsck --no-progress && + git pack-redundant --all >out && + test_must_be_empty out +' + +test_expect_success 'setup shared.git' ' + cd "$TRASH_DIRECTORY" && + git clone -q --mirror master.git shared.git && + cd shared.git && + printf "../../master.git/objects" >objects/info/alternates +' + +test_expect_success 'no redundant packs without --alt-odb' ' + git pack-redundant --all >out && + test_must_be_empty out +' + +cat >expected <<EOF +P1:$P1 +P3:$P3 +P5:$P5 +P7:$P7 +EOF + +test_expect_success 'pack-redundant --verbose: show duplicate packs in stderr' ' + git pack-redundant --all --verbose >out 2>out.err && + test_must_be_empty out && + grep "pack$" out.err | format_packfiles >actual && + test_cmp expected actual +' + +cat >expected <<EOF +fatal: Zero packs found! +EOF + +test_expect_success 'remove redundant packs by alt-odb, no packs left' ' + git pack-redundant --all --alt-odb | xargs rm && + git fsck --no-progress && + test_must_fail git pack-redundant --all --alt-odb >actual 2>&1 && + test_cmp expected actual +' + +create_commits_others () { + parent=$(git rev-parse HEAD) + for name in X Y Z + do + test_tick && + T=$(git write-tree) && + if test -z "$parent" + then + oid=$(echo $name | git commit-tree $T) + else + oid=$(echo $name | git commit-tree -p $parent $T) + fi && + eval $name=$oid && + parent=$oid || + return 1 + done + git update-ref refs/heads/master $Z +} + +create_pack_x1 () { + Px1=$(git -C objects/pack pack-objects -q pack <<-EOF + $X + $Y + $Z + $A + $B + $C + EOF + ) && + eval P${Px1}=Px1:${Px1} +} + +create_pack_x2 () { + Px2=$(git -C objects/pack pack-objects -q pack <<-EOF + $X + $Y + $Z + $D + $E + $F + EOF + ) && + eval P${Px2}=Px2:${Px2} +} + +test_expect_success 'new objects and packs in shared.git' ' + create_commits_others && + create_pack_x1 && + create_pack_x2 && + git pack-redundant --all >out && + test_must_be_empty out +' + +test_expect_success 'one pack is redundant' ' + git pack-redundant --all --alt-odb >out && + format_packfiles <out >actual && + test_line_count = 1 actual +' + +cat >expected <<EOF +Px1:$Px1 +Px2:$Px2 +EOF + +test_expect_success 'set ignore objects and all two packs are redundant' ' + git pack-redundant --all --alt-odb >out <<-EOF && + $X + $Y + $Z + EOF + format_packfiles <out >actual && + test_cmp expected actual +' + +test_done
-- 2.20.1.103.ged0fc2ca7b