[PATCH 13/13] t5317: pack-objects object filtering test

[Jeff Hostetler <git@jeffhostetler.com>]

From: Jeff Hostetler <jeffhost@microsoft.com>

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
---
 t/t5317-pack-objects-filter-objects.sh | 384 +++++++++++++++++++++++++++++++++
 1 file changed, 384 insertions(+)
 create mode 100755 t/t5317-pack-objects-filter-objects.sh

diff --git a/t/t5317-pack-objects-filter-objects.sh b/t/t5317-pack-objects-filter-objects.sh
new file mode 100755
index 0000000..ef7a8f6
--- /dev/null
+++ b/t/t5317-pack-objects-filter-objects.sh
@@ -0,0 +1,384 @@
+#!/bin/sh
+
+test_description='git pack-objects with object filtering for partial clone'
+
+. ./test-lib.sh
+
+# Test blob:none filter.
+
+test_expect_success 'setup r1' '
+	echo "{print \$1}" >print_1.awk &&
+	echo "{print \$2}" >print_2.awk &&
+
+	git init r1 &&
+	for n in 1 2 3 4 5
+	do
+		echo "This is file: $n" > r1/file.$n
+		git -C r1 add file.$n
+		git -C r1 commit -m "$n"
+	done
+'
+
+test_expect_success 'verify blob count in normal packfile' '
+	git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r1 pack-objects --rev --stdout >all.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r1 index-pack ../all.pack &&
+	git -C r1 verify-pack -v ../all.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify blob:none packfile has no blobs' '
+	git -C r1 pack-objects --rev --stdout --filter=blob:none >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r1 index-pack ../filter.pack &&
+	git -C r1 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	nr=$(wc -l <observed) &&
+	test 0 -eq $nr
+'
+
+test_expect_success 'verify normal and blob:none packfiles have same commits/trees' '
+	git -C r1 verify-pack -v ../all.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >expected &&
+	git -C r1 verify-pack -v ../filter.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+# Test blob:limit=<n>[kmg] filter.
+# We boundary test around the size parameter.  The filter is strictly less than
+# the value, so size 500 and 1000 should have the same results, but 1001 should
+# filter more.
+
+test_expect_success 'setup r2' '
+	git init r2 &&
+	for n in 1000 10000
+	do
+		printf "%"$n"s" X > r2/large.$n
+		git -C r2 add large.$n
+		git -C r2 commit -m "$n"
+	done
+'
+
+test_expect_success 'verify blob count in normal packfile' '
+	git -C r2 ls-files -s large.1000 large.10000 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r2 pack-objects --rev --stdout >all.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../all.pack &&
+	git -C r2 verify-pack -v ../all.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify blob:limit=500 omits all blobs' '
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=500 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	nr=$(wc -l <observed) &&
+	test 0 -eq $nr
+'
+
+test_expect_success 'verify blob:limit=1000' '
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=1000 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	nr=$(wc -l <observed) &&
+	test 0 -eq $nr
+'
+
+test_expect_success 'verify blob:limit=1001' '
+	git -C r2 ls-files -s large.1000 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=1001 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify blob:limit=10001' '
+	git -C r2 ls-files -s large.1000 large.10000 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=10001 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify blob:limit=1k' '
+	git -C r2 ls-files -s large.1000 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=1k >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify blob:limit=1m' '
+	git -C r2 ls-files -s large.1000 large.10000 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r2 pack-objects --rev --stdout --filter=blob:limit=1m >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r2 index-pack ../filter.pack &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify normal and blob:limit packfiles have same commits/trees' '
+	git -C r2 verify-pack -v ../all.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >expected &&
+	git -C r2 verify-pack -v ../filter.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+# Test sparse:path=<path> filter.
+# Use a local file containing a sparse-checkout specification to filter
+# out blobs not required for the corresponding sparse-checkout.  We do not
+# require sparse-checkout to actually be enabled.
+
+test_expect_success 'setup r3' '
+	git init r3 &&
+	mkdir r3/dir1 &&
+	for n in sparse1 sparse2
+	do
+		echo "This is file: $n" > r3/$n
+		git -C r3 add $n
+		echo "This is file: dir1/$n" > r3/dir1/$n
+		git -C r3 add dir1/$n
+	done &&
+	git -C r3 commit -m "sparse" &&
+	echo dir1/ >pattern1 &&
+	echo sparse1 >pattern2
+'
+
+test_expect_success 'verify blob count in normal packfile' '
+	git -C r3 ls-files -s sparse1 sparse2 dir1/sparse1 dir1/sparse2 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r3 pack-objects --rev --stdout >all.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r3 index-pack ../all.pack &&
+	git -C r3 verify-pack -v ../all.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify sparse:path=pattern1' '
+	git -C r3 ls-files -s dir1/sparse1 dir1/sparse2 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r3 pack-objects --rev --stdout --filter=sparse:path=../pattern1 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r3 index-pack ../filter.pack &&
+	git -C r3 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify normal and sparse:path=pattern1 packfiles have same commits/trees' '
+	git -C r3 verify-pack -v ../all.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >expected &&
+	git -C r3 verify-pack -v ../filter.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify sparse:path=pattern2' '
+	git -C r3 ls-files -s sparse1 dir1/sparse1 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r3 pack-objects --rev --stdout --filter=sparse:path=../pattern2 >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r3 index-pack ../filter.pack &&
+	git -C r3 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify normal and sparse:path=pattern2 packfiles have same commits/trees' '
+	git -C r3 verify-pack -v ../all.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >expected &&
+	git -C r3 verify-pack -v ../filter.pack \
+		| grep -E "commit|tree" \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+# Test sparse:oid=<oid-ish> filter.
+# Like sparse:path, but we get the sparse-checkout specification from
+# a blob rather than a file on disk.
+
+test_expect_success 'setup r4' '
+	git init r4 &&
+	mkdir r4/dir1 &&
+	for n in sparse1 sparse2
+	do
+		echo "This is file: $n" > r4/$n
+		git -C r4 add $n
+		echo "This is file: dir1/$n" > r4/dir1/$n
+		git -C r4 add dir1/$n
+	done &&
+	echo dir1/ >r4/pattern &&
+	git -C r4 add pattern &&
+	git -C r4 commit -m "pattern"
+'
+
+test_expect_success 'verify blob count in normal packfile' '
+	git -C r4 ls-files -s pattern sparse1 sparse2 dir1/sparse1 dir1/sparse2 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r4 pack-objects --rev --stdout >all.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r4 index-pack ../all.pack &&
+	git -C r4 verify-pack -v ../all.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify sparse:oid=OID' '
+	git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	oid=$(git -C r4 ls-files -s pattern | awk -f print_2.awk) &&
+	git -C r4 pack-objects --rev --stdout --filter=sparse:oid=$oid >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r4 index-pack ../filter.pack &&
+	git -C r4 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+test_expect_success 'verify sparse:oid=oid-ish' '
+	git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	git -C r4 pack-objects --rev --stdout --filter=sparse:oid=master:pattern >filter.pack <<-EOF &&
+	HEAD
+	EOF
+	git -C r4 index-pack ../filter.pack &&
+	git -C r4 verify-pack -v ../filter.pack \
+		| grep blob \
+		| awk -f print_1.awk \
+		| sort >observed &&
+	test_cmp observed expected
+'
+
+# Delete some loose objects and use pack-objects, but WITHOUT any filtering.
+# This models previously omitted objects that we did not receive.
+
+test_expect_success 'setup r1 - delete loose blobs' '
+	git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
+		| awk -f print_2.awk \
+		| sort >expected &&
+	for id in `cat expected | sed "s|..|&/|"`
+	do
+		rm r1/.git/objects/$id
+	done
+'
+
+test_expect_success 'verify pack-objects fails w/ missing objects' '
+	test_must_fail git -C r1 pack-objects --rev --stdout >miss.pack <<-EOF
+	HEAD
+	EOF
+'
+
+if ! test_have_prereq TODO; then
+	skip_all='TODO Allow pack-objects to work with missing objects'
+	test_done
+fi
+
+test_expect_success 'verify pack-objects w/ extension.partialcloneremote set succeeds' '
+	git -C r1 config --local core.repositoryformatversion 1 &&
+	git -C r1 config --local extensions.partialcloneremote "origin" &&
+	git -C r1 pack-objects --rev --stdout >miss.pack <<-EOF
+	HEAD
+	EOF
+'
+
+test_expect_success 'veify pack-objects w/ extension.partialclonefilter set succeeds' '
+	git -C r1 config --local core.repositoryformatversion 1 &&
+	git -C r1 config --local extensions.partialclonefilter "something" &&
+	git -C r1 pack-objects --rev --stdout >miss.pack <<-EOF
+	HEAD
+	EOF
+'
+
+test_done
-- 
2.9.3