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[RFC PATCH 02/15] Add tests for client handling in a sparse repository

From
Elijah Newren <newren@gmail.com>
Date
Sep 5, 2010, 00:13 UTC
Message-ID
<1283645647-1891-3-git-send-email-newren@gmail.com>
In-Reply-To
<1283645647-1891-1-git-send-email-newren@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
---
 t/sparse-lib.sh                     |   38 ++++++++++
 t/t5720-sparse-repository-basics.sh |  130 +++++++++++++++++++++++++++++++++++
 2 files changed, 168 insertions(+), 0 deletions(-)
 create mode 100644 t/sparse-lib.sh
 create mode 100755 t/t5720-sparse-repository-basics.sh
diff --git a/t/sparse-lib.sh b/t/sparse-lib.sh
new file mode 100644
index 0000000..0b779c6
--- /dev/null
+++ b/t/sparse-lib.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+make_sparse() {
+	# We only want loose objects
+	mv .git/objects/pack/* . &&
+	for i in $(ls *.pack); do
+		git unpack-objects -q < $i
+	done &&
+	rm -f *.pack *.idx &&
+
+	cd .git/objects &&
+
+	# Find the objects need for the specified paths
+	for i in $(git rev-list master); do
+		echo $i;
+		git rev-parse $i^{tree};
+		git ls-tree -rt $i -- "$@" | awk '{print $3}';
+	done | sort | uniq > ../wanted &&
+
+	# Find all other objects and delete them
+	find . -type f | sed -e s#[\./]##g \
+		       | grep -v -F "$(cat ../wanted)" > ../bad &&
+	for i in $(cat ../bad); do
+		rm -f ./${i:0:2}/${i:2};
+	done &&
+
+	# Record the sparse limits
+	cd .. &&
+	echo -n "'--'" > sparse-limits &&
+	for i in "$@"; do
+		echo -n " '$i'" >> sparse-limits
+	done &&
+	echo >> sparse-limits &&
+
+	# Trim the index while we're at it
+	cd .. &&
+	git reset --hard HEAD
+}
diff --git a/t/t5720-sparse-repository-basics.sh b/t/t5720-sparse-repository-basics.sh
new file mode 100755
index 0000000..b8e9a3a
--- /dev/null
+++ b/t/t5720-sparse-repository-basics.sh
@@ -0,0 +1,130 @@
+#!/bin/sh
+
+test_description='sparse repository basics'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/sparse-lib.sh
+
+test_expect_success 'setup' '
+	rm -fr .git &&
+	test_create_repo src &&
+	(
+		cd src &&
+
+		mkdir -p sub/{a,b} &&
+		> sub/a/file &&
+		git add sub/a/file &&
+		test_tick &&
+		git commit -q -m initial &&
+
+		> sub/b/file &&
+		git add sub/b/file &&
+		test_tick &&
+		git commit -q -m two &&
+
+		echo unique > sub/file &&
+		git add sub/file &&
+		test_tick &&
+		git commit -q -m three &&
+
+		echo content > sub/b/file &&
+		test_tick &&
+		git commit -q -m subbfile sub/b/file &&
+
+		cp -a sub/b sub/bcopy &&
+		git add sub/bcopy &&
+		test_tick &&
+		git commit -q -m subbcopy &&
+
+		echo stuff > sub/a/file &&
+		test_tick &&
+		git commit -q -m subafile sub/a/file
+	)
+'
+
+test_expect_failure 'make sparse repository' '
+	git clone -q "file://$(pwd)/src" dst &&
+	(
+		cd dst &&
+		test 25 = "$(git rev-list --objects master | wc -l)" &&
+		make_sparse sub/b/file &&
+		test 0 = $(find .git/objects/pack -type f | wc -l) &&
+		test 22 = $(find .git/objects -type f | wc -l)
+	)
+'
+
+cd dst 2>/dev/null || test_done
+srcgit="--git-dir=../src/.git"
+
+test_expect_failure 'plumbing: ls-files works' '
+	git ls-files > output &&
+	test "sub/b/file" = "$(cat output)"
+'
+
+test_expect_failure 'plumbing: rev-list works' '
+	test "$(git rev-list HEAD)" = \
+	     "$(git $srcgit rev-list HEAD -- sub/b/)" &&
+	test "$(git rev-list --objects HEAD)" = \
+	     "$(git $srcgit rev-list --objects HEAD -- sub/b/)"
+'
+
+for i in $(git $srcgit rev-list HEAD | xargs git name-rev | cut -b 42-); do
+	git $srcgit rev-parse $i:sub/b/file >/dev/null 2>&1 &&
+	test_expect_success "plumbing: We can access $i:sub/b/file" "
+		git cat-file -t $i:sub/b/file
+	"
+done
+
+final_afile_sha=$(git $srcgit rev-parse master:sub/a/file)
+known_objects=$(git $srcgit rev-list --objects master \
+		| grep sub                            \
+		| grep -v $final_afile_sha            \
+		| cut -b -40)
+for i in $(git $srcgit rev-list HEAD | xargs git name-rev | cut -b 42-); do
+	git $srcgit ls-tree -rt $i | grep -F "$known_objects" >expect &&
+	test_expect_failure "plumbing: ls-tree -rt $i works" "
+		git ls-tree -rt $i 2>error >output &&
+		test_cmp output expect
+	"
+done
+
+test_expect_failure 'basic: log works' '
+	git log > /dev/null &&
+	git log -p > /dev/null &&
+	git log -Scontent > /dev/null
+'
+
+test_expect_failure 'basic: diff works' '
+	git diff master~3 master &&
+	git diff master~3
+'
+
+test_expect_failure 'basic: checkout works' '
+	git checkout master~2 &&
+	git checkout master
+'
+
+test_expect_failure 'basic: status works with modified stuff' '
+	git status &&
+	echo more content >> sub/b/file &&
+	echo newfile content >> sub/b/whatever &&
+	git status
+'
+
+test_expect_failure 'basic: add works' '
+	git add sub/b/file &&
+	git add sub/b/whatever
+'
+
+test_expect_failure 'basic: commit works' '
+	git commit -m "Commit in a sparse clone" &&
+	git rev-parse master^{tree} &&
+	git rev-parse master:sub &&
+	git rev-parse master:sub/b &&
+	git rev-parse master:sub/b/file &&
+	git rev-parse master:sub/bcopy &&
+	git rev-parse master:sub/bcopy/file &&
+	git rev-parse master:sub/a &&
+	git rev-parse master:sub/file
+'
+
+test_done
-- 
1.7.2.2.140.gd06af
Previous: Nguyen Thai Ngoc DuyNext: Elijah Newren
Message 6 of 41 in “Sparse clones”
  1. 00/15 Sparse clonesElijah Newren, Sep 5, 2010
  2. 01/15 README-sparse-clone: Add a basic writeup of my ideas for sparse clonesElijah Newren, Sep 5, 2010
  3. Nguyen Thai Ngoc DuySep 5, 2010
  4. Elijah NewrenSep 5, 2010
  5. Nguyen Thai Ngoc DuySep 6, 2010
  6. 02/15 Add tests for client handling in a sparse repositoryElijah Newren, Sep 5, 2010
  7. 03/15 Read sparse limiting args from $GIT_DIR/sparse-limitElijah Newren, Sep 5, 2010
  8. 04/15 When unpacking in a sparse repository, avoid traversing missing trees/blobsElijah Newren, Sep 5, 2010
  9. 05/15 read_tree_recursive: Avoid missing blobs and trees in a sparse repositoryElijah Newren, Sep 5, 2010
  10. Nguyen Thai Ngoc DuySep 5, 2010
  11. Elijah NewrenSep 5, 2010
  12. Elijah NewrenSep 5, 2010
  13. 06/15 Automatically reuse sparse limiting arguments in revision walkingElijah Newren, Sep 5, 2010
  14. Nguyen Thai Ngoc DuySep 5, 2010
  15. Elijah NewrenSep 5, 2010
  16. Nguyen Thai Ngoc DuySep 5, 2010
  17. 07/15 cache_tree_update(): Capability to handle tree entries missing from indexElijah Newren, Sep 5, 2010
  18. Nguyen Thai Ngoc DuySep 5, 2010
  19. Elijah NewrenSep 5, 2010
  20. Elijah NewrenSep 6, 2010
  21. Nguyen Thai Ngoc DuySep 6, 2010
  22. 0/4 en/object-list-with-pathspec updateNguyễn Thái Ngọc Duy, Sep 6, 2010
  23. 1/4 Add testcases showing how pathspecs are ignored with rev-list --objectsNguyễn Thái Ngọc Duy, Sep 6, 2010
  24. 2/4 tree-walk: copy tree_entry_interesting() as is from tree-diff.cNguyễn Thái Ngọc Duy, Sep 6, 2010
  25. Elijah NewrenSep 6, 2010
  26. Nguyen Thai Ngoc DuySep 6, 2010
  27. 3/4 tree-walk: actually move tree_entry_interesting() to tree-walk.cNguyễn Thái Ngọc Duy, Sep 6, 2010
  28. Elijah NewrenSep 6, 2010
  29. Nguyen Thai Ngoc DuySep 6, 2010
  30. Junio C HamanoSep 6, 2010
  31. 4/4 Make rev-list --objects work together with pathspecsNguyễn Thái Ngọc Duy, Sep 6, 2010
  32. Nguyen Thai Ngoc DuySep 7, 2010
  33. Elijah NewrenSep 7, 2010
  34. 08/15 cache_tree_update(): Require relevant tree to be passedElijah Newren, Sep 5, 2010
  35. 09/15 Add tests for communication dealing with sparse repositoriesElijah Newren, Sep 5, 2010
  36. 10/15 sparse-repo: Provide a function to record sparse limiting argumentsElijah Newren, Sep 5, 2010
  37. 11/15 builtin-clone: Accept paths for sparse cloneElijah Newren, Sep 5, 2010
  38. 12/15 Pass extra (rev-list) args on, at least in some casesElijah Newren, Sep 5, 2010
  39. 13/15 upload-pack: Handle extra rev-list arguments being passedElijah Newren, Sep 5, 2010
  40. 14/15 EVIL COMMIT: Include all commitsElijah Newren, Sep 5, 2010
  41. 15/15 clone: Ensure sparse limiting arguments are used in subsequent operationsElijah Newren, Sep 5, 2010

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