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Diffstat (limited to 't/t5310-pack-bitmaps.sh')
-rwxr-xr-x | t/t5310-pack-bitmaps.sh | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh new file mode 100755 index 0000000000..f4f02ba918 --- /dev/null +++ b/t/t5310-pack-bitmaps.sh @@ -0,0 +1,173 @@ +#!/bin/sh + +test_description='exercise basic bitmap functionality' +. ./test-lib.sh + +objpath () { + echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')" +} + +test_expect_success 'setup repo with moderate-sized history' ' + for i in $(test_seq 1 10); do + test_commit $i + done && + git checkout -b other HEAD~5 && + for i in $(test_seq 1 10); do + test_commit side-$i + done && + git checkout master && + blob=$(echo tagged-blob | git hash-object -w --stdin) && + git tag tagged-blob $blob && + git config pack.writebitmaps true && + git config pack.writebitmaphashcache true +' + +test_expect_success 'full repack creates bitmaps' ' + git repack -ad && + ls .git/objects/pack/ | grep bitmap >output && + test_line_count = 1 output +' + +test_expect_success 'rev-list --test-bitmap verifies bitmaps' ' + git rev-list --test-bitmap HEAD +' + +rev_list_tests() { + state=$1 + + test_expect_success "counting commits via bitmap ($state)" ' + git rev-list --count HEAD >expect && + git rev-list --use-bitmap-index --count HEAD >actual && + test_cmp expect actual + ' + + test_expect_success "counting partial commits via bitmap ($state)" ' + git rev-list --count HEAD~5..HEAD >expect && + git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual && + test_cmp expect actual + ' + + test_expect_success "counting non-linear history ($state)" ' + git rev-list --count other...master >expect && + git rev-list --use-bitmap-index --count other...master >actual && + test_cmp expect actual + ' + + test_expect_success "enumerate --objects ($state)" ' + git rev-list --objects --use-bitmap-index HEAD >tmp && + cut -d" " -f1 <tmp >tmp2 && + sort <tmp2 >actual && + git rev-list --objects HEAD >tmp && + cut -d" " -f1 <tmp >tmp2 && + sort <tmp2 >expect && + test_cmp expect actual + ' + + test_expect_success "bitmap --objects handles non-commit objects ($state)" ' + git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual && + grep $blob actual + ' +} + +rev_list_tests 'full bitmap' + +test_expect_success 'clone from bitmapped repository' ' + git clone --no-local --bare . clone.git && + git rev-parse HEAD >expect && + git --git-dir=clone.git rev-parse HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'setup further non-bitmapped commits' ' + for i in $(test_seq 1 10); do + test_commit further-$i + done +' + +rev_list_tests 'partial bitmap' + +test_expect_success 'fetch (partial bitmap)' ' + git --git-dir=clone.git fetch origin master:master && + git rev-parse HEAD >expect && + git --git-dir=clone.git rev-parse HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'incremental repack cannot create bitmaps' ' + test_commit more-1 && + find .git/objects/pack -name "*.bitmap" >expect && + git repack -d && + find .git/objects/pack -name "*.bitmap" >actual && + test_cmp expect actual +' + +test_expect_success 'incremental repack can disable bitmaps' ' + test_commit more-2 && + git repack -d --no-write-bitmap-index +' + +test_expect_success 'full repack, reusing previous bitmaps' ' + git repack -ad && + ls .git/objects/pack/ | grep bitmap >output && + test_line_count = 1 output +' + +test_expect_success 'fetch (full bitmap)' ' + git --git-dir=clone.git fetch origin master:master && + git rev-parse HEAD >expect && + git --git-dir=clone.git rev-parse HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'create objects for missing-HAVE tests' ' + blob=$(echo "missing have" | git hash-object -w --stdin) && + tree=$(printf "100644 blob $blob\tfile\n" | git mktree) && + parent=$(echo parent | git commit-tree $tree) && + commit=$(echo commit | git commit-tree $tree -p $parent) && + cat >revs <<-EOF + HEAD + ^HEAD^ + ^$commit + EOF +' + +test_expect_success 'pack with missing blob' ' + rm $(objpath $blob) && + git pack-objects --stdout --revs <revs >/dev/null +' + +test_expect_success 'pack with missing tree' ' + rm $(objpath $tree) && + git pack-objects --stdout --revs <revs >/dev/null +' + +test_expect_success 'pack with missing parent' ' + rm $(objpath $parent) && + git pack-objects --stdout --revs <revs >/dev/null +' + +test_lazy_prereq JGIT ' + type jgit +' + +test_expect_success JGIT 'we can read jgit bitmaps' ' + git clone . compat-jgit && + ( + cd compat-jgit && + rm -f .git/objects/pack/*.bitmap && + jgit gc && + git rev-list --test-bitmap HEAD + ) +' + +test_expect_success JGIT 'jgit can read our bitmaps' ' + git clone . compat-us && + ( + cd compat-us && + git repack -adb && + # jgit gc will barf if it does not like our bitmaps + jgit gc + ) +' + +test_done |