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Diffstat (limited to 't/t5710-promisor-remote-capability.sh')
-rwxr-xr-x | t/t5710-promisor-remote-capability.sh | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/t/t5710-promisor-remote-capability.sh b/t/t5710-promisor-remote-capability.sh new file mode 100755 index 0000000000..cb061b1f35 --- /dev/null +++ b/t/t5710-promisor-remote-capability.sh @@ -0,0 +1,379 @@ +#!/bin/sh + +test_description='handling of promisor remote advertisement' + +. ./test-lib.sh + +if ! test_have_prereq PERL_TEST_HELPERS +then + skip_all='skipping promisor remote capabilities tests; Perl not available' + test_done +fi + +GIT_TEST_MULTI_PACK_INDEX=0 +GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL=0 + +# Setup the repository with three commits, this way HEAD is always +# available and we can hide commit 1 or 2. +test_expect_success 'setup: create "template" repository' ' + git init template && + test_commit -C template 1 && + test_commit -C template 2 && + test_commit -C template 3 && + test-tool genrandom foo 10240 >template/foo && + git -C template add foo && + git -C template commit -m foo +' + +# A bare repo will act as a server repo with unpacked objects. +test_expect_success 'setup: create bare "server" repository' ' + git clone --bare --no-local template server && + mv server/objects/pack/pack-* . && + packfile=$(ls pack-*.pack) && + git -C server unpack-objects --strict <"$packfile" +' + +check_missing_objects () { + git -C "$1" rev-list --objects --all --missing=print > all.txt && + perl -ne 'print if s/^[?]//' all.txt >missing.txt && + test_line_count = "$2" missing.txt && + if test "$2" -lt 2 + then + test "$3" = "$(cat missing.txt)" + else + test -f "$3" && + sort <"$3" >expected_sorted && + sort <missing.txt >actual_sorted && + test_cmp expected_sorted actual_sorted + fi +} + +initialize_server () { + count="$1" + missing_oids="$2" + + # Repack everything first + git -C server -c repack.writebitmaps=false repack -a -d && + + # Remove promisor file in case they exist, useful when reinitializing + rm -rf server/objects/pack/*.promisor && + + # Repack without the largest object and create a promisor pack on server + git -C server -c repack.writebitmaps=false repack -a -d \ + --filter=blob:limit=5k --filter-to="$(pwd)/pack" && + promisor_file=$(ls server/objects/pack/*.pack | sed "s/\.pack/.promisor/") && + >"$promisor_file" && + + # Check objects missing on the server + check_missing_objects server "$count" "$missing_oids" +} + +copy_to_lop () { + oid_path="$(test_oid_to_path $1)" && + path="server/objects/$oid_path" && + path2="lop/objects/$oid_path" && + mkdir -p $(dirname "$path2") && + cp "$path" "$path2" +} + +test_expect_success "setup for testing promisor remote advertisement" ' + # Create another bare repo called "lop" (for Large Object Promisor) + git init --bare lop && + + # Copy the largest object from server to lop + obj="HEAD:foo" && + oid="$(git -C server rev-parse $obj)" && + copy_to_lop "$oid" && + + initialize_server 1 "$oid" && + + # Configure lop as promisor remote for server + git -C server remote add lop "file://$(pwd)/lop" && + git -C server config remote.lop.promisor true && + + git -C lop config uploadpack.allowFilter true && + git -C lop config uploadpack.allowAnySHA1InWant true && + git -C server config uploadpack.allowFilter true && + git -C server config uploadpack.allowAnySHA1InWant true +' + +test_expect_success "clone with promisor.advertise set to 'true'" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=All \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with promisor.advertise set to 'false'" ' + git -C server config promisor.advertise false && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=All \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is not missing on the server + check_missing_objects server 0 "" && + + # Reinitialize server so that the largest object is missing again + initialize_server 1 "$oid" +' + +test_expect_success "clone with promisor.acceptfromserver set to 'None'" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=None \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is not missing on the server + check_missing_objects server 0 "" && + + # Reinitialize server so that the largest object is missing again + initialize_server 1 "$oid" +' + +test_expect_success "init + fetch with promisor.advertise set to 'true'" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + mkdir client && + git -C client init && + git -C client config remote.lop.promisor true && + git -C client config remote.lop.fetch "+refs/heads/*:refs/remotes/lop/*" && + git -C client config remote.lop.url "file://$(pwd)/lop" && + git -C client config remote.server.url "file://$(pwd)/server" && + git -C client config remote.server.fetch "+refs/heads/*:refs/remotes/server/*" && + git -C client config promisor.acceptfromserver All && + GIT_NO_LAZY_FETCH=0 git -C client fetch --filter="blob:limit=5k" server && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with promisor.acceptfromserver set to 'KnownName'" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=KnownName \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with 'KnownName' and different remote names" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.serverTwo.promisor=true \ + -c remote.serverTwo.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.serverTwo.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=KnownName \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is not missing on the server + check_missing_objects server 0 "" && + + # Reinitialize server so that the largest object is missing again + initialize_server 1 "$oid" +' + +test_expect_success "clone with 'KnownName' and missing URL in the config" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + # Lazy fetching by the client from the LOP will fail because of the + # missing URL in the client config, so the server will have to lazy + # fetch from the LOP. + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c promisor.acceptfromserver=KnownName \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is not missing on the server + check_missing_objects server 0 "" && + + # Reinitialize server so that the largest object is missing again + initialize_server 1 "$oid" +' + +test_expect_success "clone with promisor.acceptfromserver set to 'KnownUrl'" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=KnownUrl \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with 'KnownUrl' and different remote urls" ' + ln -s lop serverTwo && + + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/serverTwo" \ + -c promisor.acceptfromserver=KnownUrl \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is not missing on the server + check_missing_objects server 0 "" && + + # Reinitialize server so that the largest object is missing again + initialize_server 1 "$oid" +' + +test_expect_success "clone with 'KnownUrl' and url not configured on the server" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + test_when_finished "git -C server config set remote.lop.url \"file://$(pwd)/lop\"" && + git -C server config unset remote.lop.url && + + # Clone from server to create a client + # It should fail because the client will reject the LOP as URLs are + # different, and the server cannot lazy fetch as the LOP URL is + # missing, so the remote name will be used instead which will fail. + test_must_fail env GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=KnownUrl \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with 'KnownUrl' and empty url, so not advertised" ' + git -C server config promisor.advertise true && + test_when_finished "rm -rf client" && + + test_when_finished "git -C server config set remote.lop.url \"file://$(pwd)/lop\"" && + git -C server config set remote.lop.url "" && + + # Clone from server to create a client + # It should fail because the client will reject the LOP as an empty URL is + # not advertised, and the server cannot lazy fetch as the LOP URL is empty, + # so the remote name will be used instead which will fail. + test_must_fail env GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=KnownUrl \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "clone with promisor.advertise set to 'true' but don't delete the client" ' + git -C server config promisor.advertise true && + + # Clone from server to create a client + GIT_NO_LAZY_FETCH=0 git clone -c remote.lop.promisor=true \ + -c remote.lop.fetch="+refs/heads/*:refs/remotes/lop/*" \ + -c remote.lop.url="file://$(pwd)/lop" \ + -c promisor.acceptfromserver=All \ + --no-local --filter="blob:limit=5k" server client && + + # Check that the largest object is still missing on the server + check_missing_objects server 1 "$oid" +' + +test_expect_success "setup for subsequent fetches" ' + # Generate new commit with large blob + test-tool genrandom bar 10240 >template/bar && + git -C template add bar && + git -C template commit -m bar && + + # Fetch new commit with large blob + git -C server fetch origin && + git -C server update-ref HEAD FETCH_HEAD && + git -C server rev-parse HEAD >expected_head && + + # Repack everything twice and remove .promisor files before + # each repack. This makes sure everything gets repacked + # into a single packfile. The second repack is necessary + # because the first one fetches from lop and creates a new + # packfile and its associated .promisor file. + + rm -f server/objects/pack/*.promisor && + git -C server -c repack.writebitmaps=false repack -a -d && + rm -f server/objects/pack/*.promisor && + git -C server -c repack.writebitmaps=false repack -a -d && + + # Unpack everything + rm pack-* && + mv server/objects/pack/pack-* . && + packfile=$(ls pack-*.pack) && + git -C server unpack-objects --strict <"$packfile" && + + # Copy new large object to lop + obj_bar="HEAD:bar" && + oid_bar="$(git -C server rev-parse $obj_bar)" && + copy_to_lop "$oid_bar" && + + # Reinitialize server so that the 2 largest objects are missing + printf "%s\n" "$oid" "$oid_bar" >expected_missing.txt && + initialize_server 2 expected_missing.txt && + + # Create one more client + cp -r client client2 +' + +test_expect_success "subsequent fetch from a client when promisor.advertise is true" ' + git -C server config promisor.advertise true && + + GIT_NO_LAZY_FETCH=0 git -C client pull origin && + + git -C client rev-parse HEAD >actual && + test_cmp expected_head actual && + + cat client/bar >/dev/null && + + check_missing_objects server 2 expected_missing.txt +' + +test_expect_success "subsequent fetch from a client when promisor.advertise is false" ' + git -C server config promisor.advertise false && + + GIT_NO_LAZY_FETCH=0 git -C client2 pull origin && + + git -C client2 rev-parse HEAD >actual && + test_cmp expected_head actual && + + cat client2/bar >/dev/null && + + check_missing_objects server 1 "$oid" +' + +test_done |